use pkgconfig.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@40739 20353a03-c40f-0410-a6d1-a30d3c3de9de

buildout/software-profiles/ghostscript.cfg

@@ -21,8 +21,8 @@ configure-options =
 # it seems that parallel build sometimes fails for ghostscript.
 make-options = -j1
 environment =
-  CFLAGS=-I${fontconfig:location}/include
-  LDFLAGS=-L${fontconfig:location}/lib -Wl,-rpath -Wl,${fontconfig:location}/lib
+  PKG_CONFIG_PATH =${fontconfig:location}/lib/pkgconfig
+  LDFLAGS=-Wl,-rpath -Wl,${fontconfig:location}/lib
 
 [ghostscript]
 # we prefer ghostscript-8 for now, because ghostscript-9.00 seems to have a