http://bugs.gentoo.org/show_bug.cgi?id=305547

--- config/m4/ax_lib_expat.m4
+++ config/m4/ax_lib_expat.m4
@@ -96,6 +99,7 @@
 
     EXPAT_CFLAGS=""
     EXPAT_LDFLAGS=""
+    EXPAT_LIBS=""
     EXPAT_VERSION=""
 
     dnl
@@ -105,7 +109,8 @@
 
     if test -n "$expat_prefix"; then
         expat_include_dir="$expat_prefix/include"
-        expat_lib_flags="-L$expat_prefix/lib -lexpat"
+        expat_lib_flags="-L$expat_prefix/lib"
+        expat_libs="-lexpat"
         run_expat_test="yes"
     elif test "$expat_requested" = "yes"; then
         if test -n "$expat_include_dir" -a -n "$expat_lib_flags"; then
@@ -126,6 +131,8 @@
         saved_LDFLAGS="$LDFLAGS"
         LDFLAGS="$LDFLAGS $expat_lib_flags"
 
+        saved_LIBS="$LIBS"
+        LIBS="$LIBS $expat_libs"
         dnl
         dnl Check Expat headers
         dnl
@@ -171,7 +178,8 @@
                     ]]
                 )],
                 [
                 EXPAT_LDFLAGS="$expat_lib_flags"
+                EXPAT_LIBS="$expat_libs"
                 expat_lib_found="yes"
                 AC_MSG_RESULT([found])
                 ],
@@ -185,6 +193,7 @@
 
         CPPFLAGS="$saved_CPPFLAGS"
         LDFLAGS="$saved_LDFLAGS"
+        LIBS="$saved_LIBS"
     fi
 
     AC_MSG_CHECKING([for Expat XML Parser])
@@ -194,6 +203,7 @@
 
             AC_SUBST([EXPAT_CFLAGS])
             AC_SUBST([EXPAT_LDFLAGS])
+            AC_SUBST([EXPAT_LIBS])
 
             HAVE_EXPAT="yes"
         else