libx11 Update to 1.6.12, use clang linker (#4454)

* Update to 1.6.12, use clang linker

* Update libx11.rb

packages/libx11.rb

@@ -3,30 +3,21 @@ require 'package'
 class Libx11 < Package
   description 'C interface to the X window system'
   homepage 'https://x.org'
-  version '1.6.9'
+  version '1.6.12'
   compatibility 'all'
-  source_url 'https://www.x.org/archive/individual/lib/libX11-1.6.9.tar.bz2'
-  source_sha256 '9cc7e8d000d6193fa5af580d50d689380b8287052270f5bb26a5fb6b58b2bed1'
+  source_url 'https://www.x.org/archive/individual/lib/libX11-1.6.12.tar.bz2'
+  source_sha256 'f108227469419ac04d196df0f3b80ce1f7f65059bb54c0de811f4d8e03fd6ec7'
 
-  binary_url ({
-    aarch64: 'https://dl.bintray.com/chromebrew/chromebrew/libx11-1.6.9-chromeos-armv7l.tar.xz',
-     armv7l: 'https://dl.bintray.com/chromebrew/chromebrew/libx11-1.6.9-chromeos-armv7l.tar.xz',
-       i686: 'https://dl.bintray.com/chromebrew/chromebrew/libx11-1.6.9-chromeos-i686.tar.xz',
-     x86_64: 'https://dl.bintray.com/chromebrew/chromebrew/libx11-1.6.9-chromeos-x86_64.tar.xz',
-  })
-  binary_sha256 ({
-    aarch64: 'aa383fa7778a3ad424129ce6f0df6f793d66ba92e93910b900f460de3902acb6',
-     armv7l: 'aa383fa7778a3ad424129ce6f0df6f793d66ba92e93910b900f460de3902acb6',
-       i686: '3c44f4318aece50226c295b39ebc4f2f51d16eb4c13207135df5e11fb5005565',
-     x86_64: '6bf082987ab469c4ae7e69fe492922f2811cf6601fc1ffbbe9c62220a55265f0',
-  })
 
   depends_on 'xorg_proto'
   depends_on 'libxcb'
   depends_on 'libxtrans'
+  depends_on 'llvm' => ':build'
   
   def self.build
-    system "./configure --prefix=#{CREW_PREFIX} --libdir=#{CREW_LIB_PREFIX}"
+    ENV['CFLAGS'] = "-fuse-ld=lld"
+    ENV['CXXFLAGS'] = "-fuse-ld=lld"
+    system "./configure #{CREW_OPTIONS}"
     system "make"
   end