gts: try harder to find netpbm headers

[Tobias Nygren <tnn%NetBSD.org@localhost>]

Module Name:	pkgsrc-wip
Committed By:	Tobias Nygren <tnn%NetBSD.org@localhost>
Pushed By:	tnn
Date:		Sun Nov 1 18:19:44 2015 +0100
Changeset:	b2b9a06e1e8df13d73a53ec57ffa2a989dfb4318

Modified Files:
	gts/Makefile

Log Message:
gts: try harder to find netpbm headers

To see a diff of this commit:
https://wip.pkgsrc.org/cgi-bin/gitweb.cgi?p=pkgsrc-wip.git;a=commitdiff;h=b2b9a06e1e8df13d73a53ec57ffa2a989dfb4318

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

diffstat:
 gts/Makefile | 1 +
 1 file changed, 1 insertion(+)

diffs:
diff --git a/gts/Makefile b/gts/Makefile
index dde616c..eeaba0a 100644
--- a/gts/Makefile
+++ b/gts/Makefile
@@ -16,6 +16,7 @@ USE_LIBTOOL=	yes
 USE_TOOLS+=	pkg-config gmake
 USE_LANGUAGES=	c c++
 
+CPPFLAGS+=	-I${BUILDLINK_PREFIX.netpbm}/${BUILDLINK_INCDIRS.netpbm}/netpbm
 PKGCONFIG_OVERRIDE+=	gts.pc.in
 
 INSTALLATION_DIRS+=	bin