* make sure all the compiler environment variables aren't set when building

so that a different compiler isn't accidently used.

  If someone is really bored, this could go to the 1.0 branch...

This commit was SVN r7740.

contrib/dist/macosx-pkg/buildpackage.sh

@@ -112,7 +112,7 @@ LC_ALL=C
 LC_MESSAGES=
 LANG=
 export PATH LANGUAGE LC_ALL LC_MESSAGES LANG
-unset LD_LIBRARY_PATH
+unset LD_LIBRARY_PATH CC CXX FC F77 OBJC
 
 #
 # Make some play space