diff -Naur fontconfig-2.13.1.org/fontconfig.pc.in fontconfig-2.13.1/fontconfig.pc.in
--- fontconfig-2.13.1.org/fontconfig.pc.in	2018-12-06 12:48:12.216002989 +0530
+++ fontconfig-2.13.1/fontconfig.pc.in	2018-12-06 12:50:58.615764865 +0530
@@ -15,4 +15,4 @@
 Requires.private: @PKGCONFIG_REQUIRES_PRIVATELY@
 Libs: -L${libdir} -lfontconfig
 Libs.private: @ICONV_LIBS@ @PKG_EXPAT_LIBS@
-Cflags: -I${includedir} @ICONV_CFLAGS@ @PKG_EXPAT_CFLAGS@
+Cflags: -I${includedir} -I${includedir}/${PACKAGE} @ICONV_CFLAGS@ @PKG_EXPAT_CFLAGS@