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Turns out we do need to do bootstrapping of MACHINE_CPU here: make(1) won't

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set the variable until you rebuild it, and the alternative is to be stuck
playing games with ``.if defined(MACHINE_CPU) && ... '' for all eternity.
We now set up the reasonable default for i386 and alpha here -- given this
it probably makes sense to remove the corresponding code from make(1).
This commit is contained in:
Kris Kennaway 2001-02-20 08:37:51 +00:00
parent 5fe86675f0
commit 9cd5532f9c
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=72751
1 changed files with 10 additions and 0 deletions
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10
share/mk/sys.mk
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@ -104,6 +104,16 @@ YFLAGS ?= -d
# as an i386 architecture.
MACHINE_ARCH ?= i386
# MACHINE_CPU contains a list of CPU generations for which
# CPU-specific optimizations are desired. This must be set here
# to allow bootstrapping from old versions of make which do not
# set MACHINE_CPU.
.if ${MACHINE_ARCH} == "i386"
MACHINE_CPU ?= i386
.elif ${MACHINE_ARCH} == "alpha"
MACHINE_CPU ?= ev4
.endif
# For tags rule.
GTAGSFLAGS= -o
HTAGSFLAGS=