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| author | Lorry Tar Creator <lorry-tar-importer@baserock.org> | 2013-04-01 14:07:52 +0000 |
|---|---|---|
| committer | <> | 2013-05-17 14:06:43 +0000 |
| commit | 986bc2ac05bc4c08c6a0ed30c9e97674932ccfeb (patch) | |
| tree | 8346daf16e98e93415195acbf99f09cb5326b73b /mk/target-flags.mk | |
| download | bmake-tarball-986bc2ac05bc4c08c6a0ed30c9e97674932ccfeb.tar.gz | |
Diffstat (limited to 'mk/target-flags.mk')
| -rw-r--r-- | mk/target-flags.mk | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/mk/target-flags.mk b/mk/target-flags.mk new file mode 100644 index 0000000..f8932b2 --- /dev/null +++ b/mk/target-flags.mk @@ -0,0 +1,62 @@ +# NAME: +# target-flags.mk - target specific flags +# +# DESCRIPTION: +# Include this macro file after all others in a makefile and +# follow it with any target specfic flag settings. +# For each such variable v in TARGET_FLAG_VARS we set: +#.nf +# +# _$v := ${$v} +# $v = ${${v}_${.TARGET:T}:U${_$v}} +#.fi +# +# This allows one to do things like: +#.nf +# +# TARGET_FLAG_VARS= CFLAGS +# .include <target-flags.mk> +# CFLAGS_fu.o = ${_CFLAGS:N-Wall} +#.fi +# +# To turn off -Wall for just the target fu.o +# Actually CFLAGS is the default value for TARGET_FLAG_VARS. +# +# BUGS: +# One must be careful to avoid creating circular references in +# variables. The original version of this macro file did +# elaborate things with CFLAGS. The current, simpler +# implementation is ultimately more flexible. +# +# It is important that target-flags.mk is included after other +# macro files and that target specific flags that may reference +# _$v are set after that. +# +# Only works with a make(1) that does nested evaluation correctly. + + + +# RCSid: +# $Id: target-flags.mk,v 1.8 2002/05/08 06:01:00 sjg Exp $ +# +# @(#) Copyright (c) 1998-2002, Simon J. Gerraty +# +# This file is provided in the hope that it will +# be of use. There is absolutely NO WARRANTY. +# Permission to copy, redistribute or otherwise +# use this file is hereby granted provided that +# the above copyright notice and this notice are +# left intact. +# +# Please send copies of changes and bug-fixes to: +# sjg@crufty.net +# + +TARGET_FLAG_VARS?= CFLAGS +.for v in ${TARGET_FLAG_VARS} +.ifndef _$v +_$v := ${$v} +$v = ${${v}_${.TARGET:T}:U${_$v}} +.endif +.endfor + |