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build system: avoid warning about missing .xcompile 

That file will be generated, but not before make managed
to complain about it.
So let's just generate it if missing - it won't hurt the
dependency tracking some lines later which is looking at
time stamps.

Change-Id: I615f38457eb27a8ffb4352b5234e262ee95d84ac
Signed-off-by: Patrick Georgi <patrick@georgi-clan.de>
Reviewed-on: http://review.coreboot.org/6305
Tested-by: build bot (Jenkins)
Reviewed-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
This commit is contained in:
Patrick Georgi 2014-07-19 10:55:30 +02:00
parent ed3d0e8d42
commit 05560bfbe0
1 changed files with 4 additions and 0 deletions
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4
Makefile
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@ -30,6 +30,10 @@
## SUCH DAMAGE.
##
# in addition to the dependency below, create the file if it doesn't exist
# to silence stupid warnings about a file that would be generated anyway.
$(if $(wildcard .xcompile),,$(eval $(shell util/xcompile/xcompile $(XGCCPATH) > .xcompile)))
.xcompile: util/xcompile/xcompile
A=`mktemp $@.XXXXXX`; $< $(XGCCPATH) > $$A && mv $$A $@ 2> /dev/null