kbuild: Do not unnecessarily regenerate modules.builtin

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

View file

@ -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