--- vdr-image-0.3.1.ebuild	2013-05-14 12:01:20.000000000 +0200
+++ vdr-image-0.3.1.ebuild	2013-05-23 22:05:37.466380328 +0200
@@ -32,6 +32,7 @@ 
 BUILD_PARAMS="-j1"
 
 src_prepare() {
+	tc-export AR
 	# remove empty translation file
 	rm "${S}"/po/{cs_CZ,da_DK,et_EE,hr_HR,hu_HU,nn_NO,pl_PL,ro_RO}.po
 
@@ -47,7 +48,7 @@ 
 	fi
 
 	# UINT64_C is needed by ffmpeg headers
-	append-flags -D__STDC_CONSTANT_MACROS
+	append-cppflags -D__STDC_CONSTANT_MACROS
 }
 
 src_install() {