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fd15f8a5fa
Move these variables over to the shared.mak, we'll make use of them in
a subsequent commit.
Note that there's reason for these to be "simply expanded variables",
i.e. to use ":=" assignments instead of lazily expanded "="
assignments. We could use "=", but let's leave this as-is for now for
ease of review.
See 425ca6710b (Makefile: allow combining UBSan with other
sanitizers, 2017-07-15) for the commit that introduced these.
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
34 lines
889 B
Makefile
34 lines
889 B
Makefile
### Remove GNU make implicit rules
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## This speeds things up since we don't need to look for and stat() a
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## "foo.c,v" every time a rule referring to "foo.c" is in play. See
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## "make -p -f/dev/null | grep ^%::'".
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%:: %,v
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%:: RCS/%,v
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%:: RCS/%
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%:: s.%
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%:: SCCS/s.%
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## Likewise delete default $(SUFFIXES). See:
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##
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## info make --index-search=.SUFFIXES
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.SUFFIXES:
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### Flags affecting all rules
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# A GNU make extension since gmake 3.72 (released in late 1994) to
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# remove the target of rules if commands in those rules fail. The
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# default is to only do that if make itself receives a signal. Affects
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# all targets, see:
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#
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# info make --index-search=.DELETE_ON_ERROR
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.DELETE_ON_ERROR:
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### Global variables
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## comma, empty, space: handy variables as these tokens are either
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## special or can be hard to spot among other Makefile syntax.
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comma := ,
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empty :=
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space := $(empty) $(empty)
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