pkg-config 0.28

Closes Homebrew/homebrew#17861.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>

Formula/pkg-config.rb

@@ -2,15 +2,9 @@ require 'formula'
 
 class PkgConfig < Formula
   homepage 'http://pkgconfig.freedesktop.org'
-  url 'http://pkgconfig.freedesktop.org/releases/pkg-config-0.27.1.tar.gz'
-  mirror 'http://fossies.org/unix/privat/pkg-config-0.27.1.tar.gz'
-  sha256 '4f63d0df3035101b12949250da5231af49e3c3afcd8fb18554fa7c3cb92d8c17'
-
-  bottle do
-    sha1 '42935c12d2f0496f63bbba4b94c2c02a09035bf0' => :mountainlion
-    sha1 'dd791f33f599972d8c95fba908bf8485c46a772d' => :lion
-    sha1 '3f1f7c324e277c8774e045ffced8966086c237df' => :snowleopard
-  end
+  url 'http://pkgconfig.freedesktop.org/releases/pkg-config-0.28.tar.gz'
+  mirror 'http://fossies.org/unix/privat/pkg-config-0.28.tar.gz'
+  sha256 '6b6eb31c6ec4421174578652c7e141fdaae2dabad1021f420d8713206ac1f845'
 
   def install
     paths = %W[
@@ -23,8 +17,9 @@ class PkgConfig < Formula
     args = %W[
         --disable-debug
         --prefix=#{prefix}
-        --with-pc-path=#{paths*':'}
+        --disable-host-tool
         --with-internal-glib
+        --with-pc-path=#{paths*':'}
       ]
     args << "CC=#{ENV.cc} #{ENV.cflags}" unless MacOS::CLT.installed?