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Also look in -lposix4 for sem_init. Fixes #618615.

This commit is contained in:
Martin v. Löwis 2002-10-06 11:48:09 +00:00
parent 638a1e2dc1
commit 82c19a74b2
2 changed files with 65 additions and 20 deletions
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82
configure vendored
View File

@ -1,5 +1,5 @@
#! /bin/sh
# From configure.in Revision: 1.350 .
# From configure.in Revision: 1.351 .
# Guess values for system-dependent variables and create Makefiles.
# Generated by GNU Autoconf 2.53.
#
@ -9219,14 +9219,13 @@ _ACEOF
fi
# Dynamic linking for HP-UX
echo "$as_me:$LINENO: checking for sem_init in -lrt" >&5
echo $ECHO_N "checking for sem_init in -lrt... $ECHO_C" >&6
if test "${ac_cv_lib_rt_sem_init+set}" = set; then
echo "$as_me:$LINENO: checking for library containing sem_init" >&5
echo $ECHO_N "checking for library containing sem_init... $ECHO_C" >&6
if test "${ac_cv_search_sem_init+set}" = set; then
echo $ECHO_N "(cached) $ECHO_C" >&6
else
ac_check_lib_save_LIBS=$LIBS
LIBS="-lrt $LIBS"
ac_func_search_save_LIBS=$LIBS
ac_cv_search_sem_init=no
cat >conftest.$ac_ext <<_ACEOF
#line $LINENO "configure"
#include "confdefs.h"
@ -9264,26 +9263,71 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
ac_status=$?
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); }; }; then
ac_cv_lib_rt_sem_init=yes
ac_cv_search_sem_init="none required"
else
echo "$as_me: failed program was:" >&5
cat conftest.$ac_ext >&5
ac_cv_lib_rt_sem_init=no
fi
rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
LIBS=$ac_check_lib_save_LIBS
fi
echo "$as_me:$LINENO: result: $ac_cv_lib_rt_sem_init" >&5
echo "${ECHO_T}$ac_cv_lib_rt_sem_init" >&6
if test $ac_cv_lib_rt_sem_init = yes; then
cat >>confdefs.h <<_ACEOF
#define HAVE_LIBRT 1
if test "$ac_cv_search_sem_init" = no; then
for ac_lib in rt posix4; do
LIBS="-l$ac_lib $ac_func_search_save_LIBS"
cat >conftest.$ac_ext <<_ACEOF
#line $LINENO "configure"
#include "confdefs.h"
/* Override any gcc2 internal prototype to avoid an error. */
#ifdef __cplusplus
extern "C"
#endif
/* We use char because int might match the return type of a gcc2
builtin and then its argument prototype would still apply. */
char sem_init ();
#ifdef F77_DUMMY_MAIN
# ifdef __cplusplus
extern "C"
# endif
int F77_DUMMY_MAIN() { return 1; }
#endif
int
main ()
{
sem_init ();
;
return 0;
}
_ACEOF
LIBS="-lrt $LIBS"
rm -f conftest.$ac_objext conftest$ac_exeext
if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
(eval $ac_link) 2>&5
ac_status=$?
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); } &&
{ ac_try='test -s conftest$ac_exeext'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); }; }; then
ac_cv_search_sem_init="-l$ac_lib"
break
else
echo "$as_me: failed program was:" >&5
cat conftest.$ac_ext >&5
fi
rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
done
fi
LIBS=$ac_func_search_save_LIBS
fi
echo "$as_me:$LINENO: result: $ac_cv_search_sem_init" >&5
echo "${ECHO_T}$ac_cv_search_sem_init" >&6
if test "$ac_cv_search_sem_init" != no; then
test "$ac_cv_search_sem_init" = "none required" || LIBS="$ac_cv_search_sem_init $LIBS"
fi
# 'Real Time' functions on Solaris
# 'Real Time' functions on Solaris,
# posix4 on Solaris 2.6
# checks for system dependent C++ extensions support
case "$ac_sys_system" in

3
configure.in
View File

@ -1093,7 +1093,8 @@ AC_MSG_RESULT($SHLIBS)
# checks for libraries
AC_CHECK_LIB(dl, dlopen) # Dynamic linking for SunOS/Solaris and SYSV
AC_CHECK_LIB(dld, shl_load) # Dynamic linking for HP-UX
AC_CHECK_LIB(rt, sem_init) # 'Real Time' functions on Solaris
AC_SEARCH_LIBS(sem_init, rt posix4) # 'Real Time' functions on Solaris,
# posix4 on Solaris 2.6
# checks for system dependent C++ extensions support
case "$ac_sys_system" in