From 495f72ed3885970c40689186d0031c0f457f7e49 Mon Sep 17 00:00:00 2001
From: kosaki <kosaki@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Wed, 26 Dec 2012 03:00:13 +0000
Subject: * configure.in: enable -fPIE when checking -pie for fixing   OpenBSD
 build error. Patch by George Koehler. Thank you!   [Bug #7606]
 [ruby-core:51082]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@38619 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 configure.in | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

(limited to 'configure.in')

diff --git a/configure.in b/configure.in
index 57be606be1..3648814a9f 100644
--- a/configure.in
+++ b/configure.in
@@ -2708,14 +2708,21 @@ AS_CASE("$enable_shared", [yes], [
   if test "$GCC" = yes -a -z "$EXTSTATIC" -a "x$pie" != xno; then
     RUBY_TRY_CFLAGS(-fPIE, [pie=yes], [pie=no])
     if test "$pie" = yes; then
-      RUBY_APPEND_OPTION(XCFLAGS, -fPIE)
+      # Use -fPIE when testing -pie.  RUBY_TRY_LDFLAGS sets
+      # $save_CFLAGS internally, so set other name here.
+      save_CFLAGS_before_pie="$CFLAGS"
+      CFLAGS="$CFLAGS -fPIE"
+
+      # gcc need -pie but clang need -Wl,-pie.
       for pie in -pie -Wl,-pie; do
 	RUBY_TRY_LDFLAGS([$pie], [], [pie=])
 	if test "x$pie" != x; then
+	  RUBY_APPEND_OPTION(XCFLAGS, -fPIE)
 	  RUBY_APPEND_OPTION(XLDFLAGS, $pie)
 	  break
 	fi
       done
+      CFLAGS="$save_CFLAGS_before_pie"
     fi
   fi
 ])
-- 
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