dnl Process this file with autoconf to produce a configure script. -*-m4-*- dnl %CopyrightBegin% dnl dnl Copyright Ericsson AB 1997-2012. All Rights Reserved. dnl dnl The contents of this file are subject to the Erlang Public License, dnl Version 1.1, (the "License"); you may not use this file except in dnl compliance with the License. You should have received a copy of the dnl Erlang Public License along with this software. If not, it can be dnl retrieved online at http://www.erlang.org/. dnl dnl Software distributed under the License is distributed on an "AS IS" dnl basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See dnl the License for the specific language governing rights and limitations dnl under the License. dnl dnl %CopyrightEnd% dnl The string "FIXME convbreak" means that there is a break of dnl autoconf convention that should be cleaned up. AC_INIT(vsn.mk) AC_PREREQ(2.59) LM_PRECIOUS_VARS if test "x$no_recursion" != "xyes" -a "x$OVERRIDE_CONFIG_CACHE" = "x"; then # We do not want to use a common cache! cache_file=/dev/null fi dnl How to set srcdir absolute is taken from the GNU Emacs distribution #### Make srcdir absolute, if it isn't already. It's important to #### avoid running the path through pwd unnecessary, since pwd can #### give you automounter prefixes, which can go away. case "${srcdir}" in /* ) ;; . ) ## We may be able to use the $PWD environment variable to make this ## absolute. But sometimes PWD is inaccurate. ## Make sure CDPATH doesn't affect cd (in case PWD is relative). CDPATH= if test "${PWD}" != "" && test "`(cd ${PWD} ; sh -c pwd)`" = "`pwd`" ; then srcdir="$PWD" else srcdir="`(cd ${srcdir}; pwd)`" fi ;; * ) srcdir="`(cd ${srcdir}; pwd)`" ;; esac ## Now, make sure that ERL_TOP is set and is the same as srcdir ## if test -z "$ERL_TOP" || test ! -d $ERL_TOP ; then AC_MSG_ERROR(You need to set the environment variable ERL_TOP!) fi if test x"${ERL_TOP}/erts" != x"$srcdir"; then AC_MSG_ERROR([You need to run configure with argument --srcdir=${ERL_TOP}/erts]) fi erl_top=${ERL_TOP} # Remove old configuration information /bin/rm -f "$ERL_TOP/erts/CONF_INFO" # echo XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX # echo X # echo "X srcdir = $srcdir" # echo "X ERL_TOP = $ERL_TOP" # echo X # echo XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX AC_CONFIG_AUX_DIRS($srcdir/autoconf) dnl ---------------------------------------------------------------------- dnl Figure out what system we are running on. dnl ---------------------------------------------------------------------- # # To configure for free source run ./configure --host=free_source # dnl dnl AC_CANONICAL_HOST does not like free_source as a host specification, dnl so we make a little special case. dnl if test "X$host" != "Xfree_source" -a "X$host" != "Xwin32"; then AC_CANONICAL_HOST else host_os=$host fi if test "$cross_compiling" = "yes"; then CROSS_COMPILING=yes else CROSS_COMPILING=no fi AC_SUBST(CROSS_COMPILING) ERL_XCOMP_SYSROOT_INIT AC_ISC_POSIX AC_CONFIG_HEADER($host/config.h:config.h.in include/internal/$host/ethread_header_config.h:include/internal/ethread_header_config.h.in include/$host/erl_int_sizes_config.h:include/erl_int_sizes_config.h.in) dnl ---------------------------------------------------------------------- dnl Optional features. dnl ---------------------------------------------------------------------- enable_child_waiter_thread=no ENABLE_ALLOC_TYPE_VARS= AC_SUBST(ENABLE_ALLOC_TYPE_VARS) AC_ARG_ENABLE(bootstrap-only, AS_HELP_STRING([--enable-bootstrap-only], [enable bootstrap only configuration]), [ if test "X$enableval" = "Xyes"; then # Disable stuff not necessary in a bootstrap only system in order # to speed up things by reducing the amount of stuff needing to be # built... enable_threads=no enable_smp_support=no with_termcap=no with_ssl=no with_ssl_zlib=no enable_hipe=no enable_sctp=no fi ]) AC_ARG_ENABLE(threads, AS_HELP_STRING([--enable-threads], [enable async thread support]) AS_HELP_STRING([--disable-threads], [disable async thread support]), [ case "$enableval" in no) enable_threads=no ;; *) enable_threads=yes ;; esac ], enable_threads=unknown) AC_ARG_ENABLE(halfword-emulator, AS_HELP_STRING([--enable-halfword-emulator], [enable halfword emulator (only for 64bit builds)]), [ case "$enableval" in no) enable_halfword_emualtor=no ;; *) enable_halfword_emulator=yes ;; esac ], enable_halfword_emulator=unknown) AC_ARG_ENABLE(smp-support, AS_HELP_STRING([--enable-smp-support], [enable smp support]) AS_HELP_STRING([--disable-smp-support], [disable smp support]), [ case "$enableval" in no) enable_smp_support=no ;; *) enable_smp_support=yes ;; esac ], enable_smp_support=unknown) AC_ARG_WITH(termcap, AS_HELP_STRING([--with-termcap], [use termcap (default)]) AS_HELP_STRING([--without-termcap], [do not use any termcap libraries (ncurses,curses,termcap,termlib)]), [], [with_termcap=yes]) AC_ARG_ENABLE(hybrid-heap, AS_HELP_STRING([--enable-hybrid-heap], [enable hybrid heap]), [ case "$enableval" in no) enable_hybrid_heap=no ;; *) enable_hybrid_heap=yes ;; esac ], enable_hybrid_heap=unknown) AC_ARG_ENABLE(lock-checking, AS_HELP_STRING([--enable-lock-checking], [enable lock checking]), [ case "$enableval" in no) enable_lock_check=no ;; *) enable_lock_check=yes ;; esac ], enable_lock_check=no) AC_ARG_ENABLE(lock-counter, AS_HELP_STRING([--enable-lock-counter], [enable lock counters]), [ case "$enableval" in no) enable_lock_count=no ;; *) enable_lock_count=yes ;; esac ], enable_lock_count=no) AC_ARG_ENABLE(kernel-poll, AS_HELP_STRING([--enable-kernel-poll], [enable kernel poll support]) AS_HELP_STRING([--disable-kernel-poll], [disable kernel poll support]), [ case "$enableval" in no) enable_kernel_poll=no ;; *) enable_kernel_poll=yes ;; esac ], enable_kernel_poll=unknown) AC_ARG_ENABLE(sctp, AS_HELP_STRING([--enable-sctp], [enable sctp support (default)]) AS_HELP_STRING([--disable-sctp], [disable sctp support]), [ case "$enableval" in no) enable_sctp=no ;; *) enable_sctp=yes ;; esac ], enable_sctp=unknown) AC_ARG_ENABLE(hipe, AS_HELP_STRING([--enable-hipe], [enable hipe support]) AS_HELP_STRING([--disable-hipe], [disable hipe support])) AC_ARG_ENABLE(native-libs, AS_HELP_STRING([--enable-native-libs], [compile Erlang libraries to native code])) AC_ARG_ENABLE(tsp, AS_HELP_STRING([--enable-tsp], [compile tsp app])) AC_ARG_ENABLE(fp-exceptions, AS_HELP_STRING([--enable-fp-exceptions], [use hardware floating point exceptions (default if hipe enabled)]), [ case "$enableval" in no) enable_fp_exceptions=no ;; *) enable_fp_exceptions=yes ;; esac ],enable_fp_exceptions=auto) AC_ARG_ENABLE(darwin-universal, AS_HELP_STRING([--enable-darwin-universal], [build universal binaries on darwin i386]), [ case "$enableval" in no) enable_darwin_universal=no ;; *) enable_darwin_univeral=yes ;; esac ],enable_darwin_universal=no) AC_ARG_ENABLE(darwin-64bit, AS_HELP_STRING([--enable-darwin-64bit], [build 64bit binaries on darwin]), [ case "$enableval" in no) enable_darwin_64bit=no ;; *) enable_darwin_64bit=yes ;; esac ],enable_darwin_64bit=no) AC_ARG_ENABLE(m64-build, AS_HELP_STRING([--enable-m64-build], [build 64bit binaries using the -m64 flag to (g)cc]), [ case "$enableval" in no) enable_m64_build=no ;; *) enable_m64_build=yes ;; esac ],enable_m64_build=no) AC_ARG_ENABLE(m32-build, AS_HELP_STRING([--enable-m32-build], [build 32bit binaries using the -m32 flag to (g)cc]), [ case "$enableval" in no) enable_m32_build=no ;; *) if test X${enable_darwin_64bit} = Xyes -o X${enable_m64_build} = Xyes; then AC_MSG_ERROR([(--enable-darwin-64bit or --enable-m64-build) and --enable-m32-build are mutually exclusive]) ; fi ; enable_m32_build=yes ;; esac ],enable_m32_build=no) AC_SUBST(PERFCTR_PATH) AC_ARG_WITH(perfctr, AS_HELP_STRING([--with-perfctr=PATH], [specify location of perfctr include and lib]) AS_HELP_STRING([--without-perfctr], [don't use perfctr (default)])) if test "x$with_perfctr" = "xno" -o "x$with_perfctr" = "x" ; then PERFCTR_PATH= else if test ! -f "$with_perfctr/usr.lib/libperfctr.a" ; then AC_MSG_ERROR(Invalid path to option --with-perfctr=PATH) fi PERFCTR_PATH="$with_perfctr" AC_DEFINE(USE_PERFCTR,[1], [Define to enable hrvtime() on Linux systems with perfctr extension]) fi AC_ARG_ENABLE(clock-gettime, AS_HELP_STRING([--enable-clock-gettime], [use clock-gettime for time correction]), [ case "$enableval" in no) clock_gettime_correction=no ;; *) clock_gettime_correction=yes ;; esac ], clock_gettime_correction=unknown) dnl Magic test for clearcase. OTP_RELEASE= if test "${ERLANG_COMMERCIAL_BUILD}" != ""; then OTP_EXTRA_FLAGS=-DOTP_RELEASE OTP_RELEASE=yes else OTP_EXTRA_FLAGS= fi AC_SUBST(OTP_RELEASE) dnl OK, we might have darwin switches off different kinds, lets dnl check it all before continuing. TMPSYS=`uname -s`-`uname -m` if test X${enable_darwin_universal} = Xyes; then if test X${enable_darwin_64bit} = Xyes; then AC_MSG_ERROR([--enable-darwin-universal and --enable-darwin-64bit mutually exclusive]) fi enable_hipe=no case $CFLAGS in *-arch\ ppc*) ;; *) CFLAGS="-arch ppc $CFLAGS" ;; esac case $CFLAGS in *-arch\ i386*) ;; *) CFLAGS="-arch i386 $CFLAGS" ;; esac fi if test X${enable_darwin_64bit} = Xyes; then case "$TMPSYS" in Darwin-i386|Darwin-x86_64) ;; Darwin*) AC_MSG_ERROR([--enable-darwin-64bit only supported on x86 hosts]) ;; *) AC_MSG_ERROR([--enable-darwin-64bit only supported on Darwin]) ;; esac fi if test X${enable_darwin_64bit} = Xyes -o X${enable_m64_build} = Xyes; then case $CFLAGS in *-m64*) ;; *) CFLAGS="-m64 $CFLAGS" ;; esac else case $host_os in darwin*) case $CFLAGS in *-m32*) ;; *) CFLAGS="-m32 $CFLAGS" ;; esac ;; *) if test X${enable_m32_build} = Xyes; then enable_hipe=no; case $CFLAGS in *-m32*) ;; *) CFLAGS="-m32 $CFLAGS" ;; esac ; fi ;; esac fi dnl ---------------------------------------------------------------------- dnl Checks for programs. dnl ---------------------------------------------------------------------- AC_PROG_CC AC_SUBST(GCC) dnl --------------------------------------------------------------------- dnl Special stuff regarding CFLAGS and details in the environment... dnl --------------------------------------------------------------------- dnl NOTE: CPPFLAGS will be included in CFLAGS at the end case $host_os in linux*) CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE";; win32) # The ethread library requires _WIN32_WINNT of at least 0x0403. # -D_WIN32_WINNT=* from CPPFLAGS is saved in ETHR_DEFS. CPPFLAGS="$CPPFLAGS -D_WIN32_WINNT=0x0500 -DWINVER=0x0500" ;; darwin*) CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE" ;; *) ;; esac LM_WINDOWS_ENVIRONMENT dnl dnl Flags to the C compiler dnl dnl Make sure we find config.h dnl extra_flags="-I${ERL_TOP}/erts/$host $OTP_EXTRA_FLAGS" CFLAGS="$CFLAGS $extra_flags" DEBUG_CFLAGS="-g $CPPFLAGS $extra_flags" DEBUG_FLAGS=-g dnl dnl Adjust DEBUG_CFLAGS to match CFLAGS in terms of -m dnl case $CFLAGS in *-m64*) case $DEBUG_CFLAGS in *-m64*) ;; *) DEBUG_CFLAGS="-m64 $DEBUG_CFLAGS" ;; esac ;; *-m32*) case $DEBUG_CFLAGS in *-m32*) ;; *) DEBUG_CFLAGS="-m32 $DEBUG_CFLAGS" ;; esac ;; *) ;; esac CFLAG_RUNTIME_LIBRARY_PATH="-Wl,-R" case $host_os in darwin*) CFLAG_RUNTIME_LIBRARY_PATH= ;; win32) CFLAG_RUNTIME_LIBRARY_PATH= ;; osf*) CFLAG_RUNTIME_LIBRARY_PATH="-Wl,-rpath," ;; *) ;; esac lfs_conf=ok lfs_source=none if test "${LFS_CFLAGS+set}" = "set" || \ test "${LFS_LDFLAGS+set}" = "set" || \ test "${LFS_LIBS+set}" = "set"; then lfs_source=user else LM_CHECK_GETCONF test "$GETCONF" = "false" || lfs_source=getconf fi if test "$lfs_source" = "none"; then AC_MSG_WARN([Do not know how to check for large file support flags; no getconf is available]) else for var in CFLAGS LDFLAGS LIBS; do AC_MSG_CHECKING([for large file support $var]) if test $lfs_source = user; then eval "lfs_val=\"\$LFS_$var\"" else eval "lfs_var=LFS_$var" lfs_val=`$GETCONF $lfs_var 2>/dev/null` || lfs_conf=failed if test $lfs_conf = failed; then AC_MSG_RESULT([failed]) break fi eval "$lfs_var=\"$lfs_val\"" fi test "$lfs_val" != "" || lfs_val=none AC_MSG_RESULT([$lfs_val]) done if test $lfs_conf = failed; then AC_MSG_WARN([Check for large file support flags failed; $GETCONF failed]) else CFLAGS="$CFLAGS $LFS_CFLAGS" DEBUG_CFLAGS="$DEBUG_CFLAGS $LFS_CFLAGS" LDFLAGS="$LDFLAGS $LFS_LDFLAGS" LIBS="$LIBS $LFS_LIBS" fi fi if test "x$GCC" = xyes; then # until the emulator can handle this, I suggest we turn it off! #WFLAGS="-Wall -Wshadow -Wcast-qual -Wmissing-declarations" WFLAGS="-Wall -Wstrict-prototypes" case "$host_cpu" in tile*) # tile-gcc is a bit stricter with -Wmissing-prototypes than other gccs, # and too strict for our taste. ;; 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sparc64-4) AC_MSG_RESULT(yes: adjusting ARCH=sparc64 to ARCH=ultrasparc) ARCH=ultrasparc ;; ppc64-4) AC_MSG_RESULT(yes: adjusting ARCH=ppc64 to ARCH=ppc) ARCH=ppc ;; *) AC_MSG_RESULT(no) ;; esac AC_SUBST(OPSYS) AC_SUBST(ARCH) dnl Check consistency of os and darwin-switches dnl Take care of LDFLAGS on darwin, and disable common_test as it dnl has a build/configure system re rx-lib that is not compatible dnl First remove common_tests skip file. dnl Adjust LDFLAGS to allow 64bit linkage on DARWIN case $ARCH-$OPSYS in amd64-darwin*) AC_MSG_NOTICE([Adjusting LDFLAGS to cope with 64bit Darwin]) case $LDFLAGS in *-m64*) ;; *) LDFLAGS="-m64 $LDFLAGS" ;; esac ;; *-darwin*) if test X${enable_darwin_universal} = Xyes; then AC_MSG_NOTICE([Adjusting LDFLAGS for universal binaries]) case $LDFLAGS in *-arch\ ppc*) ;; *) LDFLAGS="-arch ppc $LDFLAGS" ;; esac case $LDFLAGS in *-arch\ i386*) ;; *) LDFLAGS="-arch i386 $LDFLAGS" ;; esac else case $LDFLAGS in *-m32*) ;; *) LDFLAGS="-m32 $LDFLAGS" ;; esac fi ;; *) if test X${enable_m64_build} = Xyes; then AC_MSG_NOTICE([Adjusting LDFLAGS to use -m64]) case $LDFLAGS in *-m64*) ;; *) LDFLAGS="-m64 $LDFLAGS" ;; esac fi; if test X${enable_m32_build} = Xyes; then AC_MSG_NOTICE([Adjusting LDFLAGS to use -m32]) ; case $LDFLAGS in *-m32*) ;; *) LDFLAGS="-m32 $LDFLAGS" ;; esac ; fi ;; esac AC_MSG_CHECKING(if VM has to be linked with Carbon framework) case $ARCH-$OPSYS in amd64-darwin*) LIBCARBON= AC_MSG_RESULT([no]) ;; *-darwin*) LIBCARBON="-framework Carbon " AC_MSG_RESULT([yes]) ;; *) LIBCARBON= AC_MSG_RESULT([no]) ;; esac AC_SUBST(LIBCARBON) dnl Check if we should/can build a halfword emulator AC_MSG_CHECKING(if we are building a halfword emulator (32bit heap on 64bit machine)) if test "$enable_halfword_emulator" = "yes"; then if test "$ARCH" = "amd64"; then AC_DEFINE(HALFWORD_HEAP_EMULATOR, [1], [Define if building a halfword-heap 64bit emulator]) ENABLE_ALLOC_TYPE_VARS="$ENABLE_ALLOC_TYPE_VARS halfword" AC_MSG_RESULT([yes]) else AC_MSG_ERROR(no; halfword emulator not supported on this architecture) fi else AC_MSG_RESULT([no]) fi dnl some tests below will call this if we haven't already - and autoconf dnl can't handle those tests being done conditionally at runtime AC_PROG_CPP AC_PROG_RANLIB AC_PROG_YACC LM_PROG_PERL5 if test "$ac_cv_path_PERL" = false; then AC_MSG_ERROR([Perl version 5 is required to build the emulator!]) fi AC_PROG_LN_S AC_CHECK_TOOL([AR], [ar], [false]) if test "$ac_cv_prog_AR" = false; then AC_MSG_ERROR([No 'ar' command found in PATH]) fi _search_path=/bin:/usr/bin:/usr/local/bin:$PATH AC_PATH_PROG(RM, rm, false, $_search_path) if test "$ac_cv_path_RM" = false; then AC_MSG_ERROR([No 'rm' command found]) fi AC_PATH_PROG(MKDIR, mkdir, false, $_search_path) if test "$ac_cv_path_MKDIR" = false; then AC_MSG_ERROR([No 'mkdir' command found]) fi _search_path= # # Get programs needed for building the documentation # ## Delete previous failed configure results if test -f doc/CONF_INFO; then rm doc/CONF_INFO fi AC_CHECK_PROGS(XSLTPROC, xsltproc) if test -z "$XSLTPROC"; then echo "xsltproc" >> doc/CONF_INFO AC_MSG_WARN([No 'xsltproc' command found: the documentation cannot be built]) fi AC_CHECK_PROGS(FOP, fop) if test -z "$FOP"; then FOP="$ERL_TOP/make/fakefop" echo "fop" >> doc/CONF_INFO AC_MSG_WARN([No 'fop' command found: going to generate placeholder PDF files]) fi dnl dnl We can live with Solaris /usr/ucb/install dnl case $host in *-*-solaris*|free_source) if test -x /usr/ucb/install; then INSTALL="/usr/ucb/install -c" fi ;; *) ;; esac AC_PROG_INSTALL LM_PROG_INSTALL_DIR case $host_os in darwin*) dnl Need to preserve modification time on archives; dnl otherwise, ranlib has to be run on archives dnl again after installation. INSTALL_DATA="$INSTALL_DATA -p";; *) ;; esac dnl dnl Fix for Tilera install permissions dnl case $build in *tile*) INSTALL_PROGRAM="$INSTALL_PROGRAM -m755" INSTALL_SCRIPT="$INSTALL_SCRIPT -m755" ;; *) ;; esac dnl ---------------------------------------------------------------------- dnl Misc. things (some of them should go away) dnl ---------------------------------------------------------------------- dnl dnl An attempt to allow cross compiling. This is not the right way, dnl nor does it work currently. Some makefiles still needs these dnl variables, so we leave them in for now. dnl HCC='$(CC)' AC_SUBST(HCC) HCFLAGS="" AC_SUBST(HCFLAGS) HCFLAGS="$HCFLAGS -I${ERL_TOP}/erts/$host" vxworks_reclaim="" AC_SUBST(vxworks_reclaim) dnl We want to use $(CC) as linker for the emulator regardless of dnl what the user say. This might not be the right way to do it, but dnl for now that is the way we do it. USER_LD=$LD USER_LDFLAGS="$LDFLAGS" LD='$(CC)' AC_SUBST(LD) LDFLAG_RUNTIME_LIBRARY_PATH="$CFLAG_RUNTIME_LIBRARY_PATH" AC_SUBST(LDFLAG_RUNTIME_LIBRARY_PATH) dnl Check for cygwin and object/exe files extension dnl AC_CYGWIN is deprecated AC_EXEEXT AC_OBJEXT dnl This is the os flavour, should be unix, vxworks or win32 if test "X$host" = "Xwin32"; then ERLANG_OSTYPE=win32 else ERLANG_OSTYPE=unix fi AC_SUBST(ERLANG_OSTYPE) # Check how to export functions from the emulator executable, needed # when dynamically loaded drivers are loaded (so that they can find # emulator functions). # OS'es with ELF executables using the GNU linker (Linux and recent *BSD, # in rare cases Solaris) typically need '-Wl,-export-dynamic' (i.e. pass # -export-dynamic to the linker - also known as -rdynamic and some other # variants); some sysVr4 system(s) instead need(s) '-Wl,-Bexport'. # AIX 4.x (perhaps only for x>=2) wants -Wl,-bexpall,-brtl and doesn't # reliably return an error for others, thus we separate it out. # Otherwise we assume that if the linker accepts the flag, it is needed. AC_MSG_CHECKING(for extra flags needed to export symbols) DEXPORT="" case $host_os in aix4*) DEXPORT=-Wl,-bexpall,-brtl ;; bsdi*) DEXPORT="-rdynamic " ;; win32) DEXPORT="" ;; *) save_ldflags="$LDFLAGS" LDFLAGS=-Wl,-export-dynamic AC_TRY_LINK(,,[DEXPORT=-Wl,-export-dynamic], [ LDFLAGS=-Wl,-Bexport AC_TRY_LINK(,,[DEXPORT=-Wl,-Bexport], AC_MSG_RESULT(none))]) LDFLAGS="$save_ldflags" ;; esac AC_SUBST(DEXPORT) case "x$DEXPORT" in "x") AC_MSG_RESULT([none]);; *) AC_MSG_RESULT([$DEXPORT]);; esac # Check for Solaris/ultrasparc /dev/perfmon interface # (also needs gcc specific asm instructions) case "${host}:${GCC}" in sparc-*-solaris*:yes) AC_DEFINE(HAVE_SOLARIS_SPARC_PERFMON,[1], [define if you have the Solaris/ultrasparc /dev/perfmon interface]) ;; *) ;; esac dnl ---------------------------------------------------------------------- dnl Checks for libraries. dnl ---------------------------------------------------------------------- AC_CHECK_LIB(m, sin) AC_CHECK_LIB(dl, dlopen) AC_CHECK_LIB(inet, main) AC_CHECK_LIB(util, openpty) dnl Try to find a thread library. dnl dnl ETHR_LIB_NAME, ETHR_LIBS, ETHR_X_LIBS, ETHR_THR_LIB_BASE and ETHR_DEFS dnl are set by ERL_FIND_ETHR_LIB ERL_FIND_ETHR_LIB if test "X$ETHR_LIB_NAME" = "X"; then found_threads=no else found_threads=yes fi ERTS_BUILD_SMP_EMU=$enable_smp_support AC_MSG_CHECKING(whether an emulator with smp support should be built) case $ERTS_BUILD_SMP_EMU in yes) AC_MSG_RESULT(yes; enabled by user) ;; no) AC_MSG_RESULT(no; disabled by user) ;; unknown) AC_TRY_COMPILE([],[ #if __GNUC__ >= 3 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 95) ; #else #error old or no gcc #endif ], gcc_smp=okgcc, gcc_smp=oldornogcc) ERTS_BUILD_SMP_EMU=yes case "$enable_threads-$gcc_smp-$found_threads-$host_os" in no-*) AC_MSG_RESULT(no; threads disabled by user) ERTS_BUILD_SMP_EMU=no ;; *-okgcc-yes-*) AC_MSG_RESULT(yes) ERTS_BUILD_SMP_EMU=yes ;; *-win32) AC_MSG_RESULT(yes) ERTS_BUILD_SMP_EMU=yes ;; *-oldornogcc-*) AC_MSG_RESULT(no; old gcc or no gcc found) ERTS_BUILD_SMP_EMU=no ;; *) AC_MSG_RESULT(no) ERTS_BUILD_SMP_EMU=no ;; esac ;; esac if test $ERTS_BUILD_SMP_EMU = yes; then if test $found_threads = no; then AC_MSG_ERROR([cannot build smp enabled emulator since no thread library was found]) fi AC_DEFINE(ERTS_HAVE_SMP_EMU, 1, [Define if the smp emulator is built]) case "$ethr_have_native_atomics-$ethr_have_native_spinlock" in yes-*) ;; no-yes) test -f "$ERL_TOP/erts/CONF_INFO" || echo "" > "$ERL_TOP/erts/CONF_INFO" cat >> $ERL_TOP/erts/CONF_INFO <<EOF No native atomic implementation available. Fallbacks implemented using spinlocks will be used. Note that the performance of the SMP runtime system will suffer due to this. EOF ;; no-no) test -f "$ERL_TOP/erts/CONF_INFO" || echo "" > "$ERL_TOP/erts/CONF_INFO" cat >> "$ERL_TOP/erts/CONF_INFO" <<EOF No native atomic implementation, nor no native spinlock implementation available. Fallbacks implemented using mutexes will be used. Note that the performance of the SMP runtime system will suffer much due to this. EOF ;; esac enable_threads=force fi AC_SUBST(ERTS_BUILD_SMP_EMU) AC_CHECK_FUNCS([posix_fadvise]) # # Figure out if the emulator should use threads. The default is set above # in the enable_threads variable. It can have the following values: # # no single-threaded emulator requested # yes multi-threaded emulator requested # force multi-threaded emulator required # # EMU_THR_LIB_NAME, EMU_THR_LIBS, EMU_THR_X_LIBS, and EMU_THR_DEFS is # used by the emulator, and can (but should not) be used by applications # that only require thread support when the emulator has thread support. # Other applications should use ETHR_LIB_NAME, ETHR_LIBS, ETHR_X_LIBS, # and ETHR_DEFS. # AC_MSG_CHECKING(whether the emulator should use threads) EMU_THR_LIB_NAME= EMU_THR_X_LIBS= EMU_THR_LIBS= EMU_THR_DEFS= emu_threads=no case "$enable_threads"-"$host_os" in *-win32) # The windows erlang emulator can never run without threads. # It has to be enabled or the emulator will crash. Until that # is fixed we force threads on win32. enable_threads=force ;; yes-osf*) # The emulator hang when threads are enabled on osf AC_MSG_ERROR(unresolved problems exist with threads on this platform) ;; *) ;; esac case "$enable_threads"-"$found_threads" in force-yes) emu_threads=yes AC_MSG_RESULT(yes; thread support required and therefore forced) ;; yes-yes) emu_threads=yes AC_MSG_RESULT(yes; enabled by user) ;; unknown-yes) case $host_os in solaris*|linux*|darwin*|win32) emu_threads=yes AC_MSG_RESULT(yes; default on this platform) ;; *) AC_MSG_RESULT(no; default on this platform) ;; esac ;; no-yes) AC_MSG_RESULT(no; thread support found but disabled by user) ;; unknown-no|no-no) AC_MSG_RESULT(no) ;; force-no) AC_MSG_ERROR(thread support required but not found) ;; yes-no) AC_MSG_ERROR(thread support enabled by user but not found) ;; *) AC_MSG_ERROR(internal error) ;; esac if test $emu_threads != yes; then enable_lock_check=no enable_lock_count=no else # Threads enabled for emulator EMU_THR_LIB_NAME=$ETHR_LIB_NAME EMU_THR_X_LIBS=$ETHR_X_LIBS EMU_THR_LIBS=$ETHR_LIBS EMU_THR_DEFS=$ETHR_DEFS ENABLE_ALLOC_TYPE_VARS="$ENABLE_ALLOC_TYPE_VARS threads" AC_MSG_CHECKING(whether lock checking should be enabled) AC_MSG_RESULT($enable_lock_check) if test "x$enable_lock_check" != "xno"; then EMU_THR_DEFS="$EMU_THR_DEFS -DERTS_ENABLE_LOCK_CHECK" fi AC_MSG_CHECKING(whether lock counters should be enabled) AC_MSG_RESULT($enable_lock_count) if test "x$enable_lock_count" != "xno"; then EMU_THR_DEFS="$EMU_THR_DEFS -DERTS_ENABLE_LOCK_COUNT" fi disable_child_waiter_thread=no case $host_os in solaris*) enable_child_waiter_thread=yes ;; linux*) AC_MSG_CHECKING([whether dlopen() needs to be called before first call to dlerror()]) if test "x$ETHR_THR_LIB_BASE_TYPE" != "xposix_nptl"; then AC_DEFINE(ERTS_NEED_DLOPEN_BEFORE_DLERROR,[1], [Define if dlopen() needs to be called before first call to dlerror()]) AC_MSG_RESULT(yes) else AC_MSG_RESULT(no) fi if test "x$ETHR_THR_LIB_BASE_TYPE" != "xposix_nptl"; then # Child waiter thread cannot be enabled disable_child_waiter_thread=yes enable_child_waiter_thread=no fi ;; win32) # Child waiter thread cannot be enabled disable_child_waiter_thread=yes enable_child_waiter_thread=no ;; *) ;; esac # Remove -D_WIN32_WINNT*, -DWINVER* and -D_GNU_SOURCE from EMU_THR_DEFS # (defined in CFLAGS). Note that we want to keep these flags # in ETHR_DEFS, but not in EMU_THR_DEFS. new_emu_thr_defs= for thr_def in $EMU_THR_DEFS; do case $thr_def in -D_GNU_SOURCE*|-D_WIN32_WINNT*|-DWINVER*) ;; *) new_emu_thr_defs="$new_emu_thr_defs $thr_def" ;; esac done EMU_THR_DEFS=$new_emu_thr_defs AC_MSG_CHECKING(whether the child waiter thread should be enabled) if test $enable_child_waiter_thread = yes; then AC_DEFINE(ENABLE_CHILD_WAITER_THREAD,[1], [Define if you want to enable child waiter thread]) AC_MSG_RESULT(yes) else case $ERTS_BUILD_SMP_EMU-$disable_child_waiter_thread in yes-no) AC_MSG_RESULT([yes on SMP build, but not on non-SMP build]);; *-yes) AC_DEFINE(DISABLE_CHILD_WAITER_THREAD,[1], [Define if you want to disable child waiter thread]) AC_MSG_RESULT(no);; *) AC_MSG_RESULT(no);; esac fi fi AC_SUBST(EMU_THR_LIB_NAME) AC_SUBST(EMU_THR_X_LIBS) AC_SUBST(EMU_THR_LIBS) AC_SUBST(EMU_THR_DEFS) if test "x$enable_lock_check" = "xno"; then EMU_LOCK_CHECKING=no else EMU_LOCK_CHECKING=yes fi AC_SUBST(EMU_LOCK_CHECKING) ERL_INTERNAL_LIBS dnl THR_LIBS and THR_DEFS are only used by odbc THR_LIBS=$ETHR_X_LIBS THR_DEFS=$ETHR_DEFS AC_SUBST(THR_LIBS) AC_SUBST(THR_DEFS) dnl ---------------------------------------------------------------------- dnl Try to figure out where to get the termcap functions from. dnl We use tgetent(), tgetflag(), tgetnum(), tgetstr() and tputs() dnl ---------------------------------------------------------------------- TERMCAP_LIB= if test "x$with_termcap" != "xno" && test "X$host" != "Xwin32"; then # try these libs termcap_libs="ncurses curses termcap termlib" for termcap_lib in $termcap_libs; do AC_CHECK_LIB($termcap_lib, tgetent, TERMCAP_LIB="-l$termcap_lib") if test "x$TERMCAP_LIB" != "x"; then break fi done if test "x$TERMCAP_LIB" = "x"; then AC_MSG_ERROR([No curses library functions found]) fi fi AC_SUBST(TERMCAP_LIB) if test "x$TERMCAP_LIB" != "x"; then AC_DEFINE(HAVE_TERMCAP, 1, [Define if termcap functions exists]) fi dnl ------------- dnl zlib dnl ------------- AC_ARG_ENABLE(shared-zlib, AS_HELP_STRING([--enable-shared-zlib], [enable using shared zlib library]), [ case "$enableval" in no) enable_shared_zlib=no ;; *) enable_shared_zlib=yes ;; esac ], enable_shared_zlib=no) Z_LIB= if test "x$enable_shared_zlib" = "xyes" ; then AC_CHECK_LIB(z, adler32_combine, [Z_LIB="-lz" AC_DEFINE(HAVE_LIBZ, 1, [Define to 1 if you have the `z' library (-lz).])], [AC_MSG_ERROR([cannot find any shared zlib])]) else AC_MSG_NOTICE([Using own zlib source]) fi AC_SUBST(Z_LIB) dnl dnl This test kindly borrowed from Tcl dnl #-------------------------------------------------------------------- # Check for the existence of the -lsocket and -lnsl libraries. # The order here is important, so that they end up in the right # order in the command line generated by make. Here are some # special considerations: # 1. Use "connect" and "accept" to check for -lsocket, and # "gethostbyname" to check for -lnsl. # 2. Use each function name only once: can't redo a check because # autoconf caches the results of the last check and won't redo it. # 3. Use -lnsl and -lsocket only if they supply procedures that # aren't already present in the normal libraries. This is because # IRIX 5.2 has libraries, but they aren't needed and they're # bogus: they goof up name resolution if used. # 4. On some SVR4 systems, can't use -lsocket without -lnsl too. # To get around this problem, check for both libraries together # if -lsocket doesn't work by itself. #-------------------------------------------------------------------- erl_checkBoth=0 AC_CHECK_FUNC(connect, erl_checkSocket=0, erl_checkSocket=1) if test "$erl_checkSocket" = 1; then AC_CHECK_LIB(socket, main, LIBS="$LIBS -lsocket", erl_checkBoth=1) fi if test "$erl_checkBoth" = 1; then tk_oldLibs=$LIBS LIBS="$LIBS -lsocket -lnsl" AC_CHECK_FUNC(accept, erl_checkNsl=0, [LIBS=$tk_oldLibs]) fi AC_CHECK_FUNC(gethostbyname, , AC_CHECK_LIB(nsl, main, [LIBS="$LIBS -lnsl"])) AC_CHECK_FUNC(gethostbyname_r,have_gethostbyname_r=yes) dnl dnl These gethostbyname thingies use old style AC_DEFINE for BC with ancient dnl autoconf... dnl if test "$have_gethostbyname_r" = yes; then # OK, so we have gethostbyname_r() - but do we know how to call it...? # (if not, HAVE_GETHOSTBYNAME_R will not be defined at all) case $host_os in solaris2*) AC_DEFINE(HAVE_GETHOSTBYNAME_R, GHBN_R_SOLARIS, [Define to flavour of gethostbyname_r]) ;; aix4*) # AIX version also needs "struct hostent_data" defn AC_TRY_COMPILE([#include <netdb.h>], [struct hostent_data hd;], AC_DEFINE(HAVE_GETHOSTBYNAME_R, GHBN_R_AIX, [Define to flavour of gethostbyname_r])) ;; *) AC_EGREP_CPP(yes,[#include <stdio.h> #ifdef __GLIBC__ yes #endif ], AC_DEFINE(HAVE_GETHOSTBYNAME_R, GHBN_R_GLIBC, [Define to flavour of gethostbyname_r])) ;; esac fi AC_MSG_CHECKING(for working posix_openpt implementation) AC_TRY_LINK([ #define _XOPEN_SOURCE 600 #include <stdlib.h> #include <fcntl.h> ], [ int mfd = posix_openpt(O_RDWR); ptsname(mfd); grantpt(mfd); unlockpt(mfd); return mfd; ], working_posix_openpt=yes, working_posix_openpt=no) if test "X$working_posix_openpt" = "Xyes"; then AC_DEFINE(HAVE_WORKING_POSIX_OPENPT, [1], [Define if you have a working posix_openpt implementation]) AC_MSG_RESULT(yes) else AC_MSG_RESULT(no) fi dnl Check for usage of sockaddr_in in netdb.h dnl somewhat ugly check, I check for presence of the string and that dnl compilation works. If either fails I assume it's not needed. dnl Seems only to be needed on a patched version of solaris2.5.1, with dnl netdb.h version 1.18. AC_MSG_CHECKING([if netdb.h requires netinet/in.h to be previously included]) AC_EGREP_CPP(sockaddr_in, [#include <netdb.h>], AC_TRY_COMPILE([#include <netinet/in.h> #include <netdb.h>], [return 0;], need_in_h=yes, need_in_h=no), need_in_h=no) if test $need_in_h = yes; then AC_DEFINE(NETDB_H_NEEDS_IN_H,[1], [Define if netdb.h needs struct sockaddr_in ans in.h CAN be included before]) AC_MSG_RESULT(yes) else AC_MSG_RESULT(no) fi dnl Check for type socklen_t dnl AC_MSG_CHECKING([for socklen_t]) AC_TRY_COMPILE( [#include <sys/socket.h>], [socklen_t test;], have_socklen_t=yes, have_socklen_t=no), if test $have_socklen_t = yes; then AC_DEFINE(HAVE_SOCKLEN_T,[1],[Define if we have socklen_t]) AC_MSG_RESULT(yes) else AC_MSG_RESULT(no) fi dnl h_errno isn't always declared in netdb.h, and with some definitions dnl (e.g. function call for thread-safe) a simple 'extern int' may conflict dnl (we do assume that h_errno exists at all...) AC_CACHE_CHECK([for h_errno declaration in netdb.h], ac_cv_decl_h_errno, [AC_TRY_COMPILE([#include <netdb.h>], [int err = h_errno;], ac_cv_decl_h_errno=yes, ac_cv_decl_h_errno=no)]) if test $ac_cv_decl_h_errno = yes; then AC_DEFINE(H_ERRNO_DECLARED,[1], [define if h_errno is declared (in some way) in a system header file]) fi dnl ---------------------------------------------------------------------- dnl Checks for header files. dnl ---------------------------------------------------------------------- dnl We sometimes need EMU_THR_DEFS in order to find certain headers. saved_cppflags=$CPPFLAGS CPPFLAGS="$CPPFLAGS $EMU_THR_DEFS" AC_HEADER_DIRENT AC_HEADER_STDC AC_HEADER_SYS_WAIT AC_HEADER_TIME dnl Interactive UX needs <net/errno.h> for socket related error codes. dnl Some Linuxes needs <sys/socketio.h> instead of <sys/sockio.h> dnl AC_CHECK_HEADERS(fcntl.h limits.h unistd.h syslog.h dlfcn.h ieeefp.h \ sys/types.h sys/stropts.h sys/sysctl.h \ sys/ioctl.h sys/time.h sys/uio.h \ sys/socket.h sys/sockio.h sys/socketio.h \ net/errno.h malloc.h arpa/nameser.h libdlpi.h \ pty.h util.h utmp.h langinfo.h poll.h sdkddkver.h) AC_CHECK_MEMBERS([struct ifreq.ifr_hwaddr], [], [], [#ifdef __WIN32__ #else #ifdef VXWORKS #else #include <net/if.h> #endif #endif ]) AC_CHECK_MEMBERS([struct ifreq.ifr_enaddr], [], [], [#ifdef __WIN32__ #else #ifdef VXWORKS #else #include <net/if.h> #endif #endif ]) dnl ---------------------------------------------------------------------- dnl Check the availability for libdlpi dnl ---------------------------------------------------------------------- AC_CHECK_LIB(dlpi, dlpi_open) if test x"$ac_cv_lib_dlpi_dlpi_open" = x"no"; then unset -v ac_cv_lib_dlpi_dlpi_open dnl Try again now with -L/lib (or ditto 64) as argument to linker since dnl gcc makes /usr/ccs/bin/ld ignore the crle configured linker default paths dnl typically causing dlpi not being found on Solaris et.al save_ldflags="$LDFLAGS" try_dlpi_lib=/lib if test x"$ac_cv_sizeof_void_p" = x"8"; then if test -d /lib64; then try_dlpi_lib=/lib64 elif test -d /lib/64; then try_dlpi_lib=/lib/64 fi fi if test ! -f "$try_dlpi_lib/libdlpi.so" && \ test -f "$try_dlpi_lib/libdlpi.so.1" then dnl It looks like there is a missing symlink dnl - let's be helpful and notify the user dnl NOTE this help is far from perfect e.g if there would be no dnl *.so.1 but a *.so.1.123 or *.so.2 this will be no help AC_MSG_ERROR( [Your OS installation is missing a symbolic link. Maybe it lacks some development package(s)... It can anyhow be fixed with the following command: # ln -s libdlpi.so.1 $try_dlpi_lib/libdlpi.so ]) fi LDFLAGS="-L$try_dlpi_lib -R$try_dlpi_lib $LDFLAGS" unset -v try_dlpi_lib AC_MSG_NOTICE([Extending the search to include /lib]) AC_CHECK_LIB(dlpi, dlpi_open) if test x"$ac_cv_lib_dlpi_dlpi_open" = x"no"; then LDFLAGS="$save_ldflags" fi unset -v save_ldflags fi AC_CHECK_HEADER(sys/resource.h, [AC_DEFINE(HAVE_SYS_RESOURCE_H, 1, [Define to 1 if you have the <sys/resource.h> header file]) AC_CHECK_DECLS([getrlimit, setrlimit, RLIMIT_STACK], [],[], [#include <sys/resource.h>])], [],[]) dnl Check if we have kernel poll support have_kernel_poll=no AC_CHECK_HEADER(sys/event.h, have_kernel_poll=kqueue) AC_CHECK_HEADER(sys/epoll.h, have_kernel_poll=epoll) AC_CHECK_HEADER(sys/devpoll.h, have_kernel_poll=/dev/poll) dnl Check for kernel SCTP support AC_SUBST(LIBSCTP) if test "x$enable_sctp" != "xno" ; then AC_CHECK_HEADER(netinet/sctp.h, [LIBSCTP=libsctp.so.1 AC_DEFINE(HAVE_SCTP_H, [1], [Define to 1 if you have the <netinet/sctp.h> header file])], [], [#if HAVE_SYS_SOCKET_H #include <sys/socket.h> #endif ]) fi if test x"$ac_cv_header_netinet_sctp_h" = x"yes"; then AC_CHECK_FUNCS([sctp_bindx sctp_peeloff]) AC_CHECK_DECLS([SCTP_UNORDERED, SCTP_ADDR_OVER, SCTP_ABORT, SCTP_EOF, SCTP_SENDALL, SCTP_ADDR_CONFIRMED, SCTP_DELAYED_ACK_TIME, SCTP_EMPTY, SCTP_CLOSED, SCTPS_IDLE, SCTP_BOUND, SCTPS_BOUND, SCTP_LISTEN, SCTPS_LISTEN, SCTP_COOKIE_WAIT, SCTPS_COOKIE_WAIT, SCTP_COOKIE_ECHOED, SCTPS_COOKIE_ECHOED, SCTP_ESTABLISHED, SCTPS_ESTABLISHED, SCTP_SHUTDOWN_PENDING, SCTPS_SHUTDOWN_PENDING, SCTP_SHUTDOWN_SENT, SCTPS_SHUTDOWN_SENT, SCTP_SHUTDOWN_RECEIVED, SCTPS_SHUTDOWN_RECEIVED, SCTP_SHUTDOWN_ACK_SENT, SCTPS_SHUTDOWN_ACK_SENT], [], [], [#if HAVE_SYS_SOCKET_H #include <sys/socket.h> #endif #include <netinet/sctp.h> ]) AC_CHECK_MEMBERS([struct sctp_paddrparams.spp_pathmtu, struct sctp_paddrparams.spp_sackdelay, struct sctp_paddrparams.spp_flags, struct sctp_remote_error.sre_data, struct sctp_send_failed.ssf_data], [], [], [#if HAVE_SYS_SOCKET_H #include <sys/socket.h> #endif #include <netinet/sctp.h> ]) fi HAVE_VALGRIND=no AC_CHECK_HEADER(valgrind/valgrind.h, HAVE_VALGRIND=yes) AC_SUBST(HAVE_VALGRIND) LM_DECL_SO_BSDCOMPAT LM_DECL_INADDR_LOOPBACK LM_DECL_SYS_ERRLIST AC_CACHE_CHECK([if windows.h includes winsock2.h], erts_cv_windows_h_includes_winsock2_h, AC_TRY_COMPILE([#include <windows.h> ], [#ifndef _WINSOCK2API_ #error winsock2.h not included #endif int i = 1; ], erts_cv_windows_h_includes_winsock2_h=yes, erts_cv_windows_h_includes_winsock2_h=no)) if test $erts_cv_windows_h_includes_winsock2_h = yes; then AC_DEFINE(WINDOWS_H_INCLUDES_WINSOCK2_H, 1, \ [Define if windows.h includes winsock2.h]) fi dnl restore CPPFLAGS CPPFLAGS=$saved_cppflags dnl ---------------------------------------------------------------------- dnl Checks for typedefs, structures, and compiler characteristics. dnl ---------------------------------------------------------------------- AC_C_CONST AC_TYPE_SIGNAL AC_TYPE_OFF_T AC_TYPE_PID_T AC_TYPE_SIZE_T AC_STRUCT_TM LM_STRUCT_SOCKADDR_SA_LEN LM_STRUCT_EXCEPTION AC_CHECK_SIZEOF(char, 1) AC_CHECK_SIZEOF(short) AC_CHECK_SIZEOF(int) AC_CHECK_SIZEOF(long) AC_CHECK_SIZEOF(void *) AC_CHECK_SIZEOF(long long) AC_CHECK_SIZEOF(size_t) AC_CHECK_SIZEOF(off_t) AC_CHECK_SIZEOF(time_t) BITS64= if test $ac_cv_sizeof_void_p = 8; then BITS64=yes fi AC_SUBST(BITS64) if test "x$ac_compiler_gnu" = "xyes"; then AC_MSG_CHECKING([if we should add -fno-tree-copyrename to CFLAGS for computed gotos to work properly]) AC_TRY_COMPILE([],[ #if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3) ; #else #error old and ok #endif ], no_tree_copyrename=yes, no_tree_copyrename=no) if test "x$no_tree_copyrename" = "xyes"; then CFLAGS="$CFLAGS -fno-tree-copyrename" AC_MSG_RESULT(yes, adjusting CFLAGS) else AC_MSG_RESULT(no) fi AC_MSG_CHECKING([for broken gcc-4.3.0 compiler]) AC_TRY_RUN([ /* pr36339.c */ extern void abort (void); typedef unsigned long my_uintptr_t; int check_a(my_uintptr_t tagged_ptr); int __attribute__((noinline)) try_a(my_uintptr_t x) { my_uintptr_t heap[2]; my_uintptr_t *hp = heap; hp[0] = x; hp[1] = 0; return check_a((my_uintptr_t)(void*)((char*)hp + 1)); } int __attribute__((noinline)) check_a(my_uintptr_t tagged_ptr) { my_uintptr_t *hp = (my_uintptr_t*)(void*)((char*)tagged_ptr - 1); if (hp[0] == 42 && hp[1] == 0) return 0; return -1; } int main(void) { if (try_a(42) < 0) abort (); return 0; } ], gcc_4_3_0_bug=no, gcc_4_3_0_bug=yes, gcc_4_3_0_bug=cross) case $gcc_4_3_0_bug in yes|no) gcc_4_3_0_bug_result=$gcc_4_3_0_bug;; cross) gcc_dumped_vsn=`$CC -dumpversion 2>/dev/null` case gcc-$gcc_dumped_vsn in gcc-4.3.0) gcc_4_3_0_bug=yes;; *) gcc_4_3_0_bug=no;; esac gcc_4_3_0_bug_result="$gcc_4_3_0_bug; could not run test since cross compiling, checked version number ($gcc_dumped_vsn) instead";; esac AC_MSG_RESULT([$gcc_4_3_0_bug_result]) if test $gcc_4_3_0_bug = yes; then AC_MSG_ERROR([This gcc miscompiles the Erlang runtime system; please use a different version]) fi fi case X$erl_xcomp_bigendian in X) ;; Xyes|Xno) ac_cv_c_bigendian=$erl_xcomp_bigendian;; *) AC_MSG_ERROR([Bad erl_xcomp_bigendian value: $erl_xcomp_bigendian]);; esac AC_C_BIGENDIAN dnl fdatasync syscall (Unix only) AC_CHECK_FUNCS([fdatasync]) dnl Find which C libraries are required to use fdatasync dnl TODO: Remove check once SunOS >= 5.11 is required by erts. dnl fdatasync requires linking against -lrt on SunOS <= 5.10. dnl OpenSolaris 2009.06 is SunOS 5.11 and does not require -lrt. AC_SEARCH_LIBS(fdatasync, [rt]) dnl sendfile syscall case $host_os in linux*|freebsd*|dragonfly*|darwin*) AC_CHECK_FUNCS([sendfile]) ;; solaris*) AC_SEARCH_LIBS(sendfilev, sendfile, AC_DEFINE([HAVE_SENDFILEV],[1], [Define to 1 if you have the `sendfilev' function.])) ;; win32) LIBS="$LIBS -lmswsock" ;; *) ;; esac dnl ---------------------------------------------------------------------- dnl Checks for library functions. dnl ---------------------------------------------------------------------- dnl We may need the thread library and thread flags in order to find right stuff saved_cppflags=$CPPFLAGS CPPFLAGS="$CPPFLAGS $EMU_THR_DEFS" saved_libs=$LIBS LIBS="$LIBS $EMU_THR_X_LIBS" dnl Check if we have these, in which case we'll try to build dnl inet_gethost with ipv6 support. AC_CHECK_HEADERS(windows.h) AC_CHECK_HEADERS(winsock2.h) AC_CHECK_HEADERS(ws2tcpip.h,[],[],[ #ifdef HAVE_WINSOCK2_H #include <winsock2.h> #endif #ifdef HAVE_WINDOWS_H #include <windows.h> #endif ]) dnl AC_CHECK_FUNC(getaddrinfo, have_getaddrinfo=yes, have_getaddrinfo=no) AC_MSG_CHECKING(for getaddrinfo) AC_TRY_LINK([ #include <stdlib.h> #include <string.h> #ifdef HAVE_WINSOCK2_H #include <winsock2.h> #endif #ifdef HAVE_WINDOWS_H #include <windows.h> #endif #ifdef HAVE_WS2TCPIP_H #include <ws2tcpip.h> #endif #ifndef __WIN32__ #include <sys/socket.h> #include <netdb.h> #endif ], [ getaddrinfo("","",NULL,NULL); ],have_getaddrinfo=yes, have_getaddrinfo=no) if test $have_getaddrinfo = yes; then AC_MSG_RESULT([yes]) AC_MSG_CHECKING([whether getaddrinfo accepts enough flags]) AC_TRY_COMPILE([ #include <stdlib.h> #include <string.h> #ifdef HAVE_WINSOCK2_H #include <winsock2.h> #endif #ifdef HAVE_WINDOWS_H #include <windows.h> #endif #ifdef HAVE_WS2TCPIP_H #include <ws2tcpip.h> #endif #ifndef __WIN32__ #include <sys/socket.h> #include <netdb.h> #endif ], [ struct addrinfo hints, *ai; memset(&hints, 0, sizeof(hints)); hints.ai_flags = AI_CANONNAME; hints.ai_socktype = SOCK_STREAM; hints.ai_family = AF_INET6; if (getaddrinfo("::", NULL, &hints, &ai) == 0) { freeaddrinfo(ai); exit(0); } else { exit(1); } ],, have_getaddrinfo=no) AC_MSG_RESULT($have_getaddrinfo) case $have_getaddrinfo in yes) AC_DEFINE(HAVE_GETADDRINFO, [1], [Define to 1 if you have a good `getaddrinfo' function.]);; *) ;; esac else AC_MSG_RESULT([no]) fi AC_MSG_CHECKING(for getnameinfo) AC_TRY_LINK([ #include <stdlib.h> #include <string.h> #ifdef HAVE_WINSOCK2_H #include <winsock2.h> #endif #ifdef HAVE_WINDOWS_H #include <windows.h> #endif #ifdef HAVE_WS2TCPIP_H #include <ws2tcpip.h> #endif #ifndef __WIN32__ #include <sys/socket.h> #include <netdb.h> #endif ], [ getnameinfo(NULL,0,NULL,0,NULL,0,0); ],have_getnameinfo=yes, have_getnameinfo=no) if test $have_getnameinfo = yes; then AC_MSG_RESULT([yes]) AC_DEFINE(HAVE_GETNAMEINFO, [1], [Define to 1 if you have a good `getnameinfo' function.]) else AC_MSG_RESULT([no]) fi AC_CHECK_FUNCS([getipnodebyname getipnodebyaddr gethostbyname2]) AC_CHECK_FUNCS([ieee_handler fpsetmask finite isnan isinf res_gethostbyname dlopen \ pread pwrite writev memmove strerror strerror_r strncasecmp \ gethrtime localtime_r gmtime_r inet_pton mmap mremap memcpy mallopt \ sbrk _sbrk __sbrk brk _brk __brk \ flockfile fstat strlcpy strlcat setsid posix2time setlocale nl_langinfo poll]) AC_CHECK_DECLS([posix2time],,,[#include <time.h>]) disable_vfork=false if test "x$EMU_THR_LIB_NAME" != "x"; then AC_MSG_CHECKING([if vfork is known to hang multithreaded applications]) case $host_os in osf*) AC_MSG_RESULT(yes) disable_vfork=true;; *) AC_MSG_RESULT(no);; esac fi if test $disable_vfork = false; then AC_FUNC_VFORK if test $ac_cv_func_vfork_works = no; then disable_vfork=true fi fi if test $disable_vfork = true; then AC_DEFINE(DISABLE_VFORK, 1, [Define if you want to disable vfork.]) fi AC_FUNC_VPRINTF dnl The AC_DEFINEs are necessary for autoheader to work. :-( dnl for gzio LM_CHECK_FUNC_DECL(fread, [extern int fread();],, AC_DEFINE(HAVE_CONFLICTING_FREAD_DECLARATION,[1],[Define if you have a decl of fread that conflicts with int fread])) dnl Checking with TRY_LINK since putc_unlocked might be (probably is) a macro AC_CACHE_CHECK([for putc_unlocked], erts_cv_putc_unlocked, AC_TRY_LINK([#include <stdio.h>], [int res = putc_unlocked('x',stdout);], erts_cv_putc_unlocked=yes, erts_cv_putc_unlocked=no)) if test $erts_cv_putc_unlocked = yes; then AC_DEFINE(HAVE_PUTC_UNLOCKED, 1, [Define if you have putc_unlocked]) fi dnl Checking with TRY_LINK since fwrite_unlocked might be a macro AC_CACHE_CHECK([for fwrite_unlocked], erts_cv_fwrite_unlocked, AC_TRY_LINK([#include <stdio.h>], [size_t res = fwrite_unlocked(NULL,sizeof(char),0,stdout);], erts_cv_fwrite_unlocked=yes, erts_cv_fwrite_unlocked=no)) if test $erts_cv_fwrite_unlocked = yes; then AC_DEFINE(HAVE_FWRITE_UNLOCKED, 1, [Define if you have fwrite_unlocked]) fi dnl Need by run_erl. AC_CHECK_FUNCS([openpty]) AC_CHECK_HEADERS(net/if_dl.h ifaddrs.h netpacket/packet.h) AC_CHECK_FUNCS([getifaddrs]) dnl ---------------------------------------------------------------------- dnl Checks for features/quirks in the system that affects Erlang. dnl ---------------------------------------------------------------------- AC_MSG_CHECKING([for sched_getaffinity/sched_setaffinity]) AC_TRY_COMPILE([#include <sched.h>], [ #ifndef CPU_SETSIZE #error no CPU_SETSIZE #endif int res; cpu_set_t cpuset; CPU_ZERO(&cpuset); CPU_SET(1, &cpuset); res = sched_setaffinity(0, sizeof(cpu_set_t), &cpuset); res = sched_getaffinity(0, sizeof(cpu_set_t), &cpuset); res = CPU_ISSET(1, &cpuset); CPU_CLR(1, &cpuset); ], sched_xetaffinity=yes, sched_xetaffinity=no) AC_MSG_RESULT([$sched_xetaffinity]) if test $sched_xetaffinity = yes; then AC_DEFINE(HAVE_SCHED_xETAFFINITY, 1, [Define if you have sched_getaffinity/sched_setaffinity]) fi AC_MSG_CHECKING([for pset functionality]) AC_TRY_COMPILE([#include <sys/pset.h>], [ int res; psetid_t id = PS_MYID; int type = PS_PRIVATE; uint_t numcpus = 1024; processorid_t cpulist[1024]; res = pset_info(id, &type, &numcpus, &cpulist[0]); ], pset_functionality=yes, pset_functionality=no) AC_MSG_RESULT([$pset_functionality]) if test $pset_functionality = yes; then AC_DEFINE(HAVE_PSET, 1, [Define if you have pset functionality]) fi AC_MSG_CHECKING([for processor_bind functionality]) AC_TRY_COMPILE([ #include <sys/types.h> #include <sys/processor.h> #include <sys/procset.h> ], [ int res = processor_bind(P_LWPID, P_MYID, PBIND_NONE, NULL); ], processor_bind_functionality=yes, processor_bind_functionality=no) AC_MSG_RESULT([$processor_bind_functionality]) if test $processor_bind_functionality = yes; then AC_DEFINE(HAVE_PROCESSOR_BIND, 1, [Define if you have processor_bind functionality]) fi AC_MSG_CHECKING([for cpuset_getaffinity/cpuset_setaffinity]) AC_TRY_COMPILE([ #include <sys/param.h> #include <sys/cpuset.h> ], [ int res; cpuset_t cpuset; CPU_ZERO(&cpuset); CPU_SET(1, &cpuset); res = cpuset_setaffinity(CPU_LEVEL_WHICH, CPU_WHICH_PID, -1, sizeof(cpuset_t), &cpuset); res = cpuset_getaffinity(CPU_LEVEL_WHICH, CPU_WHICH_PID, -1, sizeof(cpuset_t), &cpuset); res = CPU_ISSET(1, &cpuset); CPU_CLR(1, &cpuset); ], cpuset_xetaffinity=yes, cpuset_xetaffinity=no) AC_MSG_RESULT([$cpuset_xetaffinity]) if test $cpuset_xetaffinity = yes; then AC_DEFINE(HAVE_CPUSET_xETAFFINITY, 1, [Define if you have cpuset_getaffinity/cpuset_setaffinity]) fi AC_CACHE_CHECK([for 'end' symbol], erts_cv_have_end_symbol, [AC_TRY_LINK([], [extern char end; {char *x = &end; *x= 0;}], erts_cv_have_end_symbol=yes, erts_cv_have_end_symbol=no)]) if test $erts_cv_have_end_symbol = yes; then AC_DEFINE(HAVE_END_SYMBOL, 1, [Define if you have the 'end' symbol]) fi AC_CACHE_CHECK([for '_end' symbol], erts_cv_have__end_symbol, [AC_TRY_LINK([], [extern char _end; {char *x = &_end; *x= 0;}], erts_cv_have__end_symbol=yes, erts_cv_have__end_symbol=no)]) if test $erts_cv_have__end_symbol = yes; then AC_DEFINE(HAVE__END_SYMBOL, 1, [Define if you have the '_end' symbol]) fi AC_CACHE_CHECK([if __after_morecore_hook can track malloc()s core memory use], erts_cv___after_morecore_hook_can_track_malloc, [AC_TRY_RUN([ #include <stdlib.h> #ifdef HAVE_MALLOC_H # include <malloc.h> #endif #if defined(HAVE_END_SYMBOL) extern char end; #elif defined(HAVE__END_SYMBOL) extern char _end; #endif #ifndef USE_THREADS #undef ETHR_PTHREADS #endif #ifdef ETHR_PTHREADS # ifdef ETHR_HAVE_PTHREAD_H # include <pthread.h> # else # ifdef ETHR_HAVE_MIT_PTHREAD_H # include <pthread/mit/pthread.h> # endif # endif # define N_THR 5 #else # define N_THR 1 #endif static char *heap_start = NULL; static char *heap_end = NULL; void update_heap_size(void) { heap_end = (char *) sbrk(0); } void init_hook(void) { #if defined(HAVE_END_SYMBOL) heap_start = &end; #elif defined(HAVE__END_SYMBOL) heap_start = &_end; #else heap_start = sbrk(0); #endif __after_morecore_hook = update_heap_size; } void (*__malloc_initialize_hook) (void) = init_hook; static int check_malloc(int size) { char *p = (char *) malloc(size); if (!heap_start || !heap_end) return 0; if (!p) return 0; if (p < heap_start || heap_end <= p) return 0; if (p + size < heap_start || heap_end < p + size) return 0; return 1; } #ifdef ETHR_PTHREADS pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER; #endif static void * do_tests(void *vresp) { int i, ok = 0; #ifdef ETHR_PTHREADS if (pthread_mutex_lock(&mutex) != 0) return NULL; #endif for (i = 0; i < 10; i++) if (!check_malloc(1000)) goto failed; for (i = 0; i < 100; i++) if (!check_malloc(1)) goto failed; if (!check_malloc(1024*1024+1)) goto failed; if (!check_malloc(10*1024*1024+1)) goto failed; ok = 1; failed: #ifdef ETHR_PTHREADS if (pthread_mutex_unlock(&mutex) != 0) return NULL; #endif if (ok) *((int *) vresp) = 0; return NULL; } int main(void) { int res[N_THR], i; #ifdef ETHR_PTHREADS pthread_t tid[N_THR]; #endif #if defined(HAVE_MALLOPT) && defined(M_MMAP_MAX) (void) mallopt(M_MMAP_MAX, 0); #endif for (i = 0; i < N_THR; i++) res[i] = 1; #ifdef ETHR_PTHREADS for (i = 1; i < N_THR; i++) if (pthread_create(&tid[i], NULL, do_tests, &res[i]) != 0) return 1; #endif (void) do_tests(&res[0]); #ifdef ETHR_PTHREADS for (i = 1; i < N_THR; i++) if (pthread_join(tid[i], NULL) != 0) return 1; #endif for (i = 0; i < N_THR; i++) if (res[i]) return 1; return 0; } ], erts_cv___after_morecore_hook_can_track_malloc=yes, erts_cv___after_morecore_hook_can_track_malloc=no, [ case X$erl_xcomp_after_morecore_hook in X) erts_cv___after_morecore_hook_can_track_malloc=cross;; Xyes|Xno) erts_cv___after_morecore_hook_can_track_malloc=$erl_xcomp_after_morecore_hook;; *) AC_MSG_ERROR([Bad erl_xcomp_after_morecore_hook value: $erl_xcomp_after_morecore_hook]);; esac ] )]) case $erts_cv___after_morecore_hook_can_track_malloc in yes) AC_DEFINE(ERTS___AFTER_MORECORE_HOOK_CAN_TRACK_MALLOC, 1, \ [Define if __after_morecore_hook can track malloc()s core memory use.]);; cross) AC_MSG_WARN([result no guessed because of cross compilation]);; *) ;; esac if test "x$ac_cv_func_sbrk" = "xyes"; then AC_CACHE_CHECK([types of sbrk()s return value and argument], erts_cv_sbrk_ret_arg_types, [ erts_cv_sbrk_ret_arg_types=unknown ret_types="void *,char *" arg_types="intptr_t,ptrdiff_t,int,long" save_ifs="$IFS"; IFS="," for rtype in $ret_types; do for atype in $arg_types; do IFS=$save_ifs AC_TRY_COMPILE([#include <sys/types.h> #include <unistd.h>], [$rtype sbrk($atype incr);], [erts_cv_sbrk_ret_arg_types="$rtype,$atype"]) IFS="," if test "$erts_cv_sbrk_ret_arg_types" != "unknown"; then break 2 fi done done IFS=$save_ifs]) if test "$erts_cv_sbrk_ret_arg_types" != "unknown"; then save_ifs="$IFS"; IFS="," read ret_type arg_type <<EOF $erts_cv_sbrk_ret_arg_types EOF IFS=$save_ifs AC_DEFINE_UNQUOTED(SBRK_RET_TYPE, $ret_type, \ [Define the sbrk() return type.]) AC_DEFINE_UNQUOTED(SBRK_ARG_TYPE, $arg_type, \ [Define the sbrk() argument type.]) fi fi if test $ac_cv_func_brk = yes; then AC_CACHE_CHECK([types of brk()s return value and argument], erts_cv_brk_ret_arg_types, [ erts_cv_brk_ret_arg_types=unknown ret_types="int,long,char *,void *" arg_types="void *,const void *,char *,const char *" save_ifs="$IFS"; IFS="," for rtype in $ret_types; do for atype in $arg_types; do IFS=$save_ifs AC_TRY_COMPILE([#include <sys/types.h> #include <unistd.h>], [$rtype brk($atype endds);], [erts_cv_brk_ret_arg_types="$rtype,$atype"]) IFS="," if test "$erts_cv_brk_ret_arg_types" != "unknown"; then break 2 fi done done IFS=$save_ifs]) if test "$erts_cv_brk_ret_arg_types" != "unknown"; then save_ifs="$IFS"; IFS="," read ret_type arg_type <<EOF $erts_cv_brk_ret_arg_types EOF IFS=$save_ifs AC_DEFINE_UNQUOTED(BRK_RET_TYPE, $ret_type, \ [Define the brk() return type.]) AC_DEFINE_UNQUOTED(BRK_ARG_TYPE, $arg_type, \ [Define the brk() argument type.]) fi fi if test $ac_cv_func_sbrk = yes; then AC_CACHE_CHECK([if sbrk()/brk() wrappers can track malloc()s core memory use], erts_cv_brk_wrappers_can_track_malloc, [AC_TRY_RUN([ #include <stdlib.h> #include <sys/types.h> #include <unistd.h> #ifdef HAVE_DLFCN_H # include <dlfcn.h> #endif /* * Our implementation requires that we have sbrk(), and 'end' or '_end'. */ #if !defined(HAVE_SBRK) # error no sbrk() #endif #if defined(HAVE_END_SYMBOL) extern char end; #elif defined(HAVE__END_SYMBOL) extern char _end; #else # error no 'end' nor '_end' #endif #ifndef USE_THREADS #undef ETHR_PTHREADS #endif #ifdef ETHR_PTHREADS # ifdef ETHR_HAVE_PTHREAD_H # include <pthread.h> # else # ifdef ETHR_HAVE_MIT_PTHREAD_H # include <pthread/mit/pthread.h> # endif # endif # define N_THR 5 #else # define N_THR 1 #endif #define SBRK_IMPL(RET_TYPE, SBRK, ARG_TYPE) \ RET_TYPE SBRK (ARG_TYPE); \ static RET_TYPE (*real_ ## SBRK)(ARG_TYPE) = NULL; \ RET_TYPE \ SBRK (ARG_TYPE arg) \ { \ RET_TYPE res; \ if (!real_ ## SBRK) real_ ## SBRK = dlsym(RTLD_NEXT, #SBRK); \ res = (*real_ ## SBRK)(arg); \ if (res != (RET_TYPE) -1) heap_end = (char *) (*real_ ## SBRK)(0); \ return res; \ } #define BRK_IMPL(RET_TYPE, BRK, ARG_TYPE) \ RET_TYPE BRK (ARG_TYPE); \ static RET_TYPE (*real_ ## BRK)(ARG_TYPE) = NULL; \ RET_TYPE \ BRK (ARG_TYPE arg) \ { \ RET_TYPE res; \ if (!real_ ## BRK) real_ ## BRK = dlsym(RTLD_NEXT, #BRK); \ res = (*real_ ## BRK)(arg); \ if (res != (RET_TYPE) -1) heap_end = (char *) arg; \ return res; \ } static char *heap_start = NULL; static char *heap_end = NULL; SBRK_IMPL(SBRK_RET_TYPE, sbrk, SBRK_ARG_TYPE) #ifdef HAVE_BRK BRK_IMPL(BRK_RET_TYPE, brk, BRK_ARG_TYPE) #endif #ifdef HAVE__SBRK SBRK_IMPL(SBRK_RET_TYPE, _sbrk, SBRK_ARG_TYPE) #endif #ifdef HAVE__BRK BRK_IMPL(BRK_RET_TYPE, _brk, BRK_ARG_TYPE) #endif #ifdef HAVE___SBRK SBRK_IMPL(SBRK_RET_TYPE, __sbrk, SBRK_ARG_TYPE) #endif #ifdef HAVE___BRK BRK_IMPL(BRK_RET_TYPE, __brk, BRK_ARG_TYPE) #endif static int check_malloc(int size) { char *p = (char *) malloc(size); if (!heap_start || !heap_end) return 0; if (!p) return 0; if (p < heap_start || heap_end <= p) return 0; if (p + size < heap_start || heap_end < p + size) return 0; return 1; } #ifdef ETHR_PTHREADS pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER; #endif static void * do_tests(void *vresp) { int i, ok = 0; #ifdef ETHR_PTHREADS if (pthread_mutex_lock(&mutex) != 0) return NULL; #endif for (i = 0; i < 10; i++) if (!check_malloc(1000)) goto failed; for (i = 0; i < 100; i++) if (!check_malloc(1)) goto failed; if (!check_malloc(1024*1024+1)) goto failed; if (!check_malloc(10*1024*1024+1)) goto failed; ok = 1; failed: #ifdef ETHR_PTHREADS if (pthread_mutex_unlock(&mutex) != 0) return NULL; #endif if (ok) *((int *) vresp) = 0; return NULL; } int main(void) { int res[N_THR], i; #ifdef ETHR_PTHREADS pthread_t tid[N_THR]; #endif #if defined(HAVE_END_SYMBOL) heap_start = &end; #elif defined(HAVE__END_SYMBOL) heap_start = &_end; #endif #if defined(HAVE_MALLOPT) && defined(M_MMAP_MAX) (void) mallopt(M_MMAP_MAX, 0); #endif for (i = 0; i < N_THR; i++) res[i] = 1; #ifdef ETHR_PTHREADS for (i = 1; i < N_THR; i++) if (pthread_create(&tid[i], NULL, do_tests, &res[i]) != 0) return 1; #endif (void) do_tests(&res[0]); #ifdef ETHR_PTHREADS for (i = 1; i < N_THR; i++) if (pthread_join(tid[i], NULL) != 0) return 1; #endif for (i = 0; i < N_THR; i++) if (res[i]) return 1; return 0; } ], erts_cv_brk_wrappers_can_track_malloc=yes, erts_cv_brk_wrappers_can_track_malloc=no, [ case X$erl_xcomp_dlsym_brk_wrappers in X) erts_cv_brk_wrappers_can_track_malloc=cross;; Xyes|Xno) erts_cv_brk_wrappers_can_track_malloc=$erl_xcomp_dlsym_brk_wrappers;; *) AC_MSG_ERROR([Bad erl_xcomp_dlsym_brk_wrappers value: $erl_xcomp_dlsym_brk_wrappers]);; esac ])]) case $erts_cv_brk_wrappers_can_track_malloc in yes) AC_DEFINE(ERTS_BRK_WRAPPERS_CAN_TRACK_MALLOC, 1, \ [Define if sbrk()/brk() wrappers can track malloc()s core memory use]);; cross) AC_MSG_WARN([result no guessed because of cross compilation]);; *) ;; esac fi dnl Restore LIBS LIBS=$saved_libs dnl restore CPPFLAGS CPPFLAGS=$saved_cppflags LM_SYS_IPV6 LM_SYS_MULTICAST ERL_TIME_CORRECTION AC_CHECK_PROG(M4, m4, m4) dnl check to auto-enable hipe here... if test "$cross_compiling" != "yes" && test X${enable_hipe} != Xno; then if test -z "$M4"; then enable_hipe=no AC_MSG_NOTICE([HiPE disabled as no valid m4 is found in PATH]) elif test "$enable_halfword_emulator" = "yes"; then if test X${enable_hipe} = Xyes; then AC_MSG_ERROR([HiPE can not be combined with halfword emulator (yet)]) else AC_MSG_NOTICE([HiPE auto-disabled on halfword emulator]) fi else case "$ARCH-$OPSYS" in x86-linux|amd64-linux|x86-darwin*|amd64-darwin*|ppc-linux|ppc64-linux|ppc-darwin|arm-linux|amd64-freebsd|x86-freebsd|x86-sol2|amd64-sol2|ultrasparc-linux) enable_hipe=yes ;; esac fi fi case $ARCH-$OPSYS in amd64-darwin*|x86-darwin*) AC_MSG_CHECKING([For modern (leopard) style mcontext_t]) AC_TRY_COMPILE([ #include <stdlib.h> #include <sys/types.h> #include <unistd.h> #include <mach/mach.h> #include <pthread.h> #include <machine/signal.h> #include <ucontext.h> ],[ #if defined(__APPLE__) && defined(__MACH__) && !defined(__DARWIN__) #define __DARWIN__ 1 #endif #ifndef __DARWIN__ #error inpossible #else mcontext_t mc = NULL; int x = mc->__fs.__fpu_mxcsr; #endif ],darwin_mcontext_leopard=yes, darwin_mcontext_leopard=no) if test X"$darwin_mcontext_leopard" = X"yes"; then AC_DEFINE(DARWIN_MODERN_MCONTEXT,[],[Modern style mcontext_t in MacOSX]) AC_MSG_RESULT(yes) else AC_MSG_RESULT(no) fi ;; *) darwin_mcontext_leopard=no ;; esac if test X${enable_fp_exceptions} = Xauto ; then case $host_os in darwin*) enable_fp_exceptions=no AC_MSG_NOTICE([Floating point exceptions disabled by default on MacOS X]) ;; *) ;; esac fi if test X${enable_fp_exceptions} = Xauto ; then if test X${enable_hipe} = Xyes; then enable_fp_exceptions=yes else enable_fp_exceptions=no AC_MSG_NOTICE([Floating point exceptions disabled by default in this configuration]) fi fi if test X${enable_fp_exceptions} != Xyes ; then AC_DEFINE(NO_FPE_SIGNALS,[],[Define if floating points exceptions are non-existing/not reliable]) FPE=unreliable else AC_MSG_CHECKING([for unreliable floating point execptions]) AC_TRY_RUN([ /* fpe-test.c */ #include <stdio.h> #include <signal.h> #include <stdlib.h> volatile int erl_fp_exception; /* * We expect a single SIGFPE in this test program. * Getting many more indicates an inadequate SIGFPE handler, * e.g. using the generic handler on x86. */ static void new_fp_exception(void) { if (++erl_fp_exception > 50) { fprintf(stderr, "SIGFPE loop detected, bailing out\n"); exit(1); } } /* Is there no standard identifier for Darwin/MacOSX ? */ #if defined(__APPLE__) && defined(__MACH__) && !defined(__DARWIN__) #define __DARWIN__ 1 #endif /* * Implement unmask_fpe() and check_fpe() based on CPU/OS combination */ #if (defined(__i386__) || defined(__x86_64__)) && defined(__GNUC__) && !defined(__CYGWIN__) && !defined(__MINGW32__) static void unmask_x87(void) { unsigned short cw; __asm__ __volatile__("fstcw %0" : "=m"(cw)); cw &= ~(0x01|0x04|0x08); /* unmask IM, ZM, OM */ __asm__ __volatile__("fldcw %0" : : "m"(cw)); } static void unmask_sse2(void) { unsigned int mxcsr; __asm__ __volatile__("stmxcsr %0" : "=m"(mxcsr)); mxcsr &= ~(0x003F|0x0680); /* clear exn flags, unmask OM, ZM, IM (not PM, UM, DM) */ __asm__ __volatile__("ldmxcsr %0" : : "m"(mxcsr)); } #if defined(__x86_64__) static inline int cpu_has_sse2(void) { return 1; } #else /* !__x86_64__ */ /* * Check if an x86-32 processor has SSE2. */ static unsigned int xor_eflags(unsigned int mask) { unsigned int eax, edx; eax = mask; /* eax = mask */ __asm__("pushfl\n\t" "popl %0\n\t" /* edx = original EFLAGS */ "xorl %0, %1\n\t" /* eax = mask ^ EFLAGS */ "pushl %1\n\t" "popfl\n\t" /* new EFLAGS = mask ^ original EFLAGS */ "pushfl\n\t" "popl %1\n\t" /* eax = new EFLAGS */ "xorl %0, %1\n\t" /* eax = new EFLAGS ^ old EFLAGS */ "pushl %0\n\t" "popfl" /* restore original EFLAGS */ : "=d"(edx), "=a"(eax) : "1"(eax)); return eax; } static __inline__ unsigned int cpuid_eax(unsigned int op) { unsigned int eax, save_ebx; /* In PIC mode i386 reserves EBX. So we must save and restore it ourselves to not upset gcc. */ __asm__( "movl %%ebx, %1\n\t" "cpuid\n\t" "movl %1, %%ebx" : "=a"(eax), "=m"(save_ebx) : "0"(op) : "cx", "dx"); return eax; } static __inline__ unsigned int cpuid_edx(unsigned int op) { unsigned int eax, edx, save_ebx; /* In PIC mode i386 reserves EBX. So we must save and restore it ourselves to not upset gcc. */ __asm__( "movl %%ebx, %2\n\t" "cpuid\n\t" "movl %2, %%ebx" : "=a"(eax), "=d"(edx), "=m"(save_ebx) : "0"(op) : "cx"); return edx; } /* The AC bit, bit #18, is a new bit introduced in the EFLAGS * register on the Intel486 processor to generate alignment * faults. This bit cannot be set on the Intel386 processor. */ static __inline__ int is_386(void) { return ((xor_eflags(1<<18) >> 18) & 1) == 0; } /* Newer x86 processors have a CPUID instruction, as indicated by * the ID bit (#21) in EFLAGS being modifiable. */ static __inline__ int has_CPUID(void) { return (xor_eflags(1<<21) >> 21) & 1; } static int cpu_has_sse2(void) { unsigned int maxlev, features; static int has_sse2 = -1; if (has_sse2 >= 0) return has_sse2; has_sse2 = 0; if (is_386()) return 0; if (!has_CPUID()) return 0; maxlev = cpuid_eax(0); /* Intel A-step Pentium had a preliminary version of CPUID. It also didn't have SSE2. */ if ((maxlev & 0xFFFFFF00) == 0x0500) return 0; /* If max level is zero then CPUID cannot report any features. */ if (maxlev == 0) return 0; features = cpuid_edx(1); has_sse2 = (features & (1 << 26)) != 0; return has_sse2; } #endif /* !__x86_64__ */ static void unmask_fpe(void) { unmask_x87(); if (cpu_has_sse2()) unmask_sse2(); } static __inline__ int check_fpe(double f) { __asm__ __volatile__("fwait" : "=m"(erl_fp_exception) : "m"(f)); if (!erl_fp_exception) return 0; __asm__ __volatile__("fninit"); unmask_fpe(); return 1; } #elif defined(__sparc__) && defined(__linux__) #if defined(__arch64__) #define LDX "ldx" #define STX "stx" #else #define LDX "ld" #define STX "st" #endif static void unmask_fpe(void) { unsigned long fsr; __asm__(STX " %%fsr, %0" : "=m"(fsr)); fsr &= ~(0x1FUL << 23); /* clear FSR[TEM] field */ fsr |= (0x1AUL << 23); /* enable NV, OF, DZ exceptions */ __asm__ __volatile__(LDX " %0, %%fsr" : : "m"(fsr)); } static __inline__ int check_fpe(double f) { __asm__ __volatile__("" : "=m"(erl_fp_exception) : "em"(f)); return erl_fp_exception; } #elif (defined(__powerpc__) && defined(__linux__)) || (defined(__ppc__) && defined(__DARWIN__)) #if defined(__linux__) #include <sys/prctl.h> static void set_fpexc_precise(void) { if (prctl(PR_SET_FPEXC, PR_FP_EXC_PRECISE) < 0) { perror("PR_SET_FPEXC"); exit(1); } } #elif defined(__DARWIN__) #include <mach/mach.h> #include <pthread.h> /* * FE0 FE1 MSR bits * 0 0 floating-point exceptions disabled * 0 1 floating-point imprecise nonrecoverable * 1 0 floating-point imprecise recoverable * 1 1 floating-point precise mode * * Apparently: * - Darwin 5.5 (MacOS X <= 10.1) starts with FE0 == FE1 == 0, * and resets FE0 and FE1 to 0 after each SIGFPE. * - Darwin 6.0 (MacOS X 10.2) starts with FE0 == FE1 == 1, * and does not reset FE0 or FE1 after a SIGFPE. */ #define FE0_MASK (1<<11) #define FE1_MASK (1<<8) /* a thread cannot get or set its own MSR bits */ static void *fpu_fpe_enable(void *arg) { thread_t t = *(thread_t*)arg; struct ppc_thread_state state; unsigned int state_size = PPC_THREAD_STATE_COUNT; if (thread_get_state(t, PPC_THREAD_STATE, (natural_t*)&state, &state_size) != KERN_SUCCESS) { perror("thread_get_state"); exit(1); } if ((state.srr1 & (FE1_MASK|FE0_MASK)) != (FE1_MASK|FE0_MASK)) { #if 0 /* This would also have to be performed in the SIGFPE handler to work around the MSR reset older Darwin releases do. */ state.srr1 |= (FE1_MASK|FE0_MASK); thread_set_state(t, PPC_THREAD_STATE, (natural_t*)&state, state_size); #else fprintf(stderr, "srr1 == 0x%08x, your Darwin is too old\n", state.srr1); exit(1); #endif } return NULL; /* Ok, we appear to be on Darwin 6.0 or later */ } static void set_fpexc_precise(void) { thread_t self = mach_thread_self(); pthread_t enabler; if (pthread_create(&enabler, NULL, fpu_fpe_enable, &self)) { perror("pthread_create"); } else if (pthread_join(enabler, NULL)) { perror("pthread_join"); } } #endif static void set_fpscr(unsigned int fpscr) { union { double d; unsigned int fpscr[2]; } u; u.fpscr[0] = 0xFFF80000; u.fpscr[1] = fpscr; __asm__ __volatile__("mtfsf 255,%0" : : "f"(u.d)); } static void unmask_fpe(void) { set_fpexc_precise(); set_fpscr(0x80|0x40|0x10); /* VE, OE, ZE; not UE or XE */ } static __inline__ int check_fpe(double f) { __asm__ __volatile__("" : "=m"(erl_fp_exception) : "fm"(f)); return erl_fp_exception; } #else #include <ieeefp.h> #define unmask_fpe() fpsetmask(FP_X_INV | FP_X_OFL | FP_X_DZ) static __inline__ int check_fpe(double f) { __asm__ __volatile__("" : "=m"(erl_fp_exception) : "g"(f)); return erl_fp_exception; } #endif /* * Implement SIGFPE handler based on CPU/OS combination */ #if (defined(__linux__) && (defined(__i386__) || defined(__x86_64__) || defined(__sparc__) || defined(__powerpc__))) || (defined(__DARWIN__) && (defined(__i386__) || defined(__x86_64__) || defined(__ppc__))) || (defined(__FreeBSD__) && (defined(__i386__) || defined(__x86_64__))) || ((defined(__OpenBSD__) || defined(__NetBSD__)) && defined(__x86_64__)) || (defined(__sun__) && defined(__x86_64__)) #if defined(__linux__) && defined(__i386__) #if !defined(X86_FXSR_MAGIC) #define X86_FXSR_MAGIC 0x0000 #endif #elif defined(__FreeBSD__) && defined(__i386__) #include <sys/types.h> #include <machine/npx.h> #elif defined(__FreeBSD__) && defined(__x86_64__) #include <sys/types.h> #include <machine/fpu.h> #elif defined(__DARWIN__) #include <machine/signal.h> #elif defined(__OpenBSD__) && defined(__x86_64__) #include <sys/types.h> #include <machine/fpu.h> #endif #if !(defined(__OpenBSD__) && defined(__x86_64__)) #include <ucontext.h> #endif #include <string.h> static void fpe_sig_action(int sig, siginfo_t *si, void *puc) { ucontext_t *uc = puc; #if defined(__linux__) #if defined(__x86_64__) mcontext_t *mc = &uc->uc_mcontext; fpregset_t fpstate = mc->fpregs; fpstate->mxcsr = 0x1F80; fpstate->swd &= ~0xFF; #elif defined(__i386__) mcontext_t *mc = &uc->uc_mcontext; fpregset_t fpstate = mc->fpregs; if ((fpstate->status >> 16) == X86_FXSR_MAGIC) ((struct _fpstate*)fpstate)->mxcsr = 0x1F80; fpstate->sw &= ~0xFF; #elif defined(__sparc__) && defined(__arch64__) /* on SPARC the 3rd parameter points to a sigcontext not a ucontext */ struct sigcontext *sc = (struct sigcontext*)puc; sc->sigc_regs.tpc = sc->sigc_regs.tnpc; sc->sigc_regs.tnpc += 4; #elif defined(__sparc__) /* on SPARC the 3rd parameter points to a sigcontext not a ucontext */ struct sigcontext *sc = (struct sigcontext*)puc; sc->si_regs.pc = sc->si_regs.npc; sc->si_regs.npc = (unsigned long)sc->si_regs.npc + 4; #elif defined(__powerpc__) #if defined(__powerpc64__) mcontext_t *mc = &uc->uc_mcontext; unsigned long *regs = &mc->gp_regs[0]; #else mcontext_t *mc = uc->uc_mcontext.uc_regs; unsigned long *regs = &mc->gregs[0]; #endif regs[PT_NIP] += 4; regs[PT_FPSCR] = 0x80|0x40|0x10; /* VE, OE, ZE; not UE or XE */ #endif #elif defined(__DARWIN__) #if defined(DARWIN_MODERN_MCONTEXT) #if defined(__x86_64__) mcontext_t mc = uc->uc_mcontext; struct __darwin_x86_float_state64 *fpstate = &mc->__fs; fpstate->__fpu_mxcsr = 0x1F80; *(unsigned short *)&fpstate->__fpu_fsw &= ~0xFF; #elif defined(__i386__) mcontext_t mc = uc->uc_mcontext; struct __darwin_i386_float_state *fpstate = &mc->__fs; fpstate->__fpu_mxcsr = 0x1F80; *(unsigned short *)&fpstate->__fpu_fsw &= ~0xFF; #elif defined(__ppc__) mcontext_t mc = uc->uc_mcontext; mc->ss.srr0 += 4; mc->fs.fpscr = 0x80|0x40|0x10; #endif #else #if defined(__x86_64__) mcontext_t mc = uc->uc_mcontext; struct x86_float_state64_t *fpstate = &mc->fs; fpstate->fpu_mxcsr = 0x1F80; *(unsigned short *)&fpstate->fpu_fsw &= ~0xFF; #elif defined(__i386__) mcontext_t mc = uc->uc_mcontext; x86_float_state32_t *fpstate = &mc->fs; fpstate->fpu_mxcsr = 0x1F80; *(unsigned short *)&fpstate->fpu_fsw &= ~0xFF; #elif defined(__ppc__) mcontext_t mc = uc->uc_mcontext; mc->ss.srr0 += 4; mc->fs.fpscr = 0x80|0x40|0x10; #endif #endif #elif defined(__FreeBSD__) && defined(__x86_64__) mcontext_t *mc = &uc->uc_mcontext; struct savefpu *savefpu = (struct savefpu*)&mc->mc_fpstate; struct envxmm *envxmm = &savefpu->sv_env; envxmm->en_mxcsr = 0x1F80; envxmm->en_sw &= ~0xFF; #elif defined(__FreeBSD__) && defined(__i386__) mcontext_t *mc = &uc->uc_mcontext; union savefpu *savefpu = (union savefpu*)&mc->mc_fpstate; if (mc->mc_fpformat == _MC_FPFMT_XMM) { struct envxmm *envxmm = &savefpu->sv_xmm.sv_env; envxmm->en_mxcsr = 0x1F80; envxmm->en_sw &= ~0xFF; } else { struct env87 *env87 = &savefpu->sv_87.sv_env; env87->en_sw &= ~0xFF; } #elif defined(__OpenBSD__) && defined(__x86_64__) struct fxsave64 *fxsave = uc->sc_fpstate; fxsave->fx_mxcsr = 0x1F80; fxsave->fx_fsw &= ~0xFF; #elif defined(__NetBSD__) && defined(__x86_64__) mcontext_t *mc = &uc->uc_mcontext; struct fxsave64 *fxsave = (struct fxsave64 *)&mc->__fpregs; fxsave->fx_mxcsr = 0x1F80; fxsave->fx_fsw &= ~0xFF; #elif defined(__sun__) && defined(__x86_64__) mcontext_t *mc = &uc->uc_mcontext; struct fpchip_state *fpstate = &mc->fpregs.fp_reg_set.fpchip_state; fpstate->mxcsr = 0x1F80; fpstate->sw &= ~0xFF; #endif new_fp_exception(); } static void catch_sigfpe(void) { struct sigaction act; memset(&act, 0, sizeof act); act.sa_sigaction = fpe_sig_action; act.sa_flags = SA_SIGINFO; sigaction(SIGFPE, &act, NULL); } #else static void fpe_sig_handler(int sig) { new_fp_exception(); } static void catch_sigfpe(void) { signal(SIGFPE, fpe_sig_handler); } #endif /* * Generic test code */ static void do_init(void) { catch_sigfpe(); unmask_fpe(); } double a = 3.23e133; double b = 3.57e257; double res; void do_fmul(void) { res = a * b; } int do_check(void) { if (check_fpe(res)) { fprintf(stderr, "res = %g, FPE worked\n", res); return 0; } else { fprintf(stderr, "res = %g, FPE failed\n", res); return 1; } } int main(int argc, const char **argv) { if (argc == 3) { a = atof(argv[1]); b = atof(argv[2]); } do_init(); do_fmul(); return do_check(); } ], erl_ok=yes, erl_ok=no, [ case X$erl_xcomp_reliable_fpe in X) erl_ok=cross;; Xyes|Xno) erl_ok=$erl_xcomp_reliable_fpe;; *) AC_MSG_ERROR([Bad erl_xcomp_reliable_fpe value: $erl_xcomp_reliable_fpe]);; esac ]) if test $erl_ok = yes; then FPE=reliable AC_MSG_RESULT(reliable) else FPE=unreliable AC_MSG_RESULT([unreliable; testing in software instead]) AC_DEFINE(NO_FPE_SIGNALS,[],[Define if floating points exceptions are non-existing/not reliable]) if test $erl_ok = cross; then AC_MSG_WARN([result unreliable guessed because of cross compilation]) fi fi fi dnl dnl Some operating systems allow you to redefine FD_SETSIZE to be able dnl to select on more than the default number of file descriptors. dnl We first discovered this in BSD/OS where the default is ridiculously dnl low (256). But since we use a lot of file descriptors we found the dnl need to go over the limit in other os's as well. Since FD_SETSIZE dnl must be defined before pulling in sys/types.h the actual number dnl of file descriptors is set in acconfig.h and will thus be in config.h dnl which *always* should be included first. dnl AC_MSG_CHECKING([whether to redefine FD_SETSIZE]) case $host_os in bsdi*) AC_DEFINE(REDEFINE_FD_SETSIZE,[],[Define if you wish to redefine FD_SETSIZE to be able to select on more fd]) AC_MSG_RESULT(yes) ;; *) AC_MSG_RESULT(no) ;; esac dnl ---------------------------------------------------------------------- dnl Tests related to configurable options given on command line dnl (using the --disable, --enable and --with switches). dnl ---------------------------------------------------------------------- # # Check if we should compile TSP app # TSP_APP= if test X${enable_tsp} = Xyes; then TSP_APP=tsp fi AC_SUBST(TSP_APP) # # Check if we should build hybrid emulator # AC_MSG_CHECKING([whether a hybrid heap emulator should be built]) case $enable_hybrid_heap-$host_os in yes-*) AC_MSG_RESULT([yes; enabled by user]) ERTS_BUILD_HYBRID_EMU=yes;; no-*) AC_MSG_RESULT([no; disabled by user]) ERTS_BUILD_HYBRID_EMU=no;; *-win32|*-vxworks) # vxworks have their own "configure scripts"... AC_MSG_RESULT([no; default on this platform]) ERTS_BUILD_HYBRID_EMU=no;; *) AC_MSG_RESULT([yes; default on this platform]) ERTS_BUILD_HYBRID_EMU=yes;; esac if test $ERTS_BUILD_HYBRID_EMU = yes; then AC_DEFINE(ERTS_HAVE_HYBRID_EMU, 1, [Define if the hybrid emulator is built]) fi AC_SUBST(ERTS_BUILD_HYBRID_EMU) # # Check if we should enable HiPE. # HIPE_ENABLED= HIPE_HELPERS= dnl if not disabled, autoenable HiPE on known supported platforms dnl done up where floating point is checked, need to descide there already... if test X${enable_hipe} = Xyes; then if test X$ac_cv_sizeof_void_p != X4 -a X$ARCH != Xamd64 -a X$ARCH != Xppc64; then AC_MSG_WARN([HiPE is not supported in 64-bit builds]) else HIPE_ENABLED=yes AC_DEFINE(HIPE,[1],[Define to enable HiPE]) HIPE_HELPERS="xmerl syntax_tools edoc" ENABLE_ALLOC_TYPE_VARS="$ENABLE_ALLOC_TYPE_VARS hipe" fi fi AC_SUBST(HIPE_HELPERS) AC_SUBST(HIPE_ENABLED) # # Check if Erlang libraries should be compiled to native code. # NATIVE_LIBS_ENABLED= if test X${enable_native_libs} = Xyes -a X${HIPE_ENABLED} = Xyes; then NATIVE_LIBS_ENABLED=yes fi AC_SUBST(NATIVE_LIBS_ENABLED) # # Check if HiPE should use a standard installation of perfctr. # AC_SUBST(USE_PERFCTR) if test "x$HIPE_ENABLED" = "xyes" ; then if test "x$with_perfctr" = "x" ; then AC_CHECK_LIB(perfctr, vperfctr_info, [USE_PERFCTR=1 AC_DEFINE(USE_PERFCTR,[1],[Define to enable hrvtime() on Linux systems with perfctr extension])]) elif test "x$with_perfctr" != "xno" ; then USE_PERFCTR=1 fi fi # # Check for working poll(). # AC_MSG_CHECKING([for working poll()]) if test "x$ac_cv_header_poll_h" != "xyes" -o "x$ac_cv_func_poll" != "xyes"; then poll_works=no else AC_TRY_RUN([ #include <poll.h> main() { #ifdef _POLL_EMUL_H_ exit(1); /* Implemented using select() -- fail */ #else struct pollfd fds[1]; int fd; fd = open("/dev/null", 1); fds[0].fd = fd; fds[0].events = POLLIN; fds[0].revents = 0; if (poll(fds, 1, 0) < 0 || (fds[0].revents & POLLNVAL) != 0) { exit(1); /* Does not work for devices -- fail */ } exit(0); #endif } ], poll_works=yes, poll_works=no, [ case X$erl_xcomp_poll in X) poll_works=cross;; Xyes|Xno) poll_works=$erl_xcomp_poll;; *) AC_MSG_ERROR([Bad erl_xcomp_poll value: $erl_xcomp_poll]);; esac ]) fi case $poll_works-$host_os in no-*|cross-darwin*) # # The USE_SELECT define is used by the ssl application (should not # be used by erts). # AC_DEFINE(USE_SELECT, 1, [Define if select() should be used instead of poll()]) if test $poll_works = cross; then AC_MSG_RESULT(cross) AC_MSG_WARN([result no guessed based on OS ($host_os) because of cross compilation]) else AC_MSG_RESULT([no; non-existing, broken, or based on select()]) fi poll_works=no;; yes-*|cross-*) AC_DEFINE(ERTS_USE_POLL, 1, [Define if poll() should be used instead of select()]) if test $poll_works = cross; then AC_MSG_RESULT(cross) AC_MSG_WARN([result yes guessed based on OS ($host_os) because of cross compilation]) else AC_MSG_RESULT(yes) fi poll_works=yes;; esac # # If kqueue() found, check that it can be selected or polled on... # if test $have_kernel_poll = kqueue; then if test $poll_works = yes; then kqueue_with=poll else kqueue_with=select fi AC_MSG_CHECKING([whether kqueue() fd can be ${kqueue_with}()ed on]) AC_TRY_RUN([ #include <stdlib.h> #include <sys/types.h> #include <sys/event.h> #include <sys/time.h> #ifdef ERTS_USE_POLL #include <poll.h> #else #include <unistd.h> #endif int main(void) { int kq = kqueue(); if (kq < 0) return 2; { #ifdef ERTS_USE_POLL struct pollfd pfds = {kq, POLLIN, 0}; if (poll(&pfds, 1, 0) < 0) return 1; #else struct timeval tv = {0, 0}; fd_set set; FD_ZERO(&set); FD_SET(kq, &set); if (select(kq+1, &set, NULL, NULL, &tv) < 0) return 1; #endif } return 0; } ], ok_kqueue=yes, ok_kqueue=no, [ case X$erl_xcomp_kqueue in X) ok_kqueue=cross;; Xyes|Xno) ok_kqueue=$erl_xcomp_kqueue;; *) AC_MSG_ERROR([Bad erl_xcomp_kqueue value: $erl_xcomp_kqueue]);; esac ]) AC_MSG_RESULT($ok_kqueue); case $ok_kqueue in yes) ;; cross) have_kernel_poll=no AC_MSG_WARN([result no guessed because of cross compilation]);; *) have_kernel_poll=no;; esac fi # # If epoll() found, check that it is level triggered. # if test $have_kernel_poll = epoll; then AC_MSG_CHECKING([whether epoll is level triggered]) AC_TRY_COMPILE([#include <sys/epoll.h>],[ #ifdef EPOLLET /* Edge triggered option exist, assume level triggered is default */ ; #else /* No edge triggered option exist; assume edge triggered only */ #error No EPOLLET #endif ], level_triggered_epoll=yes, [level_triggered_epoll=no have_kernel_poll=no]) AC_MSG_RESULT([$level_triggered_epoll]) fi # # Check if we should enable kernel poll support # AC_MSG_CHECKING(whether kernel poll support should be enabled) ERTS_ENABLE_KERNEL_POLL=no case $enable_kernel_poll-$have_kernel_poll in no-*) AC_MSG_RESULT(no; disabled by user);; yes-no) AC_MSG_ERROR(no; kernel poll support requested but not found);; *-no) AC_MSG_RESULT(no);; *) case $have_kernel_poll in epoll) AC_DEFINE(HAVE_SYS_EPOLL_H, 1, [Define if you have the <sys/epoll.h> header file.]);; /dev/poll) AC_DEFINE(HAVE_SYS_DEVPOLL_H, 1, [Define if you have <sys/devpoll.h> header file.]);; kqueue) AC_DEFINE(HAVE_SYS_EVENT_H, 1, [Define if you have <sys/event.h> header file.]);; *) AC_MSG_ERROR(configure.in need to be updated);; esac ERTS_ENABLE_KERNEL_POLL=yes AC_DEFINE(ERTS_ENABLE_KERNEL_POLL, 1, [Define if you have kernel poll and want to use it]) AC_MSG_RESULT([yes; $have_kernel_poll]);; esac AC_SUBST(ERTS_ENABLE_KERNEL_POLL) AC_MSG_CHECKING([whether putenv() stores a copy of the key-value pair]) AC_TRY_RUN([ #include <stdlib.h> int main(void) { int i; char *env; char buf[10]; for (i = 0; i < 7; i++) buf[i] = 'X'; buf[i] = '\0'; buf[3] = '='; if (putenv(buf) != 0) return 1; for (i = 4; i < 7; i++) buf[i] = 'Y'; env = getenv("XXX"); if (!env) return 2; for (i = 0; i < 3; i++) if (env[i] != 'X') return 3; for (i = 0; i < 3; i++) buf[i] = 'Y'; env = getenv("XXX"); if (!env) return 4; for (i = 0; i < 3; i++) if (env[i] != 'X') return 5; return 0; } ], copying_putenv=yes, copying_putenv=no, [ case X$erl_xcomp_putenv_copy in X) copying_putenv=cross;; Xyes|Xno) copying_putenv=$erl_xcomp_putenv_copy;; *) AC_MSG_ERROR([Bad erl_xcomp_putenv_copy value: $erl_xcomp_putenv_copy]);; esac ]) AC_MSG_RESULT($copying_putenv) case $copying_putenv in yes) AC_DEFINE(HAVE_COPYING_PUTENV,[1],\ [Define if you have a putenv() that stores a copy of the key-value pair]);; cross) AC_MSG_WARN([result no guessed because of cross compilation]);; *) ;; esac dnl ---------------------------------------------------------------------- dnl Stuff that should be moved into their respective application dnl ---------------------------------------------------------------------- dnl crypto #-------------------------------------------------------------------- # Dynamic Erlang Drivers # # Linking to produce dynamic Erlang drivers to be loaded by Erlang's # Dynamic Driver Loader and Linker (DDLL). Below the prefix DED is an # abbreviation for `Dynamic Erlang Driver'. # # For DED we need something quite sloppy, which allows undefined references # (notably driver functions) in the resulting shared library. # Example of Makefile rule (and settings of macros): # # LIBS = @LIBS@ # LD = @DED_LD@ # LDFLAGS = @DED_LDFLAGS@ # soname = @ldsoname@ # # my_drv.so: my_drv.o my_utils.o # $(LD) $(LDFLAGS) $(soname) $@ -o $@ $^ -lc $(LIBS) # #-------------------------------------------------------------------- DED_SYS_INCLUDE="-I${ERL_TOP}/erts/emulator/beam -I${ERL_TOP}/erts/include -I${ERL_TOP}/erts/include/$host -I${ERL_TOP}/erts/include/internal -I${ERL_TOP}/erts/include/internal/$host -I${ERL_TOP}/erts/emulator/sys/$ERLANG_OSTYPE" if test "X$ETHR_DEFS" = "X"; then DED_THR_DEFS="-D_THREAD_SAFE -D_REENTRANT" else DED_THR_DEFS="$ETHR_DEFS" fi DED_EMU_THR_DEFS=$EMU_THR_DEFS DED_CFLAGS="$CFLAGS $CPPFLAGS" if test "x$GCC" = xyes; then DED_CFLAGS="$DED_CFLAGS -fPIC" fi DED_EXT=so case $host_os in win32) DED_EXT=dll;; darwin*) DED_CFLAGS="$DED_CFLAGS -fno-common" if test "X$STATIC_CFLAGS" = "X"; then STATIC_CFLAGS="-mdynamic-no-pic" fi;; *) ;; esac # If DED_LD is set in environment, we expect all DED_LD* variables # to be specified (cross compiling) if test "x$DED_LD" = "x"; then DED_LD_FLAG_RUNTIME_LIBRARY_PATH="-R" case $host_os in win32) DED_LD="ld.sh" DED_LDFLAGS="-dll" DED_LD_FLAG_RUNTIME_LIBRARY_PATH= ;; solaris2*|sysv4*) DED_LDFLAGS="-G" if test X${enable_m64_build} = Xyes; then DED_LDFLAGS="-64 $DED_LDFLAGS" fi ;; aix4*) DED_LDFLAGS="-G -bnoentry -bexpall" ;; freebsd2*) # Non-ELF GNU linker DED_LDFLAGS="-Bshareable" ;; darwin*) # Mach-O linker: a shared lib and a loadable # object file is not the same thing. DED_LDFLAGS="-bundle -flat_namespace -undefined suppress" case $ARCH in amd64) DED_LDFLAGS="-m64 $DED_LDFLAGS" ;; *) if test X${enable_darwin_universal} != Xyes; then DED_LDFLAGS="-m32 $DED_LDFLAGS" fi ;; esac if test X${enable_darwin_universal} = Xyes; then DED_LDFLAGS="-arch ppc -arch i386 $DED_LDFLAGS" fi DED_LD="$CC" DED_LD_FLAG_RUNTIME_LIBRARY_PATH="$CFLAG_RUNTIME_LIBRARY_PATH" ;; linux*) DED_LD="$CC" DED_LD_FLAG_RUNTIME_LIBRARY_PATH="$CFLAG_RUNTIME_LIBRARY_PATH" DED_LDFLAGS="-shared -Wl,-Bsymbolic" if test X${enable_m64_build} = Xyes; then DED_LDFLAGS="-m64 $DED_LDFLAGS" fi; if test X${enable_m32_build} = Xyes; then DED_LDFLAGS="-m32 $DED_LDFLAGS" fi ;; freebsd*) DED_LD="$CC" DED_LD_FLAG_RUNTIME_LIBRARY_PATH="$CFLAG_RUNTIME_LIBRARY_PATH" DED_LDFLAGS="-shared" if test X${enable_m64_build} = Xyes; then DED_LDFLAGS="-m64 $DED_LDFLAGS" fi; if test X${enable_m32_build} = Xyes; then DED_LDFLAGS="-m32 $DED_LDFLAGS" fi ;; osf*) # NOTE! Whitespace after -rpath is important. DED_LD_FLAG_RUNTIME_LIBRARY_PATH="-rpath " DED_LDFLAGS="-shared -expect_unresolved '*'" ;; *) # assume GNU linker and ELF DED_LDFLAGS="-shared" # GNU linker has no option for 64bit build, should not propagate -m64 ;; esac if test "$DED_LD" = "" && test "$USER_LD" != ""; then DED_LD="$USER_LD" DED_LDFLAGS="$USER_LDFLAGS $DED_LDFLAGS" fi fi # "x$DED_LD" = "x" AC_CHECK_TOOL(DED_LD, ld, false) test "$DED_LD" != "false" || AC_MSG_ERROR([No linker found]) AC_MSG_CHECKING(for compiler flags for loadable drivers) AC_MSG_RESULT([$DED_CFLAGS]) AC_MSG_CHECKING(for linker for loadable drivers) AC_MSG_RESULT([$DED_LD]) AC_MSG_CHECKING(for linker flags for loadable drivers) AC_MSG_RESULT([$DED_LDFLAGS]) AC_MSG_CHECKING(for 'runtime library path' linker flag) if test "x$DED_LD_FLAG_RUNTIME_LIBRARY_PATH" != "x"; then AC_MSG_RESULT([$DED_LD_FLAG_RUNTIME_LIBRARY_PATH]) else AC_MSG_RESULT([not found]) fi AC_SUBST(DED_EXT) AC_SUBST(DED_SYS_INCLUDE) AC_SUBST(DED_CFLAGS) AC_SUBST(DED_LD) AC_SUBST(DED_LDFLAGS) AC_SUBST(DED_LD_FLAG_RUNTIME_LIBRARY_PATH) AC_SUBST(DED_THR_DEFS) AC_SUBST(DED_EMU_THR_DEFS) AC_SUBST(STATIC_CFLAGS) dnl dnl We should look for a compiler that handles jump tables, for beam_emu dnl to be optimized dnl LM_FIND_EMU_CC dnl dnl SSL, SSH and CRYPTO need the OpenSSL libraries dnl dnl Check flags --with-ssl, --without-ssl --with-ssl=PATH. dnl If no option is given or --with-ssl is set without a path then we dnl search for OpenSSL libraries and header files in the standard locations. dnl If set to --without-ssl we disable the use of SSL, SSH and CRYPTO. dnl If set to --with-ssl=PATH we use that path as the prefix, i.e. we dnl use "PATH/include" and "PATH/lib". AC_SUBST(SSL_INCLUDE) AC_SUBST(SSL_ROOT) AC_SUBST(SSL_LIBDIR) AC_SUBST(SSL_CRYPTO_LIBNAME) AC_SUBST(SSL_SSL_LIBNAME) AC_SUBST(SSL_CC_RUNTIME_LIBRARY_PATH) AC_SUBST(SSL_LD_RUNTIME_LIBRARY_PATH) AC_SUBST(SSL_DED_LD_RUNTIME_LIBRARY_PATH) AC_SUBST(SSL_DYNAMIC_ONLY) AC_SUBST(SSL_LINK_WITH_KERBEROS) AC_SUBST(STATIC_KERBEROS_LIBS) AC_SUBST(SSL_LINK_WITH_ZLIB) AC_SUBST(STATIC_ZLIB_LIBS) std_ssl_locations="/usr/local /usr/sfw /usr /opt/local /usr/pkg /usr/local/openssl /usr/lib/openssl /usr/openssl /usr/local/ssl /usr/lib/ssl /usr/ssl" AC_ARG_WITH(ssl-zlib, AS_HELP_STRING([--with-ssl-zlib=PATH], [specify location of ZLib to be used by OpenSSL]) AS_HELP_STRING([--with-ssl-zlib], [link SSL with Zlib (default if found)]) AS_HELP_STRING([--without-ssl-zlib], [don't link SSL with ZLib])) if test "x$with_ssl_zlib" = "xno"; then SSL_LINK_WITH_ZLIB=no STATIC_ZLIB_LIBS= elif test "x$with_ssl_zlib" = "xyes" || test "x$with_ssl_zlib" = "x"; then if test $erl_xcomp_without_sysroot = yes; then AC_MSG_WARN([Cannot search for zlib; missing cross system root (erl_xcomp_sysroot).]) SSL_LINK_WITH_ZLIB=no STATIC_ZLIB_LIBS= elif test "x$MIXED_CYGWIN" = "xyes" -o "x$MIXED_MSYS" = "xyes"; then SSL_LINK_WITH_ZLIB=no STATIC_ZLIB_LIBS= else SSL_LINK_WITH_ZLIB=no STATIC_ZLIB_LIBS= AC_MSG_CHECKING(for static ZLib to be used by SSL in standard locations) for rdir in $std_ssl_locations; do dir="$erl_xcomp_sysroot$rdir" if test "x$ac_cv_sizeof_void_p" = "x8"; then if test -f "$dir/lib64/libz.a"; then SSL_LINK_WITH_ZLIB=yes STATIC_ZLIB_LIBS="$dir/lib64/libz.a" break elif test -f "$dir/lib/64/libz.a"; then SSL_LINK_WITH_ZLIB=yes STATIC_ZLIB_LIBS="$dir/lib/64/libz.a" break fi fi if test -f "$dir/lib/libz.a"; then SSL_LINK_WITH_ZLIB=yes STATIC_ZLIB_LIBS="$dir/lib/libz.a" break fi done if test "x$SSL_LINK_WITH_ZLIB" = "xno"; then AC_MSG_RESULT([no]) else AC_MSG_RESULT([$STATIC_ZLIB_LIBS]) fi fi else SSL_LINK_WITH_ZLIB=no STATIC_ZLIB_LIBS= if test -f "$with_ssl_zlib/libz.a"; then SSL_LINK_WITH_ZLIB=yes STATIC_ZLIB_LIBS=$with_ssl_zlib/libz.a elif test -f "$with_ssl_zlib/lib/libz.a"; then SSL_LINK_WITH_ZLIB=yes STATIC_ZLIB_LIBS=$with_ssl_zlib/lib/libz.a fi if test "x$ac_cv_sizeof_void_p" = "x8"; then if test -f "$with_ssl_zlib/lib64/libz.a"; then SSL_LINK_WITH_ZLIB=yes STATIC_ZLIB_LIBS=$with_ssl_zlib/lib64/libz.a elif test -f "$with_ssl_zlib/lib/64/libz.a"; then SSL_LINK_WITH_ZLIB=yes STATIC_ZLIB_LIBS=$with_ssl_zlib/lib/64/libz.a fi fi if test "x$SSL_LINK_WITH_ZLIB" = "xno"; then AC_MSG_ERROR(Invalid path to option --with-ssl-zlib=PATH) fi fi AC_ARG_WITH(ssl, AS_HELP_STRING([--with-ssl=PATH], [specify location of OpenSSL include and lib]) AS_HELP_STRING([--with-ssl], [use SSL (default)]) AS_HELP_STRING([--without-ssl], [don't use SSL])) AC_ARG_ENABLE(dynamic-ssl-lib, AS_HELP_STRING([--disable-dynamic-ssl-lib], [disable using dynamic openssl libraries]), [ case "$enableval" in no) enable_dynamic_ssl=no ;; *) enable_dynamic_ssl=yes ;; esac ], enable_dynamic_ssl=yes) #---------------------------------------------------------------------- # We actually might do the SSL tests twice due to late discovery of # kerberos problems with static linking, in case we redo it all trying # dynamic SSL libraries instead. #---------------------------------------------------------------------- ssl_done=no while test "x$ssl_done" != "xyes"; do ssl_done=yes # Default only one run # Remove all SKIP files from previous runs for a in ssl crypto ssh; do /bin/rm -f $ERL_TOP/lib/$a/SKIP done SSL_DYNAMIC_ONLY=$enable_dynamic_ssl case "$erl_xcomp_without_sysroot-$with_ssl" in yes-* | no-no) SSL_APP= CRYPTO_APP= SSH_APP= if test "$with_ssl" = "no"; then skip="User gave --without-ssl option" else skip="Cannot search for ssl; missing cross system root (erl_xcomp_sysroot)." fi for a in ssl crypto ssh; do echo "$skip" > $ERL_TOP/lib/$a/SKIP done ;; no-yes | no- ) # On windows, we could try to find the installation # of Shining Light OpenSSL, which can be found by poking in # the uninstall section in the registry, it's worth a try... extra_dir="" if test "x$MIXED_CYGWIN" = "xyes"; then AC_CHECK_PROG(REGTOOL, regtool, regtool, false) if test "$ac_cv_prog_REGTOOL" != false; then wrp="/machine/software/microsoft/windows/currentversion/" if test "x$ARCH" = "xamd64"; then urp="uninstall/openssl (64-bit)_is1/inno setup: app path" regtool_subsystem=-w else urp="uninstall/openssl (32-bit)_is1/inno setup: app path" regtool_subsystem=-W fi rp="$wrp$urp" if regtool -q $regtool_subsystem get "$rp" > /dev/null; then true else # Fallback to unspecified wordlength urp="uninstall/openssl_is1/inno setup: app path" rp="$wrp$urp" fi if regtool -q $regtool_subsystem get "$rp" > /dev/null; then ssl_install_dir=`regtool -q $regtool_subsystem get "$rp"` # Try hard to get rid of spaces... if cygpath -d "$ssl_install_dir" > /dev/null 2>&1; then ssl_install_dir=`cygpath -d "$ssl_install_dir"` fi extra_dir=`cygpath $ssl_install_dir` fi fi elif test "x$MIXED_MSYS" = "xyes"; then AC_CHECK_PROG(REGTOOL, reg_query.sh, reg_query.sh, false) if test "$ac_cv_prog_REGTOOL" != false; then if test "x$ARCH" = "xamd64"; then rp="HKLM/SOFTWARE/Microsoft/Windows/CurrentVersion/Uninstall/OpenSSL (64-bit)_is1" else rp="HKLM/SOFTWARE/Microsoft/Windows/CurrentVersion/Uninstall/OpenSSL_is1" fi key="Inno Setup: App Path" if "$ac_cv_prog_REGTOOL" "$rp" "$key" > /dev/null; then ssl_install_dir=`"$ac_cv_prog_REGTOOL" "$rp" "$key"` extra_dir=`win2msys_path.sh "$ssl_install_dir"` fi fi fi # We search for OpenSSL in the common OS standard locations. SSL_APP=ssl CRYPTO_APP=crypto SSH_APP=ssh SSL_CRYPTO_LIBNAME=crypto SSL_SSL_LIBNAME=ssl if test "x$MIXED_CYGWIN" = "xyes" -o "x$MIXED_MSYS" = "xyes"; then if test "x$ARCH" = "xamd64"; then std_win_ssl_locations="/cygdrive/c/OpenSSL-Win64 /c/OpenSSL-Win64 /opt/local64/pgm/OpenSSL" else std_win_ssl_locations="/cygdrive/c/OpenSSL-Win32 /c/OpenSSL-Win32 /cygdrive/c/OpenSSL /c/OpenSSL /opt/local/pgm/OpenSSL" fi else std_win_ssl_locations="" fi AC_MSG_CHECKING(for OpenSSL >= 0.9.7 in standard locations) for rdir in $extra_dir $std_win_ssl_locations $std_ssl_locations; do dir="$erl_xcomp_sysroot$rdir" if test -f "$erl_xcomp_isysroot$rdir/include/openssl/opensslv.h"; then is_real_ssl=yes SSL_ROOT="$dir" if test "x$MIXED_CYGWIN" = "xyes" -o "x$MIXED_MSYS" = "xyes"; then if test -f "$dir/lib/VC/libeay32.lib"; then SSL_RUNTIME_LIBDIR="$rdir/lib/VC" SSL_LIBDIR="$dir/lib/VC" SSL_CRYPTO_LIBNAME=libeay32 SSL_SSL_LIBNAME=ssleay32 elif test -f "$dir/lib/VC/openssl.lib"; then SSL_RUNTIME_LIBDIR="$rdir/lib/VC" SSL_LIBDIR="$dir/lib/VC" elif test -f $dir/lib/VC/libeay32MD.lib; then SSL_CRYPTO_LIBNAME=libeay32MD SSL_SSL_LIBNAME=ssleay32MD if test "x$enable_dynamic_ssl" = "xno" && \ test -f $dir/lib/VC/static/libeay32MD.lib; then SSL_RUNTIME_LIBDIR="$rdir/lib/VC/static" SSL_LIBDIR="$dir/lib/VC/static" else SSL_RUNTIME_LIBDIR="$rdir/lib/VC" SSL_LIBDIR="$dir/lib/VC" fi elif test -f "$dir/lib/libeay32.lib"; then SSL_RUNTIME_LIBDIR="$rdir/lib" SSL_LIBDIR="$dir/lib" SSL_CRYPTO_LIBNAME=libeay32 SSL_SSL_LIBNAME=ssleay32 elif test -f "$dir/lib/openssl.lib"; then SSL_RUNTIME_LIBDIR="$rdir/lib" SSL_LIBDIR="$dir/lib" else is_real_ssl=no fi else if test "x$ac_cv_sizeof_void_p" = "x8"; then if test -f "$dir/lib64/libcrypto.a"; then SSL_RUNTIME_LIBDIR="$rdir/lib64" SSL_LIBDIR="$dir/lib64" elif test -f "$dir/lib/64/libcrypto.a"; then SSL_RUNTIME_LIBDIR="$rdir/lib/64" SSL_LIBDIR="$dir/lib/64" elif test -f "$dir/lib64/libcrypto.so"; then SSL_RUNTIME_LIBDIR="$rdir/lib64" SSL_LIBDIR="$dir/lib64" elif test -f "$dir/lib/64/libcrypto.so"; then SSL_RUNTIME_LIBDIR="$rdir/lib/64" SSL_LIBDIR="$dir/lib/64" else SSL_RUNTIME_LIBDIR="$rdir/lib" SSL_LIBDIR="$dir/lib" fi else SSL_RUNTIME_LIBDIR="$rdir/lib" SSL_LIBDIR="$dir/lib" fi fi if test '!' -f $SSL_LIBDIR/libcrypto.a; then SSL_DYNAMIC_ONLY=yes fi SSL_BINDIR="$rdir/bin" if test "x$is_real_ssl" = "xyes" ; then SSL_INCLUDE="-I$dir/include" old_CPPFLAGS=$CPPFLAGS CPPFLAGS=$SSL_INCLUDE AC_EGREP_CPP(yes,[ #include <openssl/opensslv.h> #if OPENSSL_VERSION_NUMBER >= 0x0090700fL yes #endif ],[ ssl_found=yes ],[ SSL_APP= ssl_found=no ]) CPPFLAGS=$old_CPPFLAGS if test "x$ssl_found" = "xyes"; then if test "x$MIXED_CYGWIN" = "xyes" -o "x$MIXED_MSYS" = "xyes"; then ssl_linkable=yes else saveCFLAGS="$CFLAGS" saveLDFLAGS="$LDFLAGS" saveLIBS="$LIBS" CFLAGS="$CFLAGS $SSL_INCLUDE" LDFLAGS="$LDFLAGS -L$SSL_LIBDIR" LIBS="-lcrypto" AC_TRY_LINK([ #include <stdio.h> #include <openssl/hmac.h>], [ HMAC_CTX hc; HMAC_CTX_init(&hc); ], [ssl_linkable=yes], [ssl_linkable=no]) CFLAGS="$saveCFLAGS" LDFLAGS="$saveLDFLAGS" LIBS="$saveLIBS" fi fi if test "x$ssl_found" = "xyes" && test "x$ssl_linkable" = "xyes"; then AC_MSG_RESULT([$dir]) break; fi fi fi done if test "x$ssl_found" != "xyes" ; then dnl dnl If no SSL found above, check whether we are running on OpenBSD. dnl case $host_os in openbsd*) if test -f "$erl_xcomp_isysroot/usr/include/openssl/opensslv.h"; then # Trust OpenBSD to have everything the in the correct locations. ssl_found=yes ssl_linkable=yes SSL_ROOT="$erl_xcomp_sysroot/usr" AC_MSG_RESULT([$SSL_ROOT]) SSL_RUNTIME_LIB="/usr/lib" SSL_LIB="$erl_xcomp_sysroot/usr/lib" SSL_BINDIR="/usr/sbin" dnl OpenBSD requires us to link with -L and -l SSL_DYNAMIC_ONLY="yes" fi ;; esac fi dnl Now, certain linuxes have a 64bit libcrypto dnl that cannot build shared libraries (i.e. not PIC) dnl One could argue that this is wrong, but dnl so it is - be adoptable if test "$ssl_found" = "yes" && test "$ssl_linkable" = "yes" && test "$SSL_DYNAMIC_ONLY" != "yes"; then case $host_os in linux*) saveCFLAGS="$CFLAGS" saveLDFLAGS="$LDFLAGS" saveLIBS="$LIBS" CFLAGS="$DED_CFLAGS $SSL_INCLUDE" LDFLAGS="$DED_LDFLAGS" LIBS="$SSL_LIBDIR/libcrypto.a $STATIC_ZLIB_LIBS" AC_TRY_LINK([ #include <stdio.h> #include <openssl/hmac.h>], [ HMAC_CTX hc; HMAC_CTX_init(&hc); ], [ssl_dyn_linkable=yes], [ssl_dyn_linkable=no]) CFLAGS="$saveCFLAGS" LDFLAGS="$saveLDFLAGS" LIBS="$saveLIBS" if test "x$ssl_dyn_linkable" != "xyes"; then SSL_DYNAMIC_ONLY=yes AC_MSG_WARN([SSL will be linked against dynamic lib as static lib is not purely relocatable]) fi ;; esac fi if test "x$ssl_found" != "xyes" || test "x$ssl_linkable" != "xyes"; then if test "x$ssl_found" = "xyes"; then AC_MSG_RESULT([found; but not usable]) else AC_MSG_RESULT([no]) fi SSL_APP= CRYPTO_APP= SSH_APP= AC_MSG_WARN([No (usable) OpenSSL found, skipping ssl, ssh and crypto applications]) for a in ssl crypto ssh; do echo "No usable OpenSSL found" > $ERL_TOP/lib/$a/SKIP done fi ;; *) # Option given with PATH to package if test ! -d "$with_ssl" ; then AC_MSG_ERROR(Invalid path to option --with-ssl=PATH) fi SSL_ROOT="$with_ssl" SSL_CRYPTO_LIBNAME=crypto SSL_SSL_LIBNAME=ssl if test "x$MIXED_CYGWIN" = "xyes" -o "x$MIXED_MSYS" = "xyes" && test -d "$with_ssl/lib/VC"; then if test -f "$with_ssl/lib/VC/libeay32.lib"; then SSL_LIBDIR="$with_ssl/lib/VC" SSL_CRYPTO_LIBNAME=libeay32 SSL_SSL_LIBNAME=ssleay32 elif test -f "$with_ssl/lib/VC/openssl.lib"; then SSL_LIBDIR="$with_ssl/lib/VC" elif test -f $with_ssl/lib/VC/libeay32MD.lib; then SSL_CRYPTO_LIBNAME=libeay32MD SSL_SSL_LIBNAME=ssleay32MD if test "x$enable_dynamic_ssl" = "xno" && \ test -f $with_ssl/lib/VC/static/libeay32MD.lib; then SSL_LIBDIR="$with_ssl/lib/VC/static" else SSL_LIBDIR="$with_ssl/lib/VC" fi elif test -f "$with_ssl/lib/libeay32.lib"; then SSL_LIBDIR="$with_ssl/lib" SSL_CRYPTO_LIBNAME=libeay32 SSL_SSL_LIBNAME=ssleay32 else # This probably wont work, but that's what the user said, so... SSL_LIBDIR="$with_ssl/lib" fi elif test "x$ac_cv_sizeof_void_p" = "x8"; then if test -f "$with_ssl/lib64/libcrypto.a"; then SSL_LIBDIR="$with_ssl/lib64" elif test -f "$with_ssl/lib/64/libcrypto.a"; then SSL_LIBDIR="$with_ssl/lib/64" elif test -f "$with_ssl/lib64/libcrypto.so"; then SSL_LIBDIR="$with_ssl/lib64" elif test -f "$with_ssl/lib/64/libcrypto.so"; then SSL_LIBDIR="$with_ssl/lib/64" else SSL_LIBDIR="$with_ssl/lib" fi else SSL_LIBDIR="$with_ssl/lib" fi if test '!' -f $SSL_LIBDIR/libcrypto.a; then SSL_DYNAMIC_ONLY=yes fi SSL_INCLUDE="-I$with_ssl/include" SSL_APP=ssl CRYPTO_APP=crypto SSH_APP=ssh if test "$cross_compiling" = "yes"; then SSL_RUNTIME_LIBDIR=`echo "$SSL_LIBDIR" | sed -n "s|^$erl_xcomp_sysroot\(.*\)\$|\1|p"` else SSL_RUNTIME_LIBDIR="$SSL_LIBDIR" fi esac if test "x$SSL_APP" != "x" ; then dnl We found openssl, now check if we use kerberos 5 support AC_MSG_CHECKING(for OpenSSL kerberos 5 support) old_CPPFLAGS=$CPPFLAGS CPPFLAGS=$SSL_INCLUDE AC_EGREP_CPP(yes,[ #include <openssl/opensslconf.h> #ifndef OPENSSL_NO_KRB5 yes #endif ],[ AC_MSG_RESULT([yes]) ssl_krb5_enabled=yes if test "x$SSL_DYNAMIC_ONLY" != "xyes"; then if test -f "$SSL_LIBDIR/libkrb5.a"; then SSL_LINK_WITH_KERBEROS=yes STATIC_KERBEROS_LIBS="$SSL_LIBDIR/libkrb5.a" if test -f "$SSL_LIBDIR/libkrb5support.a"; then STATIC_KERBEROS_LIBS="$STATIC_KERBEROS_LIBS $SSL_LIBDIR/libkrb5support.a" fi if test -f "$SSL_LIBDIR/libk5crypto.a"; then STATIC_KERBEROS_LIBS="$STATIC_KERBEROS_LIBS $SSL_LIBDIR/libk5crypto.a" fi if test -f "$SSL_LIBDIR/libresolv.a"; then STATIC_KERBEROS_LIBS="$STATIC_KERBEROS_LIBS $SSL_LIBDIR/libresolv.a" fi if test -f "$SSL_LIBDIR/libcom_err.a"; then STATIC_KERBEROS_LIBS="$STATIC_KERBEROS_LIBS $SSL_LIBDIR/libcom_err.a" fi else AC_MSG_WARN([Kerberos needed but no kerberos static libraries found]) AC_MSG_WARN([Rescanning for dynamic SSL libraries]) enable_dynamic_ssl=yes ssl_done=no SSL_LINK_WITH_KERBEROS=no STATIC_KERBEROS_LIBS="" ssl_krb5_enabled=no SSL_WITH_KERBEROS=no fi else SSL_LINK_WITH_KERBEROS=no STATIC_KERBEROS_LIBS="" fi ],[ AC_MSG_RESULT([no]) ssl_krb5_enabled=no SSL_WITH_KERBEROS=no ]) CPPFLAGS=$old_CPPFLAGS SSL_KRB5_INCLUDE= if test "x$ssl_krb5_enabled" = "xyes" ; then AC_MSG_CHECKING(for krb5.h in standard locations) for dir in $extra_dir "$SSL_ROOT/include" "$SSL_ROOT/include/openssl" \ "$SSL_ROOT/include/kerberos" \ "$erl_xcomp_isysroot/cygdrive/c/kerberos/include" \ "$erl_xcomp_isysroot/usr/local/kerberos/include" \ "$erl_xcomp_isysroot/usr/kerberos/include" \ "$erl_xcomp_isysroot/usr/include" do if test -f "$dir/krb5.h" ; then SSL_KRB5_INCLUDE="$dir" break fi done if test "x$SSL_KRB5_INCLUDE" = "x" ; then AC_MSG_RESULT([not found]) SSL_APP= CRYPTO_APP= SSH_APP= AC_MSG_WARN([OpenSSL is configured for kerberos but no krb5.h found]) for a in ssl crypto ssh ; do echo "OpenSSL is configured for kerberos but no krb5.h found" > $ERL_TOP/lib/$a/SKIP done else AC_MSG_RESULT([found in $SSL_KRB5_INCLUDE]) SSL_INCLUDE="$SSL_INCLUDE -I$SSL_KRB5_INCLUDE" fi fi fi done # while test ssl_done != yes SSL_CC_RUNTIME_LIBRARY_PATH= SSL_LD_RUNTIME_LIBRARY_PATH= SSL_DED_LD_RUNTIME_LIBRARY_PATH= cc_rflg="$CFLAG_RUNTIME_LIBRARY_PATH" ld_rflg="$LDFLAG_RUNTIME_LIBRARY_PATH" ded_ld_rflg="$DED_LD_FLAG_RUNTIME_LIBRARY_PATH" if test "$SSL_APP" != "" && test "$SSL_DYNAMIC_ONLY" = "yes" && \ { test "$cc_rflg" != "" || test "$ld_rflg" != "" || test "$ded_ld_rflg" != ""; } ; then AC_MSG_CHECKING(for ssl runtime library path to use) libdirs="/lib" if test "$ac_cv_sizeof_void_p" = "8"; then dir_lib64=no dir_lib_64=no case "$SSL_RUNTIME_LIBDIR" in */lib/64 | */lib/64/ ) dir_lib_64=yes;; */lib64 | */lib64/ ) dir_lib64=yes;; *) ;; esac for dir in $std_ssl_locations; do test $dir_lib_64 = no && test -d "$erl_xcomp_sysroot$dir/lib/64" && dir_lib_64=yes test $dir_lib64 = no && test -d "$erl_xcomp_sysroot$dir/lib64" && dir_lib64=yes done test $dir_lib_64 = yes && libdirs="/lib/64 $libdirs" test $dir_lib64 = yes && libdirs="/lib64 $libdirs" fi for type in std x_std curr; do cc_rpath="$cc_rflg$SSL_RUNTIME_LIBDIR" ld_rpath="$ld_rflg$SSL_RUNTIME_LIBDIR" ded_ld_rpath="$ded_ld_rflg$SSL_RUNTIME_LIBDIR" rpath="$SSL_RUNTIME_LIBDIR" if test $type != curr; then for ldir in $libdirs; do for dir in $std_ssl_locations; do test "$SSL_LIBDIR" != "$dir$ldir" || continue test $type != x_std || test -d "$dir$ldir" || continue test "$cc_rflg" = "" || cc_rpath="$cc_rpath $cc_rflg$dir$ldir" test "$ld_rflg" = "" || ld_rpath="$ld_rpath $ld_rflg$dir$ldir" test "$ded_ld_rflg" = "" || ded_ld_rpath="$ded_ld_rpath $ded_ld_rflg$dir$ldir" rpath="$rpath:$dir$ldir" done done fi saveCFLAGS="$CFLAGS" saveLDFLAGS="$LDFLAGS" saveLIBS="$LIBS" CFLAGS="$CFLAGS $SSL_INCLUDE" LDFLAGS="$LDFLAGS $ld_rpath -L$SSL_LIBDIR" LIBS="-lcrypto" AC_TRY_LINK([ #include <stdio.h> #include <openssl/hmac.h> ], [ HMAC_CTX hc; HMAC_CTX_init(&hc); ], [rpath_success=yes], [rpath_success=no]) CFLAGS="$saveCFLAGS" LDFLAGS="$saveLDFLAGS" LIBS="$saveLIBS" test "$rpath_success" = "yes" && break done test "$rpath_success" = "yes" || { cc_rpath=; ld_rpath=; ded_ld_rpath=; rpath=; } SSL_CC_RUNTIME_LIBRARY_PATH="$cc_rpath" SSL_LD_RUNTIME_LIBRARY_PATH="$ld_rpath" SSL_DED_LD_RUNTIME_LIBRARY_PATH="$ded_ld_rpath" AC_MSG_RESULT([$rpath]) test "$rpath" != "" || AC_MSG_WARN([Cannot set run path during linking]) fi #-------------------------------------------------------------------- # Os mon stuff. #-------------------------------------------------------------------- AC_SUBST(os_mon_programs) AC_SUBST(CPU_SUP_LIBS) AC_CHECK_LIB(kstat, kstat_open, [ os_mon_programs="$os_mon_programs cpu_sup" CPU_SUP_LIBS="$CPU_SUP_LIBS -lkstat" ]) case $host_os in solaris2*) os_mon_programs="$os_mon_programs ferrule mod_syslog" ;; linux*) os_mon_programs="$os_mon_programs cpu_sup" ;; esac AC_ARG_WITH(javac, AS_HELP_STRING([--with-javac=JAVAC], [specify Java compiler to use]) AS_HELP_STRING([--with-javac], [use a Java compiler if found (default)]) AS_HELP_STRING([--without-javac], [don't use any Java compiler])) dnl dnl Then there are a number of apps which needs a java compiler... dnl need_java="jinterface ic/java_src" # Remove all SKIP files from previous runs for a in $need_java ; do /bin/rm -f $ERL_TOP/lib/$a/SKIP done if test "X$with_javac" = "Xno"; then for a in $need_java ; do echo "Java compiler disabled by user" > $ERL_TOP/lib/$a/SKIP done else # begin - try to find javac if test "X$with_javac" != "Xyes" -a "X$with_javac" != "X"; then check_javac=$with_javac else check_javac="javac.sh javac guavac gcj jikes bock" fi AC_CHECK_PROGS(JAVAC, $check_javac) if test -n "$JAVAC"; then dnl Make sure it's at least JDK 1.5 AC_CACHE_CHECK(for JDK version 1.5, ac_cv_prog_javac_ver_1_5, [ERL_TRY_LINK_JAVA([], [for (String i : args);], ac_cv_prog_javac_ver_1_5=yes, ac_cv_prog_javac_ver_1_5=no)]) if test $ac_cv_prog_javac_ver_1_5 = no; then unset -v JAVAC fi fi if test -z "$JAVAC"; then if test "X$with_javac" != "X"; then AC_MSG_ERROR([No java compiler found in PATH (checked for $check_javac)]) fi AC_MSG_WARN([Could not find any usable java compiler, will skip: jinterface]) for a in $need_java ; do echo "No Java compiler found" > $ERL_TOP/lib/$a/SKIP done fi fi # end - try to find javac dnl dnl Orber has a c++ example, this isn't the right way to check for dnl it, but.... dnl AC_SUBST(CXXFLAGS) dnl this deliberately does not believe that 'gcc' is a C++ compiler AC_CHECK_TOOLS(CXX, [$CCC c++ g++ CC cxx cc++ cl], false) # Remove SKIP file from previous run /bin/rm -f $ERL_TOP/lib/orber/SKIP if test "$CXX" = false; then echo "No C++ compiler found" > $ERL_TOP/lib/orber/SKIP fi dnl ---------------------------------------------------------------------- dnl Include CPPFLAGS in CFLAGS dnl ---------------------------------------------------------------------- CFLAGS="$CFLAGS $CPPFLAGS" # # Currently if we compile for 64 bits we want to compile # some external port programs using 32 bits # # If not defined we trust the C compiler in $CC to do 32 bits if test -z "$CC32"; then CC32="$CC" fi if test -z "$CFLAGS32"; then if test $ac_cv_sizeof_void_p != 4; then # We are compiling default 64 bits and use -m32 for 32 bit compilations CFLAGS32="$CFLAGS -m32" else CFLAGS32="$CFLAGS" fi fi AC_SUBST(CC32) AC_SUBST(CFLAGS32) dnl dnl ERTS_EMU_CMDLINE_FLAGS will force modification of config.h when dnl the emulator command line flags are modified by configure, which dnl in turn will make 'make' detect that files depending on config.h dnl needs to be rebuilt. dnl AC_DEFINE_UNQUOTED(ERTS_EMU_CMDLINE_FLAGS, "$STATIC_CFLAGS $CFLAGS $DEBUG_CFLAGS $EMU_THR_DEFS $DEFS $WFLAGS", [The only reason ERTS_EMU_CMDLINE_FLAGS exists is to force modification of config.h when the emulator command line flags are modified by configure]) dnl ---------------------------------------------------------------------- dnl Directories needed for the build dnl ---------------------------------------------------------------------- erts=${erl_top}/erts erts_dirs=" $erts/obj $erts/obj.debug $erts/obj/$host $erts/obj.debug/$host " for d in ${erl_top}/bin ${erl_top}/bin/$host $erts_dirs ; do if test ! -d $d; then mkdir -p 1>/dev/null 2>&1 $d fi done dnl --------------------------------------------------------------------- dnl Autoheader macro for adding code at top and bottom of config.h.in dnl --------------------------------------------------------------------- AH_TOP([ #define GHBN_R_SOLARIS 2 #define GHBN_R_AIX 3 #define GHBN_R_GLIBC 4 ]) AH_BOTTOM([ /* Redefine in6_addr. XXX this should be moved to the files where it's used? */ #ifdef HAVE_IN_ADDR6_STRUCT #define in6_addr in_addr6 #endif /* Define a reasonable default for INADDR_LOOPBACK */ /* XXX this should be moved to the files where it's used? */ #ifdef HAVE_NO_INADDR_LOOPBACK #define INADDR_LOOPBACK (u_long)0x7F000001 #endif #ifdef REDEFINE_FD_SETSIZE #define FD_SETSIZE 1024 #endif #ifdef HAVE_GETHRVTIME_PROCFS_IOCTL #define HAVE_GETHRVTIME #endif #ifndef HAVE_FINITE # if defined(HAVE_ISINF) && defined(HAVE_ISNAN) # define USE_ISINF_ISNAN # endif #endif #if defined(DEBUG) && defined(USE_THREADS) && !defined(ERTS_ENABLE_LOCK_CHECK) #define ERTS_ENABLE_LOCK_CHECK 1 #endif ]) dnl ---------------------------------------------------------------------- dnl Output the result. dnl ---------------------------------------------------------------------- dnl Note that the output files are relative to $srcdir AC_OUTPUT( emulator/$host/Makefile:emulator/Makefile.in epmd/src/$host/Makefile:epmd/src/Makefile.in etc/common/$host/Makefile:etc/common/Makefile.in include/internal/$host/ethread.mk:include/internal/ethread.mk.in include/internal/$host/erts_internal.mk:include/internal/erts_internal.mk.in lib_src/$host/Makefile:lib_src/Makefile.in Makefile:Makefile.in ../make/$host/otp.mk:../make/otp.mk.in ../make/$host/otp_ded.mk:../make/otp_ded.mk.in dnl dnl The ones below should be moved to their respective lib dnl ../lib/ic/c_src/$host/Makefile:../lib/ic/c_src/Makefile.in ../lib/os_mon/c_src/$host/Makefile:../lib/os_mon/c_src/Makefile.in dnl ../lib/ssl/c_src/$host/Makefile:../lib/ssl/c_src/Makefile.in ../lib/crypto/c_src/$host/Makefile:../lib/crypto/c_src/Makefile.in ../lib/orber/c_src/$host/Makefile:../lib/orber/c_src/Makefile.in ../lib/runtime_tools/c_src/$host/Makefile:../lib/runtime_tools/c_src/Makefile.in ../lib/tools/c_src/$host/Makefile:../lib/tools/c_src/Makefile.in )