X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=scripts%2FMakefile.build;h=468fbc9016c7b0773db9073a28f655bdf31e372d;hb=dce9d18adde74b8e36b9e4a8a49ddf066bad0b3b;hp=e74a837690e5119b623eef00679a6ebb85ea4e9f;hpb=5e54d5e5fbc1f7237930af8466caf3cefd13b9bd;p=linux-2.6-omap-h63xx.git diff --git a/scripts/Makefile.build b/scripts/Makefile.build index e74a837690e..468fbc9016c 100644 --- a/scripts/Makefile.build +++ b/scripts/Makefile.build @@ -22,16 +22,30 @@ EXTRA_AFLAGS := EXTRA_CFLAGS := EXTRA_CPPFLAGS := EXTRA_LDFLAGS := +asflags-y := +ccflags-y := +cppflags-y := +ldflags-y := -# Read .config if it exist, otherwise ignore +# Read auto.conf if it exists, otherwise ignore -include include/config/auto.conf 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)) -include $(if $(wildcard $(kbuild-dir)/Kbuild), $(kbuild-dir)/Kbuild, $(kbuild-dir)/Makefile) - +kbuild-file := $(if $(wildcard $(kbuild-dir)/Kbuild),$(kbuild-dir)/Kbuild,$(kbuild-dir)/Makefile) +include $(kbuild-file) + +# If the save-* variables changed error out +ifeq ($(KBUILD_NOPEDANTIC),) + ifneq ("$(save-cflags)","$(CFLAGS)") + $(error CFLAGS was changed in "$(kbuild-file)". Fix it to use EXTRA_CFLAGS) + endif +endif include scripts/Makefile.lib ifdef host-progs @@ -41,7 +55,7 @@ hostprogs-y += $(host-progs) endif endif -# Do not include host rules unles needed +# Do not include host rules unless needed ifneq ($(hostprogs-y)$(hostprogs-m),) include scripts/Makefile.host endif @@ -55,31 +69,6 @@ _dummy := $(shell [ -d $(obj) ] || mkdir -p $(obj)) _dummy := $(foreach d,$(obj-dirs), $(shell [ -d $(d) ] || mkdir -p $(d))) endif - -ifdef EXTRA_TARGETS -$(warning kbuild: $(obj)/Makefile - Usage of EXTRA_TARGETS is obsolete in 2.6. Please fix!) -endif - -ifdef build-targets -$(warning kbuild: $(obj)/Makefile - Usage of build-targets is obsolete in 2.6. Please fix!) -endif - -ifdef export-objs -$(warning kbuild: $(obj)/Makefile - Usage of export-objs is obsolete in 2.6. Please fix!) -endif - -ifdef O_TARGET -$(warning kbuild: $(obj)/Makefile - Usage of O_TARGET := $(O_TARGET) is obsolete in 2.6. Please fix!) -endif - -ifdef L_TARGET -$(error kbuild: $(obj)/Makefile - Use of L_TARGET is replaced by lib-y in 2.6. Please fix!) -endif - -ifdef list-multi -$(warning kbuild: $(obj)/Makefile - list-multi := $(list-multi) is obsolete in 2.6. Please fix!) -endif - ifndef obj $(warning kbuild: Makefile.build is included improperly) endif @@ -94,10 +83,12 @@ ifneq ($(strip $(obj-y) $(obj-m) $(obj-n) $(obj-) $(lib-target)),) builtin-target := $(obj)/built-in.o endif +modorder-target := $(obj)/modules.order + # We keep a list of all modules in $(MODVERDIR) __build: $(if $(KBUILD_BUILTIN),$(builtin-target) $(lib-target) $(extra-y)) \ - $(if $(KBUILD_MODULES),$(obj-m)) \ + $(if $(KBUILD_MODULES),$(obj-m) $(modorder-target)) \ $(subdir-ym) $(always) @: @@ -112,6 +103,10 @@ ifneq ($(KBUILD_CHECKSRC),0) endif endif +# Do section mismatch analysis for each module/built-in.o +ifdef CONFIG_DEBUG_SECTION_MISMATCH + cmd_secanalysis = ; scripts/mod/modpost $@ +endif # Compile C sources (.c) # --------------------------------------------------------------------------- @@ -203,10 +198,23 @@ cmd_modversions = \ fi; endif +ifdef CONFIG_64BIT +arch_bits = 64 +else +arch_bits = 32 +endif + +ifdef CONFIG_FTRACE_MCOUNT_RECORD +cmd_record_mcount = perl $(srctree)/scripts/recordmcount.pl \ + "$(ARCH)" "$(arch_bits)" "$(OBJDUMP)" "$(OBJCOPY)" "$(CC)" "$(LD)" \ + "$(NM)" "$(RM)" "$(MV)" "$(@)"; +endif + define rule_cc_o_c $(call echo-cmd,checksrc) $(cmd_checksrc) \ $(call echo-cmd,cc_o_c) $(cmd_cc_o_c); \ $(cmd_modversions) \ + $(cmd_record_mcount) \ scripts/basic/fixdep $(depfile) $@ '$(call make-cmd,cc_o_c)' > \ $(dot-target).tmp; \ rm -f $(depfile); \ @@ -277,7 +285,8 @@ ifdef builtin-target quiet_cmd_link_o_target = LD $@ # 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), $^),\ + $(LD) $(ld_flags) -r -o $@ $(filter $(obj-y), $^) \ + $(cmd_secanalysis),\ rm -f $@; $(AR) rcs $@) $(builtin-target): $(obj-y) FORCE @@ -286,6 +295,19 @@ $(builtin-target): $(obj-y) FORCE targets += $(builtin-target) endif # builtin-target +# +# Rule to create modules.order file +# +# Create commands to either record .ko file or cat modules.order from +# a subdirectory +modorder-cmds = \ + $(foreach m, $(modorder), \ + $(if $(filter %/modules.order, $m), \ + cat $m;, echo kernel/$m;)) + +$(modorder-target): $(subdir-ym) FORCE + $(Q)(cat /dev/null; $(modorder-cmds)) > $@ + # # Rule to compile a set of .o files into one .a file # @@ -312,7 +334,7 @@ $($(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_link_multi-y = $(LD) $(ld_flags) -r -o $@ $(link_multi_deps) $(cmd_secanalysis) quiet_cmd_link_multi-m = LD [M] $@ cmd_link_multi-m = $(cmd_link_multi-y)