--- rsyslog-7.2.7.ebuild	2013-04-18 15:25:14.000000000 +0200
+++ rsyslog-7.2.7-r1.ebuild	2013-04-26 14:23:41.000000000 +0200
@@ -56,6 +56,7 @@
 src_prepare() {
 	# Don't force '-g' CFLAG
 	sed -e 's/CFLAGS="\(.*\) -g"/CFLAGS="\1"/g' -i configure.ac || die
+	sed -e 's/PKG_CHECK_MODULES(\[JSON_C\], \[json\])/PKG_CHECK_MODULES(\[JSON_C\], \[json-c\])/' -i configure.ac || die
 
 	autotools-utils_src_prepare
 }