X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=scripts%2FMakefile.modpost;h=d988f5d21e3df12b50e31b9eac86bc21e82b867c;hb=172acf60f39046987d3ff7b955f2bcc45de7ddd3;hp=4b2721ca97da3af2e51e58392acdb8c6fe674b84;hpb=363e065c02b1273364d5356711a83e7f548fc0c8;p=linux-2.6-omap-h63xx.git diff --git a/scripts/Makefile.modpost b/scripts/Makefile.modpost index 4b2721ca97d..d988f5d21e3 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 @@ -40,35 +44,37 @@ include scripts/Kbuild.include include scripts/Makefile.lib kernelsymfile := $(objtree)/Module.symvers -modulesymfile := $(KBUILD_EXTMOD)/Module.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 +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 $(KBUILD_EXTMOD)$(KBUILD_MODPOST_WARN),-w) + quiet_cmd_modpost = MODPOST $(words $(filter-out vmlinux FORCE, $^)) modules - 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)) \ - $(if $(KBUILD_EXTMOD),-w) \ - $(wildcard vmlinux) $(filter-out FORCE,$^) + cmd_modpost = $(modpost) -s PHONY += __modpost __modpost: $(modules:.ko=.o) FORCE - $(call cmd,modpost) + $(call cmd,modpost) $(wildcard vmlinux) $(filter-out FORCE,$^) quiet_cmd_kernel-mod = MODPOST $@ - cmd_kernel-mod = $(cmd_modpost) + cmd_kernel-mod = $(modpost) $@ -vmlinux: FORCE +vmlinux.o: FORCE $(call cmd,kernel-mod) # Declare generated files as targets for modpost @@ -92,7 +98,7 @@ 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