From 9ec4dadfbbcf94d284b7e489694f1fa9fd6647c0 Mon Sep 17 00:00:00 2001
From: "H.Merijn Brand" <h.m.brand@xs4all.nl>
Date: Sat, 31 Mar 2012 16:31:29 +0200
Subject: Add ld_can_script probe to Configure

With this new probe, requested by rafl, we could start building perl as
it would be built on OSs like AIX and Windows and actually test visibility
of the API and thus early detect if tests would fail on these restrictive
OSs
---
 Configure | 32 +++++++++++++++++++++++++++++++-
 1 file changed, 31 insertions(+), 1 deletion(-)

(limited to 'Configure')

diff --git a/Configure b/Configure
index f87e6fdc09..fa8fbb0169 100755
--- a/Configure
+++ b/Configure
@@ -28,7 +28,7 @@
 # See Porting/pumpkin.pod for more information on metaconfig.
 #
 
-# Generated on Thu Feb 16 16:57:30 CET 2012 [metaconfig 3.5 PL0]
+# Generated on Sat Mar 31 16:09:53 CEST 2012 [metaconfig 3.5 PL0]
 # (with additional metaconfig patches by perlbug@perl.org)
 
 cat >c1$$ <<EOF
@@ -843,6 +843,7 @@ cccdlflags=''
 ccdlflags=''
 dlsrc=''
 ld=''
+ld_can_script=''
 lddlflags=''
 usedl=''
 doublesize=''
@@ -8085,6 +8086,34 @@ EOM
     ;;
 esac
 
+ld_can_script="$undef"
+case "$bin_ELF$usedl" in
+$define$define)
+    # Abuse try.h and a.out names for neat cleanup
+    $cat >try.c <<EOM
+void foo() {}
+void bar() {}
+EOM
+    $cat >try.h <<EOM
+LIBTEST_42 {
+ global:
+  foo;
+ local: *;
+ };
+EOM
+    if $cc $cccdlflags $ccdlflags $ccflags \
+           $ldflags $lddlflags -o a.out try.c \
+           -Wl,--version-script=try.h >/dev/null 2>&1 \
+       &&  $test -s a.out ; then
+	echo "ld supports scripting" >&4
+	ld_can_script="$define"
+    else
+	echo "ld does not support scripting" >&4
+    fi
+    $rm_try
+    ;;
+esac
+
 : Do we want a shared libperl?
 also=''
 case "$usedl" in
@@ -23471,6 +23500,7 @@ ivtype='$ivtype'
 known_extensions='$known_extensions'
 ksh='$ksh'
 ld='$ld'
+ld_can_script='$ld_can_script'
 lddlflags='$lddlflags'
 ldflags='$ldflags'
 ldflags_uselargefiles='$ldflags_uselargefiles'
-- 
cgit v1.2.1