From: Matthias Andree <matthias.andree@gmx.de>
Date: Mon, 17 May 2010 21:10:16 +0200
Subject: [PATCH] Fix MD5* library pickup.

Avoid picking up libmd5, which fails if libwww is installed because libmd5
uses "long" rather than fixed-width types. This fails on non-32-bit machines.

Only probe libmd if md5.h is found.

To fix Gentoo Bug #319283, reported by Karl Hakimian.
---
 NEWS         |    4 ++++
 configure.ac |   12 +++++++++---
 2 files changed, 13 insertions(+), 3 deletions(-)

index 2ff315f..943eb3e 100644
--- a/configure.ac
+++ b/configure.ac
@@ -171,9 +171,15 @@ dnl 		[LIBS="$LIBS -lintl"])
 
 AC_REPLACE_FUNCS([strstr strcasecmp memmove stpcpy strlcpy strlcat])
 
-AC_SEARCH_LIBS(MD5Init, [md5 md], [],
-	      [AC_LIBSOURCE(md5c.c)
-               EXTRAOBJ="$EXTRAOBJ md5c.\$(OBJEXT)"])
+have_md5=no
+if test "$ac_cv_header_md5_h" != no ; then
+    AC_SEARCH_LIBS(MD5Init, [md], [have_md5=yes])
+fi
+
+if test "$have_md5" != yes ; then
+    AC_LIBSOURCE(md5c.c)
+    EXTRAOBJ="$EXTRAOBJ md5c.\$(OBJEXT)"
+fi
 
 AC_CHECK_FUNC(getopt_long, [],
               [AC_LIBSOURCES([getopt.c, getopt1.c])
-- 
1.6.1