From: H.Merijn Brand <merijn@lx09.procura.nl>
Date: Fri, 26 Aug 2011 10:11:20 +0000 (+0200)
Subject: Revert "Fix Configure's csym test for gcc's link time optimisation"
X-Git-Tag: 5.26.1~205
X-Git-Url: https://perl5.git.perl.org/metaconfig.git/commitdiff_plain/dd5cb3b670bcbdc333212de6226288531a0ff326?ds=sidebyside

Revert "Fix Configure's csym test for gcc's link time optimisation"

There are too many related problems arising from this change

This reverts commit 2a57a95b5cdd39b6d6c1f074c5ed9b9908eb7009.
---

diff --git a/U/compline/Csym.U b/U/compline/Csym.U
old mode 100755
new mode 100644
index 8648d5a..c9bef1c
--- a/U/compline/Csym.U
+++ b/U/compline/Csym.U
@@ -97,13 +97,13 @@ yes)
 		if $contains $tlook $tf >/dev/null 2>&1; then
 			tval=true;
 		elif $test "$mistrustnm" = compile -o "$mistrustnm" = run; then
-			echo "volatile int dummy = 0; $extern_C void *$1$tdc; void *(*(p()))$tdc { return dummy + &$1; } int main() { if(p()) return(0); else return(1); }"> try.c;
+			echo "$extern_C void *$1$tdc; void *(*(p()))$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 && { $run ./try$_exe >/dev/null 2>&1 || tval=false; };
 			$rm_try;
 		fi;
 	else
-		echo "volatile int dummy = 0; $extern_C void *$1$tdc; void *(*(p()))$tdc { return dummy + &$1; } int main() { if(p()) return(0); else return(1); }"> try.c;
+		echo "$extern_C void *$1$tdc; void *(*(p()))$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_try;
 	fi;