diff options
Diffstat (limited to '')
| -rw-r--r-- | scripts/Makefile | 3 | ||||
| -rw-r--r-- | scripts/Makefile.build | 29 | ||||
| -rw-r--r-- | scripts/Makefile.host | 6 | ||||
| -rw-r--r-- | scripts/Makefile.lib | 42 | ||||
| -rw-r--r-- | scripts/Makefile.modpost | 2 |
5 files changed, 40 insertions, 42 deletions
diff --git a/scripts/Makefile b/scripts/Makefile index feb1f71381d7..9d442ee050bd 100644 --- a/scripts/Makefile +++ b/scripts/Makefile @@ -39,7 +39,6 @@ build_unifdef: $(obj)/unifdef subdir-$(CONFIG_GCC_PLUGINS) += gcc-plugins subdir-$(CONFIG_MODVERSIONS) += genksyms subdir-$(CONFIG_SECURITY_SELINUX) += selinux -subdir-$(CONFIG_GDB_SCRIPTS) += gdb # Let clean descend into subdirs -subdir- += basic dtc kconfig mod package +subdir- += basic dtc gdb kconfig mod package diff --git a/scripts/Makefile.build b/scripts/Makefile.build index fd03d60f6c5a..850b611f4aba 100644 --- a/scripts/Makefile.build +++ b/scripts/Makefile.build @@ -63,7 +63,9 @@ ifneq ($(strip $(real-obj-y) $(need-builtin)),) builtin-target := $(obj)/built-in.a endif +ifdef CONFIG_MODULES modorder-target := $(obj)/modules.order +endif # We keep a list of all modules in $(MODVERDIR) @@ -104,7 +106,7 @@ modkern_cflags = \ quiet_modtag = $(if $(part-of-module),[M], ) quiet_cmd_cc_s_c = CC $(quiet_modtag) $@ -cmd_cc_s_c = $(CC) $(c_flags) $(DISABLE_LTO) -fverbose-asm -S -o $@ $< + cmd_cc_s_c = $(CC) $(filter-out $(DEBUG_CFLAGS), $(c_flags)) $(DISABLE_LTO) -fverbose-asm -S -o $@ $< $(obj)/%.s: $(src)/%.c FORCE $(call if_changed_dep,cc_s_c) @@ -118,7 +120,7 @@ $(obj)/%.i: $(src)/%.c FORCE # These mirror gensymtypes_S and co below, keep them in synch. cmd_gensymtypes_c = \ $(CPP) -D__GENKSYMS__ $(c_flags) $< | \ - $(GENKSYMS) $(if $(1), -T $(2)) \ + scripts/genksyms/genksyms $(if $(1), -T $(2)) \ $(patsubst y,-R,$(CONFIG_MODULE_REL_CRCS)) \ $(if $(KBUILD_PRESERVE),-p) \ -r $(firstword $(wildcard $(2:.symtypes=.symref) /dev/null)) @@ -312,13 +314,13 @@ $(real-obj-m:.o=.s): modkern_aflags := $(KBUILD_AFLAGS_MODULE) $(AFLAGS_MODULE) # # These mirror gensymtypes_c and co above, keep them in synch. cmd_gensymtypes_S = \ - (echo "\#include <linux/kernel.h>" ; \ + { echo "\#include <linux/kernel.h>" ; \ echo "\#include <asm/asm-prototypes.h>" ; \ $(CPP) $(a_flags) $< | \ grep "\<___EXPORT_SYMBOL\>" | \ - sed 's/.*___EXPORT_SYMBOL[[:space:]]*\([a-zA-Z0-9_]*\)[[:space:]]*,.*/EXPORT_SYMBOL(\1);/' ) | \ + sed 's/.*___EXPORT_SYMBOL[[:space:]]*\([a-zA-Z0-9_]*\)[[:space:]]*,.*/EXPORT_SYMBOL(\1);/' ; } | \ $(CPP) -D__GENKSYMS__ $(c_flags) -xc - | \ - $(GENKSYMS) $(if $(1), -T $(2)) \ + scripts/genksyms/genksyms $(if $(1), -T $(2)) \ $(patsubst y,-R,$(CONFIG_MODULE_REL_CRCS)) \ $(if $(KBUILD_PRESERVE),-p) \ -r $(firstword $(wildcard $(2:.symtypes=.symref) /dev/null)) @@ -394,17 +396,12 @@ $(obj)/%.asn1.c $(obj)/%.asn1.h: $(src)/%.asn1 $(objtree)/scripts/asn1_compiler $(sort $(subdir-obj-y)): $(subdir-ym) ; # -# Rule to compile a set of .o files into one .o file +# Rule to compile a set of .o files into one .a file (without symbol table) # ifdef builtin-target -# built-in.a archives are made with no symbol table or index which -# makes them small and fast, but unable to be used by the linker. -# scripts/link-vmlinux.sh builds an aggregate built-in.a with a symbol -# table and index. quiet_cmd_ar_builtin = AR $@ - cmd_ar_builtin = rm -f $@; \ - $(AR) rcSTP$(KBUILD_ARFLAGS) $@ $(filter $(real-obj-y), $^) + cmd_ar_builtin = rm -f $@; $(AR) rcSTP$(KBUILD_ARFLAGS) $@ $(real-prereqs) $(builtin-target): $(real-obj-y) FORCE $(call if_changed,ar_builtin) @@ -426,13 +423,13 @@ $(modorder-target): $(subdir-ym) FORCE $(Q)(cat /dev/null; $(modorder-cmds)) > $@ # -# Rule to compile a set of .o files into one .a file +# Rule to compile a set of .o files into one .a file (with symbol table) # ifdef lib-target quiet_cmd_link_l_target = AR $@ # lib target archives do get a symbol table and index -cmd_link_l_target = rm -f $@; $(AR) rcsTP$(KBUILD_ARFLAGS) $@ $(lib-y) +cmd_link_l_target = rm -f $@; $(AR) rcsTP$(KBUILD_ARFLAGS) $@ $(real-prereqs) $(lib-target): $(lib-y) FORCE $(call if_changed,link_l_target) @@ -457,6 +454,10 @@ targets += $(obj)/lib-ksyms.o endif +# NOTE: +# Do not replace $(filter %.o,^) with $(real-prereqs). When a single object +# module is turned into a multi object module, $^ will contain header file +# dependencies recorded in the .*.cmd file. quiet_cmd_link_multi-m = LD [M] $@ cmd_link_multi-m = $(LD) $(ld_flags) -r -o $@ $(filter %.o,$^) $(cmd_secanalysis) diff --git a/scripts/Makefile.host b/scripts/Makefile.host index 0393f75db4d4..a115259b57e7 100644 --- a/scripts/Makefile.host +++ b/scripts/Makefile.host @@ -67,13 +67,15 @@ _hostc_flags = $(KBUILD_HOSTCFLAGS) $(HOST_EXTRACFLAGS) \ _hostcxx_flags = $(KBUILD_HOSTCXXFLAGS) $(HOST_EXTRACXXFLAGS) \ $(HOSTCXXFLAGS_$(basetarget).o) -ifeq ($(KBUILD_SRC),) __hostc_flags = $(_hostc_flags) __hostcxx_flags = $(_hostcxx_flags) -else + +ifeq ($(KBUILD_EXTMOD),) +ifneq ($(KBUILD_SRC),) __hostc_flags = -I$(obj) $(call flags,_hostc_flags) __hostcxx_flags = -I$(obj) $(call flags,_hostcxx_flags) endif +endif hostc_flags = -Wp,-MD,$(depfile) $(__hostc_flags) hostcxx_flags = -Wp,-MD,$(depfile) $(__hostcxx_flags) diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib index 12b88d09c3a4..c0abd9a779c3 100644 --- a/scripts/Makefile.lib +++ b/scripts/Makefile.lib @@ -137,14 +137,14 @@ _c_flags += $(if $(patsubst n%,, \ $(CFLAGS_KCOV)) endif -# If building the kernel in a separate objtree expand all occurrences -# of -Idir to -I$(srctree)/dir except for absolute paths (starting with '/'). - -ifeq ($(KBUILD_SRC),) __c_flags = $(_c_flags) __a_flags = $(_a_flags) __cpp_flags = $(_cpp_flags) -else + +# If building the kernel in a separate objtree expand all occurrences +# of -Idir to -I$(srctree)/dir except for absolute paths (starting with '/'). +ifeq ($(KBUILD_EXTMOD),) +ifneq ($(KBUILD_SRC),) # -I$(obj) locates generated .h files # $(call addtree,-I$(obj)) locates .h files in srctree, from generated .c files @@ -155,6 +155,7 @@ __c_flags = $(if $(obj),$(call addtree,-I$(src)) -I$(obj)) \ __a_flags = $(call flags,_a_flags) __cpp_flags = $(call flags,_cpp_flags) endif +endif c_flags = -Wp,-MD,$(depfile) $(NOSTDINC_FLAGS) $(LINUXINCLUDE) \ -include $(srctree)/include/linux/compiler_types.h \ @@ -230,7 +231,7 @@ $(obj)/%: $(src)/%_shipped # --------------------------------------------------------------------------- quiet_cmd_ld = LD $@ -cmd_ld = $(LD) $(ld_flags) $(filter-out FORCE,$^) -o $@ + cmd_ld = $(LD) $(ld_flags) $(real-prereqs) -o $@ # Objcopy # --------------------------------------------------------------------------- @@ -242,7 +243,7 @@ cmd_objcopy = $(OBJCOPY) $(OBJCOPYFLAGS) $(OBJCOPYFLAGS_$(@F)) $< $@ # --------------------------------------------------------------------------- quiet_cmd_gzip = GZIP $@ - cmd_gzip = cat $(filter-out FORCE,$^) | gzip -n -f -9 > $@ + cmd_gzip = cat $(real-prereqs) | gzip -n -f -9 > $@ # DTC # --------------------------------------------------------------------------- @@ -270,7 +271,7 @@ DTC_FLAGS += $(DTC_FLAGS_$(basetarget)) # Generate an assembly file to wrap the output of the device tree compiler quiet_cmd_dt_S_dtb= DTB $@ cmd_dt_S_dtb= \ -( \ +{ \ echo '\#include <asm-generic/vmlinux.lds.h>'; \ echo '.section .dtb.init.rodata,"a"'; \ echo '.balign STRUCT_ALIGNMENT'; \ @@ -280,7 +281,7 @@ cmd_dt_S_dtb= \ echo '__dtb_$(subst -,_,$(*F))_end:'; \ echo '.global __dtb_$(subst -,_,$(*F))_end'; \ echo '.balign STRUCT_ALIGNMENT'; \ -) > $@ +} > $@ $(obj)/%.dtb.S: $(obj)/%.dtb FORCE $(call if_changed,dt_S_dtb) @@ -320,7 +321,7 @@ dtc-tmp = $(subst $(comma),_,$(dot-target).dts.tmp) # append the size as a 32-bit littleendian number as gzip does. size_append = printf $(shell \ dec_size=0; \ -for F in $1; do \ +for F in $(real-prereqs); do \ fsize=$$($(CONFIG_SHELL) $(srctree)/scripts/file-size.sh $$F); \ dec_size=$$(expr $$dec_size + $$fsize); \ done; \ @@ -334,23 +335,20 @@ printf "%08x\n" $$dec_size | \ ) quiet_cmd_bzip2 = BZIP2 $@ -cmd_bzip2 = (cat $(filter-out FORCE,$^) | \ - bzip2 -9 && $(call size_append, $(filter-out FORCE,$^))) > $@ + cmd_bzip2 = { cat $(real-prereqs) | bzip2 -9 && $(size_append); } > $@ # Lzma # --------------------------------------------------------------------------- quiet_cmd_lzma = LZMA $@ -cmd_lzma = (cat $(filter-out FORCE,$^) | \ - lzma -9 && $(call size_append, $(filter-out FORCE,$^))) > $@ + cmd_lzma = { cat $(real-prereqs) | lzma -9 && $(size_append); } > $@ quiet_cmd_lzo = LZO $@ -cmd_lzo = (cat $(filter-out FORCE,$^) | \ - lzop -9 && $(call size_append, $(filter-out FORCE,$^))) > $@ + cmd_lzo = { cat $(real-prereqs) | lzop -9 && $(size_append); } > $@ quiet_cmd_lz4 = LZ4 $@ -cmd_lz4 = (cat $(filter-out FORCE,$^) | \ - lz4c -l -c1 stdin stdout && $(call size_append, $(filter-out FORCE,$^))) > $@ + cmd_lz4 = { cat $(real-prereqs) | lz4c -l -c1 stdin stdout && \ + $(size_append); } > $@ # U-Boot mkimage # --------------------------------------------------------------------------- @@ -392,13 +390,11 @@ 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 $(filter-out FORCE,$^) | \ - sh $(srctree)/scripts/xz_wrap.sh && \ - $(call size_append, $(filter-out FORCE,$^))) > $@ + cmd_xzkern = { cat $(real-prereqs) | sh $(srctree)/scripts/xz_wrap.sh && \ + $(size_append); } > $@ quiet_cmd_xzmisc = XZMISC $@ -cmd_xzmisc = (cat $(filter-out FORCE,$^) | \ - xz --check=crc32 --lzma2=dict=1MiB) > $@ + cmd_xzmisc = cat $(real-prereqs) | xz --check=crc32 --lzma2=dict=1MiB > $@ # ASM offsets # --------------------------------------------------------------------------- diff --git a/scripts/Makefile.modpost b/scripts/Makefile.modpost index 7d4af0d0accb..c0b7f526f95e 100644 --- a/scripts/Makefile.modpost +++ b/scripts/Makefile.modpost @@ -122,7 +122,7 @@ quiet_cmd_ld_ko_o = LD [M] $@ cmd_ld_ko_o = \ $(LD) -r $(KBUILD_LDFLAGS) \ $(KBUILD_LDFLAGS_MODULE) $(LDFLAGS_MODULE) \ - -o $@ $(filter-out FORCE,$^) ; \ + -o $@ $(real-prereqs) ; \ $(if $(ARCH_POSTLINK), $(MAKE) -f $(ARCH_POSTLINK) $@, true) $(modules): %.ko :%.o %.mod.o FORCE |