Merge pull request #1014 from jam7/update/protobuf

Change protobuf.rb to install files through CREW_DEST_DIR

packages/protobuf.rb

@@ -3,7 +3,7 @@ require 'package'
 class Protobuf < Package
   description 'Protocol buffers are a language-neutral, platform-neutral extensible mechanism for serializing structured data.'
   homepage 'https://developers.google.com/protocol-buffers/'
-  version '3.3.0'
+  version '3.3.0-1'
   source_url 'https://github.com/google/protobuf/archive/v3.3.0.tar.gz'
   source_sha256 '94c414775f275d876e5e0e4a276527d155ab2d0da45eed6b7734301c330be36e'
 
@@ -12,12 +12,15 @@ class Protobuf < Package
 
   def self.build
     system './autogen.sh'
-    system './configure --prefix=/usr/local'
+    system "./configure --prefix=/usr/local --libdir=#{CREW_LIB_PREFIX}"
     system 'make'
-    system 'make check'
   end
 
   def self.install
-    system 'make install'
+    system "make DESTDIR=#{CREW_DEST_DIR} install"
+  end
+
+  def self.check
+    system 'make check'
   end
 end