X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=scripts%2FMakefile.build;h=3b8c9d8c3190aa2ddc378ba27b7a555c765d7a4f;hb=10f6e4dc3a16c21f235416f975ecf2070ceb351f;hp=4a6ed345928eb8ec3b55bca49fe91ae8ab26c8a0;hpb=e8f80a5a58c9b506453cc0780687e8ed457d30a6;p=platform%2Fkernel%2Fu-boot.git diff --git a/scripts/Makefile.build b/scripts/Makefile.build index 4a6ed34..3b8c9d8 100644 --- a/scripts/Makefile.build +++ b/scripts/Makefile.build @@ -4,6 +4,9 @@ # ========================================================================== # Modified for U-Boot +prefix := vpl +src := $(patsubst $(prefix)/%,%,$(obj)) +ifeq ($(obj),$(src)) prefix := tpl src := $(patsubst $(prefix)/%,%,$(obj)) ifeq ($(obj),$(src)) @@ -13,6 +16,7 @@ ifeq ($(obj),$(src)) prefix := . endif endif +endif PHONY := __build __build: @@ -48,9 +52,6 @@ include scripts/Makefile.uncmd_spl include scripts/Kbuild.include -# For backward compatibility check that these variables do not change -save-cflags := $(CFLAGS) - # The filename Kbuild has precedence over Makefile kbuild-dir := $(if $(filter /%,$(src)),$(src),$(srctree)/$(src)) kbuild-file := $(if $(wildcard $(kbuild-dir)/Kbuild),$(kbuild-dir)/Kbuild,$(kbuild-dir)/Makefile) @@ -61,38 +62,13 @@ asflags-y += $(PLATFORM_CPPFLAGS) ccflags-y += $(PLATFORM_CPPFLAGS) cppflags-y += $(PLATFORM_CPPFLAGS) -# If the save-* variables changed error out -ifeq ($(KBUILD_NOPEDANTIC),) - ifneq ("$(save-cflags)","$(CFLAGS)") - $(error CFLAGS was changed in "$(kbuild-file)". Fix it to use ccflags-y) - endif -endif - include scripts/Makefile.lib -ifdef host-progs -ifneq ($(hostprogs-y),$(host-progs)) -$(warning kbuild: $(obj)/Makefile - Usage of host-progs is deprecated. Please replace with hostprogs-y!) -hostprogs-y += $(host-progs) -endif -endif - # Do not include host rules unless needed -ifneq ($(hostprogs-y)$(hostprogs-m),) +ifneq ($(hostprogs-y)$(hostprogs-m)$(hostlibs-y)$(hostlibs-m)$(hostcxxlibs-y)$(hostcxxlibs-m),) include scripts/Makefile.host endif -# Uncommented for U-Boot -# We need to create output dicrectory for SPL and TPL even for in-tree build -#ifneq ($(KBUILD_SRC),) -# Create output directory if not already present -_dummy := $(shell [ -d $(obj) ] || mkdir -p $(obj)) - -# Create directories for object files if directory does not exist -# Needed when obj-y := dir/file.o syntax is used -_dummy := $(foreach d,$(obj-dirs), $(shell [ -d $(d) ] || mkdir -p $(d))) -#endif - ifndef obj $(warning kbuild: Makefile.build is included improperly) endif @@ -117,14 +93,12 @@ __build: $(if $(KBUILD_BUILTIN),$(builtin-target) $(lib-target) $(extra-y)) \ @: # Linus' kernel sanity checking tool -ifneq ($(KBUILD_CHECKSRC),0) - ifeq ($(KBUILD_CHECKSRC),2) - quiet_cmd_force_checksrc = CHECK $< - cmd_force_checksrc = $(CHECK) $(CHECKFLAGS) $(c_flags) $< ; - else - quiet_cmd_checksrc = CHECK $< - cmd_checksrc = $(CHECK) $(CHECKFLAGS) $(c_flags) $< ; - endif +ifeq ($(KBUILD_CHECKSRC),1) + quiet_cmd_checksrc = CHECK $< + cmd_checksrc = $(CHECK) $(CHECKFLAGS) $(c_flags) $< ; +else ifeq ($(KBUILD_CHECKSRC),2) + quiet_cmd_force_checksrc = CHECK $< + cmd_force_checksrc = $(CHECK) $(CHECKFLAGS) $(c_flags) $< ; endif # Do section mismatch analysis for each module/built-in.o @@ -181,7 +155,6 @@ $(obj)/%.i: $(src)/%.c FORCE cmd_gensymtypes = \ $(CPP) -D__GENKSYMS__ $(c_flags) $< | \ $(GENKSYMS) $(if $(1), -T $(2)) \ - $(patsubst y,-s _,$(CONFIG_HAVE_UNDERSCORE_SYMBOL_PREFIX)) \ $(if $(KBUILD_PRESERVE),-p) \ -r $(firstword $(wildcard $(2:.symtypes=.symref) /dev/null)) @@ -222,7 +195,7 @@ cmd_modversions = \ $(call cmd_gensymtypes,$(KBUILD_SYMTYPES),$(@:.o=.symtypes)) \ > $(@D)/.tmp_$(@F:.o=.ver); \ \ - $(LD) $(LDFLAGS) -r -o $@ $(@D)/.tmp_$(@F) \ + $(LD) $(KBUILD_LDFLAGS) -r -o $@ $(@D)/.tmp_$(@F) \ -T $(@D)/.tmp_$(@F:.o=.ver); \ rm -f $(@D)/.tmp_$(@F) $(@D)/.tmp_$(@F:.o=.ver); \ else \ @@ -231,6 +204,11 @@ cmd_modversions = \ endif ifdef CONFIG_FTRACE_MCOUNT_RECORD +# gcc 5 supports generating the mcount tables directly +ifneq ($(call cc-option,-mrecord-mcount,y),y) +KBUILD_CFLAGS += -mrecord-mcount +else +# else do it all manually ifdef BUILD_C_RECORDMCOUNT ifeq ("$(origin RECORDMCOUNT_WARN)", "command line") RECORDMCOUNT_FLAGS = -w @@ -249,8 +227,8 @@ else sub_cmd_record_mcount = set -e ; perl $(srctree)/scripts/recordmcount.pl "$(ARCH)" \ "$(if $(CONFIG_CPU_BIG_ENDIAN),big,little)" \ "$(if $(CONFIG_64BIT),64,32)" \ - "$(OBJDUMP)" "$(OBJCOPY)" "$(CC) $(KBUILD_CFLAGS)" \ - "$(LD)" "$(NM)" "$(RM)" "$(MV)" \ + "$(OBJDUMP)" "$(OBJCOPY)" "$(CC) $(KBUILD_CPPFLAGS) $(KBUILD_CFLAGS)" \ + "$(LD) $(KBUILD_LDFLAGS)" "$(NM)" "$(RM)" "$(MV)" \ "$(if $(part-of-module),1,0)" "$(@)"; recordmcount_source := $(srctree)/scripts/recordmcount.pl endif @@ -259,6 +237,7 @@ cmd_record_mcount = \ "$(CC_FLAGS_FTRACE)" ]; then \ $(sub_cmd_record_mcount) \ fi; +endif # -record-mcount endif define rule_cc_o_c @@ -328,12 +307,10 @@ $(obj)/%.lds: $(src)/%.lds.S FORCE # ASN.1 grammar # --------------------------------------------------------------------------- quiet_cmd_asn1_compiler = ASN.1 $@ - cmd_asn1_compiler = $(objtree)/scripts/asn1_compiler $< \ + cmd_asn1_compiler = $(objtree)/tools/asn1_compiler $< \ $(subst .h,.c,$@) $(subst .c,.h,$@) -.PRECIOUS: $(objtree)/$(obj)/%-asn1.c $(objtree)/$(obj)/%-asn1.h - -$(obj)/%-asn1.c $(obj)/%-asn1.h: $(src)/%.asn1 $(objtree)/scripts/asn1_compiler +$(obj)/%.asn1.c $(obj)/%.asn1.h: $(src)/%.asn1 $(objtree)/tools/asn1_compiler $(call cmd,asn1_compiler) # Build the compiled-in targets @@ -346,12 +323,11 @@ $(sort $(subdir-obj-y)): $(subdir-ym) ; # Rule to compile a set of .o files into one .o file # ifdef builtin-target -quiet_cmd_link_o_target = LD $@ +quiet_cmd_link_o_target = AR $@ # If the list of objects to link is empty, just create an empty built-in.o cmd_link_o_target = $(if $(strip $(obj-y)),\ - $(LD) $(ld_flags) -r -o $@ $(filter $(obj-y), $^) \ - $(cmd_secanalysis),\ - rm -f $@; $(AR) rcs$(KBUILD_ARFLAGS) $@) + rm -f $@; $(AR) cDPrsT $@ $(filter $(obj-y), $^), \ + rm -f $@; $(AR) cDPrsT$(KBUILD_ARFLAGS) $@) $(builtin-target): $(obj-y) FORCE $(call if_changed,link_o_target) @@ -377,7 +353,7 @@ $(modorder-target): $(subdir-ym) FORCE # ifdef lib-target quiet_cmd_link_l_target = AR $@ -cmd_link_l_target = rm -f $@; $(AR) rcs$(KBUILD_ARFLAGS) $@ $(lib-y) +cmd_link_l_target = rm -f $@; $(AR) cDPrsT$(KBUILD_ARFLAGS) $@ $(lib-y) $(lib-target): $(lib-y) FORCE $(call if_changed,link_l_target) @@ -385,22 +361,10 @@ $(lib-target): $(lib-y) FORCE targets += $(lib-target) endif -# -# Rule to link composite objects -# -# Composite objects are specified in kbuild makefile as follows: -# -objs := -# or -# -y := -link_multi_deps = \ -$(filter $(addprefix $(obj)/, \ -$($(subst $(obj)/,,$(@:.o=-objs))) \ -$($(subst $(obj)/,,$(@:.o=-y)))), $^) - -quiet_cmd_link_multi-y = LD $@ -cmd_link_multi-y = $(LD) $(ld_flags) -r -o $@ $(link_multi_deps) $(cmd_secanalysis) - -quiet_cmd_link_multi-m = LD [M] $@ +quiet_cmd_link_multi-y = AR $@ +cmd_link_multi-y = rm -f $@; $(AR) cDPrsT$(KBUILD_ARFLAGS) $@ $(filter %.o,$^) + +quiet_cmd_link_multi-m = AR [M] $@ cmd_link_multi-m = $(cmd_link_multi-y) $(multi-used-y): FORCE @@ -409,12 +373,23 @@ $(call multi_depend, $(multi-used-y), .o, -objs -y) $(multi-used-m): FORCE $(call if_changed,link_multi-m) - @{ echo $(@:.o=.ko); echo $(link_multi_deps); } > $(MODVERDIR)/$(@F:.o=.mod) + @{ echo $(@:.o=.ko); echo $(filter %.o,$^); } > $(MODVERDIR)/$(@F:.o=.mod) $(call multi_depend, $(multi-used-m), .o, -objs -y) targets += $(multi-used-y) $(multi-used-m) +# Add intermediate targets: +# When building objects with specific suffix patterns, add intermediate +# targets that the final targets are derived from. +intermediate_targets = $(foreach sfx, $(2), \ + $(patsubst %$(strip $(1)),%$(sfx), \ + $(filter %$(strip $(1)), $(targets)))) +# %.lex.o <- %.lex.c <- %.l +# %.tab.o <- %.tab.[ch] <- %.y +targets += $(call intermediate_targets, .lex.o, .lex.c) \ + $(call intermediate_targets, .tab.o, .tab.c .tab.h) + # Descending # --------------------------------------------------------------------------- @@ -434,14 +409,14 @@ FORCE: # optimization, we don't need to read them if the target does not # exist, we will rebuild anyway in that case. -targets := $(wildcard $(sort $(targets))) -cmd_files := $(wildcard $(foreach f,$(targets),$(dir $(f)).$(notdir $(f)).cmd)) +cmd_files := $(wildcard $(foreach f,$(sort $(targets)),$(dir $(f)).$(notdir $(f)).cmd)) ifneq ($(cmd_files),) include $(cmd_files) endif -# Declare the contents of the .PHONY variable as phony. We keep that -# information in a variable se we can use it in if_changed and friends. +# Create directories for object files if they do not exist +obj-dirs := $(sort $(obj) $(patsubst %/,%, $(dir $(targets)))) +$(shell mkdir -p $(obj-dirs)) .PHONY: $(PHONY)