From 3059c55db2238cb89dc4523608d5bcd3cfd634d8 Mon Sep 17 00:00:00 2001
From: Nelson Ferreira <nelson.ferreira@ieee.org>
Date: Sun, 9 Aug 2015 13:35:06 -0400
Subject: [PATCH] Improve FFI pkg-config detection

	* m4/sxe-emodffi.m4: Use the SXE_PC macros for pkg-config
	detection of libffi.
---
 m4/sxe-emodffi.m4 | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/m4/sxe-emodffi.m4 b/m4/sxe-emodffi.m4
index 7d3490c..070afc7 100644
--- a/m4/sxe-emodffi.m4
+++ b/m4/sxe-emodffi.m4
@@ -118,11 +118,14 @@ AC_DEFUN([SXE_FFI_TRY_PKGCONFIG], [dnl
 		sxe_cv_feat_ffi="no"
 		MM_FAIL
 	else
-		FFI_CPPFLAGS=$($PKG_CONFIG --cflags libffi)
-		FFI_LIBS=$($PKG_CONFIG --libs libffi)
+		SXE_CHECK_HEADERS([ffi.h])
+	        SXE_PC_CHECK_EXISTS([libffi])
+	        SXE_PC_CHECK_VERSION([libffi])
+	        SXE_PC_CHECK_CPPFLAGS([libffi])
+	        SXE_PC_CHECK_LDFLAGS([libffi])
+	        SXE_PC_CHECK_LIBS([libffi])
 		SXE_DUMP_LIBS
 		CPPFLAGS="$CPPFLAGS $FFI_CPPFLAGS"
-		SXE_CHECK_HEADERS([ffi.h])
 		if test "$ac_cv_header_ffi_h" = "yes"; then
 			AC_CHECK_LIB([ffi], [ffi_call], [dnl
 				sxe_cv_feat_ffi="yes"
-- 
2.34.1