The compilation of PerlIO::via may hang on AIX when

[p5sagit/p5-mst-13.2.git] / Configure

diff --git a/Configure b/Configure
index 66c74d3..89a315f 100755 (executable)
--- a/Configure
+++ b/Configure
@@ -20,7 +20,7 @@
 
 # $Id: Head.U,v 3.0.1.9 1997/02/28 15:02:09 ram Exp $
 #
-# Generated on Sat Aug  2 02:07:46 EEST 2003 [metaconfig 3.0 PL70]
+# Generated on Thu Sep 18 09:10:02 EEST 2003 [metaconfig 3.0 PL70]
 # (with additional metaconfig patches by perlbug@perl.org)
 
 cat >c1$$ <<EOF
@@ -5571,7 +5571,9 @@ EOCP
                longdblsize="$ans"
        fi
        if $test "X$doublesize" = "X$longdblsize"; then
-               echo "(That isn't any different from an ordinary double.)"
+               echo "That isn't any different from an ordinary double."
+               echo "I'll keep your setting anyway, but you may see some"
+               echo "harmless compilation warnings."
        fi      
        ;;
 esac
@@ -7354,9 +7356,9 @@ eval $inhdr
 : is a C symbol defined?
 csym='tlook=$1;
 case "$3" in
--v) tf=libc.tmp; tc=""; tdc="";;
--a) tf=libc.tmp; tc="[0]"; tdc="[]";;
-*) tlook="^$1\$"; tf=libc.list; tc=""; tdc="()";;
+-v) tf=libc.tmp; tdc="";;
+-a) tf=libc.tmp; tdc="[]";;
+*) tlook="^$1\$"; tf=libc.list; tdc="()";;
 esac;
 tx=yes;
 case "$reuseval-$4" in
@@ -7370,16 +7372,15 @@ yes)
                if $contains $tlook $tf >/dev/null 2>&1; then
                        tval=true;
                elif $test "$mistrustnm" = compile -o "$mistrustnm" = run; then
-                       echo "int main() { extern void *$1$tdc; if (&$1$tc) return(0); else return(1); }" > try.c;
+                       echo "void *(*(p()))$tdc { extern void *$1$tdc; return &$1; } int main() { if(p()) return(0); else return(1); }"> try.c;
                        $cc -o try $optimize $ccflags $ldflags try.c >/dev/null 2>&1 $libs && tval=true;
-                       $test "$mistrustnm" = run -a -x try && { $run ./try >/dev/null 2>&1 || tval=false; };
-                       $rm -f try try.c core;
+                       $test "$mistrustnm" = run -a -x try && { $run ./try$_exe >/dev/null 2>&1 || tval=false; };
+                       $rm -f try$_exe try.c core core.* try.core;
                fi;
        else
-               echo "#include <stdio.h>" > try.c;
-               echo "int main() { extern void *$1$tdc; if(&$1$tc) return(0); else return(1); }" > try.c;
+               echo "void *(*(p()))$tdc { extern void *$1$tdc; return &$1; } int main() { if(p()) return(0); else return(1); }"> try.c;
                $cc -o try $optimize $ccflags $ldflags try.c $libs >/dev/null 2>&1 && tval=true;
-               $rm -f try try.c;
+               $rm -f try$_exe try.c;
        fi;
        ;;
 *)
@@ -15242,14 +15243,13 @@ else
     echo "You do not have union semun in <sys/sem.h>." >&4
     val="$undef"
 fi
-$rm -f try try.c try.h
+$rm -f try try.c
 set d_union_semun
 eval $setvar
 
 : see how to do semctl IPC_STAT
 case "$d_sem" in
 $define)
-    : see whether semctl IPC_STAT can use union semun
     echo " "
     $cat > try.h <<END
 #ifndef S_IRUSR
@@ -15275,8 +15275,11 @@ $define)
 #   define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
 #endif
 END
-
-    $cat > try.c <<END
+    : see whether semctl IPC_STAT can use union semun
+    val="$undef"
+    case "$d_semctl_semun" in
+    '')
+      $cat > try.c <<END
 #include <sys/types.h>
 #include <sys/ipc.h>
 #include <sys/sem.h>
@@ -15322,15 +15325,16 @@ int main() {
   return 0;
 }
 END
-    val="$undef"
-    set try
-    if eval $compile; then
-       xxx=`$run ./try`
-        case "$xxx" in
-        semun) val="$define" ;;
-        esac
-    fi
-    $rm -f try try.c
+      set try
+      if eval $compile; then
+         xxx=`$run ./try`
+          case "$xxx" in
+          semun) val="$define" ;;
+          esac
+      fi
+      $rm -f try try.c
+      ;;
+    esac
     set d_semctl_semun
     eval $setvar
     case "$d_semctl_semun" in
@@ -15344,7 +15348,10 @@ END
     esac
 
     : see whether semctl IPC_STAT can use struct semid_ds pointer
-    $cat > try.c <<'END'
+    val="$undef"
+    case "$d_semctl_semid_ds" in
+    '')
+      $cat > try.c <<'END'
 #include <sys/types.h>
 #include <sys/ipc.h>
 #include <sys/sem.h>
@@ -15380,15 +15387,16 @@ int main() {
     return 0;
 }
 END
-    val="$undef"
-    set try
-    if eval $compile; then
-        xxx=`$run ./try`
-        case "$xxx" in
-        semid_ds) val="$define" ;;
-        esac
-    fi
-    $rm -f try try.c
+      set try
+      if eval $compile; then
+          xxx=`$run ./try`
+          case "$xxx" in
+          semid_ds) val="$define" ;;
+          esac
+      fi
+      $rm -f try try.c
+      ;;
+    esac
     set d_semctl_semid_ds
     eval $setvar
     case "$d_semctl_semid_ds" in