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-rw-r--r--erts/configure.in152
1 files changed, 130 insertions, 22 deletions
diff --git a/erts/configure.in b/erts/configure.in
index 6ad1951a4e..f17f4cb5c8 100644
--- a/erts/configure.in
+++ b/erts/configure.in
@@ -2,7 +2,7 @@ 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 Copyright Ericsson AB 1997-2013. 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
@@ -150,6 +150,14 @@ 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],
@@ -429,7 +437,7 @@ 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=0x0500 -DWINVER=0x0500"
+ CPPFLAGS="$CPPFLAGS -D_WIN32_WINNT=0x0501 -DWINVER=0x0501"
;;
darwin*)
CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE"
@@ -537,6 +545,9 @@ else
fi
if test "x$GCC" = xyes; then
+ # Treat certain GCC warnings as errors
+ LM_TRY_ENABLE_CFLAG([-Werror=return-type], [WERRORFLAGS])
+
# until the emulator can handle this, I suggest we turn it off!
#WFLAGS="-Wall -Wshadow -Wcast-qual -Wmissing-declarations"
WFLAGS="-Wall -Wstrict-prototypes"
@@ -559,11 +570,13 @@ if test "x$GCC" = xyes; then
CFLAGS=$saved_CFLAGS
else
WFLAGS=""
+ WERRORFLAGS=""
fi
dnl DEBUG_FLAGS is obsolete (I hope)
AC_SUBST(DEBUG_FLAGS)
AC_SUBST(DEBUG_CFLAGS)
AC_SUBST(WFLAGS)
+AC_SUBST(WERRORFLAGS)
AC_SUBST(CFLAG_RUNTIME_LIBRARY_PATH)
AC_CHECK_SIZEOF(void *) # Needed for ARCH and smp checks below
@@ -619,6 +632,7 @@ case $chk_arch_ in
armv5teb) ARCH=arm;;
armv5tel) ARCH=arm;;
armv5tejl) ARCH=arm;;
+ armv6l) ARCH=arm;;
armv7l) ARCH=arm;;
tile) ARCH=tile;;
*) ARCH=noarch;;
@@ -735,12 +749,8 @@ 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 "
+ LIBCARBON="-framework Carbon -framework Cocoa"
AC_MSG_RESULT([yes])
;;
*)
@@ -826,6 +836,12 @@ if test -z "$FOP"; then
AC_MSG_WARN([No 'fop' command found: going to generate placeholder PDF files])
fi
+AC_CHECK_PROGS(XMLLINT, xmllint)
+if test -z "$XMLLINT"; then
+ echo "xmllint" >> doc/CONF_INFO
+ AC_MSG_WARN([No 'xmllint' command found: can't run the xmllint target for the documentation])
+fi
+
dnl
dnl We can live with Solaris /usr/ucb/install
dnl
@@ -1035,11 +1051,18 @@ 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-$ethr_have_native_spinlock" in
yes-*)
;;
- no-yes)
+ no-yes-*)
+ AC_MSG_ERROR([No native atomic implementation found. See Configuring section in INSTALL.md for more information.])
+ ;;
+
+ no-no-yes)
test -f "$ERL_TOP/erts/CONF_INFO" ||
echo "" > "$ERL_TOP/erts/CONF_INFO"
@@ -1048,12 +1071,13 @@ 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"
@@ -1063,7 +1087,7 @@ 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
;;
@@ -1076,7 +1100,62 @@ fi
AC_SUBST(ERTS_BUILD_SMP_EMU)
AC_CHECK_FUNCS([posix_fadvise])
+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,[
+ AC_TRY_LINK([
+ #include <stdio.h>
+ #include <stdlib.h>
+ #include <fcntl.h>
+ #include <unistd.h>
+ #include <fcntl.h>
+ #include <linux/falloc.h>
+ ],
+ [
+ int fd = creat("conftest.temp", 0600);
+ fallocate(fd, FALLOC_FL_KEEP_SIZE,(off_t) 1024,(off_t) 1024);
+ ], i_cv_fallocate_works=yes, i_cv_fallocate_works=no)
+])
+if test $i_cv_fallocate_works = yes; then
+ AC_DEFINE(HAVE_FALLOCATE, 1, Define if you have a working fallocate())
+fi
+dnl * Old glibcs have broken posix_fallocate(). Make sure not to use it.
+dnl * It may also be broken in AIX.
+AC_CACHE_CHECK([whether posix_fallocate() works],i_cv_posix_fallocate_works,[
+ AC_TRY_RUN([
+ #if !defined(__sun) && !defined(__sun__)
+ #define _XOPEN_SOURCE 600
+ #endif
+ #include <stdio.h>
+ #include <stdlib.h>
+ #include <fcntl.h>
+ #include <unistd.h>
+ #if defined(__GLIBC__) && (__GLIBC__ < 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ < 7))
+ possibly broken posix_fallocate
+ #endif
+ int main() {
+ int fd = creat("conftest.temp", 0600);
+ int ret;
+ if (-1 == fd) {
+ perror("creat()");
+ return 2;
+ }
+ ret = posix_fallocate(fd, 1024, 1024) < 0 ? 1 : 0;
+ unlink("conftest.temp");
+ return ret;
+ }
+ ], [
+ i_cv_posix_fallocate_works=yes
+ ], [
+ i_cv_posix_fallocate_works=no
+ ], [
+ i_cv_posix_fallocate_works=no
+ ])
+])
+if test $i_cv_posix_fallocate_works = yes; then
+ AC_DEFINE(HAVE_POSIX_FALLOCATE,, Define if you have a working posix_fallocate())
+fi
#
# Figure out if the emulator should use threads. The default is set above
@@ -1280,6 +1359,17 @@ if test "x$TERMCAP_LIB" != "x"; then
AC_DEFINE(HAVE_TERMCAP, 1, [Define if termcap functions exists])
fi
+if test "X$host" != "Xwin32"; then
+ AC_MSG_CHECKING(for wcwidth)
+ AC_TRY_LINK([#include <wchar.h>], [wcwidth(0);],
+ have_wcwidth=yes, have_wcwidth=no)
+ if test $have_wcwidth = yes; then
+ AC_MSG_RESULT([yes])
+ AC_DEFINE(HAVE_WCWIDTH, [1],
+ [Define to 1 if you have a `wcwidth' function.])
+ fi
+fi
+
dnl -------------
dnl zlib
dnl -------------
@@ -1589,6 +1679,10 @@ if test x"$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)
@@ -1879,12 +1973,21 @@ 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 \
+ pread pwrite memmove strerror strerror_r strncasecmp \
+ gethrtime localtime_r gmtime_r inet_pton posix_memalign \
+ mmap mremap memcpy mallopt sbrk _sbrk __sbrk brk _brk __brk \
flockfile fstat strlcpy strlcat setsid posix2time time2posix \
setlocale nl_langinfo poll])
+dnl writev on OS X snow leopard is broken for files > 4GB
+case $host_os in
+ darwin10.8.0)
+ AC_MSG_CHECKING([for writev])
+ AC_MSG_RESULT(no, not stable on OS X Snow Leopard) ;;
+ *)
+ AC_CHECK_FUNCS([writev]) ;;
+esac
+
AC_CHECK_DECLS([posix2time, time2posix],,,[#include <time.h>])
disable_vfork=false
@@ -2000,8 +2103,12 @@ case "$erts_cv_have_in6addr_loopback" in
[Define to 1 if you have the variable in6addr_loopback declared.])
esac
-AC_CHECK_DECLS([IN6ADDR_ANY_INIT, IN6ADDR_LOOPBACK_INIT], [], [],
- [#include <netinet/in.h>])
+AC_CHECK_DECLS([IN6ADDR_ANY_INIT, IN6ADDR_LOOPBACK_INIT, IPV6_V6ONLY], [], [],
+ [
+ #include <sys/types.h>
+ #include <sys/socket.h>
+ #include <netinet/in.h>
+ ])
dnl ----------------------------------------------------------------------
dnl Checks for features/quirks in the system that affects Erlang.
@@ -3501,10 +3608,7 @@ DED_EXT=so
case $host_os in
win32) DED_EXT=dll;;
darwin*)
- DED_CFLAGS="$DED_CFLAGS -fno-common"
- if test "X$STATIC_CFLAGS" = "X"; then
- STATIC_CFLAGS="-mdynamic-no-pic"
- fi;;
+ DED_CFLAGS="$DED_CFLAGS -fno-common";;
*)
;;
esac
@@ -4457,7 +4561,7 @@ dnl needs to be rebuilt.
dnl
AC_DEFINE_UNQUOTED(ERTS_EMU_CMDLINE_FLAGS,
-"$STATIC_CFLAGS $CFLAGS $DEBUG_CFLAGS $EMU_THR_DEFS $DEFS $WFLAGS",
+"$STATIC_CFLAGS $CFLAGS $DEBUG_CFLAGS $EMU_THR_DEFS $DEFS $WERRORFLAGS $WFLAGS",
[The only reason ERTS_EMU_CMDLINE_FLAGS exists is to force modification of config.h when the emulator command line flags are modified by configure])
dnl ----------------------------------------------------------------------
@@ -4520,6 +4624,10 @@ AH_BOTTOM([
#endif
])
+if test "x$GCC" = xyes; then
+ CFLAGS="$WERRORFLAGS $CFLAGS"
+fi
+
dnl ----------------------------------------------------------------------
dnl Output the result.
dnl ----------------------------------------------------------------------
generated by cgit v1.2.3 (git 2.25.1) at 2024-08-25 05:10:12 +0000