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

diff --git a/Configure b/Configure
index d695eb5..1e5301d 100755 (executable)
--- a/Configure
+++ b/Configure
@@ -26,7 +26,7 @@
 
 # $Id: Head.U,v 3.0.1.9 1997/02/28 15:02:09 ram Exp $
 #
-# Generated on Wed Nov  9 11:15:45 CET 2005 [metaconfig 3.0 PL70]
+# Generated on Wed Jan 11 21:57:24 CET 2006 [metaconfig 3.0 PL70]
 # (with additional metaconfig patches by perlbug@perl.org)
 
 cat >c1$$ <<EOF
@@ -681,6 +681,8 @@ d_sigaction=''
 d_sigprocmask=''
 d_sigsetjmp=''
 usesitecustomize=''
+d_snprintf=''
+d_vsnprintf=''
 d_sockatmark=''
 d_sockatmarkproto=''
 d_msg_ctrunc=''
@@ -5895,7 +5897,7 @@ if $test -r $rsrc/patchlevel.h;then
        api_revision=`awk '/define[     ]+PERL_API_REVISION/ {print $3}' $rsrc/patchlevel.h`
        api_version=`awk '/define[      ]+PERL_API_VERSION/ {print $3}' $rsrc/patchlevel.h`
        api_subversion=`awk '/define[   ]+PERL_API_SUBVERSION/ {print $3}' $rsrc/patchlevel.h`
-       perl_patchlevel=`grep 'define PERL_PATCHNUM [0-9][0-9]*' $rsrc/patchlevel.h|sed 's/[^0-9]//g'`
+       perl_patchlevel=`egrep 'define PERL_PATCHNUM [0-9][0-9]|,"MAINT[0-9][0-9]*"' $rsrc/patchlevel.h|sed 's/[^0-9]//g'`
 else
        revision=0
        patchlevel=0
@@ -5906,8 +5908,8 @@ else
        perl_patchlevel=0
        $echo "(You do not have patchlevel.h.  Eek.)"
 fi
-if $test -r $rsrc/.patch ; then  
-       if $test "`cat $rsrc/.patch`" -gt "$perl_patchlevel" ; then
+if $test -r $rsrc/.patch ; then
+       if $test "X$perl_patchlevel" = "X" || $test "`cat $rsrc/.patch`" -gt "$perl_patchlevel" ; then
                perl_patchlevel=`cat $rsrc/.patch`
        fi
 fi
@@ -15742,9 +15744,9 @@ $define)
 #endif
 END
     : see whether semctl IPC_STAT can use union semun
-    val="$undef"
     case "$d_semctl_semun" in
     '')
+      val="$undef"
       $cat > try.c <<END
 #include <sys/types.h>
 #include <sys/ipc.h>
@@ -15783,7 +15785,7 @@ int main() {
            printf("semctl IPC_STAT failed: errno = %d\n", errno);
 #      ifdef IPC_RMID
        if (semctl(sem, 0, IPC_RMID, arg) != 0)
-#      endif /* IPC_RMID */
+#      endif /* IPC_RMID */
            printf("semctl IPC_RMID failed: errno = %d\n", errno);
     } else
 #endif /* IPC_PRIVATE && ... */
@@ -15799,10 +15801,10 @@ END
           esac
       fi
       $rm -f try try.c
+      set d_semctl_semun
+      eval $setvar
       ;;
     esac
-    set d_semctl_semun
-    eval $setvar
     case "$d_semctl_semun" in
     $define)
         echo "You can use union semun for semctl IPC_STAT." >&4
@@ -15814,9 +15816,9 @@ END
     esac
 
     : see whether semctl IPC_STAT can use struct semid_ds pointer
-    val="$undef"
     case "$d_semctl_semid_ds" in
     '')
+      val="$undef"
       $cat > try.c <<'END'
 #include <sys/types.h>
 #include <sys/ipc.h>
@@ -15861,10 +15863,10 @@ END
           esac
       fi
       $rm -f try try.c
+      set d_semctl_semid_ds
+      eval $setvar
       ;;
     esac
-    set d_semctl_semid_ds
-    eval $setvar
     case "$d_semctl_semid_ds" in
     $define)
         echo "You can $also use struct semid_ds* for semctl IPC_STAT." >&4
@@ -16536,6 +16538,71 @@ set d_sigsetjmp
 eval $setvar
 $rm -f try.c try
 
+: see if snprintf exists
+set snprintf d_snprintf
+eval $inlibc
+
+: see if vsnprintf exists
+set vsnprintf d_vsnprintf
+eval $inlibc
+
+case "$d_snprintf-$d_vsnprintf" in
+"$define-$define")
+    $cat <<EOM
+Checking whether your snprintf() and vsnprintf() work okay...
+EOM
+    $cat >try.c <<'EOCP'
+/* v?snprintf testing logic courtesy of Russ Allbery.
+ * According to C99:
+ * - if the buffer is too short it still must be \0-terminated
+ * - if the buffer is too short the potentially required length
+ *   must be returned and not -1
+ * - if the buffer is NULL the potentially required length
+ *   must be returned and not -1 or core dump
+ */
+#include <stdio.h>
+#include <stdarg.h>
+
+char buf[2];
+
+int test (char *format, ...)
+{
+    va_list args;
+    int count;
+
+    va_start (args, format);
+    count = vsnprintf (buf, sizeof buf, format, args);
+    va_end (args);
+    return count;
+}
+
+int main ()
+{
+    return ((test ("%s", "abcd") == 4 && buf[0] == 'a' && buf[1] == '\0'
+             && snprintf (NULL, 0, "%s", "abcd") == 4) ? 0 : 1);
+}
+EOCP
+    set try
+    if eval $compile; then
+       `$run ./try`
+       case "$?" in
+       0) echo "Your snprintf() and vsnprintf() seem to be working okay." ;;
+       *) cat <<EOM >&4
+Your snprintf() and snprintf() don't seem to be working okay.
+EOM
+          d_snprintf="$undef"
+          d_vsnprintf="$undef"
+          ;;
+       esac
+    else
+       echo "(I can't seem to compile the test program--assuming they don't)"
+       d_snprintf="$undef"
+       d_vsnprintf="$undef"
+    fi
+    $rm -f try.* try core core.try.*
+    ;;
+esac
+
 : see if sockatmark exists
 set sockatmark d_sockatmark
 eval $inlibc
@@ -19816,7 +19883,8 @@ $rm -f try try.*
 
 : see what type of char stdio uses.
 echo " "
-echo '#include <stdio.h>' | $cppstdin $cppminus > stdioh
+echo '#include <stdio.h>' > stdio.c
+$cppstdin $cppminus < stdio.c > stdioh
 if $contains 'unsigned.*char.*_ptr;' stdioh >/dev/null 2>&1 ; then
        echo "Your stdio uses unsigned chars." >&4
        stdchar="unsigned char"
@@ -19824,9 +19892,7 @@ else
        echo "Your stdio uses signed chars." >&4
        stdchar="char"
 fi
-$rm -f stdioh
-
-
+$rm -f stdio.* stdioh
 
 : see what type uids are declared as in the kernel
 echo " "
@@ -21376,6 +21442,7 @@ d_shmget='$d_shmget'
 d_sigaction='$d_sigaction'
 d_sigprocmask='$d_sigprocmask'
 d_sigsetjmp='$d_sigsetjmp'
+d_snprintf='$d_snprintf'
 d_sockatmark='$d_sockatmark'
 d_sockatmarkproto='$d_sockatmarkproto'
 d_socket='$d_socket'
@@ -21457,6 +21524,7 @@ d_voidsig='$d_voidsig'
 d_voidtty='$d_voidtty'
 d_volatile='$d_volatile'
 d_vprintf='$d_vprintf'
+d_vsnprintf='$d_vsnprintf'
 d_wait4='$d_wait4'
 d_waitpid='$d_waitpid'
 d_wcstombs='$d_wcstombs'