[RFA 00/10] Minor Makefile cleanups

Tom Tromey
2018-07-02T20:19:28Z

I accidentally sent this to the binutils list the first time around,
oops.

This series holds a number of small cleanups to gdb/Makefile. Each
patch should be reasonably self-explanatory. Several are probably
obvious.

Tested by the buildbot.

Tom