Pthread library check. Autoconf uses same cache variable based

upon library and function, but not secondary libraries.  Must use
different functions in such cases.

diff --git a/configure b/configure
index 916ffa6009b59c3dc29f149c5ee43c290601251c..228c960759e9a4a3a2856e08383974a6aebb3712 100755 (executable)
--- a/configure
+++ b/configure
@@ -2926,9 +2926,9 @@ echo "$ac_t""$ol_cv_thread_flag" 1>&6
 
                if test $ol_link_threads = no ; then
                                                save_LIBS="$LIBS"
-                       echo $ac_n "checking for pthread_create in -lpthread""... $ac_c" 1>&6
-echo "configure:2931: checking for pthread_create in -lpthread" >&5
-ac_lib_var=`echo pthread'_'pthread_create | sed 'y%./+-%__p_%'`
+                       echo $ac_n "checking for pthread_join in -lpthread""... $ac_c" 1>&6
+echo "configure:2931: checking for pthread_join in -lpthread" >&5
+ac_lib_var=`echo pthread'_'pthread_join | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2940,10 +2940,10 @@ cat > conftest.$ac_ext <<EOF
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
     builtin and then its argument prototype would still apply.  */
-char pthread_create();
+char pthread_join();
 
 int main() {
-pthread_create()
+pthread_join()
 ; return 0; }
 EOF
 if { (eval echo configure:2950: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
@@ -2977,9 +2977,9 @@ fi
 
                if test $ol_link_threads = no ; then
                                                save_LIBS="$LIBS"
-                       echo $ac_n "checking for pthread_create in -lpthreads""... $ac_c" 1>&6
-echo "configure:2982: checking for pthread_create in -lpthreads" >&5
-ac_lib_var=`echo pthreads'_'pthread_create | sed 'y%./+-%__p_%'`
+                       echo $ac_n "checking for pthread_join in -lpthreads""... $ac_c" 1>&6
+echo "configure:2982: checking for pthread_join in -lpthreads" >&5
+ac_lib_var=`echo pthreads'_'pthread_join | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2991,10 +2991,10 @@ cat > conftest.$ac_ext <<EOF
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
     builtin and then its argument prototype would still apply.  */
-char pthread_create();
+char pthread_join();
 
 int main() {
-pthread_create()
+pthread_join()
 ; return 0; }
 EOF
 if { (eval echo configure:3001: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then

diff --git a/configure.in b/configure.in
index 5069437409d4eb6defe83b0d7456d7f9335d136c..0f8893581c7aab8ba8df66ed3eea82c298c8aa4d 100644 (file)
--- a/configure.in
+++ b/configure.in
@@ -394,7 +394,7 @@ if test $ol_with_threads = auto -o $ol_with_threads = posix ; then
                if test $ol_link_threads = no ; then
                        dnl try DEC Threads -lpthread -lexc
                        save_LIBS="$LIBS"
-                       AC_CHECK_LIB(pthread, pthread_create, [
+                       AC_CHECK_LIB(pthread, pthread_join, [
                                ol_link_threads=posix
                                LTHREAD_LIBS="$LTHREAD_LIBS -lpthread -lexc"
                                if test $ol_with_preemptive = auto ; then
@@ -407,7 +407,7 @@ if test $ol_with_threads = auto -o $ol_with_threads = posix ; then
                if test $ol_link_threads = no ; then
                        dnl try DEC Threads -lpthreads -lmach -lexc -lc_r
                        save_LIBS="$LIBS"
-                       AC_CHECK_LIB(pthreads, pthread_create, [
+                       AC_CHECK_LIB(pthreads, pthread_join, [
                                ol_link_threads=posix
                                LTHREAD_LIBS="$LTHREAD_LIBS -lpthreads -lmach -lexc -lc_r"
                                if test $ol_with_preemptive = auto ; then