tweeny: Add 3.1.1 recipe, just a header to be honest

media-libs/tweeny/tweeny-3.1.1.recipe

@@ -0,0 +1,45 @@
+SUMMARY="A modern C++ tweening library"
+DESCRIPTION="One-header tweening library with intuitive syntax."
+HOMEPAGE="https://github.com/mobius3/tweeny"
+COPYRIGHT="2016-2020 Leonardo Guilherme Lucena de Freitas \
+2016 Guilherme R. Costa"
+LICENSE="MIT"
+REVISION="1"
+SOURCE_URI="https://github.com/mobius3/tweeny/archive/v$portVersion.tar.gz"
+CHECKSUM_SHA256="33d2f439eec49bdd8464bd8017381d6e50af898342be217a254fd2cef2b3bb0f"
+SOURCE_FILENAME="tweeny-v$portVersion.tar.gz"
+SOURCE_DIR="tweeny-$portVersion/"
+
+ARCHITECTURES="any"
+
+PROVIDES="
+	tweeny = $portVersion
+	devel:tweeny = $portVersion
+	"
+
+BUILD_PREREQUIRES="
+	cmd:cmake
+	cmd:make
+	"
+
+BUILD()
+{
+	cmake $cmakeDirArgs -S. -Bbuild \
+		-DBUILD_TESTING=OFF \
+		-DCMAKE_CXX_COMPILER=/bin/true
+}
+
+INSTALL()
+{
+	cmake --build build --target install
+
+	mkdir -p $includeDir
+	mv $prefix/include/* $includeDir
+	rm -rf $prefix/include
+
+	fixPkgconfig
+
+	#fix cmake
+	sed -i 's,\/include,/'${relativeIncludeDir}',g' \
+		$libDir/cmake/Tweeny/TweenyTargets.cmake
+}