Add libtxc_dxtn.

S2TC is a patent-free S3TC compatible implementation and provides texture
compression to Mesa.

The library is automatically loaded if present and adds the OpenGL extensions
GL_S3_s3tc and GL_EXT_texture_compression_s3tc.

Submitted by:	dumbbell@

graphics/Makefile

@@ -538,6 +538,7 @@
     SUBDIR += libspiro
     SUBDIR += libsvg
     SUBDIR += libsvg-cairo
+    SUBDIR += libtxc_dxtn
     SUBDIR += libvisual
     SUBDIR += libvisual04
     SUBDIR += libvisual04-plugins

graphics/libtxc_dxtn/Makefile

@@ -0,0 +1,34 @@
+# Created by: Jean-Sébastien Pédron <dumbbell@FreeBSD.org>
+# $FreeBSD$
+
+PORTNAME=	libtxn_dxtn
+PORTVERSION=	20140604
+CATEGORIES=	graphics
+
+MAINTAINER=	x11@FreeBSD.org
+COMMENT=	Subset of a well-known texture compression scheme
+
+LICENSE=	MIT
+
+BUILD_DEPENDS=	libGL>=9.1.7:${PORTSDIR}/graphics/libGL
+
+USE_GITHUB=	yes
+GH_ACCOUNT=	divVerent
+GH_PROJECT=	s2tc
+GH_COMMIT=	3d644da
+GH_TAGNAME=	${GH_COMMIT}
+
+USES=		libtool pathfix pkgconfig
+PATHFIX_MAKEFILEIN=Makefile.am
+USE_AUTOTOOLS=	aclocal autoconf libtoolize automake
+AUTOMAKE_ARGS=	--add-missing --copy
+GNU_CONFIGURE=	yes
+USE_LDCONFIG=	yes
+
+CONFIGURE_ARGS+=--disable-tools
+
+CPPFLAGS+=	-I${LOCALBASE}/include
+
+INSTALL_TARGET=	install-strip
+
+.include <bsd.port.mk>

graphics/libtxc_dxtn/distinfo

@@ -0,0 +1,2 @@
+SHA256 (libtxn_dxtn-20140604.tar.gz) = e6fe8827c68de7ba62f5e4996cec62ee3248bc6f98707d4a36425a537c179333
+SIZE (libtxn_dxtn-20140604.tar.gz) = 1397439

graphics/libtxc_dxtn/pkg-descr

@@ -0,0 +1,7 @@
+S2TC is a patent-free S3TC compatible implementation and provides texture
+compression to Mesa.
+
+The library is automatically loaded if present and adds the OpenGL extensions
+GL_S3_s3tc and GL_EXT_texture_compression_s3tc.
+
+WWW: https://github.com/divVerent/s2tc

graphics/libtxc_dxtn/pkg-plist

@@ -0,0 +1,6 @@
+include/txc_dxtn.h
+lib/libtxc_dxtn.a
+lib/libtxc_dxtn.so
+lib/libtxc_dxtn.so.0
+lib/libtxc_dxtn.so.0.0.0
+libdata/pkgconfig/txc_dxtn.pc