Integrate with Sarathy.

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

diff --git a/Configure b/Configure
index 5724a60..40a6169 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 Sun Mar  5 23:53:58 EET 2000 [metaconfig 3.0 PL70]
+# Generated on Sat Mar 11 20:26:09 EET 2000 [metaconfig 3.0 PL70]
 # (with additional metaconfig patches by perlbug@perl.com)
 
 cat >/tmp/c1$$ <<EOF
@@ -4512,6 +4512,14 @@ esac
 set use64bitint
 eval $setvar
 
+case "$use64bitall" in
+"$define"|true|[yY]*) dflt='y' ;;
+*) case "$longsize" in
+   8) dflt='y' ;;
+   *) dflt='n' ;;
+   esac
+   ;;
+esac   
 cat <<EOM
 
 You may also choose to try maximal 64-bitness.  It means using as much
@@ -4522,14 +4530,6 @@ have any more 64-bitness available than what you already have chosen.
 If this doesn't make any sense to you, just accept the default '$dflt'.
 EOM
 rp='Try to use maximal 64-bit support, if available?'
-case "$use64bitall" in
-"$define"|true|[yY]*) dflt='y' ;;
-*) case "$longsize" in
-   8) dflt='y' ;;
-   *) dflt='n' ;;
-   esac
-   ;;
-esac   
 . ./myread
 case "$ans" in
 [yY]*) val="$define" ;;
@@ -8636,7 +8636,8 @@ extern int errno;
 #ifdef I_UNISTD
 #include <unistd.h>
 #endif
-#ifdef $i_string
+#$i_string I_STRING
+#ifdef I_STRING
 #include <string.h>
 #else
 #include <strings.h>
@@ -12553,9 +12554,52 @@ EOM
        $rm -f core try.core core.try.*
        case "$fflushNULL" in
        x)      $cat >&4 <<EOM
-Your fflush(NULL) works okay.
+Your fflush(NULL) works okay for output streams.
+Let's see if it clobbers input pipes...
+EOM
+# As of mid-March 2000 all versions of Solaris appear to have a stdio
+# bug that improperly flushes the input end of pipes.  So we avoid the
+# autoflush on fork/system/exec support for now. :-(
+$cat >tryp.c <<EOCP
+#include <stdio.h>
+int
+main(int argc, char **argv)
+{
+    char buf[1024];
+    int i;
+    char *bp = buf;
+    while (1) {
+        while ((i = getc(stdin)) != -1
+               && (*bp++ = i) != '\n'
+               && bp < &buf[1024])
+       /* DO NOTHING */ ;
+        *bp = '\0';
+        fprintf(stdout, "%s", buf);
+        fflush(NULL);
+        if (i == -1)
+       return 0;
+        bp = buf;
+    }
+}
+EOCP
+                fflushNULL="$define"
+                set tryp
+                if eval $compile; then
+                    $rm -f tryp.out
+                    $cat tryp.c | ./tryp$exe_ext 2>/dev/null > tryp.out
+                    if cmp tryp.c tryp.out >/dev/null 2>&1; then
+                       $cat >&4 <<EOM
+fflush(NULL) seems to behave okay with input streams.
+EOM
+                       fflushNULL="$define"
+                    else
+                       $cat >&4 <<EOM
+Ouch, fflush(NULL) clobbers input pipes!  We will not use it.
 EOM
-               fflushNULL="$define"
+                        fflushNULL="$undef"
+                    fi
+                fi
+               $rm -f core tryp.core core.tryp.*
                ;;
        '')     $cat >&4 <<EOM
 Your fflush(NULL) isn't working (contrary to ANSI C).