diff options
Diffstat (limited to 'qemu/roms/u-boot/scripts/Kbuild.include')
| -rw-r--r-- | qemu/roms/u-boot/scripts/Kbuild.include | 294 |
1 files changed, 0 insertions, 294 deletions
diff --git a/qemu/roms/u-boot/scripts/Kbuild.include b/qemu/roms/u-boot/scripts/Kbuild.include deleted file mode 100644 index c664e39be..000000000 --- a/qemu/roms/u-boot/scripts/Kbuild.include +++ /dev/null @@ -1,294 +0,0 @@ -#### -# kbuild: Generic definitions - -# Convenient variables -comma := , -quote := " -squote := ' -empty := -space := $(empty) $(empty) - -### -# Name of target with a '.' as filename prefix. foo/bar.o => foo/.bar.o -dot-target = $(dir $@).$(notdir $@) - -### -# The temporary file to save gcc -MD generated dependencies must not -# contain a comma -depfile = $(subst $(comma),_,$(dot-target).d) - -### -# filename of target with directory and extension stripped -basetarget = $(basename $(notdir $@)) - -### -# filename of first prerequisite with directory and extension stripped -baseprereq = $(basename $(notdir $<)) - -### -# Escape single quote for use in echo statements -escsq = $(subst $(squote),'\$(squote)',$1) - -### -# Easy method for doing a status message - kecho := : - quiet_kecho := echo -silent_kecho := : -kecho := $($(quiet)kecho) - -### -# filechk is used to check if the content of a generated file is updated. -# Sample usage: -# define filechk_sample -# echo $KERNELRELEASE -# endef -# version.h : Makefile -# $(call filechk,sample) -# The rule defined shall write to stdout the content of the new file. -# The existing file will be compared with the new one. -# - If no file exist it is created -# - If the content differ the new file is used -# - If they are equal no change, and no timestamp update -# - stdin is piped in from the first prerequisite ($<) so one has -# to specify a valid file as first prerequisite (often the kbuild file) -define filechk - $(Q)set -e; \ - $(kecho) ' CHK $@'; \ - mkdir -p $(dir $@); \ - $(filechk_$(1)) < $< > $@.tmp; \ - if [ -r $@ ] && cmp -s $@ $@.tmp; then \ - rm -f $@.tmp; \ - else \ - $(kecho) ' UPD $@'; \ - mv -f $@.tmp $@; \ - fi -endef - -###### -# gcc support functions -# See documentation in Documentation/kbuild/makefiles.txt - -# cc-cross-prefix -# Usage: CROSS_COMPILE := $(call cc-cross-prefix, m68k-linux-gnu- m68k-linux-) -# Return first prefix where a prefix$(CC) is found in PATH. -# If no $(CC) found in PATH with listed prefixes return nothing -cc-cross-prefix = \ - $(word 1, $(foreach c,$(1), \ - $(shell set -e; \ - if (which $(strip $(c))$(CC)) > /dev/null 2>&1 ; then \ - echo $(c); \ - fi))) - -# output directory for tests below -TMPOUT := $(if $(KBUILD_EXTMOD),$(firstword $(KBUILD_EXTMOD))/) - -# try-run -# Usage: option = $(call try-run, $(CC)...-o "$$TMP",option-ok,otherwise) -# Exit code chooses option. "$$TMP" is can be used as temporary file and -# is automatically cleaned up. -# modifed for U-Boot: prevent cc-option from leaving .*.su files -try-run = $(shell set -e; \ - TMP="$(TMPOUT).$$$$.tmp"; \ - TMPO="$(TMPOUT).$$$$.o"; \ - TMPSU="$(TMPOUT).$$$$.su"; \ - if ($(1)) >/dev/null 2>&1; \ - then echo "$(2)"; \ - else echo "$(3)"; \ - fi; \ - rm -f "$$TMP" "$$TMPO" "$$TMPSU") - -# as-option -# Usage: cflags-y += $(call as-option,-Wa$(comma)-isa=foo,) - -as-option = $(call try-run,\ - $(CC) $(KBUILD_CFLAGS) $(1) -c -x assembler /dev/null -o "$$TMP",$(1),$(2)) - -# as-instr -# Usage: cflags-y += $(call as-instr,instr,option1,option2) - -as-instr = $(call try-run,\ - printf "%b\n" "$(1)" | $(CC) $(KBUILD_AFLAGS) -c -x assembler -o "$$TMP" -,$(2),$(3)) - -# cc-option -# Usage: cflags-y += $(call cc-option,-march=winchip-c6,-march=i586) - -cc-option = $(call try-run,\ - $(CC) $(KBUILD_CPPFLAGS) $(KBUILD_CFLAGS) $(1) -c -x c /dev/null -o "$$TMP",$(1),$(2)) - -# cc-option-yn -# Usage: flag := $(call cc-option-yn,-march=winchip-c6) -cc-option-yn = $(call try-run,\ - $(CC) $(KBUILD_CPPFLAGS) $(KBUILD_CFLAGS) $(1) -c -x c /dev/null -o "$$TMP",y,n) - -# cc-option-align -# Prefix align with either -falign or -malign -cc-option-align = $(subst -functions=0,,\ - $(call cc-option,-falign-functions=0,-malign-functions=0)) - -# cc-disable-warning -# Usage: cflags-y += $(call cc-disable-warning,unused-but-set-variable) -cc-disable-warning = $(call try-run,\ - $(CC) $(KBUILD_CPPFLAGS) $(KBUILD_CFLAGS) -W$(strip $(1)) -c -x c /dev/null -o "$$TMP",-Wno-$(strip $(1))) - -# cc-version -# Usage gcc-ver := $(call cc-version) -cc-version = $(shell $(CONFIG_SHELL) $(srctree)/scripts/gcc-version.sh $(CC)) - -# cc-fullversion -# Usage gcc-ver := $(call cc-fullversion) -cc-fullversion = $(shell $(CONFIG_SHELL) \ - $(srctree)/scripts/gcc-version.sh -p $(CC)) - -# cc-ifversion -# Usage: EXTRA_CFLAGS += $(call cc-ifversion, -lt, 0402, -O1) -cc-ifversion = $(shell [ $(call cc-version, $(CC)) $(1) $(2) ] && echo $(3)) - -# added for U-Boot -binutils-version = $(shell $(CONFIG_SHELL) $(srctree)/scripts/binutils-version.sh $(AS)) -dtc-version = $(shell $(CONFIG_SHELL) $(srctree)/scripts/dtc-version.sh $(DTC)) - -# cc-ldoption -# Usage: ldflags += $(call cc-ldoption, -Wl$(comma)--hash-style=both) -cc-ldoption = $(call try-run,\ - $(CC) $(1) -nostdlib -x c /dev/null -o "$$TMP",$(1),$(2)) - -# ld-option -# Usage: LDFLAGS += $(call ld-option, -X) -ld-option = $(call try-run,\ - $(CC) -x c /dev/null -c -o "$$TMPO" ; $(LD) $(1) "$$TMPO" -o "$$TMP",$(1),$(2)) - -# ar-option -# Usage: KBUILD_ARFLAGS := $(call ar-option,D) -# Important: no spaces around options -ar-option = $(call try-run, $(AR) rc$(1) "$$TMP",$(1),$(2)) - -# ld-version -# Usage: $(call ld-version) -# Note this is mainly for HJ Lu's 3 number binutil versions -ld-version = $(shell $(LD) --version | $(srctree)/scripts/ld-version.sh) - -# ld-ifversion -# Usage: $(call ld-ifversion, -ge, 22252, y) -ld-ifversion = $(shell [ $(call ld-version) $(1) $(2) ] && echo $(3)) - -###### - -### -# Shorthand for $(Q)$(MAKE) -f scripts/Makefile.build obj= -# Usage: -# $(Q)$(MAKE) $(build)=dir -build := -f $(if $(KBUILD_SRC),$(srctree)/)scripts/Makefile.build obj - -### -# Shorthand for $(Q)$(MAKE) -f scripts/Makefile.modbuiltin obj= -# Usage: -# $(Q)$(MAKE) $(modbuiltin)=dir -modbuiltin := -f $(if $(KBUILD_SRC),$(srctree)/)scripts/Makefile.modbuiltin obj - -# Prefix -I with $(srctree) if it is not an absolute path. -# skip if -I has no parameter -addtree = $(if $(patsubst -I%,%,$(1)), \ -$(if $(filter-out -I/%,$(1)),$(patsubst -I%,-I$(srctree)/%,$(1))) $(1)) - -# Find all -I options and call addtree -flags = $(foreach o,$($(1)),$(if $(filter -I%,$(o)),$(call addtree,$(o)),$(o))) - -# echo command. -# Short version is used, if $(quiet) equals `quiet_', otherwise full one. -echo-cmd = $(if $($(quiet)cmd_$(1)),\ - echo ' $(call escsq,$($(quiet)cmd_$(1)))$(echo-why)';) - -# printing commands -cmd = @$(echo-cmd) $(cmd_$(1)) - -# Add $(obj)/ for paths that are not absolute -objectify = $(foreach o,$(1),$(if $(filter /%,$(o)),$(o),$(obj)/$(o))) - -### -# if_changed - execute command if any prerequisite is newer than -# target, or command line has changed -# if_changed_dep - as if_changed, but uses fixdep to reveal dependencies -# including used config symbols -# if_changed_rule - as if_changed but execute rule instead -# See Documentation/kbuild/makefiles.txt for more info - -ifneq ($(KBUILD_NOCMDDEP),1) -# Check if both arguments has same arguments. Result is empty string if equal. -# User may override this check using make KBUILD_NOCMDDEP=1 -arg-check = $(strip $(filter-out $(cmd_$(1)), $(cmd_$@)) \ - $(filter-out $(cmd_$@), $(cmd_$(1))) ) -else -arg-check = $(if $(strip $(cmd_$@)),,1) -endif - -# >'< substitution is for echo to work, -# >$< substitution to preserve $ when reloading .cmd file -# note: when using inline perl scripts [perl -e '...$$t=1;...'] -# in $(cmd_xxx) double $$ your perl vars -make-cmd = $(subst \\,\\\\,$(subst \#,\\\#,$(subst $$,$$$$,$(call escsq,$(cmd_$(1)))))) - -# Find any prerequisites that is newer than target or that does not exist. -# PHONY targets skipped in both cases. -any-prereq = $(filter-out $(PHONY),$?) $(filter-out $(PHONY) $(wildcard $^),$^) - -# Execute command if command has changed or prerequisite(s) are updated. -# -if_changed = $(if $(strip $(any-prereq) $(arg-check)), \ - @set -e; \ - $(echo-cmd) $(cmd_$(1)); \ - echo 'cmd_$@ := $(make-cmd)' > $(dot-target).cmd) - -# Execute the command and also postprocess generated .d dependencies file. -if_changed_dep = $(if $(strip $(any-prereq) $(arg-check) ), \ - @set -e; \ - $(echo-cmd) $(cmd_$(1)); \ - scripts/basic/fixdep $(depfile) $@ '$(make-cmd)' > $(dot-target).tmp;\ - rm -f $(depfile); \ - mv -f $(dot-target).tmp $(dot-target).cmd) - -# Usage: $(call if_changed_rule,foo) -# Will check if $(cmd_foo) or any of the prerequisites changed, -# and if so will execute $(rule_foo). -if_changed_rule = $(if $(strip $(any-prereq) $(arg-check) ), \ - @set -e; \ - $(rule_$(1))) - -### -# why - tell why a a target got build -# enabled by make V=2 -# Output (listed in the order they are checked): -# (1) - due to target is PHONY -# (2) - due to target missing -# (3) - due to: file1.h file2.h -# (4) - due to command line change -# (5) - due to missing .cmd file -# (6) - due to target not in $(targets) -# (1) PHONY targets are always build -# (2) No target, so we better build it -# (3) Prerequisite is newer than target -# (4) The command line stored in the file named dir/.target.cmd -# differed from actual command line. This happens when compiler -# options changes -# (5) No dir/.target.cmd file (used to store command line) -# (6) No dir/.target.cmd file and target not listed in $(targets) -# This is a good hint that there is a bug in the kbuild file -ifeq ($(KBUILD_VERBOSE),2) -why = \ - $(if $(filter $@, $(PHONY)),- due to target is PHONY, \ - $(if $(wildcard $@), \ - $(if $(strip $(any-prereq)),- due to: $(any-prereq), \ - $(if $(arg-check), \ - $(if $(cmd_$@),- due to command line change, \ - $(if $(filter $@, $(targets)), \ - - due to missing .cmd file, \ - - due to $(notdir $@) not in $$(targets) \ - ) \ - ) \ - ) \ - ), \ - - due to target missing \ - ) \ - ) - -echo-why = $(call escsq, $(strip $(why))) -endif |