Description: Find cairo.h
  Find cairo.h by adding cflags from pkg-config.
Author: Tobias Hansen <thansen@debian.org>

--- a/higan/GNUmakefile
+++ b/higan/GNUmakefile
@@ -33,7 +33,7 @@
 else ifeq ($(platform),macosx)
   flags += -march=native
 else ifneq ($(filter $(platform),linux bsd),)
-  flags += -fopenmp
+  flags += -fopenmp $(shell pkg-config gtk+-2.0 --cflags)
   link += -fopenmp
   link += -Wl,-export-dynamic
   link += -lX11 -lXext -ldl
