From 0373df7675e4a18f83951ff0c3aff3201a5b3b4f Mon Sep 17 00:00:00 2001
From: Dave Korn <dave.korn.cygwin@googlemail.com>
Date: Sat, 28 Aug 2010 14:43:02 +0200
Subject: [PATCH] Ensure cwrapper magic string is not optimized away.

* libltdl/config/ltmain.m4sh (func_emit_cwrapperexe_src):
Declare MAGIC_EXE as volatile.
Report by Charles Wilson.

Signed-off-by: Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
---
 ChangeLog                  | 7 +++++++
 libltdl/config/ltmain.m4sh | 2 +-
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/ChangeLog b/ChangeLog
index af7c53568..5df42d403 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+2010-08-28  Dave Korn  <dave.korn.cygwin@googlemail.com>
+
+	Ensure cwrapper magic string is not optimized away.
+	* libltdl/config/ltmain.m4sh (func_emit_cwrapperexe_src):
+	Declare MAGIC_EXE as volatile.
+	Report by Charles Wilson.
+
 2010-08-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
 
 	Fix quoting in non-XSI func_xform, for IRIX sh.
diff --git a/libltdl/config/ltmain.m4sh b/libltdl/config/ltmain.m4sh
index a1f3b3533..746718ab8 100644
--- a/libltdl/config/ltmain.m4sh
+++ b/libltdl/config/ltmain.m4sh
@@ -3181,7 +3181,7 @@ void lt_dump_script (FILE *f);
 EOF
 
 	    cat <<EOF
-const char * MAGIC_EXE = "$magic_exe";
+volatile const char * MAGIC_EXE = "$magic_exe";
 const char * LIB_PATH_VARNAME = "$shlibpath_var";
 EOF
 
-- 
2.47.3