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-rw-r--r--erts/aclocal.m469
-rw-r--r--erts/configure.in32
2 files changed, 84 insertions, 17 deletions
diff --git a/erts/aclocal.m4 b/erts/aclocal.m4
index 013bfe5652..6c0544da31 100644
--- a/erts/aclocal.m4
+++ b/erts/aclocal.m4
@@ -736,10 +736,23 @@ AC_DEFUN(ERL_MONOTONIC_CLOCK,
;;
esac
+ clock_gettime_lib=""
+ AC_CHECK_LIB(rt, clock_gettime, [clock_gettime_lib="-lrt"])
+
+ save_LIBS="$LIBS"
+ LIBS="$LIBS $clock_gettime_lib"
+
+ if test "$LD_MAY_BE_WEAK" != "no"; then
+ trust_test="#error May not be there due to weak linking"
+ else
+ trust_test=""
+ fi
+
AC_CACHE_CHECK([for clock_gettime(CLOCK_MONOTONIC_RAW, _)], erl_cv_clock_gettime_monotonic_raw,
[
- AC_TRY_COMPILE([
+ AC_TRY_LINK([
#include <time.h>
+$trust_test
],
[
struct timespec ts;
@@ -755,8 +768,9 @@ AC_DEFUN(ERL_MONOTONIC_CLOCK,
AC_CACHE_CHECK([for clock_gettime() with ${check_msg}monotonic clock type], erl_cv_clock_gettime_monotonic_$1,
[
for clock_type in $prefer_resolution_clock_gettime_monotonic $default_resolution_clock_gettime_monotonic $high_resolution_clock_gettime_monotonic $low_resolution_clock_gettime_monotonic; do
- AC_TRY_COMPILE([
+ AC_TRY_LINK([
#include <time.h>
+$trust_test
],
[
struct timespec ts;
@@ -771,7 +785,15 @@ AC_DEFUN(ERL_MONOTONIC_CLOCK,
done
])
- AC_CHECK_FUNCS([clock_getres clock_get_attributes gethrtime])
+ LIBS="$save_LIBS"
+
+ if test "$LD_MAY_BE_WEAK" != "no"; then
+ check_for_clock_getres=
+ else
+ check_for_clock_getres=clock_getres
+ fi
+
+ AC_CHECK_FUNCS([$check_for_clock_getres clock_get_attributes gethrtime])
AC_CACHE_CHECK([for mach clock_get_time() with monotonic clock type], erl_cv_mach_clock_get_time_monotonic,
[
@@ -840,7 +862,7 @@ AC_DEFUN(ERL_MONOTONIC_CLOCK,
break
fi
done
- AC_CHECK_LIB(rt, clock_gettime, [erl_monotonic_clock_lib="-lrt"])
+ erl_monotonic_clock_lib=$clock_gettime_lib
;;
mach_clock_get_time)
erl_monotonic_clock_id=SYSTEM_CLOCK
@@ -879,11 +901,24 @@ AC_DEFUN(ERL_WALL_CLOCK,
;;
esac
+ clock_gettime_lib=""
+ AC_CHECK_LIB(rt, clock_gettime, [clock_gettime_lib="-lrt"])
+
+ save_LIBS="$LIBS"
+ LIBS="$LIBS $clock_gettime_lib"
+
+ if test "$LD_MAY_BE_WEAK" != "no"; then
+ trust_test="#error May not be there due to weak linking"
+ else
+ trust_test=""
+ fi
+
AC_CACHE_CHECK([for clock_gettime() with ${check_msg}wall clock type], erl_cv_clock_gettime_wall_$1,
[
for clock_type in $prefer_resolution_clock_gettime_wall $default_resolution_clock_gettime_wall $high_resolution_clock_gettime_wall $low_resolution_clock_gettime_wall; do
- AC_TRY_COMPILE([
+ AC_TRY_LINK([
#include <time.h>
+$trust_test
],
[
struct timespec ts;
@@ -898,7 +933,15 @@ AC_DEFUN(ERL_WALL_CLOCK,
done
])
- AC_CHECK_FUNCS([clock_getres clock_get_attributes gettimeofday])
+ LIBS="$save_LIBS"
+
+ if test "$LD_MAY_BE_WEAK" != "no"; then
+ check_for_clock_getres=
+ else
+ check_for_clock_getres=clock_getres
+ fi
+
+ AC_CHECK_FUNCS([$check_for_clock_getres clock_get_attributes gettimeofday])
AC_CACHE_CHECK([for mach clock_get_time() with wall clock type], erl_cv_mach_clock_get_time_wall,
[
@@ -919,6 +962,7 @@ AC_DEFUN(ERL_WALL_CLOCK,
erl_cv_mach_clock_get_time_wall=no)
])
+ erl_wall_clock_lib=
erl_wall_clock_low_resolution=no
erl_wall_clock_id=
case $1-$erl_cv_clock_gettime_wall_$1-$erl_cv_mach_clock_get_time_wall-$ac_cv_func_gettimeofday-$host_os in
@@ -932,6 +976,7 @@ AC_DEFUN(ERL_WALL_CLOCK,
;;
*-CLOCK_*-*-*-*)
erl_wall_clock_func=clock_gettime
+ erl_wall_clock_lib=$clock_gettime_lib
erl_wall_clock_id=$erl_cv_clock_gettime_wall_$1
for low_res_id in $low_resolution_clock_gettime_wall; do
if test $erl_wall_clock_id = $low_res_id; then
@@ -1680,7 +1725,7 @@ case "$THR_LIB_NAME" in
AC_DEFINE(ETHR_HAVE_SCHED_YIELD, 1, [Define if you have the sched_yield() function.])
AC_MSG_CHECKING([whether sched_yield() returns an int])
sched_yield_ret_int=no
- AC_TRY_COMPILE([
+ AC_TRY_LINK([
#ifdef ETHR_HAVE_SCHED_H
#include <sched.h>
#endif
@@ -1699,7 +1744,7 @@ case "$THR_LIB_NAME" in
AC_DEFINE(ETHR_HAVE_PTHREAD_YIELD, 1, [Define if you have the pthread_yield() function.])
AC_MSG_CHECKING([whether pthread_yield() returns an int])
pthread_yield_ret_int=no
- AC_TRY_COMPILE([
+ AC_TRY_LINK([
#if defined(ETHR_NEED_NPTL_PTHREAD_H)
#include <nptl/pthread.h>
#elif defined(ETHR_HAVE_MIT_PTHREAD_H)
@@ -2436,7 +2481,13 @@ if test $erl_monotonic_clock_low_resolution = yes; then
AC_DEFINE(ERTS_HAVE_LOW_RESOLUTION_OS_MONOTONIC_LOW, [1], [Define if you have a low resolution OS monotonic clock])
fi
-xrtlib="$erl_monotonic_clock_lib"
+xrtlib=
+if test "$erl_monotonic_clock_lib" != ""; then
+ xrtlib="$erl_monotonic_clock_lib"
+fi
+if test "$erl_wall_clock_lib" != ""; then
+ xrtlib="$erl_wall_clock_lib"
+fi
if test "x$erl_monotonic_clock_id" != "x"; then
AC_DEFINE_UNQUOTED(MONOTONIC_CLOCK_ID_STR, ["$erl_monotonic_clock_id"], [Define as a string of monotonic clock id to use])
AC_DEFINE_UNQUOTED(MONOTONIC_CLOCK_ID, [$erl_monotonic_clock_id], [Define to monotonic clock id to use])
diff --git a/erts/configure.in b/erts/configure.in
index 5c95f2fa35..80f1efe05b 100644
--- a/erts/configure.in
+++ b/erts/configure.in
@@ -875,6 +875,22 @@ dnl for now that is the way we do it.
USER_LD=$LD
USER_LDFLAGS="$LDFLAGS"
LD='$(CC)'
+case $host_os in
+ darwin*)
+ saved_LDFLAGS="$LDFLAGS"
+ LDFLAGS="$LDFLAGS -Wl,-no_weak_imports"
+ AC_TRY_LINK([],[],
+ [
+ LD_MAY_BE_WEAK=no
+ ],
+ [
+ LD_MAY_BE_WEAK=yes
+ LDFLAGS="$saved_LDFLAGS"
+ ]);;
+ *)
+ LD_MAY_BE_WEAK=no;;
+esac
+
AC_SUBST(LD)
LDFLAG_RUNTIME_LIBRARY_PATH="$CFLAG_RUNTIME_LIBRARY_PATH"
@@ -1964,7 +1980,7 @@ getaddrinfo("","",NULL,NULL);
if test $have_getaddrinfo = yes; then
AC_MSG_RESULT([yes])
AC_MSG_CHECKING([whether getaddrinfo accepts enough flags])
- AC_TRY_COMPILE([
+ AC_TRY_LINK([
#include <stdlib.h>
#include <string.h>
#ifdef HAVE_WINSOCK2_H
@@ -2221,7 +2237,7 @@ 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>],
+AC_TRY_LINK([#include <sched.h>],
[
#ifndef CPU_SETSIZE
#error no CPU_SETSIZE
@@ -2244,7 +2260,7 @@ fi
AC_MSG_CHECKING([for pset functionality])
-AC_TRY_COMPILE([#include <sys/pset.h>],
+AC_TRY_LINK([#include <sys/pset.h>],
[
int res;
psetid_t id = PS_MYID;
@@ -2262,7 +2278,7 @@ if test $pset_functionality = yes; then
fi
AC_MSG_CHECKING([for processor_bind functionality])
-AC_TRY_COMPILE([
+AC_TRY_LINK([
#include <sys/types.h>
#include <sys/processor.h>
#include <sys/procset.h>
@@ -2278,7 +2294,7 @@ if test $processor_bind_functionality = yes; then
fi
AC_MSG_CHECKING([for cpuset_getaffinity/cpuset_setaffinity])
-AC_TRY_COMPILE([
+AC_TRY_LINK([
#include <sys/param.h>
#include <sys/cpuset.h>
],
@@ -2477,7 +2493,7 @@ if test "x$ac_cv_func_sbrk" = "xyes"; then
for rtype in $ret_types; do
for atype in $arg_types; do
IFS=$save_ifs
- AC_TRY_COMPILE([#include <sys/types.h>
+ AC_TRY_LINK([#include <sys/types.h>
#include <unistd.h>],
[$rtype sbrk($atype incr);],
[erts_cv_sbrk_ret_arg_types="$rtype,$atype"])
@@ -2514,7 +2530,7 @@ if test $ac_cv_func_brk = yes; then
for rtype in $ret_types; do
for atype in $arg_types; do
IFS=$save_ifs
- AC_TRY_COMPILE([#include <sys/types.h>
+ AC_TRY_LINK([#include <sys/types.h>
#include <unistd.h>],
[$rtype brk($atype endds);],
[erts_cv_brk_ret_arg_types="$rtype,$atype"])
@@ -3536,7 +3552,7 @@ fi
#
if test $have_kernel_poll = epoll; then
AC_MSG_CHECKING([whether epoll is level triggered])
- AC_TRY_COMPILE([#include <sys/epoll.h>],[
+ AC_TRY_LINK([#include <sys/epoll.h>],[
#ifdef EPOLLET
/* Edge triggered option exist, assume level triggered
is default */
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-23 05:34:13 +0000