simplified test for thread libs

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@1895 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

diff --git a/configure b/configure
index ea188c2ef7c6fd938328db3d78d80ed1bb9b141f..42c046430e82ebe6dfb23555b4bb33497979dc4b 100755 (executable)
--- a/configure
+++ b/configure
@@ -7358,8 +7358,8 @@ THREADS_LINK=""
 UNIX_THREAD=""
 
 if test "$wxUSE_THREADS" = "1"; then
 UNIX_THREAD=""
 
 if test "$wxUSE_THREADS" = "1"; then

-     
-     echo $ac_n "checking for pthread_create in -lpthread-0.7""... $ac_c" 1>&6
+    
+        echo $ac_n "checking for pthread_create in -lpthread-0.7""... $ac_c" 1>&6

 echo "configure:7364: checking for pthread_create in -lpthread-0.7" >&5
 ac_lib_var=`echo pthread-0.7'_'pthread_create | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
 echo "configure:7364: checking for pthread_create in -lpthread-0.7" >&5
 ac_lib_var=`echo pthread-0.7'_'pthread_create | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then


@@ -7395,70 +7395,33 @@ fi
 if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
   echo "$ac_t""yes" 1>&6
   
 if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
   echo "$ac_t""yes" 1>&6
   

-       UNIX_THREAD="unix/threadpsx.cpp"
-       THREADS_LINK="pthread-0.7"
-     
-else
-  echo "$ac_t""no" 1>&6
-
-       ac_safe=`echo "sys/prctl.h" | sed 'y%./+-%__p_%'`
-echo $ac_n "checking for sys/prctl.h""... $ac_c" 1>&6
-echo "configure:7407: checking for sys/prctl.h" >&5
-if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
-  echo $ac_n "(cached) $ac_c" 1>&6
-else
-  cat > conftest.$ac_ext <<EOF
-#line 7412 "configure"
-#include "confdefs.h"
-#include <sys/prctl.h>
-EOF
-ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:7417: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
-ac_err=`grep -v '^ *+' conftest.out`
-if test -z "$ac_err"; then
-  rm -rf conftest*
-  eval "ac_cv_header_$ac_safe=yes"
-else
-  echo "$ac_err" >&5
-  echo "configure: failed program was:" >&5
-  cat conftest.$ac_ext >&5
-  rm -rf conftest*
-  eval "ac_cv_header_$ac_safe=no"
-fi
-rm -f conftest*
-fi
-if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then
-  echo "$ac_t""yes" 1>&6
-  
-          UNIX_THREAD="gtk/threadsgi.cpp"
-     
+        UNIX_THREAD="unix/threadpsx.cpp"
+        THREADS_LINK="pthread-0.7"
+    

 else
   echo "$ac_t""no" 1>&6
 else
   echo "$ac_t""no" 1>&6

-fi

 
 

-
-          
-     echo $ac_n "checking for pthread_setcanceltype in -lpthread""... $ac_c" 1>&6
-echo "configure:7443: checking for pthread_setcanceltype in -lpthread" >&5
-ac_lib_var=`echo pthread'_'pthread_setcanceltype | sed 'y%./+-%__p_%'`
+                echo $ac_n "checking for pthread_create in -lpthread""... $ac_c" 1>&6
+echo "configure:7406: checking for pthread_create in -lpthread" >&5
+ac_lib_var=`echo pthread'_'pthread_create | sed 'y%./+-%__p_%'`

 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   ac_save_LIBS="$LIBS"
 LIBS="-lpthread  $LIBS"
 cat > conftest.$ac_ext <<EOF
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   ac_save_LIBS="$LIBS"
 LIBS="-lpthread  $LIBS"
 cat > conftest.$ac_ext <<EOF

-#line 7451 "configure"
+#line 7414 "configure"

 #include "confdefs.h"
 /* 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.  */
 #include "confdefs.h"
 /* 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_setcanceltype();
+char pthread_create();

 
 int main() {
 
 int main() {

-pthread_setcanceltype()
+pthread_create()

 ; return 0; }
 EOF
 ; return 0; }
 EOF

-if { (eval echo configure:7462: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:7425: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then

   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else


@@ -7474,20 +7437,14 @@ fi
 if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
   echo "$ac_t""yes" 1>&6
   
 if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
   echo "$ac_t""yes" 1>&6
   

-       UNIX_THREAD="unix/threadpsx.cpp"
-       THREADS_LINK="pthread"
-     
+            UNIX_THREAD="unix/threadpsx.cpp"
+            THREADS_LINK="pthread"
+        

 else
   echo "$ac_t""no" 1>&6
 else
   echo "$ac_t""no" 1>&6

-fi
-
-    
-fi
-

 
 

-    if test "x$THREADS_LINK" = "x"; then
-                echo $ac_n "checking for pthread_create in -lc_r""... $ac_c" 1>&6
-echo "configure:7491: checking for pthread_create in -lc_r" >&5
+                        echo $ac_n "checking for pthread_create in -lc_r""... $ac_c" 1>&6
+echo "configure:7448: checking for pthread_create in -lc_r" >&5

 ac_lib_var=`echo c_r'_'pthread_create | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 ac_lib_var=`echo c_r'_'pthread_create | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6


@@ -7495,7 +7452,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lc_r  $LIBS"
 cat > conftest.$ac_ext <<EOF
   ac_save_LIBS="$LIBS"
 LIBS="-lc_r  $LIBS"
 cat > conftest.$ac_ext <<EOF

-#line 7499 "configure"
+#line 7456 "configure"

 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2


@@ -7506,7 +7463,7 @@ int main() {
 pthread_create()
 ; return 0; }
 EOF
 pthread_create()
 ; return 0; }
 EOF

-if { (eval echo configure:7510: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:7467: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then

   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else


@@ -7522,20 +7479,64 @@ fi
 if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
   echo "$ac_t""yes" 1>&6
   
 if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
   echo "$ac_t""yes" 1>&6
   

-                        UNIX_THREAD="unix/threadpsx.cpp"
-                        THREADS_LINK="c_r"
-                    
+                UNIX_THREAD="unix/threadpsx.cpp"
+                THREADS_LINK="c_r"
+            
+else
+  echo "$ac_t""no" 1>&6
+
+                                ac_safe=`echo "sys/prctl.h" | sed 'y%./+-%__p_%'`
+echo $ac_n "checking for sys/prctl.h""... $ac_c" 1>&6
+echo "configure:7491: checking for sys/prctl.h" >&5
+if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  cat > conftest.$ac_ext <<EOF
+#line 7496 "configure"
+#include "confdefs.h"
+#include <sys/prctl.h>
+EOF
+ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
+{ (eval echo configure:7501: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+ac_err=`grep -v '^ *+' conftest.out`
+if test -z "$ac_err"; then
+  rm -rf conftest*
+  eval "ac_cv_header_$ac_safe=yes"
+else
+  echo "$ac_err" >&5
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  eval "ac_cv_header_$ac_safe=no"
+fi
+rm -f conftest*
+fi
+if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then
+  echo "$ac_t""yes" 1>&6
+  
+                    UNIX_THREAD="gtk/threadsgi.cpp"
+                

 else
   echo "$ac_t""no" 1>&6
 fi
 
 else
   echo "$ac_t""no" 1>&6
 fi
 

-    fi
+            
+fi
+
+        
+fi
+
+    
+fi
+

 
     if test "$THREADS_LINK" != ""; then
 
     if test "$THREADS_LINK" != ""; then

-      cat >> confdefs.h <<\EOF
+        cat >> confdefs.h <<\EOF

 #define wxUSE_THREADS 1
 EOF
 
 #define wxUSE_THREADS 1
 EOF
 

+    else
+        echo "configure: warning: No thread support on this system" 1>&2

     fi
 fi
 
     fi
 fi
 


@@ -7550,17 +7551,17 @@ if test "$wxUSE_THREADS" = "1"; then
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6

-echo "configure:7554: checking for $ac_hdr" >&5
+echo "configure:7555: checking for $ac_hdr" >&5

 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF

-#line 7559 "configure"
+#line 7560 "configure"

 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"

-{ (eval echo configure:7564: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:7565: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }

 ac_err=`grep -v '^ *+' conftest.out`
 if test -z "$ac_err"; then
   rm -rf conftest*
 ac_err=`grep -v '^ *+' conftest.out`
 if test -z "$ac_err"; then
   rm -rf conftest*


@@ -7588,7 +7589,7 @@ done
 
 
   echo $ac_n "checking for sched_yield in -l$THREADS_LINK""... $ac_c" 1>&6
 
 
   echo $ac_n "checking for sched_yield in -l$THREADS_LINK""... $ac_c" 1>&6

-echo "configure:7592: checking for sched_yield in -l$THREADS_LINK" >&5
+echo "configure:7593: checking for sched_yield in -l$THREADS_LINK" >&5

 ac_lib_var=`echo $THREADS_LINK'_'sched_yield | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 ac_lib_var=`echo $THREADS_LINK'_'sched_yield | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6


@@ -7596,7 +7597,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-l$THREADS_LINK  $LIBS"
 cat > conftest.$ac_ext <<EOF
   ac_save_LIBS="$LIBS"
 LIBS="-l$THREADS_LINK  $LIBS"
 cat > conftest.$ac_ext <<EOF

-#line 7600 "configure"
+#line 7601 "configure"

 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2


@@ -7607,7 +7608,7 @@ int main() {
 sched_yield()
 ; return 0; }
 EOF
 sched_yield()
 ; return 0; }
 EOF

-if { (eval echo configure:7611: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:7612: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then

   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else


@@ -7629,7 +7630,7 @@ EOF
 else
   echo "$ac_t""no" 1>&6
 echo $ac_n "checking for sched_yield in -l"posix4"""... $ac_c" 1>&6
 else
   echo "$ac_t""no" 1>&6
 echo $ac_n "checking for sched_yield in -l"posix4"""... $ac_c" 1>&6

-echo "configure:7633: checking for sched_yield in -l"posix4"" >&5
+echo "configure:7634: checking for sched_yield in -l"posix4"" >&5

 ac_lib_var=`echo "posix4"'_'sched_yield | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 ac_lib_var=`echo "posix4"'_'sched_yield | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6


@@ -7637,7 +7638,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-l"posix4"  $LIBS"
 cat > conftest.$ac_ext <<EOF
   ac_save_LIBS="$LIBS"
 LIBS="-l"posix4"  $LIBS"
 cat > conftest.$ac_ext <<EOF

-#line 7641 "configure"
+#line 7642 "configure"

 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2


@@ -7648,7 +7649,7 @@ int main() {
 sched_yield()
 ; return 0; }
 EOF
 sched_yield()
 ; return 0; }
 EOF

-if { (eval echo configure:7652: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:7653: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then

   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else


@@ -7678,7 +7679,7 @@ fi
 
 
   echo $ac_n "checking for sched_get_priority_min in -l$THREADS_LINK""... $ac_c" 1>&6
 
 
   echo $ac_n "checking for sched_get_priority_min in -l$THREADS_LINK""... $ac_c" 1>&6

-echo "configure:7682: checking for sched_get_priority_min in -l$THREADS_LINK" >&5
+echo "configure:7683: checking for sched_get_priority_min in -l$THREADS_LINK" >&5

 ac_lib_var=`echo $THREADS_LINK'_'sched_get_priority_min | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 ac_lib_var=`echo $THREADS_LINK'_'sched_get_priority_min | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6


@@ -7686,7 +7687,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-l$THREADS_LINK  $LIBS"
 cat > conftest.$ac_ext <<EOF
   ac_save_LIBS="$LIBS"
 LIBS="-l$THREADS_LINK  $LIBS"
 cat > conftest.$ac_ext <<EOF

-#line 7690 "configure"
+#line 7691 "configure"

 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2


@@ -7697,7 +7698,7 @@ int main() {
 sched_get_priority_min()
 ; return 0; }
 EOF
 sched_get_priority_min()
 ; return 0; }
 EOF

-if { (eval echo configure:7701: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:7702: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then

   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else


@@ -7719,7 +7720,7 @@ EOF
 else
   echo "$ac_t""no" 1>&6
 echo $ac_n "checking for sched_get_priority_min in -l"posix4"""... $ac_c" 1>&6
 else
   echo "$ac_t""no" 1>&6
 echo $ac_n "checking for sched_get_priority_min in -l"posix4"""... $ac_c" 1>&6

-echo "configure:7723: checking for sched_get_priority_min in -l"posix4"" >&5
+echo "configure:7724: checking for sched_get_priority_min in -l"posix4"" >&5

 ac_lib_var=`echo "posix4"'_'sched_get_priority_min | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 ac_lib_var=`echo "posix4"'_'sched_get_priority_min | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6


@@ -7727,7 +7728,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-l"posix4"  $LIBS"
 cat > conftest.$ac_ext <<EOF
   ac_save_LIBS="$LIBS"
 LIBS="-l"posix4"  $LIBS"
 cat > conftest.$ac_ext <<EOF

-#line 7731 "configure"
+#line 7732 "configure"

 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2


@@ -7738,7 +7739,7 @@ int main() {
 sched_get_priority_min()
 ; return 0; }
 EOF
 sched_get_priority_min()
 ; return 0; }
 EOF

-if { (eval echo configure:7742: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:7743: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then

   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else


@@ -7768,7 +7769,7 @@ fi
 
 
   echo $ac_n "checking for pthread_cancel in -l$THREADS_LINK""... $ac_c" 1>&6
 
 
   echo $ac_n "checking for pthread_cancel in -l$THREADS_LINK""... $ac_c" 1>&6

-echo "configure:7772: checking for pthread_cancel in -l$THREADS_LINK" >&5
+echo "configure:7773: checking for pthread_cancel in -l$THREADS_LINK" >&5

 ac_lib_var=`echo $THREADS_LINK'_'pthread_cancel | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 ac_lib_var=`echo $THREADS_LINK'_'pthread_cancel | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6


@@ -7776,7 +7777,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-l$THREADS_LINK  $LIBS"
 cat > conftest.$ac_ext <<EOF
   ac_save_LIBS="$LIBS"
 LIBS="-l$THREADS_LINK  $LIBS"
 cat > conftest.$ac_ext <<EOF

-#line 7780 "configure"
+#line 7781 "configure"

 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2


@@ -7787,7 +7788,7 @@ int main() {
 pthread_cancel()
 ; return 0; }
 EOF
 pthread_cancel()
 ; return 0; }
 EOF

-if { (eval echo configure:7791: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:7792: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then

   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else

diff --git a/configure.in b/configure.in
index 5ed268a1ff2836ba156507706945cf1bbe8ed04c..63e99a25f771353f4657d6bf7c0465230a63b0b0 100644 (file)
--- a/configure.in
+++ b/configure.in
@@ -1397,36 +1397,35 @@ THREADS_LINK=""
 UNIX_THREAD=""
 
 if test "$wxUSE_THREADS" = "1"; then
 UNIX_THREAD=""
 
 if test "$wxUSE_THREADS" = "1"; then

-     dnl For glibc 2 users who have the old libc 5 too
-
-     AC_CHECK_LIB(pthread-0.7, pthread_create, [
-       UNIX_THREAD="unix/threadpsx.cpp"
-       THREADS_LINK="pthread-0.7"
-     ],[
-       AC_CHECK_HEADER(sys/prctl.h, [
-          UNIX_THREAD="gtk/threadsgi.cpp"
-     ])
-
-     dnl pthread_create is always available in pthread but it seems not to be
-     dnl the case for pthread_setcanceltype.
-
-     AC_CHECK_LIB(pthread, pthread_setcanceltype, [
-       UNIX_THREAD="unix/threadpsx.cpp"
-       THREADS_LINK="pthread"
-     ])
+    dnl find if POSIX threads are available
+
+    dnl For glibc 2 users who have the old libc 5 too check pthread-0.7 first
+    AC_CHECK_LIB(pthread-0.7, pthread_create, [
+        UNIX_THREAD="unix/threadpsx.cpp"
+        THREADS_LINK="pthread-0.7"
+    ],[
+        dnl standard lib name is pthread
+        AC_CHECK_LIB(pthread, pthread_create, [
+            UNIX_THREAD="unix/threadpsx.cpp"
+            THREADS_LINK="pthread"
+        ], [
+            dnl thread functions are in libc_r under FreeBSD
+            AC_CHECK_LIB(c_r, pthread_create, [
+                UNIX_THREAD="unix/threadpsx.cpp"
+                THREADS_LINK="c_r"
+            ], [
+                dnl VZ: SGI threads are not supported currently
+                AC_CHECK_HEADER(sys/prctl.h, [
+                    UNIX_THREAD="gtk/threadsgi.cpp"
+                ])
+            ])
+        ])

     ])
 
     ])
 

-    if test "x$THREADS_LINK" = "x"; then
-        dnl thread functions are in libc_r under FreeBSD
-        AC_CHECK_LIB(c_r, pthread_create,
-                    [
-                        UNIX_THREAD="unix/threadpsx.cpp"
-                        THREADS_LINK="c_r"
-                    ])
-    fi
-

     if test "$THREADS_LINK" != ""; then
     if test "$THREADS_LINK" != ""; then

-      AC_DEFINE(wxUSE_THREADS)
+        AC_DEFINE(wxUSE_THREADS)
+    else
+        AC_MSG_WARN(No thread support on this system)

     fi
 fi
 
     fi
 fi