Introduce recipe for Xlibe.

It isn't necessarily ready for general use, but GTK3 works well enough
to enable it.

x11-libs/xlibe/xlibe-0.1.0.recipe

@@ -0,0 +1,87 @@
+SUMMARY="Xlib compatibility layer for Haiku"
+DESCRIPTION="This package contains an Xlib implementation which does not \
+interface with X11 servers, but instead with the Haiku API, making it possible \
+to run X applications on Haiku without a real X server."
+HOMEPAGE="https://github.com/waddlesplash/xlibe/"
+COPYRIGHT="1984-2021 The Open Group
+	2003 ja6hfa (Shibukawa Yoshiki), kazuyakt
+	2021-2022 Haiku, Inc."
+LICENSE="MIT
+	MIT (no promotion)"
+REVISION="1"
+SOURCE_URI="https://github.com/waddlesplash/xlibe/archive/refs/tags/0.1.0.tar.gz"
+CHECKSUM_SHA256="a2217a77c4b14840f2b6fee52e192435fdb798a932afde5c7e6f153f16d452af"
+SOURCE_DIR="xlibe-$portVersion"
+
+ARCHITECTURES="all !x86_gcc2"
+SECONDARY_ARCHITECTURES="?x86"
+
+# Make sure the versions stay in line with the real libX11, libXext!
+libX11Version=6.3.0
+libXextVersion=6.4.0
+
+PROVIDES="
+	xlibe$secondaryArchSuffix = $portVersion
+	lib:libX11$secondaryArchSuffix = $libX11Version compat >= 6
+	lib:libXext$secondaryArchSuffix = $libXextVersion compat >= 6
+	"
+REQUIRES="
+	haiku$secondaryArchSuffix
+	lib:libiconv$secondaryArchSuffix
+	"
+
+PROVIDES_devel="
+	xlibe${secondaryArchSuffix}_devel = $portVersion
+	devel:libX11$secondaryArchSuffix = $libX11Version compat >= 6
+	devel:libXext$secondaryArchSuffix = $libXextVersion compat >= 6
+	"
+REQUIRES_devel="
+	xlibe$secondaryArchSuffix == $portVersion base
+	devel:kbproto
+	devel:xproto
+	"
+
+BUILD_REQUIRES="
+	haiku${secondaryArchSuffix}_devel
+	devel:libiconv$secondaryArchSuffix
+	devel:kbproto
+	devel:xproto
+	"
+BUILD_PREREQUIRES="
+	cmd:cmake
+	cmd:gcc$secondaryArchSuffix
+	cmd:make
+	cmd:pkg_config$secondaryArchSuffix
+	"
+
+defineDebugInfoPackage libx11$secondaryArchSuffix \
+	"$libDir"/libX11.so.$libX11Version \
+	"$libDir"/libXext.so.$libXextVersion
+
+BUILD()
+{
+	cmake . $cmakeDirArgs \
+		-DCMAKE_BUILD_TYPE=RelWithDebInfo
+	make $jobArgs
+}
+
+INSTALL()
+{
+	make install
+
+	# make compatibility symlinks
+	mv $libDir/libX11.so.6 $libDir/libX11.so.$libX11Version
+	ln -s libX11.so.$libX11Version $libDir/libX11.so.6
+
+	mv $libDir/libXext.so.6 $libDir/libXext.so.$libXextVersion
+	ln -s libXext.so.$libXextVersion $libDir/libXext.so.6
+
+	prepareInstalledDevelLibs \
+		libX11 \
+		libXext
+
+	fixPkgconfig
+
+	packageEntries devel \
+		$developDir
+}