X-Git-Url: http://git.rot13.org/?a=blobdiff_plain;f=scripts%2FMakefile.modpost;h=65e707e1ffc3a564e1ed1924cab806ff88e09286;hb=dd07a8db7283f52f347aee468007556944b5b393;hp=576cce5e387f4472bc31a20fcfca2e08fcea6fdd;hpb=d38b69689c349f35502b92e20dafb30c62d49d63;p=powerpc.git diff --git a/scripts/Makefile.modpost b/scripts/Makefile.modpost index 576cce5e38..65e707e1ff 100644 --- a/scripts/Makefile.modpost +++ b/scripts/Makefile.modpost @@ -32,6 +32,10 @@ # Step 4 is solely used to allow module versioning in external modules, # where the CRC of each module is retrieved from the Module.symers file. +# KBUILD_MODPOST_WARN can be set to avoid error out in case of undefined +# symbols in the final module linking stage +# KBUILD_MODPOST_NOFINAL can be set to skip the final link of modules. +# This is solely usefull to speed up test compiles PHONY := _modpost _modpost: __modpost @@ -40,29 +44,39 @@ include scripts/Kbuild.include include scripts/Makefile.lib kernelsymfile := $(objtree)/Module.symvers -modulesymfile := $(KBUILD_EXTMOD)/Modules.symvers +modulesymfile := $(firstword $(KBUILD_EXTMOD))/Module.symvers # Step 1), find all modules listed in $(MODVERDIR)/ __modules := $(sort $(shell grep -h '\.ko' /dev/null $(wildcard $(MODVERDIR)/*.mod))) modules := $(patsubst %.o,%.ko, $(wildcard $(__modules:.ko=.o))) -_modpost: $(modules) +# Stop after building .o files if NOFINAL is set. Makes compile tests quicker +_modpost: $(if $(KBUILD_MODPOST_NOFINAL), $(modules:.ko:.o),$(modules)) # Step 2), invoke modpost # Includes step 3,4 -quiet_cmd_modpost = MODPOST - cmd_modpost = scripts/mod/modpost \ - $(if $(CONFIG_MODVERSIONS),-m) \ - $(if $(CONFIG_MODULE_SRCVERSION_ALL),-a,) \ - $(if $(KBUILD_EXTMOD),-i,-o) $(kernelsymfile) \ - $(if $(KBUILD_EXTMOD),-I $(modulesymfile)) \ - $(if $(KBUILD_EXTMOD),-o $(modulesymfile)) \ - $(filter-out FORCE,$^) +modpost = scripts/mod/modpost \ + $(if $(CONFIG_MODVERSIONS),-m) \ + $(if $(CONFIG_MODULE_SRCVERSION_ALL),-a,) \ + $(if $(KBUILD_EXTMOD),-i,-o) $(kernelsymfile) \ + $(if $(KBUILD_EXTMOD),-I $(modulesymfile)) \ + $(if $(KBUILD_EXTMOD),-o $(modulesymfile)) \ + $(if $(CONFIG_DEBUG_SECTION_MISMATCH),,-S) \ + $(if $(KBUILD_EXTMOD)$(KBUILD_MODPOST_WARN),-w) + +quiet_cmd_modpost = MODPOST $(words $(filter-out vmlinux FORCE, $^)) modules + cmd_modpost = $(modpost) -s PHONY += __modpost -__modpost: $(wildcard vmlinux) $(modules:.ko=.o) FORCE - $(call cmd,modpost) +__modpost: $(modules:.ko=.o) FORCE + $(call cmd,modpost) $(wildcard vmlinux) $(filter-out FORCE,$^) + +quiet_cmd_kernel-mod = MODPOST $@ + cmd_kernel-mod = $(modpost) $@ + +vmlinux.o: FORCE + $(call cmd,kernel-mod) # Declare generated files as targets for modpost $(symverfile): __modpost ; @@ -72,7 +86,7 @@ $(modules:.ko=.mod.c): __modpost ; # Step 5), compile all *.mod.c files # modname is set to make c_flags define KBUILD_MODNAME -modname = $(*F) +modname = $(notdir $(@:.mod.o=)) quiet_cmd_cc_o_c = CC $@ cmd_cc_o_c = $(CC) $(c_flags) $(CFLAGS_MODULE) \ @@ -85,7 +99,7 @@ targets += $(modules:.ko=.mod.o) # Step 6), final link of the modules quiet_cmd_ld_ko_o = LD [M] $@ - cmd_ld_ko_o = $(LD) $(LDFLAGS) $(LDFLAGS_MODULE) -o $@ \ + cmd_ld_ko_o = $(LD) -r $(LDFLAGS) $(LDFLAGS_MODULE) -o $@ \ $(filter-out FORCE,$^) $(modules): %.ko :%.o %.mod.o FORCE