diff options
Diffstat (limited to 'erts/configure.in')
| -rw-r--r-- | erts/configure.in | 653 |
1 files changed, 485 insertions, 168 deletions
diff --git a/erts/configure.in b/erts/configure.in index b056ba44e2..4ade3b3086 100644 --- a/erts/configure.in +++ b/erts/configure.in @@ -2,18 +2,19 @@ dnl Process this file with autoconf to produce a configure script. -*-m4-*- dnl %CopyrightBegin% dnl -dnl Copyright Ericsson AB 1997-2013. All Rights Reserved. +dnl Copyright Ericsson AB 1997-2015. 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 Licensed under the Apache License, Version 2.0 (the "License"); +dnl you may not use this file except in compliance with the License. +dnl You may obtain a copy of the License at 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 http://www.apache.org/licenses/LICENSE-2.0 +dnl +dnl Unless required by applicable law or agreed to in writing, software +dnl distributed under the License is distributed on an "AS IS" BASIS, +dnl WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +dnl See the License for the specific language governing permissions and +dnl limitations under the License. dnl dnl %CopyrightEnd% @@ -101,7 +102,7 @@ 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/$host/erl_int_sizes_config.h:include/erl_int_sizes_config.h.in) +AC_CONFIG_HEADER($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 include/$host/erl_native_features_config.h:include/erl_native_features_config.h.in) dnl ---------------------------------------------------------------------- dnl Optional features. dnl ---------------------------------------------------------------------- @@ -123,6 +124,7 @@ AS_HELP_STRING([--enable-bootstrap-only], with_ssl_zlib=no enable_hipe=no enable_sctp=no + enable_dirty_schedulers=no fi ]) @@ -134,9 +136,16 @@ AS_HELP_STRING([--disable-threads], [disable async thread support]), *) enable_threads=yes ;; esac ], enable_threads=unknown) +AC_ARG_ENABLE(dirty-schedulers, +AS_HELP_STRING([--enable-dirty-schedulers], [enable dirty scheduler support]), +[ case "$enableval" in + no) enable_dirty_schedulers=no ;; + *) enable_dirty_schedulers=yes ;; + esac ], enable_dirty_schedulers=no) + AC_ARG_ENABLE(halfword-emulator, AS_HELP_STRING([--enable-halfword-emulator], - [enable halfword emulator (only for 64bit builds)]), + [enable halfword emulator (only for 64bit builds). Note: Halfword emulator is marked as deprecated and scheduled for removal in future major release.]), [ case "$enableval" in no) enable_halfword_emualtor=no ;; *) enable_halfword_emulator=yes ;; @@ -150,6 +159,14 @@ AS_HELP_STRING([--disable-smp-support], [disable smp support]), *) enable_smp_support=yes ;; esac ], enable_smp_support=unknown) +AC_ARG_ENABLE(smp-require-native-atomics, + AS_HELP_STRING([--disable-smp-require-native-atomics], + [disable the SMP requirement of a native atomic implementation]), +[ case "$enableval" in + no) smp_require_native_atomics=no ;; + *) smp_require_native_atomics=yes ;; + esac ], smp_require_native_atomics=yes) + AC_ARG_WITH(termcap, AS_HELP_STRING([--with-termcap], [use termcap (default)]) AS_HELP_STRING([--without-termcap], @@ -198,9 +215,6 @@ 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)]), @@ -251,24 +265,6 @@ AS_HELP_STRING([--enable-m32-build], 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_WITH(dynamic-trace, AS_HELP_STRING([--with-dynamic-trace={dtrace|systemtap}], [specify use of dynamic trace framework, dtrace or systemtap]) @@ -322,14 +318,38 @@ if test X"$use_vm_probes" = X"yes"; then [Define to enable VM dynamic trace probes]) fi +AC_ARG_WITH(assumed-cache-line-size, +AS_HELP_STRING([--with-assumed-cache-line-size=SIZE], + [specify assumed cache line size in bytes (valid values are powers of two between and including 16 and 8192; default is 64)])) + +dnl Require the assumed cache-line size to be a power of two between 16 and 8192 +case "$with_assumed_cache_line_size" in + ""|no|yes) + with_assumed_cache_line_size=64;; + 16|32|64|128|256|512|1024|2048|4096|8192) + ;; + *) + AC_MSG_ERROR([Invalid assumed cache-line size of $with_assumed_cache_line_size bytes]) + ;; +esac + +AC_DEFINE_UNQUOTED(ASSUMED_CACHE_LINE_SIZE, + $with_assumed_cache_line_size, + [Assumed cache-line size (in bytes)]) + +AC_ARG_ENABLE(systemd, +AS_HELP_STRING([--enable-systemd], [enable systemd support in epmd]), +[], +[enable_systemd=no]) -AC_ARG_ENABLE(clock-gettime, -AS_HELP_STRING([--enable-clock-gettime], - [use clock-gettime for time correction]), +AC_ARG_ENABLE(saved-compile-time, +AS_HELP_STRING([--disable-saved-compile-time], [disable saved compile time]), [ case "$enableval" in - no) clock_gettime_correction=no ;; - *) clock_gettime_correction=yes ;; - esac ], clock_gettime_correction=unknown) + no) save_compile_time=0 ;; + *) save_compile_time=1 ;; + esac ], save_compile_time=1) + +AC_DEFINE_UNQUOTED(ERTS_SAVED_COMPILE_TIME, $save_compile_time, [Save compile time?]) dnl Magic test for clearcase. OTP_RELEASE= @@ -341,6 +361,16 @@ else fi AC_SUBST(OTP_RELEASE) +AC_MSG_CHECKING([OTP release]) +[SYSTEM_VSN=`cat $ERL_TOP/OTP_VERSION | sed "s|\([0-9]*\).*|\1|"`] +AC_MSG_RESULT([$SYSTEM_VSN]) +AC_SUBST(SYSTEM_VSN) + +AC_MSG_CHECKING([OTP version]) +[OTP_VERSION=`cat $ERL_TOP/OTP_VERSION`] +AC_MSG_RESULT([$OTP_VERSION]) +AC_SUBST(OTP_VERSION) + dnl OK, we might have darwin switches off different kinds, lets dnl check it all before continuing. TMPSYS=`uname -s`-`uname -m` @@ -385,32 +415,41 @@ if test X${enable_darwin_64bit} = Xyes -o X${enable_m64_build} = Xyes; then ;; 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 $CFLAGS" - ;; - esac ; - fi - ;; - esac + if test X${enable_m32_build} = Xyes; + then + enable_hipe=no; + case $CFLAGS in + *-m32*) + ;; + *) + CFLAGS="-m32 $CFLAGS" + ;; + esac ; + fi fi +AC_ARG_ENABLE(static-nifs, +AS_HELP_STRING([--enable-static-nifs], [link nifs statically. If yes then all nifs in all Erlang/OTP applications will be statically linked into the main binary. It is also possible to give a list of nifs that should be linked statically. The list should be a comma separated and contain the absolute path to a .a archive for each nif that is to be statically linked. The name of the .a archive has to be the same as the name of the nif. Note that you have to link any external dependencies that the nifs have to the main binary, so for the crypto nif you want to pass LIBS=-lcrypto to configure.]), + STATIC_NIFS="$enableval", + STATIC_NIFS=no) +AC_SUBST(STATIC_NIFS) + +AC_ARG_ENABLE(static-drivers, +AS_HELP_STRING([--enable-static-drivers], [comma separated list of linked-in drivers to link statically with the main binary. The list should contain the absolute path to a .a archive for each driver that is to be statically linked. The name of the .a archive has to be the same as the name of the driver.]), + STATIC_DRIVERS="$enableval", + STATIC_DRIVERS=no) +AC_SUBST(STATIC_DRIVERS) + +AC_ARG_WITH(ets-write-concurrency-locks, +AS_HELP_STRING([--with-ets-write-concurrency-locks={8|16|32|64|128|256}], + [specify how many locks the write_concurrency option for ets should use.]) +AS_HELP_STRING([--without-ets-write-concurrency-locks], + [use the default number of write_concurrency locks (default)])) + +if test X"$with_ets_write_concurrency_locks" != X""; then + AC_DEFINE_UNQUOTED(ERTS_DB_HASH_LOCK_CNT,$with_ets_write_concurrency_locks, + [Define to override the default number of write_concurrency locks]) +fi dnl ---------------------------------------------------------------------- dnl Checks for programs. @@ -429,7 +468,7 @@ case $host_os in win32) # The ethread library requires _WIN32_WINNT of at least 0x0403. # -D_WIN32_WINNT=* from CPPFLAGS is saved in ETHR_DEFS. - CPPFLAGS="$CPPFLAGS -D_WIN32_WINNT=0x0501 -DWINVER=0x0501" + CPPFLAGS="$CPPFLAGS -D_WIN32_WINNT=0x0600 -DWINVER=0x0600" ;; darwin*) CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE" @@ -449,7 +488,7 @@ dnl extra_flags="-I${ERL_TOP}/erts/$host $OTP_EXTRA_FLAGS" CFLAGS="$CFLAGS $extra_flags" -DEBUG_CFLAGS="-g $CPPFLAGS $extra_flags" +DEBUG_CFLAGS="-g $CPPFLAGS $extra_flags $DEBUG_CFLAGS" DEBUG_FLAGS=-g dnl @@ -593,7 +632,7 @@ fi case $chk_opsys_ in win32) OPSYS=win32;; solaris2.*|SunOS5.*) OPSYS=sol2;; - linux|Linux) OPSYS=linux;; + linux*|Linux) OPSYS=linux;; darwin|Darwin) OPSYS=darwin;; freebsd|FreeBSD) OPSYS=freebsd;; *) OPSYS=noopsys @@ -617,15 +656,19 @@ case $chk_arch_ in x86_64) ARCH=amd64;; amd64) ARCH=amd64;; macppc) ARCH=ppc;; + powerpc) ARCH=ppc;; ppc) ARCH=ppc;; ppc64) ARCH=ppc64;; + ppc64le) ARCH=ppc64;; "Power Macintosh") ARCH=ppc;; armv5b) ARCH=arm;; armv5teb) ARCH=arm;; armv5tel) ARCH=arm;; armv5tejl) ARCH=arm;; - armv6l) ARCH=arm;; + armv6l) ARCH=arm;; + armv6hl) ARCH=arm;; armv7l) ARCH=arm;; + armv7hl) ARCH=arm;; tile) ARCH=tile;; *) ARCH=noarch;; esac @@ -762,6 +805,16 @@ if test "$enable_halfword_emulator" = "yes"; then [Define if building a halfword-heap 64bit emulator]) ENABLE_ALLOC_TYPE_VARS="$ENABLE_ALLOC_TYPE_VARS halfword" AC_MSG_RESULT([yes]) + + test -f "$ERL_TOP/erts/CONF_INFO" || + echo "" > "$ERL_TOP/erts/CONF_INFO" + cat >> $ERL_TOP/erts/CONF_INFO <<EOF + + The HALFWORD emulator has been enabled. + This is a DEPRECATED feature scheduled for removal + in a future major release. + +EOF else AC_MSG_ERROR(no; halfword emulator not supported on this architecture) fi @@ -891,7 +944,10 @@ dnl what the user say. This might not be the right way to do it, but dnl for now that is the way we do it. USER_LD=$LD USER_LDFLAGS="$LDFLAGS" -LD='$(CC)' +case $host in + *ose) ;; + *) LD='$(CC)' ;; +esac AC_SUBST(LD) LDFLAG_RUNTIME_LIBRARY_PATH="$CFLAG_RUNTIME_LIBRARY_PATH" @@ -902,12 +958,15 @@ dnl AC_CYGWIN is deprecated AC_EXEEXT AC_OBJEXT -dnl This is the os flavour, should be unix, vxworks or win32 -if test "X$host" = "Xwin32"; then - ERLANG_OSTYPE=win32 -else - ERLANG_OSTYPE=unix -fi +dnl This is the os flavour, should be unix, ose, vxworks or win32 +case $host in + win32) + ERLANG_OSTYPE=win32 ;; + *ose) + ERLANG_OSTYPE=ose ;; + *) + ERLANG_OSTYPE=unix ;; +esac AC_SUBST(ERLANG_OSTYPE) @@ -1043,11 +1102,39 @@ if test $ERTS_BUILD_SMP_EMU = yes; then AC_DEFINE(ERTS_HAVE_SMP_EMU, 1, [Define if the smp emulator is built]) - case "$ethr_have_native_atomics-$ethr_have_native_spinlock" in + test "X$smp_require_native_atomics" = "Xyes" && + AC_DEFINE(ETHR_SMP_REQUIRE_NATIVE_IMPLS, 1, [Define if you want to enable check for native ethread implementations]) + + case "$ethr_have_native_atomics-$smp_require_native_atomics-$ethr_have_native_spinlock" in yes-*) + if test "$ethr_native_atomic_implementation" = "gcc_sync"; then + test -f "$ERL_TOP/erts/CONF_INFO" || + echo "" > "$ERL_TOP/erts/CONF_INFO" + cat >> $ERL_TOP/erts/CONF_INFO <<EOF + + WARNING: + Only gcc's __sync_* builtins available for + atomic memory access. This will cause lots + of expensive and unnecessary memory barrier + instructions to be issued which will make + the performance of the runtime system + suffer. You are *strongly* advised to + upgrade to a gcc version that supports the + __atomic_* builtins (at least gcc version + 4.7) or build with libatomic_ops. See the + "Atomic Memory Operations and the VM" + chapter of \$ERL_TOP/HOWTO/INSTALL.md for + more information. + +EOF + fi + ;; + + no-yes-*) + AC_MSG_ERROR([No native atomic implementation found. See the \"Atomic Memory Operations and the VM\" chapter of \$ERL_TOP/HOWTO/INSTALL.md for more information.]) ;; - no-yes) + no-no-yes) test -f "$ERL_TOP/erts/CONF_INFO" || echo "" > "$ERL_TOP/erts/CONF_INFO" @@ -1056,12 +1143,13 @@ if test $ERTS_BUILD_SMP_EMU = yes; then No native atomic implementation available. Fallbacks implemented using spinlocks will be used. Note that the performance of the SMP - runtime system will suffer due to this. + runtime system will suffer immensely due to + this. EOF ;; - no-no) + no-no-no) test -f "$ERL_TOP/erts/CONF_INFO" || echo "" > "$ERL_TOP/erts/CONF_INFO" @@ -1071,7 +1159,7 @@ EOF spinlock implementation available. Fallbacks implemented using mutexes will be used. Note that the performance of the SMP runtime system - will suffer much due to this. + will suffer immensely due to this. EOF ;; @@ -1083,7 +1171,7 @@ fi AC_SUBST(ERTS_BUILD_SMP_EMU) -AC_CHECK_FUNCS([posix_fadvise]) +AC_CHECK_FUNCS([posix_fadvise closefrom]) AC_CHECK_HEADERS([linux/falloc.h]) dnl * Old glibcs have broken fallocate64(). Make sure not to use it. AC_CACHE_CHECK([whether fallocate() works],i_cv_fallocate_works,[ @@ -1184,7 +1272,7 @@ case "$enable_threads"-"$found_threads" in AC_MSG_RESULT(yes; enabled by user) ;; unknown-yes) case $host_os in - solaris*|linux*|darwin*|win32) + solaris*|linux*|darwin*|win32|ose) emu_threads=yes AC_MSG_RESULT(yes; default on this platform) ;; @@ -1208,6 +1296,14 @@ esac if test $emu_threads != yes; then enable_lock_check=no enable_lock_count=no + AC_MSG_CHECKING(whether dirty schedulers should be enabled) + if test "x$enable_dirty_schedulers" != "xno"; then + AC_DEFINE(ERL_NIF_DIRTY_SCHEDULER_SUPPORT, 1, [Dirty scheduler support]) + AC_DEFINE(ERL_DRV_DIRTY_SCHEDULER_SUPPORT, 1, [Dirty scheduler support]) + AC_MSG_RESULT(yes) + else + AC_MSG_RESULT(no) + fi else # Threads enabled for emulator EMU_THR_LIB_NAME=$ETHR_LIB_NAME @@ -1226,7 +1322,18 @@ else if test "x$enable_lock_count" != "xno"; then EMU_THR_DEFS="$EMU_THR_DEFS -DERTS_ENABLE_LOCK_COUNT" fi - + + AC_MSG_CHECKING(whether dirty schedulers should be enabled) + if test "x$enable_dirty_schedulers" != "xno"; then + EMU_THR_DEFS="$EMU_THR_DEFS -DERTS_DIRTY_SCHEDULERS" + AC_DEFINE(ERTS_DIRTY_SCHEDULERS, 1, [Define if the emulator supports dirty schedulers]) + AC_DEFINE(ERL_NIF_DIRTY_SCHEDULER_SUPPORT, 1, [Dirty scheduler support]) + AC_DEFINE(ERL_DRV_DIRTY_SCHEDULER_SUPPORT, 1, [Dirty scheduler support]) + AC_MSG_RESULT(yes) + else + AC_MSG_RESULT(no) + fi + disable_child_waiter_thread=no case $host_os in solaris*) @@ -1247,7 +1354,7 @@ else enable_child_waiter_thread=no fi ;; - win32) + win32|ose) # Child waiter thread cannot be enabled disable_child_waiter_thread=yes enable_child_waiter_thread=no @@ -1322,7 +1429,7 @@ TERMCAP_LIB= if test "x$with_termcap" != "xno" && test "X$host" != "Xwin32"; then # try these libs - termcap_libs="ncurses curses termcap termlib" + termcap_libs="tinfo ncurses curses termcap termlib" for termcap_lib in $termcap_libs; do AC_CHECK_LIB($termcap_lib, tgetent, TERMCAP_LIB="-l$termcap_lib") @@ -1358,24 +1465,44 @@ dnl ------------- dnl zlib dnl ------------- -AC_ARG_ENABLE(shared-zlib, -AS_HELP_STRING([--enable-shared-zlib], [enable using shared zlib library]), -[ case "$enableval" in - no) enable_shared_zlib=no ;; - *) enable_shared_zlib=yes ;; - esac ], enable_shared_zlib=no) +AC_ARG_ENABLE(builtin-zlib, + AS_HELP_STRING([--enable-builtin-zlib], + [force use of our own built-in zlib]), + [ case "$enableval" in + no) enable_builtin_zlib=no ;; + *) enable_builtin_zlib=yes ;; + esac ], enable_builtin_zlib=no) Z_LIB= -if test "x$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])]) +if test "x$enable_builtin_zlib" = "xyes"; then + AC_MSG_NOTICE([Using our own built-in zlib source]) else - AC_MSG_NOTICE([Using own zlib source]) +AC_MSG_CHECKING(for zlib 1.2.5 or higher) +zlib_save_LIBS=$LIBS +LIBS="-lz $LIBS" +AC_LINK_IFELSE( + [AC_LANG_PROGRAM([[ +#include "zlib.h" +]],[[ +#if ZLIB_VERNUM >= 0x1250 + Bytef s[1]; + s[0] = 0; + (void) adler32((uLong)0, s, 1); +#else +#error "No zlib 1.2.5 or higher found" +error +#endif +]])], +[ + Z_LIB="-lz" + AC_DEFINE(HAVE_LIBZ, 1, [Define to 1 if you have the `z' library (-lz).]) + AC_MSG_RESULT(yes) +],[ + AC_MSG_RESULT(no) +]) +LIBS=$zlib_save_LIBS fi - AC_SUBST(Z_LIB) dnl @@ -1433,10 +1560,11 @@ if test "$have_gethostbyname_r" = yes; then [Define to flavour of gethostbyname_r])) ;; *) - AC_EGREP_CPP(yes,[#include <stdio.h> - #ifdef __GLIBC__ - yes - #endif + AC_EGREP_CPP(^yes$,[ +#include <stdio.h> +#ifdef __GLIBC__ +yes +#endif ], AC_DEFINE(HAVE_GETHOSTBYNAME_R, GHBN_R_GLIBC, [Define to flavour of gethostbyname_r])) ;; @@ -1561,6 +1689,33 @@ AC_CHECK_MEMBERS([struct ifreq.ifr_enaddr], [], [], ]) dnl ---------------------------------------------------------------------- +dnl Check the availability of systemd +dnl ---------------------------------------------------------------------- +if test x"$enable_systemd" != x"no"; then + +systemd_daemon_save_LIBS=$LIBS +LIBS= +AC_SEARCH_LIBS(sd_listen_fds,[systemd systemd-daemon], + [have_sd_listen_fds=yes],[have_sd_listen_fds=no],$systemd_daemon_save_LIBS) +AC_SEARCH_LIBS(sd_notify,[systemd systemd-daemon], + [have_sd_notify=yes],[have_sd_notify=no],$systemd_daemon_save_LIBS) +AC_CHECK_HEADERS(systemd/sd-daemon.h, + [have_systemd_sd_daemon_h=yes],[have_systemd_sd_daemon_h=no]) + +if test x"$have_sd_listen_fds" = x"yes" && \ + test x"$have_sd_notify" = x"yes" && \ + test x"$have_systemd_sd_daemon_h" = x"yes"; then + AC_DEFINE([HAVE_SYSTEMD_DAEMON],[1],[Define if you have systemd daemon]) + SYSTEMD_DAEMON_LIBS=$LIBS +elif test x"$enable_systemd" = x"yes"; then + AC_MSG_FAILURE([--enable-systemd was given, but test for systemd failed]) +fi +LIBS=$systemd_daemon_save_LIBS +fi +AC_SUBST(SYSTEMD_DAEMON_LIBS) + + +dnl ---------------------------------------------------------------------- dnl Check the availability for libdlpi dnl ---------------------------------------------------------------------- AC_CHECK_LIB(dlpi, dlpi_open) @@ -1616,6 +1771,10 @@ 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 if we have timerfds to be used for high accuracy +dnl epoll_wait timeouts +AC_CHECK_HEADERS([sys/timerfd.h]) + dnl Check for kernel SCTP support AC_SUBST(LIBSCTP) if test "x$enable_sctp" != "xno" ; then @@ -1631,11 +1790,11 @@ if test "x$enable_sctp" != "xno" ; then fi if test x"$ac_cv_header_netinet_sctp_h" = x"yes"; then - AC_CHECK_FUNCS([sctp_bindx sctp_peeloff]) + AC_CHECK_FUNCS([sctp_bindx sctp_peeloff sctp_getladdrs sctp_freeladdrs sctp_getpaddrs sctp_freepaddrs]) AC_CHECK_DECLS([SCTP_UNORDERED, SCTP_ADDR_OVER, SCTP_ABORT, SCTP_EOF, SCTP_SENDALL, SCTP_ADDR_CONFIRMED, SCTP_DELAYED_ACK_TIME, - SCTP_EMPTY, + SCTP_EMPTY, SCTP_UNCONFIRMED, SCTP_CLOSED, SCTPS_IDLE, SCTP_BOUND, SCTPS_BOUND, SCTP_LISTEN, SCTPS_LISTEN, @@ -1663,6 +1822,10 @@ if test x"$ac_cv_header_netinet_sctp_h" = x"yes"; then ]) fi +dnl Check for setns +AC_CHECK_HEADERS(sched.h setns.h) +AC_CHECK_FUNCS([setns]) + HAVE_VALGRIND=no AC_CHECK_HEADER(valgrind/valgrind.h, HAVE_VALGRIND=yes) AC_SUBST(HAVE_VALGRIND) @@ -1954,10 +2117,49 @@ AC_CHECK_FUNCS([getipnodebyname getipnodebyaddr gethostbyname2]) AC_CHECK_FUNCS([ieee_handler fpsetmask finite isnan isinf res_gethostbyname dlopen \ pread pwrite memmove strerror strerror_r strncasecmp \ - gethrtime localtime_r gmtime_r inet_pton mmap mremap memcpy mallopt \ - sbrk _sbrk __sbrk brk _brk __brk \ + gethrtime localtime_r gmtime_r inet_pton \ + memcpy mallopt sbrk _sbrk __sbrk brk _brk __brk \ flockfile fstat strlcpy strlcat setsid posix2time time2posix \ - setlocale nl_langinfo poll]) + setlocale nl_langinfo poll mlockall ppoll]) + +AC_MSG_CHECKING([for isfinite]) +AC_TRY_LINK([#include <math.h>], + [isfinite(0);], have_isfinite=yes, have_isfinite=no), + +if test $have_isfinite = yes; then + AC_DEFINE(HAVE_ISFINITE,[1], + [Define to 1 if you have the `isfinite' function.]) + AC_MSG_RESULT(yes) +else + AC_MSG_RESULT(no) +fi + +case X$erl_xcomp_posix_memalign in + Xno) ;; + Xyes) AC_DEFINE(HAVE_POSIX_MEMALIGN,[1], + [Define to 1 if you have the `posix_memalign' function.]) ;; + *) + AC_CHECK_FUNC( + [posix_memalign], + [if test "$cross_compiling" != yes; then +AC_TRY_RUN([ +#include <stdlib.h> +int main(void) { + void *ptr = NULL; + int error; + size_t alignment = 0x40000, size = 0x20028; + if ((error = posix_memalign(&ptr, alignment, size)) != 0 || ptr == NULL) + return error; + return 0; +} +],AC_DEFINE(HAVE_POSIX_MEMALIGN,[1], + [Define to 1 if you have the `posix_memalign' function.]) +) + else + AC_DEFINE(HAVE_POSIX_MEMALIGN,[1], + [Define to 1 if you have the `posix_memalign' function.]) + fi]);; +esac dnl writev on OS X snow leopard is broken for files > 4GB case $host_os in @@ -1968,6 +2170,17 @@ case $host_os in AC_CHECK_FUNCS([writev]) ;; esac +case $host_os in + *ose) + AC_MSG_CHECKING([for mmap]) + AC_MSG_RESULT(not using for OSE) + AC_MSG_CHECKING([for mremap]) + AC_MSG_RESULT(not using for OSE) ;; + *) + AC_CHECK_FUNCS([mmap mremap]) ;; +esac + + AC_CHECK_DECLS([posix2time, time2posix],,,[#include <time.h>]) disable_vfork=false @@ -2676,6 +2889,9 @@ esac if test X${enable_fp_exceptions} = Xauto ; then case $host_os in + *linux*) + enable_fp_exceptions=no + AC_MSG_NOTICE([Floating point exceptions disabled by default on Linux]) ;; darwin*) enable_fp_exceptions=no AC_MSG_NOTICE([Floating point exceptions disabled by default on MacOS X]) ;; @@ -2707,6 +2923,10 @@ else #include <signal.h> #include <stdlib.h> +#if defined(__clang__) || defined(__llvm__) +#error "Clang/LLVM generates broken code for FP exceptions" +#endif + volatile int erl_fp_exception; /* @@ -3265,16 +3485,6 @@ dnl (using the --disable, --enable and --with switches). dnl ---------------------------------------------------------------------- # -# Check if we should compile TSP app -# - -TSP_APP= -if test X${enable_tsp} = Xyes; then - TSP_APP=tsp -fi -AC_SUBST(TSP_APP) - -# # Check if we should enable HiPE. # @@ -3307,19 +3517,6 @@ 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$with_perfctr" != "xno" ; then - USE_PERFCTR=1 - fi -fi - -# # Check for working poll(). # AC_MSG_CHECKING([for working poll()]) @@ -3581,6 +3778,7 @@ fi DED_EMU_THR_DEFS=$EMU_THR_DEFS DED_CFLAGS="$CFLAGS $CPPFLAGS" if test "x$GCC" = xyes; then + DED_STATIC_CFLAGS="$DED_CFLAGS" DED_CFLAGS="$DED_CFLAGS -fPIC" fi @@ -3588,11 +3786,14 @@ DED_EXT=so case $host_os in win32) DED_EXT=dll;; darwin*) - DED_CFLAGS="$DED_CFLAGS -fno-common";; + DED_CFLAGS="$DED_CFLAGS -fno-common" + DED_STATIC_CFLAGS="$DED_STATIC_CFLAGS -fno-common";; *) ;; esac +DED_STATIC_CFLAGS="$DED_STATIC_CFLAGS -DSTATIC_ERLANG_NIF -DSTATIC_ERLANG_DRIVER" + # If DED_LD is set in environment, we expect all DED_LD* variables # to be specified (cross compiling) if test "x$DED_LD" = "x"; then @@ -3702,6 +3903,7 @@ fi AC_SUBST(DED_EXT) AC_SUBST(DED_SYS_INCLUDE) AC_SUBST(DED_CFLAGS) +AC_SUBST(DED_STATIC_CFLAGS) AC_SUBST(DED_LD) AC_SUBST(DED_LDFLAGS) AC_SUBST(DED_LD_FLAG_RUNTIME_LIBRARY_PATH) @@ -3752,21 +3954,28 @@ esac if test "$enable_dtrace_test" = "yes" ; then if test "$DTRACE" = "dtrace" ; then AC_CHECK_HEADERS(sys/sdt.h) + AC_MSG_CHECKING([for 1-stage DTrace precompilation]) # The OS X version of dtrace prints a spurious line here. if ! dtrace -h $DTRACE_CPP -Iemulator/beam -o ./foo-dtrace.h -s emulator/beam/erlang_dtrace.d; then AC_MSG_ERROR([Could not precompile erlang_dtrace.d: dtrace -h failed]) fi - rm -f foo-dtrace.h + AC_MSG_RESULT([yes]) - $RM -f $DTRACE_2STEP_TEST - if dtrace -G $DTRACE_CPP $DTRACE_BITS_FLAG -Iemulator/beam -o $DTRACE_2STEP_TEST -s emulator/beam/erlang_dtrace.d 2> /dev/null && \ - test -f $DTRACE_2STEP_TEST ; then - rm $DTRACE_2STEP_TEST + AC_MSG_CHECKING([for 2-stage DTrace precompilation]) + AC_TRY_COMPILE([ #include "foo-dtrace.h" ], + [ERLANG_DIST_PORT_BUSY_ENABLED();], + [$RM -f $DTRACE_2STEP_TEST + dtrace -G $DTRACE_CPP $DTRACE_BITS_FLAG -Iemulator/beam -o $DTRACE_2STEP_TEST -s emulator/beam/erlang_dtrace.d conftest.$OBJEXT 2>&AS_MESSAGE_LOG_FD + if test -f $DTRACE_2STEP_TEST; then + rm $DTRACE_2STEP_TEST DTRACE_ENABLED_2STEP=yes - AC_MSG_NOTICE([dtrace precompilation for 2-stage DTrace successful]) - else - AC_MSG_NOTICE([dtrace precompilation for 1-stage DTrace successful]) - fi + fi], + []) + $RM -f foo-dtrace.h + AS_IF([test "x$DTRACE_ENABLED_2STEP" = "xyes"], + [AC_MSG_RESULT([yes])], + [AC_MSG_RESULT([no])]) + DTRACE_ENABLED=yes case $OPSYS in linux) @@ -3795,7 +4004,7 @@ dnl If set to --with-ssl=PATH we use that path as the prefix, i.e. we dnl use "PATH/include" and "PATH/lib". AC_SUBST(SSL_INCLUDE) -AC_SUBST(SSL_ROOT) +AC_SUBST(SSL_INCDIR) AC_SUBST(SSL_LIBDIR) AC_SUBST(SSL_CRYPTO_LIBNAME) AC_SUBST(SSL_SSL_LIBNAME) @@ -3808,7 +4017,7 @@ AC_SUBST(STATIC_KERBEROS_LIBS) AC_SUBST(SSL_LINK_WITH_ZLIB) AC_SUBST(STATIC_ZLIB_LIBS) -std_ssl_locations="/usr/local /usr/sfw /usr /opt/local /usr/pkg /usr/local/openssl /usr/lib/openssl /usr/openssl /usr/local/ssl /usr/lib/ssl /usr/ssl" +std_ssl_locations="/usr/local /usr/sfw /usr /opt/local /usr/pkg /usr/local/openssl /usr/lib/openssl /usr/openssl /usr/local/ssl /usr/lib/ssl /usr/ssl /" AC_ARG_WITH(ssl-zlib, AS_HELP_STRING([--with-ssl-zlib=PATH], @@ -3889,6 +4098,29 @@ AS_HELP_STRING([--with-ssl=PATH], [specify location of OpenSSL include and lib]) AS_HELP_STRING([--with-ssl], [use SSL (default)]) AS_HELP_STRING([--without-ssl], [don't use SSL])) +AC_ARG_WITH(ssl-incl, +AS_HELP_STRING([--with-ssl-incl=PATH], [location of OpenSSL include dir, if different than specified by --with-ssl=PATH]), +[ +case X$with_ssl in + X | Xyes | Xno) AC_MSG_ERROR([--with-ssl-incl=PATH set without --with-ssl=PATH]);; +esac +], +[with_ssl_incl=$with_ssl]) #default + +AC_ARG_WITH(ssl-rpath, +AS_HELP_STRING([--with-ssl-rpath=yes|no|PATHS], + [runtime library path for OpenSSL. Default is "yes", which equates to a + number of standard locations. If "no", then no runtime + library paths will be used. Anything else should be a + comma separated list of paths.]), +[ +case X$with_ssl in + Xno) AC_MSG_ERROR([--with-ssl-rpath set without --with-ssl]);; +esac +], +[with_ssl_rpath=yes]) #default + + AC_ARG_ENABLE(dynamic-ssl-lib, AS_HELP_STRING([--disable-dynamic-ssl-lib], [disable using dynamic openssl libraries]), @@ -3915,6 +4147,7 @@ for a in ssl crypto ssh; do done SSL_DYNAMIC_ONLY=$enable_dynamic_ssl +SSL_STATIC_ONLY=no case "$erl_xcomp_without_sysroot-$with_ssl" in yes-* | no-no) @@ -4002,7 +4235,7 @@ case "$erl_xcomp_without_sysroot-$with_ssl" in dir="$erl_xcomp_sysroot$rdir" if test -f "$erl_xcomp_isysroot$rdir/include/openssl/opensslv.h"; then is_real_ssl=yes - SSL_ROOT="$dir" + SSL_INCDIR="$dir" if test "x$MIXED_CYGWIN" = "xyes" -o "x$MIXED_MSYS" = "xyes"; then if test -f "$dir/lib/VC/libeay32.lib"; then SSL_RUNTIME_LIBDIR="$rdir/lib/VC" @@ -4034,6 +4267,10 @@ case "$erl_xcomp_without_sysroot-$with_ssl" in else is_real_ssl=no fi + elif test -f "$dir/lib/powerpc/libsslcrypto.a"; then + SSL_CRYPTO_LIBNAME=sslcrypto + SSL_LIBDIR="$dir/lib/powerpc/" + SSL_RUNTIME_LIBDIR="$rdir/lib/powerpc/" else if test "x$ac_cv_sizeof_void_p" = "x8"; then if test -f "$dir/lib64/libcrypto.a"; then @@ -4057,18 +4294,20 @@ case "$erl_xcomp_without_sysroot-$with_ssl" in SSL_LIBDIR="$dir/lib" fi fi - if test '!' -f $SSL_LIBDIR/libcrypto.a; then + if test '!' -f "$SSL_LIBDIR/lib${SSL_CRYPTO_LIBNAME}.a"; then SSL_DYNAMIC_ONLY=yes + elif test '!' -f "$SSL_LIBDIR/lib${SSL_CRYPTO_LIBNAME}.so" -a '!' -f "$SSL_LIBDIR/lib${SSL_CRYPTO_LIBNAME}.dylib"; then + SSL_STATIC_ONLY=yes fi SSL_BINDIR="$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,[ + AC_EGREP_CPP(^yes$,[ #include <openssl/opensslv.h> #if OPENSSL_VERSION_NUMBER >= 0x0090700fL - yes +yes #endif ],[ ssl_found=yes @@ -4080,13 +4319,20 @@ case "$erl_xcomp_without_sysroot-$with_ssl" in if test "x$ssl_found" = "xyes"; then if test "x$MIXED_CYGWIN" = "xyes" -o "x$MIXED_MSYS" = "xyes"; then ssl_linkable=yes + elif test "x${SSL_CRYPTO_LIBNAME}" = "xsslcrypto"; then + # This should only be triggered seen OSE + ssl_linkable=yes else saveCFLAGS="$CFLAGS" saveLDFLAGS="$LDFLAGS" saveLIBS="$LIBS" CFLAGS="$CFLAGS $SSL_INCLUDE" - LDFLAGS="$LDFLAGS -L$SSL_LIBDIR" - LIBS="-lcrypto" + if test "x$SSL_STATIC_ONLY" = "xyes"; then + LIBS="${SSL_LIBDIR}/lib${SSL_CRYPTO_LIBNAME}.a" + else + LDFLAGS="$LDFLAGS -L$SSL_LIBDIR" + LIBS="$LIBS -l${SSL_CRYPTO_LIBNAME}" + fi AC_TRY_LINK([ #include <stdio.h> #include <openssl/hmac.h>], @@ -4119,8 +4365,8 @@ case "$erl_xcomp_without_sysroot-$with_ssl" in # 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_INCDIR="$erl_xcomp_sysroot/usr" + AC_MSG_RESULT([$SSL_INCDIR]) SSL_RUNTIME_LIB="/usr/lib" SSL_LIB="$erl_xcomp_sysroot/usr/lib" SSL_BINDIR="/usr/sbin" @@ -4187,7 +4433,10 @@ dnl so it is - be adoptable if test ! -d "$with_ssl" ; then AC_MSG_ERROR(Invalid path to option --with-ssl=PATH) fi - SSL_ROOT="$with_ssl" + if test ! -d "$with_ssl_incl" ; then + AC_MSG_ERROR(Invalid path to option --with-ssl-incl=PATH) + fi + SSL_INCDIR="$with_ssl_incl" SSL_CRYPTO_LIBNAME=crypto SSL_SSL_LIBNAME=ssl if test "x$MIXED_CYGWIN" = "xyes" -o "x$MIXED_MSYS" = "xyes" && test -d "$with_ssl/lib/VC"; then @@ -4214,6 +4463,9 @@ dnl so it is - be adoptable # This probably wont work, but that's what the user said, so... SSL_LIBDIR="$with_ssl/lib" fi + elif test -f "$dir/lib/powerpc/libsslcrypto.a"; then + SSL_CRYPTO_LIBNAME=sslcrypto + SSL_LIBDIR="$with_ssl/lib/powerpc/" elif test "x$ac_cv_sizeof_void_p" = "x8"; then if test -f "$with_ssl/lib64/libcrypto.a"; then SSL_LIBDIR="$with_ssl/lib64" @@ -4229,15 +4481,17 @@ dnl so it is - be adoptable else SSL_LIBDIR="$with_ssl/lib" fi - if test '!' -f $SSL_LIBDIR/libcrypto.a; then + if test '!' -f "${SSL_LIBDIR}/lib${SSL_CRYPTO_LIBNAME}.a"; then SSL_DYNAMIC_ONLY=yes + elif test '!' -f ${SSL_LIBDIR}/lib${SSL_CRYPTO_LIBNAME}.so -a '!' -f "$SSL_LIBDIR/lib${SSL_CRYPTO_LIBNAME}.dylib"; then + SSL_STATIC_ONLY=yes fi - SSL_INCLUDE="-I$with_ssl/include" + SSL_INCLUDE="-I$with_ssl_incl/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"` + SSL_RUNTIME_LIBDIR=`echo "$SSL_LIBDIR" | sed -n "s|^$erl_xcomp_sysroot\(/*\)\(.*\)\$|/\2|p"` else SSL_RUNTIME_LIBDIR="$SSL_LIBDIR" fi @@ -4248,10 +4502,10 @@ if test "x$SSL_APP" != "x" ; then AC_MSG_CHECKING(for OpenSSL kerberos 5 support) old_CPPFLAGS=$CPPFLAGS CPPFLAGS=$SSL_INCLUDE - AC_EGREP_CPP(yes,[ + AC_EGREP_CPP(^yes$,[ #include <openssl/opensslconf.h> #ifndef OPENSSL_NO_KRB5 - yes +yes #endif ],[ AC_MSG_RESULT([yes]) @@ -4295,8 +4549,8 @@ if test "x$SSL_APP" != "x" ; then 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" \ + for dir in $extra_dir "$SSL_INCDIR/include" "$SSL_INCDIR/include/openssl" \ + "$SSL_INCDIR/include/kerberos" \ "$erl_xcomp_isysroot/cygdrive/c/kerberos/include" \ "$erl_xcomp_isysroot/usr/local/kerberos/include" \ "$erl_xcomp_isysroot/usr/kerberos/include" \ @@ -4332,7 +4586,12 @@ cc_rflg="$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" && \ + +case "$with_ssl_rpath" in + +yes) # Use standard lib locations for ssl runtime library path + + if test "$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) @@ -4416,7 +4675,25 @@ if test "$SSL_APP" != "" && test "$SSL_DYNAMIC_ONLY" = "yes" && \ AC_MSG_RESULT([$rpath]) test "$rpath" != "" || AC_MSG_WARN([Cannot set run path during linking]) -fi + fi + ;; + +no) # Use no ssl runtime library path + SSL_DED_LD_RUNTIME_LIBRARY_PATH= + ;; + +*) # Use ssl runtime library paths set by --with-ssl-rpath (without any check) + ded_ld_rpath= + delimit= + for dir in `echo $with_ssl_rpath | sed "s/,/ /g"`; do + ded_ld_rpath="$ded_ld_rpath$delimit$ded_ld_rflg$dir" + delimit=" " + done + SSL_DED_LD_RUNTIME_LIBRARY_PATH="$ded_ld_rpath" + ;; + +esac + #-------------------------------------------------------------------- # Os mon stuff. @@ -4425,18 +4702,32 @@ AC_SUBST(os_mon_programs) AC_SUBST(CPU_SUP_LIBS) AC_CHECK_LIB(kstat, kstat_open, [ - os_mon_programs="$os_mon_programs cpu_sup" + use_cpu_sup=yes CPU_SUP_LIBS="$CPU_SUP_LIBS -lkstat" ]) +AC_CHECK_LIB(kvm, kvm_open, [ + use_cpu_sup=yes + CPU_SUP_LIBS="$CPU_SUP_LIBS -lkvm" + ]) + case $host_os in solaris2*) os_mon_programs="$os_mon_programs ferrule mod_syslog" ;; + darwin*) + use_cpu_sup=yes ;; + openbsd*) + use_cpu_sup=yes ;; linux*) - os_mon_programs="$os_mon_programs cpu_sup" ;; + use_cpu_sup=yes ;; + freebsd*) + use_cpu_sup=yes ;; esac - +if test "$use_cpu_sup" = "yes"; then + os_mon_programs="$os_mon_programs cpu_sup" +fi + 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)]) @@ -4467,12 +4758,12 @@ 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, + dnl Make sure it's at least JDK 1.6 + AC_CACHE_CHECK(for JDK version 1.6, + ac_cv_prog_javac_ver_1_6, [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 + ac_cv_prog_javac_ver_1_6=yes, ac_cv_prog_javac_ver_1_6=no)]) + if test $ac_cv_prog_javac_ver_1_6 = no; then unset -v JAVAC fi fi @@ -4593,7 +4884,7 @@ AH_BOTTOM([ #define HAVE_GETHRVTIME #endif -#ifndef HAVE_FINITE +#if !defined(HAVE_ISFINITE) && !defined(HAVE_FINITE) # if defined(HAVE_ISINF) && defined(HAVE_ISNAN) # define USE_ISINF_ISNAN # endif @@ -4609,6 +4900,31 @@ if test "x$GCC" = xyes; then fi dnl ---------------------------------------------------------------------- +dnl Enable -fsanitize= flags. +dnl ---------------------------------------------------------------------- + +m4_define(DEFAULT_SANITIZERS, [address,undefined]) +AC_ARG_ENABLE( + sanitizers, + AS_HELP_STRING( + [--enable-sanitizers@<:@=comma-separated list of sanitizers@:>@], + [Default=DEFAULT_SANITIZERS]), +[ +case "$enableval" in + no) sanitizers= ;; + yes) sanitizers="-fsanitize=DEFAULT_SANITIZERS" ;; + *) sanitizers="-fsanitize=$enableval" ;; +esac +CFLAGS="$CFLAGS $sanitizers" +LDFLAGS="$LDFLAGS $sanitizers" +]) + +dnl ---------------------------------------------------------------------- +dnl Check for log2 +dnl ---------------------------------------------------------------------- +AC_CHECK_FUNCS([log2]) + +dnl ---------------------------------------------------------------------- dnl Output the result. dnl ---------------------------------------------------------------------- @@ -4624,6 +4940,7 @@ AC_OUTPUT( Makefile:Makefile.in ../make/$host/otp.mk:../make/otp.mk.in ../make/$host/otp_ded.mk:../make/otp_ded.mk.in + ../make/$host/ose_lm.mk:../make/ose_lm.mk.in dnl dnl The ones below should be moved to their respective lib dnl |