Revert "Work around a pkg-config bug"

This reverts commit 57751fa391fce8b9f208c41260e8968dd4cdc800.

I've been told that this is not, in fact, a pkg-config bug,
but a pkg-config feature.

diff --git a/configure.ac b/configure.ac
index bf8316eff4591e5824d8464491e9f552314afdc2..e73c986d193bb9069fa6f61764d733fee6647467 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -348,8 +348,7 @@ backend_immodules=
 have_gio_unix=no
 GDK_BACKENDS=
 GDK_EXTRA_LIBS=
-# expoxy.pc has Cflags: -I${includedir}, but pkg-config swallows that :-(
-GDK_EXTRA_CFLAGS="-I${prefix}/include"
+GDK_EXTRA_CFLAGS=
 GDK_WINDOWING=
 PANGO_PACKAGES="pango pangocairo"