Merge pull request #1144 from uberhacker/add-log4cplus-package

Add log4cplus package

packages/log4cplus.rb

+require 'package'
+
+class Log4cplus < Package
+  description 'log4cplus is a simple to use C++ logging API providing thread-safe, flexible, and arbitrarily granular control over log management and configuration.'
+  homepage 'https://sourceforge.net/projects/log4cplus/'
+  version '1.2.1-rc2'
+  source_url 'https://downloads.sourceforge.net/project/log4cplus/log4cplus-stable/1.2.1/log4cplus-1.2.1-rc2.tar.xz'
+  source_sha256 '44119e4406f22007580fd0c9504cf4c4bf1ed365aef42b177c48267aa1a45178'
+
+  def self.build
+    system "./configure --libdir=#{CREW_LIB_PREFIX}"
+    system "make"
+  end
+
+  def self.install
+    system "make", "DESTDIR=#{CREW_DEST_DIR}", "install"
+  end
+end