Slight improvement to common.make

[Markus Hitter]

Hello all,

the linker installed on OS X complains about empty directories. 
Today I found this annoying and decided to exclude empty Header 
and Library directories from the search list. The exclusion is 
done at build time, so any change will be honored immediately.

Output while compiling is shortened, too. The percentage of 
actually interesting info is raised ;-)

As others might find this modification useful, too, here is the patch:

common.make.diff.gz
Description: GNU Zip compressed data

(apply it to the toplevel file common.make in the make package 
or to $GNUSTEP_SYSTEM_ROOT/Makefiles/common.make)


Have fun,
Markus

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Dipl. Ing. Markus Hitter
http://www.jump-ing.de/