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Add check for pthread_mutex_lock() in -lpthread (or otherwise).

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Regenerated configure w/ autoconf-2.57.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10293 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Brian Gaeke 2003-12-05 19:29:01 +00:00
parent a327e7fea9
commit 5f268f7760
2 changed files with 115 additions and 0 deletions
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4
autoconf/configure.ac
View File

@ -294,6 +294,10 @@ AC_SEARCH_LIBS(dlopen,dl,AC_DEFINE([HAVE_DLOPEN],[1],[Define if dlopen() is avai
dnl mallinfo is optional; the code can compile (minus features) without it
AC_SEARCH_LIBS(mallinfo,malloc,AC_DEFINE([HAVE_MALLINFO],[1],[Define if mallinfo() is available on this platform.]))
dnl pthread locking functions are optional - but llvm will not be thread-safe
dnl without locks.
AC_SEARCH_LIBS(pthread_mutex_lock,pthread,AC_DEFINE(HAVE_PTHREAD_MUTEX_LOCK,1,[Define if PThread mutexes (e.g., pthread_mutex_lock) are available in the system's thread library.]))
dnl
dnl The math libraries are used by the test code, but not by the actual LLVM
dnl code.

111
configure vendored
View File

@ -18956,6 +18956,117 @@ _ACEOF
fi
echo "$as_me:$LINENO: checking for library containing pthread_mutex_lock" >&5
echo $ECHO_N "checking for library containing pthread_mutex_lock... $ECHO_C" >&6
if test "${ac_cv_search_pthread_mutex_lock+set}" = set; then
echo $ECHO_N "(cached) $ECHO_C" >&6
else
ac_func_search_save_LIBS=$LIBS
ac_cv_search_pthread_mutex_lock=no
cat >conftest.$ac_ext <<_ACEOF
#line $LINENO "configure"
/* confdefs.h. */
_ACEOF
cat confdefs.h >>conftest.$ac_ext
cat >>conftest.$ac_ext <<_ACEOF
/* end confdefs.h. */
/* Override any gcc2 internal prototype to avoid an error. */
#ifdef __cplusplus
extern "C"
#endif
/* We use char because int might match the return type of a gcc2
builtin and then its argument prototype would still apply. */
char pthread_mutex_lock ();
int
main ()
{
pthread_mutex_lock ();
;
return 0;
}
_ACEOF
rm -f conftest.$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 $ac_status); }; }; then
ac_cv_search_pthread_mutex_lock="none required"
else
echo "$as_me: failed program was:" >&5
sed 's/^/| /' conftest.$ac_ext >&5
fi
rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
if test "$ac_cv_search_pthread_mutex_lock" = no; then
for ac_lib in pthread; do
LIBS="-l$ac_lib $ac_func_search_save_LIBS"
cat >conftest.$ac_ext <<_ACEOF
#line $LINENO "configure"
/* confdefs.h. */
_ACEOF
cat confdefs.h >>conftest.$ac_ext
cat >>conftest.$ac_ext <<_ACEOF
/* end confdefs.h. */
/* Override any gcc2 internal prototype to avoid an error. */
#ifdef __cplusplus
extern "C"
#endif
/* We use char because int might match the return type of a gcc2
builtin and then its argument prototype would still apply. */
char pthread_mutex_lock ();
int
main ()
{
pthread_mutex_lock ();
;
return 0;
}
_ACEOF
rm -f conftest.$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 $ac_status); }; }; then
ac_cv_search_pthread_mutex_lock="-l$ac_lib"
break
else
echo "$as_me: failed program was:" >&5
sed 's/^/| /' conftest.$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: $ac_cv_search_pthread_mutex_lock" >&5
echo "${ECHO_T}$ac_cv_search_pthread_mutex_lock" >&6
if test "$ac_cv_search_pthread_mutex_lock" != no; then
test "$ac_cv_search_pthread_mutex_lock" = "none required" || LIBS="$ac_cv_search_pthread_mutex_lock $LIBS"
cat >>confdefs.h <<\_ACEOF
#define HAVE_PTHREAD_MUTEX_LOCK 1
_ACEOF
fi
echo "$as_me:$LINENO: checking for ANSI C header files" >&5
echo $ECHO_N "checking for ANSI C header files... $ECHO_C" >&6