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kbuild: support simultaneous "make %config" and "make all"

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Kbuild is supposed to support mixed targets. (%config and build targets)

But "make all" did nothing if it was run with configuration targets.
For example,

  $ LANG=C make defconfig all
    HOSTCC  scripts/basic/fixdep
    HOSTCC  scripts/kconfig/conf.o
    SHIPPED scripts/kconfig/zconf.tab.c
    SHIPPED scripts/kconfig/zconf.lex.c
    SHIPPED scripts/kconfig/zconf.hash.c
    HOSTCC  scripts/kconfig/zconf.tab.o
    HOSTLD  scripts/kconfig/conf
  *** Default configuration is based on 'x86_64_defconfig'
  #
  # configuration written to .config
  #
  make: Nothing to be done for `all'.

This commits allows "make %config all" and makes sure
mixed targets are built one by one in the given order.

Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
Cc: Michal Marek <mmarek@suse.cz>
CC: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Michal Marek <mmarek@suse.cz>
This commit is contained in:
Masahiro Yamada 2014-04-09 15:51:35 +09:00 committed by Michal Marek
parent a86fe35373
commit 9319f4539c
2 changed files with 14 additions and 13 deletions
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12
Makefile
View File

@ -500,8 +500,16 @@ 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
$(filter-out __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)

15
scripts/mkmakefile
View File

@ -42,18 +42,11 @@ MAKEARGS += O=\$(if \$(patsubst /%,,\$(makedir)),\$(CURDIR)/)\$(patsubst %/,%,\$
MAKEFLAGS += --no-print-directory
.PHONY: all \$(MAKECMDGOALS)
.PHONY: __sub-make \$(MAKECMDGOALS)
all := \$(filter-out all Makefile,\$(MAKECMDGOALS))
__sub-make:
\$(Q)\$(MAKE) \$(MAKEARGS) \$(MAKECMDGOALS)
all:
\$(Q)\$(MAKE) \$(MAKEARGS) \$(all)
Makefile:;
\$(all): all
@:
%/: all
\$(filter-out __sub-make, \$(MAKECMDGOALS)): __sub-make
@:
EOF