Use built pkgconfig is required for this part.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@44643 20353a03-c40f-0410-a6d1-a30d3c3de9de

buildout/software-profiles/xorg.cfg

@@ -88,6 +88,7 @@ environment =
   PKG_CONFIG_PATH=${xcbproto:location}/lib/pkgconfig:${libXau:location}/lib/pkgconfig:${xproto:location}/lib/pkgconfig:${xorg-libpthread-stubs:location}/lib/pkgconfig:${xextproto:location}/lib/pkgconfig:${libX11:location}/lib/pkgconfig:${libxcb:location}/lib/pkgconfig
   LD_LIBRARY_PATH=${xcbproto:location}/lib:${libXau:location}/lib:${xorg-libpthread-stubs:location}/lib:${xextproto:location}/lib:${libX11:location}/lib:${libxcb:location}/lib
   LD_RUN_PATH=${xcbproto:location}/lib:${libXau:location}/lib:${xorg-libpthread-stubs:location}/lib:${xextproto:location}/lib:${libX11:location}/lib:${libxcb:location}/lib
+  PATH=${pkgconfig:location}/bin:%(PATH)s
 configure-options =
   --disable-specs