Add builder for xcb-util (#204)

X/Xorg_xcb_util/build_tarballs.jl

@@ -0,0 +1,39 @@
+# Note that this script can accept some limited command-line arguments, run
+# `julia build_tarballs.jl --help` to see a usage message.
+using BinaryBuilder
+
+name = "Xorg_xcb_util"
+version = v"0.4.0"
+
+# Collection of sources required to build xcb-util
+sources = [
+    "https://xcb.freedesktop.org/dist/xcb-util-$(version).tar.bz2" =>
+    "46e49469cb3b594af1d33176cd7565def2be3fa8be4371d62271fabb5eae50e9",
+]
+
+# Bash recipe for building across all platforms
+script = raw"""
+cd $WORKSPACE/srcdir/xcb-util-*/
+CPPFLAGS="-I${prefix}/include"
+# When compiling for things like ppc64le, we need newer `config.sub` files
+update_configure_scripts
+./configure --prefix=${prefix} --host=${target} --enable-malloc0returnsnull=no
+make -j${nproc}
+make install
+"""
+
+# These are the platforms we will build for by default, unless further
+# platforms are passed in on the command line
+platforms = [p for p in supported_platforms() if p isa Union{Linux,FreeBSD}]
+
+products = [
+    LibraryProduct("libxcb-util", :libxcb_util),
+]
+
+# Dependencies that must be installed before this package can be built
+dependencies = [
+    "Xorg_libxcb_jll"
+]
+
+# Build the tarballs, and possibly a `build.jl` as well.
+build_tarballs(ARGS, name, version, sources, script, platforms, products, dependencies)