Add xercesc package (#4328)

packages/xercesc.rb

+require 'package'
+
+class Xercesc < Package
+  description 'Xerces-C++ is a validating XML parser written in a portable subset of C++.'
+  homepage 'http://xerces.apache.org/xerces-c/'
+  version '3.2.3'
+  compatibility 'all'
+  source_url 'https://downloads.apache.org/xerces/c/3/sources/xerces-c-3.2.3.tar.xz'
+  source_sha256 '12fc99a9fc1d1a79bd0e927b8b5637a576d6656f45b0d5e70ee3694d379cc149'
+
+  binary_url ({
+    aarch64: 'https://dl.bintray.com/chromebrew/chromebrew/xercesc-3.2.3-chromeos-armv7l.tar.xz',
+     armv7l: 'https://dl.bintray.com/chromebrew/chromebrew/xercesc-3.2.3-chromeos-armv7l.tar.xz',
+       i686: 'https://dl.bintray.com/chromebrew/chromebrew/xercesc-3.2.3-chromeos-i686.tar.xz',
+     x86_64: 'https://dl.bintray.com/chromebrew/chromebrew/xercesc-3.2.3-chromeos-x86_64.tar.xz',
+  })
+  binary_sha256 ({
+    aarch64: '7ee70737c8d3fe7d21a9e3cf3f27abebcf9b663da95b4aa24e9862c9c707fe4c',
+     armv7l: '7ee70737c8d3fe7d21a9e3cf3f27abebcf9b663da95b4aa24e9862c9c707fe4c',
+       i686: '8cad0d974c6c6966fbc7e0d039fcab63a07eccd4e2435fadd748b4fbce2e5cc4',
+     x86_64: 'd1a0c7fd791b712963ea851792e8253474ec0ba5683d631ce0b0ac981e90762e',
+  })
+
+  depends_on 'curl'
+
+  def self.build
+    system './configure',
+           "--prefix=#{CREW_PREFIX}",
+           "--libdir=#{CREW_LIB_PREFIX}",
+           '--disable-maintainer-mode',
+           '--disable-static'
+    system 'make'
+  end
+
+  def self.install
+    system 'make', "DESTDIR=#{CREW_DEST_DIR}", 'install'
+  end
+end