File qt-4.8.3-make_pkg_config_work.patch of Package mingw64-libqt4

commit 57069f1bd5e8cd5450f1d1ceae0d6d315b4a66c8
Author: Mark Brand <mabrand@mabrand.nl>
Date:   Wed Sep 12 00:22:28 2012 +0200

    Partial Revert "Disable pkg-config, when x-compiling for mingw"
    
    This partially reverts commit c7d5071afc6c76925c90ff35041dc4eb86511271.
    
    Despite what the commit message said, pkg-config previously worked
    and was useful, particularly for static Qt. Qt itself even installs
    its own .pc files.
    
    Note: The mkspec win32-g++-cross had a PKG_CONFIG definition to avoid
    using the pkg-config installation on the build machine.
    
    cherry-picked from qt5/qtbase commit 7d9b5e8e7d2094dedbe7e3e2f961544f233ce57e
    Change-Id: I6c6ed81b2ab42c9cf7f7e250feeeb9c34c8877e7
    Reviewed-by: Peter Kümmel <syntheticpp@gmx.net>
    Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@nokia.com>

diff --git a/configure b/configure
index d19f443..bfaee0e 100755
--- a/configure
+++ b/configure
@@ -1684,7 +1684,6 @@ while [ "$#" -gt 0 ]; do
         case `basename "$XPLATFORM"` in win32-g++*)
             XPLATFORM_MINGW=yes
             CFG_RPATH=no
-            PKG_CONFIG=no
             CFG_REDUCE_EXPORTS=no
             ;;
         esac