Makefile.rules

ifeq ("$(origin V)", "command line")
  BUILD_VERBOSE = $(V)
endif
ifndef BUILD_VERBOSE
  BUILD_VERBOSE = 0
endif

ifeq ($(BUILD_VERBOSE),1)
  quiet =
  Q =
else
  quiet = quiet_
  Q = @
endif

export Q quiet BUILD_VERBOSE

squote  := '
escsq = $(subst $(squote),'\$(squote)',$1)

echo-cmd = $(if $($(quiet)cmd_$(1)), echo '  $(call escsq,$($(quiet)cmd_$(1)))';)
cmd = @$(echo-cmd) $(cmd_$(1))


quiet_cmd_asm_offsets_s = [ $@ ]
      cmd_asm_offsets_s = $(CC) $(CFLAGS) $(defs) -S $< -o $@

asm-offsets.s: asm-offsets.c $(headers)
	$(call cmd,asm_offsets_s)
CLEAN_FILES += asm-offsets.s


quiet_cmd_asm_offsets_h = [ $@ ]
      cmd_asm_offsets_h = \
	(set -e; \
	 echo "/* DO NOT MODIFY. THIS FILE WAS AUTO-GENERATED. */"; \
	 echo "\#ifndef _ASM_OFFSETS_H_"; \
	 echo "\#define _ASM_OFFSETS_H_"; \
	 echo ""; \
	 awk '/\.ascii \" \#define/{val=$$5; gsub("\\$$", "", val); print $$3" "$$4" "val}' $^; \
	 echo ""; \
	 echo "\#endif") > $@

asm-offsets.h: asm-offsets.s
	$(call cmd,asm_offsets_h)
CLEAN_FILES += asm-offests.h


quiet_cmd_ln_sf = [ $@ ]
      cmd_ln_sf = ln -sf $(abspath $<) $@