From df35daf12618d24fc9e96b9209ffc644f3b8df5a Mon Sep 17 00:00:00 2001
From: Mohammed Khajapasha <mohammed.khajapasha@intel.com>
Date: Mon, 9 Sep 2019 19:06:42 +0000
Subject: [PATCH] Autotools: Enable clang tool chain to generate libraries

Enable clang tool chain for autotool to generate shared libexpat libraries.

Signed-off-by: Mohammed Khajapasha <mohammed.khajapasha@intel.com>
---
 expat/configure.ac | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/expat/configure.ac b/expat/configure.ac
index b429281d..20fe69e1 100644
--- a/expat/configure.ac
+++ b/expat/configure.ac
@@ -94,6 +94,11 @@ AC_LANG_POP([C++])
 AS_IF([test "$GCC" = yes],
   [AX_APPEND_LINK_FLAGS([-fno-strict-aliasing],[LDFLAGS])])
 
+dnl patching ${archive_cmds} to affect generation of file "libtool" to fix linking with clang (issue #312)
+AS_CASE(["$LD"],[*clang*],
+  [AS_CASE(["${host_os}"],
+     [*linux*],[archive_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib'])])
+
 EXPATCFG_COMPILER_SUPPORTS_VISIBILITY([
   AX_APPEND_FLAG([-fvisibility=hidden],       [CFLAGS])
   AX_APPEND_FLAG([-DXML_ENABLE_VISIBILITY=1], [CFLAGS])])