diff options
Diffstat (limited to 'scripts/Makefile.build')
| -rw-r--r-- | scripts/Makefile.build | 68 |
1 files changed, 9 insertions, 59 deletions
diff --git a/scripts/Makefile.build b/scripts/Makefile.build index 4cac47fdb2..0232158570 100644 --- a/scripts/Makefile.build +++ b/scripts/Makefile.build @@ -49,7 +49,7 @@ ifneq ($(hostprogs)$(hostprogs-y)$(hostprogs-m),) include scripts/Makefile.host endif -ifneq ($(KBUILD_SRC),) +ifdef building_out_of_srctree # Create output directory if not already present _dummy := $(shell [ -d $(obj) ] || mkdir -p $(obj)) @@ -88,10 +88,10 @@ __build: $(if $(KBUILD_BUILTIN),$(builtin-target) $(lib-target) $(pbl-target) $( # Linus' kernel sanity checking tool ifeq ($(KBUILD_CHECKSRC),1) quiet_cmd_checksrc = CHECK $< - cmd_checksrc = $(CHECK) $(CHECKFLAGS) $(c_flags) $< ; + cmd_checksrc = $(CHECK) $(CHECKFLAGS) $(c_flags) $< else ifeq ($(KBUILD_CHECKSRC),2) quiet_cmd_force_checksrc = CHECK $< - cmd_force_checksrc = $(CHECK) $(CHECKFLAGS) $(c_flags) $< ; + cmd_force_checksrc = $(CHECK) $(CHECKFLAGS) $(c_flags) $< endif # Compile C sources (.c) @@ -137,73 +137,23 @@ cmd_cc_i_c = $(CPP) $(c_flags) -o $@ $< %.i: %.c FORCE $(call if_changed_dep,cc_i_c) -quiet_cmd_cc_symtypes_c = SYM $(quiet_modtag) $@ -cmd_cc_symtypes_c = \ - $(CPP) -D__GENKSYMS__ $(c_flags) $< \ - | $(GENKSYMS) -T $@ >/dev/null; \ - test -s $@ || rm -f $@ - -%.symtypes : %.c FORCE - $(call if_changed_dep,cc_symtypes_c) - # C (.c) files # The C file is compiled and updated dependency information is generated. # (See cmd_cc_o_c + relevant part of rule_cc_o_c) quiet_cmd_cc_o_c = CC $(quiet_modtag) $@ + cmd_cc_o_c = $(CC) $(c_flags) -c -o $@ $< quiet_cmd_pbl_cc_o_c = PBLCC $@ - -ifndef CONFIG_MODVERSIONS -cmd_cc_o_c = $(CC) $(c_flags) -c -o $@ $< -cmd_pbl_cc_o_c = $(CC) -D__PBL__ $(c_flags) $(PBL_CPPFLAGS) -c -o $@ $< - -else -# When module versioning is enabled the following steps are executed: -# o compile a .tmp_<file>.o from <file>.c -# o if .tmp_<file>.o doesn't contain a __ksymtab version, i.e. does -# not export symbols, we just rename .tmp_<file>.o to <file>.o and -# are done. -# o otherwise, we calculate symbol versions using the good old -# genksyms on the preprocessed source and postprocess them in a way -# that they are usable as a linker script -# o generate <file>.o from .tmp_<file>.o using the linker to -# replace the unresolved symbols __crc_exported_symbol with -# the actual value of the checksum generated by genksyms - -cmd_cc_o_c = $(CC) $(c_flags) -c -o $(@D)/.tmp_$(@F) $< -cmd_modversions = \ - if $(OBJDUMP) -h $(@D)/.tmp_$(@F) | grep -q __ksymtab; then \ - $(CPP) -D__GENKSYMS__ $(c_flags) $< \ - | $(GENKSYMS) $(if $(KBUILD_SYMTYPES), \ - -T $(@D)/$(@F:.o=.symtypes)) -a $(ARCH) \ - > $(@D)/.tmp_$(@F:.o=.ver); \ - \ - $(LD) $(LDFLAGS) -r -o $@ $(@D)/.tmp_$(@F) \ - -T $(@D)/.tmp_$(@F:.o=.ver); \ - rm -f $(@D)/.tmp_$(@F) $(@D)/.tmp_$(@F:.o=.ver); \ - else \ - mv -f $(@D)/.tmp_$(@F) $@; \ - fi; -endif + cmd_pbl_cc_o_c = $(CC) -D__PBL__ $(c_flags) $(PBL_CPPFLAGS) -c -o $@ $< define rule_cc_o_c - $(call echo-cmd,checksrc) $(cmd_checksrc) \ - $(call echo-cmd,cc_o_c) $(cmd_cc_o_c); \ - $(cmd_modversions) \ - scripts/basic/fixdep $(depfile) $@ '$(call make-cmd,cc_o_c)' > \ - $(dot-target).tmp; \ - rm -f $(depfile); \ - mv -f $(dot-target).tmp $(dot-target).cmd + $(call cmd,checksrc) + $(call cmd_and_fixdep,cc_o_c) endef define rule_pbl_cc_o_c - $(call echo-cmd,checksrc) $(cmd_checksrc) \ - $(call echo-cmd,pbl_cc_o_c) $(cmd_pbl_cc_o_c); \ - $(cmd_modversions) \ - scripts/basic/fixdep $(depfile) $@ '$(call make-cmd,pbl_cc_o_c)' > \ - $(dot-target).tmp; \ - rm -f $(depfile); \ - mv -f $(dot-target).tmp $(dot-target).cmd + $(call cmd,checksrc) + $(call cmd_and_fixdep,pbl_cc_o_c) endef # Built-in and composite module parts |