more flexible specification of lib and include dirs (*_LIBDIR, *_INCDIR env vars)
more flexible specification of lib and include dirs (*_LIBDIR, *_INCDIR env vars)


git-svn-id: cea4f7fa037351ebc7eee911c4d637da5351d86c@241 68be0e0a-0922-11df-8158-c7cbc0dd6240

jswhit/pygrib,jswhit/pygrib