--- /usr/portage/media-libs/libextractor/libextractor-0.6.3-r1.ebuild	2012-08-04 23:31:20.000000000 +0930
+++ libextractor-0.6.3-r1.ebuild	2012-08-14 15:11:58.493532830 +0930
@@ -61,6 +61,10 @@
 src_configure() {
 	local myconf
 
+	if use pdf; then
+		append-cppflags "$($(tc-getPKG_CONFIG) --cflags-only-I poppler)"
+	fi
+
 	if use qt4; then
 		append-cppflags "$($(tc-getPKG_CONFIG) --cflags-only-I QtGui QtSvg)"
 		append-ldflags "$($(tc-getPKG_CONFIG) --libs-only-L QtGui QtSvg)"