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

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Regenerated configure w/ autoconf-2.57.

llvm-svn: 10293
This commit is contained in:
Brian Gaeke 2003-12-05 19:29:01 +00:00
parent f3373f7bc9
commit 35bc966ddd
2 changed files with 115 additions and 0 deletions
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4
autoconf/configure.ac
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@ -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 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.])) 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
dnl The math libraries are used by the test code, but not by the actual LLVM dnl The math libraries are used by the test code, but not by the actual LLVM
dnl code. dnl code.

111
configure vendored
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@ -18956,6 +18956,117 @@ _ACEOF
fi 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:$LINENO: checking for ANSI C header files" >&5 echo "$as_me:$LINENO: checking for ANSI C header files" >&5
echo $ECHO_N "checking for ANSI C header files... $ECHO_C" >&6 echo $ECHO_N "checking for ANSI C header files... $ECHO_C" >&6