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kbuild: support simultaneous board configuration and "make all"

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This commit fixes two problems:

[1] We could not do board configuration and "make all"
    in one command line.

For example, the following did not work as we expect:
  $ make sandbox_config all
  Configuring for sandbox board...
  make: Nothing to be done for `all'.

[2] mixed-target build did not work with -j option

For example, the following did not work:
  $ make -j8 sandbox_config u-boot
  Makefile:481: *** "System not configured - see README".  Stop.
  make: *** [u-boot] Error 2
  make: *** Waiting for unfinished jobs....
  Configuring for sandbox board...

Going forward, we can do
  $ make -j8 sandbox_config all

This is the same as
  $ make sandbox_config
  $ make -j8

Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
This commit is contained in:
Masahiro Yamada 2014-02-04 17:24:41 +09:00 committed by Tom Rini
parent efcf861931
commit 53bca5ab6a
1 changed files with 10 additions and 2 deletions
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12
Makefile
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@ -428,8 +428,16 @@ ifeq ($(mixed-targets),1)
# We're called with mixed targets (*config and build targets).
# Handle them one by one.
%:: FORCE
$(Q)$(MAKE) -C $(srctree) KBUILD_SRC= $@
PHONY += $(MAKECMDGOALS) build-one-by-one
$(MAKECMDGOALS): build-one-by-one
@:
build-one-by-one:
$(Q)set -e; \
for i in $(MAKECMDGOALS); do \
$(MAKE) -f $(srctree)/Makefile $$i; \
done
else
ifeq ($(config-targets),1)