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kbuild: Do not unnecessarily regenerate modules.builtin

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Only regenerate it if the configuration has changed. Also, do this after
the modules build to fix errors with some weird Makefiles that are
generated during build.

Reported-by: Eric Miao <eric.y.miao@gmail.com>
Signed-off-by: Michal Marek <mmarek@suse.cz>
This commit is contained in:
Michal Marek 2010-03-08 10:07:12 +01:00
parent bae4cecc09
commit a6c366324c
1 changed files with 7 additions and 5 deletions
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12
Makefile
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@ -882,9 +882,6 @@ $(sort $(vmlinux-init) $(vmlinux-main)) $(vmlinux-lds): $(vmlinux-dirs) ;
PHONY += $(vmlinux-dirs)
$(vmlinux-dirs): prepare scripts
$(Q)$(MAKE) $(build)=$@
ifdef CONFIG_MODULES
$(Q)$(MAKE) $(modbuiltin)=$@
endif
# Build the kernel release string
#
@ -1089,7 +1086,7 @@ ifdef CONFIG_MODULES
# By default, build modules as well
all: modules
all: modules modules.builtin
# Build modules
#
@ -1100,11 +1097,16 @@ all: modules
PHONY += modules
modules: $(vmlinux-dirs) $(if $(KBUILD_BUILTIN),vmlinux)
$(Q)$(AWK) '!x[$$0]++' $(vmlinux-dirs:%=$(objtree)/%/modules.order) > $(objtree)/modules.order
$(Q)$(AWK) '!x[$$0]++' $(vmlinux-dirs:%=$(objtree)/%/modules.builtin) > $(objtree)/modules.builtin
@$(kecho) ' Building modules, stage 2.';
$(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modpost
$(Q)$(MAKE) -f $(srctree)/scripts/Makefile.fwinst obj=firmware __fw_modbuild
modules.builtin: $(vmlinux-dirs:%=%/modules.builtin)
$(Q)$(AWK) '!x[$$0]++' $^ > $(objtree)/modules.builtin
%/modules.builtin: include/config/auto.conf | modules
$(Q)$(MAKE) $(modbuiltin)=$*
# Target to prepare building external modules
PHONY += modules_prepare