Update librecad to 2.1.3 and use safe sources (#1137)

Update librecad to 2.1.3 and use safe sources

media-gfx/librecad/librecad-2.1.3.recipe

@@ -0,0 +1,63 @@
+SUMMARY="A 2D CAD drawing tool"
+DESCRIPTION="LibreCAD is a 2D CAD drawing tool based on the community edition \
+of QCAD (http://www.qcad.org).
+
+LibreCAD has been re-structured, ported to new Qt versions and works natively \
+cross platform between OS X, Windows, Linux and Haiku."
+HOMEPAGE="http://librecad.org"
+COPYRIGHT="2015 LibreCAD"
+LICENSE="GNU GPL v2"
+REVISION="1"
+SOURCE_URI="https://github.com/LibreCAD/LibreCAD/archive/2.1.3.tar.gz"
+CHECKSUM_SHA256="74c4ede409b13d0365c65c0cd52dba04f1049530f6df706dc905443d5e60db06"
+PATCHES="librecad-$portVersion.patchset"
+SOURCE_DIR="LibreCAD-2.1.3"
+
+ARCHITECTURES="!x86_gcc2 x86 ?x86_64"
+SECONDARY_ARCHITECTURES="x86"
+
+PROVIDES="
+	librecad$secondaryArchSuffix = $portVersion
+	app:LibreCAD$secondaryArchSuffix = $portVersion
+	cmd:ttf2lff$secondaryArchSuffix = $portVersion
+	"
+REQUIRES="
+	haiku${secondaryArchSuffix}
+	libqt4$secondaryArchSuffix >= 4.8.0
+	lib:libfreetype$secondaryArchSuffix
+	"
+
+BUILD_REQUIRES="
+	libqt4${secondaryArchSuffix}_devel >= 4.8.0
+	boost${secondaryArchSuffix}_devel
+	devel:libfreetype$secondaryArchSuffix
+	"
+BUILD_PREREQUIRES="
+	haiku${secondaryArchSuffix}_devel
+	cmd:qmake$secondaryArchSuffix
+	cmd:make
+	cmd:g++$secondaryArchSuffix
+	cmd:pkg_config$secondaryArchSuffix
+	"
+
+BUILD()
+{
+	qmake
+	make $jobArgs
+
+}
+
+INSTALL()
+{
+	mkdir -p $appsDir/LibreCAD $binDir
+
+	cd unix
+	strip librecad
+	addResourcesToBinaries ../haiku/LibreCAD.rdef librecad
+
+	cp librecad $appsDir/LibreCAD/LibreCAD
+	cp -R appdata resources $appsDir/LibreCAD
+	cp ttf2lff $binDir
+
+	addAppDeskbarSymlink $appsDir/LibreCAD/LibreCAD "LibreCAD"
+}