Import libtxc_dxtn-1.0.1 as wip/libtxc_dxtn.

Software library for S3 texture compression.

XXX The MESA libraries need to be able to find libtxc_dxtn.so
XXX in order for this to work. The INSTALL and DEINSTALL scripts
XXX handle this, but is this the correct solution?

libtxc_dxtn/DESCR

@@ -0,0 +1 @@
+Software library for S3 texture compression.

libtxc_dxtn/Makefile

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+# $NetBSD: Makefile,v 1.1 2015/08/10 22:27:47 yhardy Exp $
+#
+
+DISTNAME=	libtxc_dxtn-1.0.1
+CATEGORIES=	devel
+MASTER_SITES=	http://people.freedesktop.org/~cbrill/libtxc_dxtn/
+
+MAINTAINER=	pkgsrc-users@NetBSD.org
+HOMEPAGE=	http://people.freedesktop.org/~cbrill/libtxc_dxtn/
+COMMENT=	S3 texture compression support for MesaLib
+LICENSE=	mit
+
+RESTRICTED=	Need a valid license for s3tc
+NO_BIN_ON_CDROM=	${RESTRICTED}
+NO_BIN_ON_FTP=		${RESTRICTED}
+NO_SRC_ON_CDROM=	${RESTRICTED}
+NO_SRC_ON_FTP=		${RESTRICTED}
+
+GNU_CONFIGURE=	yes
+USE_LIBTOOL=	yes
+
+INSTALL_TEMPLATES=	${FILESDIR}/INSTALL
+DEINSTALL_TEMPLATES=	${FILESDIR}/DEINSTALL
+
+.include "../../graphics/MesaLib/buildlink3.mk"
+.include "../../mk/bsd.pkg.mk"

libtxc_dxtn/PLIST

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+@comment $NetBSD: PLIST,v 1.1 2015/08/10 22:27:47 yhardy Exp $
+include/txc_dxtn.h
+lib/libtxc_dxtn.la

libtxc_dxtn/distinfo

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+$NetBSD: distinfo,v 1.1 2015/08/10 22:27:47 yhardy Exp $
+
+SHA1 (libtxc_dxtn-1.0.1.tar.gz) = 29f2922399c9ebfb4718366295038b7d8aab191c
+RMD160 (libtxc_dxtn-1.0.1.tar.gz) = c00664c4278133bcc301e38e9612289e02a6114d
+Size (libtxc_dxtn-1.0.1.tar.gz) = 281484 bytes

libtxc_dxtn/files/DEINSTALL

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+if [ ${STAGE} = DEINSTALL -a ${X11BASE} != ${PREFIX} ]; then
+	${RM} ${X11BASE}/lib/libtxc_dxtn.so
+fi

libtxc_dxtn/files/INSTALL

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+if [ ${STAGE} = POST-INSTALL -a ${X11BASE} != ${PREFIX} ]; then
+	${LN} -s ${PREFIX}/lib/libtxc_dxtn.so ${X11BASE}/lib/libtxc_dxtn.so
+fi