<toplevel>

        * configure.ac: Don't use pkg-config to check for bdw-gc.
        * configure: Regenerate.

config/

        * pkg.m4: Remove.

libobjc/

        * configure.ac: Don't use pkg-config to check for bdw-gc.
        * configure: Regenerate.

gcc/

        * doc/install.texi: Don't use pkg-config to check for bdw-gc.

From-SVN: r243108