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Re: CFLAGS, CPPFLAGS, etc.
From: |
Alex Lancaster |
Subject: |
Re: CFLAGS, CPPFLAGS, etc. |
Date: |
27 Sep 1999 14:19:31 -0600 |
User-agent: |
Gnus/5.070095 (Pterodactyl Gnus v0.95) Emacs/20.4 |
>>>>> "PJ" == Paul Johnson <address@hidden> writes:
[...]
PJ> 1. We should no longer do command line Flag-Setting with make, as
PJ> in
PJ> make CPPFLAGS=-DMYSETTING
PJ> because it obliterates the CPPFLAGS now set in the Swarm
PJ> Makefile.common file. Rather, the right thing is to add a line
PJ> toward the end of the Makefile
PJ> override CPPFLAGS += -DMYSETTING
The thing to do, to override CPPFLAGS, try:
make EXTRACPPFLAGS+=-DMYSETTING
etc/swarm/Makefile.common now parses the EXTRACPPFLAGS macro. The
point of the this `EXTRA' macro is so you can add flags from the
command-line (since you don't override the internally-used CPPFLAGS)
without messing around with the Makefiles.
Alex
--
Alex Lancaster | e-mail: address@hidden
Swarm Program | web: http://www.santafe.edu/~alex
Santa Fe Institute | tel: +1-(505) 984-8800 (ext 242)
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