diff options
Diffstat (limited to 'scripts/Makefile.lib')
-rw-r--r-- | scripts/Makefile.lib | 93 |
1 files changed, 49 insertions, 44 deletions
diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib index f1f38c8cdc74..179d55af5852 100644 --- a/scripts/Makefile.lib +++ b/scripts/Makefile.lib @@ -41,11 +41,10 @@ obj-m := $(filter-out %/, $(obj-m)) # Subdirectories we need to descend into subdir-ym := $(sort $(subdir-y) $(subdir-m)) -# if $(foo-objs), $(foo-y), or $(foo-m) exists, foo.o is a composite object -multi-used-y := $(sort $(foreach m,$(obj-y), $(if $(strip $($(m:.o=-objs)) $($(m:.o=-y))), $(m)))) -multi-used-m := $(sort $(foreach m,$(obj-m), $(if $(strip $($(m:.o=-objs)) $($(m:.o=-y)) $($(m:.o=-m))), $(m)))) +# If $(foo-objs), $(foo-y), $(foo-m), or $(foo-) exists, foo.o is a composite object +multi-used-y := $(sort $(foreach m,$(obj-y), $(if $(strip $($(m:.o=-objs)) $($(m:.o=-y)) $($(m:.o=-))), $(m)))) +multi-used-m := $(sort $(foreach m,$(obj-m), $(if $(strip $($(m:.o=-objs)) $($(m:.o=-y)) $($(m:.o=-m)) $($(m:.o=-))), $(m)))) multi-used := $(multi-used-y) $(multi-used-m) -single-used-m := $(sort $(filter-out $(multi-used-m),$(obj-m))) # $(subdir-obj-y) is the list of objects in $(obj-y) which uses dir/ to # tell kbuild to descend @@ -53,8 +52,8 @@ subdir-obj-y := $(filter %/built-in.a, $(obj-y)) # Replace multi-part objects by their individual parts, # including built-in.a from subdirectories -real-obj-y := $(foreach m, $(obj-y), $(if $(strip $($(m:.o=-objs)) $($(m:.o=-y))),$($(m:.o=-objs)) $($(m:.o=-y)),$(m))) -real-obj-m := $(foreach m, $(obj-m), $(if $(strip $($(m:.o=-objs)) $($(m:.o=-y)) $($(m:.o=-m))),$($(m:.o=-objs)) $($(m:.o=-y)) $($(m:.o=-m)),$(m))) +real-obj-y := $(foreach m, $(obj-y), $(if $(strip $($(m:.o=-objs)) $($(m:.o=-y)) $($(m:.o=-))),$($(m:.o=-objs)) $($(m:.o=-y)),$(m))) +real-obj-m := $(foreach m, $(obj-m), $(if $(strip $($(m:.o=-objs)) $($(m:.o=-y)) $($(m:.o=-m)) $($(m:.o=-))),$($(m:.o=-objs)) $($(m:.o=-y)) $($(m:.o=-m)),$(m))) # DTB # If CONFIG_OF_ALL_DTBS is enabled, all DT blobs are built @@ -66,6 +65,20 @@ extra-y += $(patsubst %.dtb,%.dt.yaml, $(dtb-y)) extra-$(CONFIG_OF_ALL_DTBS) += $(patsubst %.dtb,%.dt.yaml, $(dtb-)) endif +# Test self-contained headers + +# Wildcard searches in $(srctree)/$(src)/, but not in $(objtree)/$(obj)/. +# Stale generated headers are often left over, so pattern matching should +# be avoided. Please notice $(srctree)/$(src)/ and $(objtree)/$(obj) point +# to the same location for in-tree building. So, header-test-pattern-y should +# be used with care. +header-test-y += $(filter-out $(header-test-), \ + $(patsubst $(srctree)/$(src)/%, %, \ + $(wildcard $(addprefix $(srctree)/$(src)/, \ + $(header-test-pattern-y))))) + +extra-$(CONFIG_HEADER_TEST) += $(addsuffix .s, $(header-test-y) $(header-test-m)) + # Add subdir path extra-y := $(addprefix $(obj)/,$(extra-y)) @@ -77,7 +90,6 @@ lib-y := $(addprefix $(obj)/,$(lib-y)) subdir-obj-y := $(addprefix $(obj)/,$(subdir-obj-y)) real-obj-y := $(addprefix $(obj)/,$(real-obj-y)) real-obj-m := $(addprefix $(obj)/,$(real-obj-m)) -single-used-m := $(addprefix $(obj)/,$(single-used-m)) multi-used-m := $(addprefix $(obj)/,$(multi-used-m)) subdir-ym := $(addprefix $(obj)/,$(subdir-ym)) @@ -89,6 +101,9 @@ modname-multi = $(subst $(space),:,$(sort $(foreach m,$(multi-used),\ modname = $(if $(modname-multi),$(modname-multi),$(basetarget)) +# target with $(obj)/ and its suffix stripped +target-stem = $(basename $(patsubst $(obj)/%,%,$@)) + # These flags are needed for modversions and compiling, so we define them here # $(modname_flags) defines KBUILD_MODNAME as the name of the module it will # end up in (or would, if it gets compiled in) @@ -97,12 +112,12 @@ basename_flags = -DKBUILD_BASENAME=$(call name-fix,$(basetarget)) modname_flags = -DKBUILD_MODNAME=$(call name-fix,$(modname)) orig_c_flags = $(KBUILD_CPPFLAGS) $(KBUILD_CFLAGS) \ - $(ccflags-y) $(CFLAGS_$(basetarget).o) -_c_flags = $(filter-out $(CFLAGS_REMOVE_$(basetarget).o), $(orig_c_flags)) + $(ccflags-y) $(CFLAGS_$(target-stem).o) +_c_flags = $(filter-out $(CFLAGS_REMOVE_$(target-stem).o), $(orig_c_flags)) orig_a_flags = $(KBUILD_CPPFLAGS) $(KBUILD_AFLAGS) \ - $(asflags-y) $(AFLAGS_$(basetarget).o) -_a_flags = $(filter-out $(AFLAGS_REMOVE_$(basetarget).o), $(orig_a_flags)) -_cpp_flags = $(KBUILD_CPPFLAGS) $(cppflags-y) $(CPPFLAGS_$(@F)) + $(asflags-y) $(AFLAGS_$(target-stem).o) +_a_flags = $(filter-out $(AFLAGS_REMOVE_$(target-stem).o), $(orig_a_flags)) +_cpp_flags = $(KBUILD_CPPFLAGS) $(cppflags-y) $(CPPFLAGS_$(target-stem).lds) # # Enable gcov profiling flags for a file, directory or for all files depending @@ -140,13 +155,25 @@ endif # $(srctree)/$(src) for including checkin headers from generated source files # $(objtree)/$(obj) for including generated headers from checkin source files ifeq ($(KBUILD_EXTMOD),) -ifneq ($(srctree),.) +ifdef building_out_of_srctree _c_flags += -I $(srctree)/$(src) -I $(objtree)/$(obj) _a_flags += -I $(srctree)/$(src) -I $(objtree)/$(obj) _cpp_flags += -I $(srctree)/$(src) -I $(objtree)/$(obj) endif endif +part-of-module = $(if $(filter $(basename $@).o, $(real-obj-m)),y) +quiet_modtag = $(if $(part-of-module),[M], ) + +modkern_cflags = \ + $(if $(part-of-module), \ + $(KBUILD_CFLAGS_MODULE) $(CFLAGS_MODULE), \ + $(KBUILD_CFLAGS_KERNEL) $(CFLAGS_KERNEL)) + +modkern_aflags = $(if $(part-of-module), \ + $(KBUILD_AFLAGS_MODULE) $(AFLAGS_MODULE), \ + $(KBUILD_AFLAGS_KERNEL) $(AFLAGS_KERNEL)) + c_flags = -Wp,-MD,$(depfile) $(NOSTDINC_FLAGS) $(LINUXINCLUDE) \ -include $(srctree)/include/linux/compiler_types.h \ $(_c_flags) $(modkern_cflags) \ @@ -175,28 +202,6 @@ $(foreach m, $(notdir $1), \ $(addprefix $(obj)/, $(foreach s, $3, $($(m:%$(strip $2)=%$(s))))))) endef -# LEX -# --------------------------------------------------------------------------- -quiet_cmd_flex = LEX $@ - cmd_flex = $(LEX) -o$@ -L $< - -$(obj)/%.lex.c: $(src)/%.l FORCE - $(call if_changed,flex) - -# YACC -# --------------------------------------------------------------------------- -quiet_cmd_bison = YACC $@ - cmd_bison = $(YACC) -o$@ -t -l $< - -$(obj)/%.tab.c: $(src)/%.y FORCE - $(call if_changed,bison) - -quiet_cmd_bison_h = YACC $@ - cmd_bison_h = $(YACC) -o/dev/null --defines=$@ -t -l $< - -$(obj)/%.tab.h: $(src)/%.y FORCE - $(call if_changed,bison_h) - # Shipped files # =========================================================================== @@ -227,7 +232,7 @@ quiet_cmd_ld = LD $@ # --------------------------------------------------------------------------- quiet_cmd_ar = AR $@ - cmd_ar = rm -f $@; $(AR) rcsTP$(KBUILD_ARFLAGS) $@ $(real-prereqs) + cmd_ar = rm -f $@; $(AR) cDPrsT $@ $(real-prereqs) # Objcopy # --------------------------------------------------------------------------- @@ -246,7 +251,7 @@ quiet_cmd_gzip = GZIP $@ DTC ?= $(objtree)/scripts/dtc/dtc # Disable noisy checks by default -ifeq ($(findstring 1,$(KBUILD_ENABLE_EXTRA_GCC_CHECKS)),) +ifeq ($(findstring 1,$(KBUILD_EXTRA_WARN)),) DTC_FLAGS += -Wno-unit_address_vs_reg \ -Wno-unit_address_format \ -Wno-avoid_unnecessary_addr_size \ @@ -257,7 +262,7 @@ DTC_FLAGS += -Wno-unit_address_vs_reg \ -Wno-pci_device_reg endif -ifneq ($(findstring 2,$(KBUILD_ENABLE_EXTRA_GCC_CHECKS)),) +ifneq ($(findstring 2,$(KBUILD_EXTRA_WARN)),) DTC_FLAGS += -Wnode_name_chars_strict \ -Wproperty_name_chars_strict endif @@ -331,19 +336,19 @@ printf "%08x\n" $$dec_size | \ ) quiet_cmd_bzip2 = BZIP2 $@ - cmd_bzip2 = { cat $(real-prereqs) | bzip2 -9 && $(size_append); } > $@ + cmd_bzip2 = { cat $(real-prereqs) | bzip2 -9; $(size_append); } > $@ # Lzma # --------------------------------------------------------------------------- quiet_cmd_lzma = LZMA $@ - cmd_lzma = { cat $(real-prereqs) | lzma -9 && $(size_append); } > $@ + cmd_lzma = { cat $(real-prereqs) | lzma -9; $(size_append); } > $@ quiet_cmd_lzo = LZO $@ - cmd_lzo = { cat $(real-prereqs) | lzop -9 && $(size_append); } > $@ + cmd_lzo = { cat $(real-prereqs) | lzop -9; $(size_append); } > $@ quiet_cmd_lz4 = LZ4 $@ - cmd_lz4 = { cat $(real-prereqs) | lz4c -l -c1 stdin stdout && \ + cmd_lz4 = { cat $(real-prereqs) | lz4c -l -c1 stdin stdout; \ $(size_append); } > $@ # U-Boot mkimage @@ -362,7 +367,7 @@ UIMAGE_ENTRYADDR ?= $(UIMAGE_LOADADDR) UIMAGE_NAME ?= 'Linux-$(KERNELRELEASE)' quiet_cmd_uimage = UIMAGE $@ - cmd_uimage = $(CONFIG_SHELL) $(MKIMAGE) -A $(UIMAGE_ARCH) -O linux \ + cmd_uimage = $(BASH) $(MKIMAGE) -A $(UIMAGE_ARCH) -O linux \ -C $(UIMAGE_COMPRESSION) $(UIMAGE_OPTS-y) \ -T $(UIMAGE_TYPE) \ -a $(UIMAGE_LOADADDR) -e $(UIMAGE_ENTRYADDR) \ @@ -386,7 +391,7 @@ quiet_cmd_uimage = UIMAGE $@ # big dictionary would increase the memory usage too much in the multi-call # decompression mode. A BCJ filter isn't used either. quiet_cmd_xzkern = XZKERN $@ - cmd_xzkern = { cat $(real-prereqs) | sh $(srctree)/scripts/xz_wrap.sh && \ + cmd_xzkern = { cat $(real-prereqs) | sh $(srctree)/scripts/xz_wrap.sh; \ $(size_append); } > $@ quiet_cmd_xzmisc = XZMISC $@ |