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Provide explicit program when trying to link pthread_create.

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Contributed by Albert Chin in discussion of bug #210665.
This commit is contained in:
Martin v. Löwis 2001-10-08 13:17:28 +00:00
parent b58f1c0c03
commit 8158b5ad09
2 changed files with 252 additions and 250 deletions
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486
configure vendored
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16
configure.in
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@ -952,15 +952,27 @@ else
LIBS="-lpth $LIBS"
LIBOBJS="$LIBOBJS thread.o"],[
AC_MSG_RESULT(no)
AC_CHECK_LIB(pthread, pthread_create, [AC_DEFINE(WITH_THREAD)
# Just looking for pthread_create in libpthread is not enough:
# on HP/UX, pthread.h renames pthread_create to a different symbol name.
# So we really have to include pthread.h, and then link.
_libs=$LIBS
LIBS="$LIBS -lpthread"
AC_MSG_CHECKING([for pthread_create in -lpthread])
AC_TRY_LINK([#include <pthread.h>
void * start_routine (void *arg) { exit (0); }], [
pthread_create (NULL, NULL, start_routine, NULL)], [
AC_MSG_RESULT(yes)
AC_DEFINE(WITH_THREAD)
case $ac_sys_system in
Darwin*) ;;
*) AC_DEFINE(_POSIX_THREADS)
posix_threads=yes
;;
esac
LIBS="-lpthread $LIBS"
LIBOBJS="$LIBOBJS thread.o"],[
LIBS=$_libs
AC_CHECK_FUNC(pthread_detach, [AC_DEFINE(WITH_THREAD)
case $ac_sys_system in
Darwin*) ;;