From c4433e47c14bc3798fd61f6cff08844d2a34181a Mon Sep 17 00:00:00 2001
From: Martin Whitaker <mailing-list@martin-whitaker.me.uk>
Date: Fri, 28 Oct 2011 19:50:55 +0100
Subject: [PATCH] Restore ability to supply LDFLAGS to MinGW configure.

The fix to get a C99 compliant strtod() in MinGW mistakenly set the
LDFLAGS value rather than appending to it. This meant that a LDFLAGS
supplied by the user on the configure command line would be ignored.
---
 aclocal.m4 | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/aclocal.m4 b/aclocal.m4
index cdfa8ca14..0b0d9c29c 100644
--- a/aclocal.m4
+++ b/aclocal.m4
@@ -236,7 +236,7 @@ AC_DEFUN([AX_C99_STRTOD],
 [# On MinGW we need to jump through hoops to get a C99 compliant strtod().
 case "${host}" in
     *-*-mingw*)
-        LDFLAGS="-Wl,--undefined=___strtod,--wrap,strtod,--defsym,___wrap_strtod=___strtod"
+        LDFLAGS+=" -Wl,--undefined=___strtod,--wrap,strtod,--defsym,___wrap_strtod=___strtod"
         ;;
 esac
 ])# AX_C99_STRTOD