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119 lines
3.2 KiB
Makefile
119 lines
3.2 KiB
Makefile
#
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# All Makefiles must follow the following conventions:
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#
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# - Compilation and linking steps must be done via the 'cmd' function:
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# e.g., use '$(call cmd,ld_so_o)' to create a shared library using LD
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#
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# - File-specific build flags must be specified via variables of the format 'FLAG-filename':
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# e.g., use 'LDFLAGS-libsysdb.so=...' to specify libsysdb.so-specific linker flags
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#
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ifeq ("$(origin V)", "command line")
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BUILD_VERBOSE = $(V)
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endif
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ifndef BUILD_VERBOSE
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BUILD_VERBOSE = 0
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endif
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ifeq ($(BUILD_VERBOSE),1)
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quiet =
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Q =
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else
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quiet = quiet_
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Q = @
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endif
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export Q quiet BUILD_VERBOSE
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squote := '
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escsq = $(subst $(squote),'\$(squote)',$1)
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echo-cmd = $(if $($(quiet)cmd_$(1)), echo ' $(call escsq,$($(quiet)cmd_$(1)))';)
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cmd = @$(echo-cmd) $(cmd_$(1))
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quiet_cmd_generated_offsets_s = [ $@ ]
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cmd_generated_offsets_s = $(CC) $(CFLAGS) $(defs) -S $< -o $@
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generated-offsets.s: generated-offsets.c $(filter-out asm-offsets.h,$(headers))
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$(call cmd,generated_offsets_s)
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CLEAN_FILES += generated-offsets.s
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quiet_cmd_asm_offsets_h = [ $@ ]
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cmd_asm_offsets_h = \
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(set -e; \
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echo "/* DO NOT MODIFY. THIS FILE WAS AUTO-GENERATED. */"; \
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echo "\#ifndef _ASM_OFFSETS_H_"; \
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echo "\#define _ASM_OFFSETS_H_"; \
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echo ""; \
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awk '/\.ascii "GENERATED_INTEGER/{print "\#ifndef " $$3 "\n\#define " $$3 " " $$4 "\n\#endif"}' $^; \
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echo ""; \
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echo "\#endif") > $@
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asm-offsets.h: generated-offsets.s
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$(call cmd,asm_offsets_h)
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CLEAN_FILES += asm-offsets.h
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quiet_cmd_generated_offsets_py = [ $@ ]
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cmd_generated_offsets_py = \
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(set -e; \
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echo "\# DO NOT MODIFY. THIS FILE WAS AUTO-GENERATED."; \
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echo ""; \
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awk '/\.ascii "GENERATED_INTEGER/{print $$3 " = " $$4}' $^) > $@
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generated_offsets.py: generated-offsets.s
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$(call cmd,generated_offsets_py)
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CLEAN_FILES += generated_offsets.py generated_offsets.pyc
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quiet_cmd_ln_sf = [ $@ ]
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cmd_ln_sf = ln -sf $(abspath $<) $@
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cc-option = $(shell set -e; \
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if ($(CC) -Werror $(1) -c -x c /dev/null -o /dev/null) >/dev/null 2>&1; \
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then echo "$(1)"; \
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fi)
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# .c
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quiet_cmd_cc_o_c = [ $@ ]
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cmd_cc_o_c = $(CC) $(CFLAGS) $(CFLAGS-$@) -c -o $@ $<
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quiet_cmd_cpp_i_c = [ $@ ]
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cmd_cpp_i_c = $(CC) $(CFLAGS) $(CFLAGS-$@) -E -o $@ $<
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quiet_cmd_cc_s_c = [ $@ ]
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cmd_cc_s_c = $(CC) $(CFLAGS) $(CFLAGS-$@) -S -o $@ $<
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# .S
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quiet_cmd_as_o_S = [ $@ ]
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cmd_as_o_S = $(CC) $(ASFLAGS) $(ASFLAGS-$@) -c -o $@ $<
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quiet_cmd_cpp_s_S = [ $@ ]
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cmd_cpp_s_S = $(CC) $(ASFLAGS) $(ASFLAGS-$@) -E -o $@ $<
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# LD
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quiet_cmd_ld_so_o = [ $@ ]
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cmd_ld_so_o = $(LD) $(LDFLAGS) $(LDFLAGS-$@) -o $@ $(filter-out %.map %.lds,$^) -soname $(notdir $@)
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# AR
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quiet_cmd_ar_so_o = [ $@ ]
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cmd_ar_so_o = $(AR) $(ARFLAGS) $(ARFLAGS-$@) $@ $^
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quiet_cmd_ar_a_o = [ $@ ]
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cmd_ar_a_o = $(AR) $(ARFLAGS) $(ARFLAGS-$@) $@ $^
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# LD only
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quiet_cmd_ld = [ $@ ]
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cmd_ld = $(LD) $(LDFLAGS) $(LDFLAGS-$@) -o $@ $(filter-out %.map %.lds,$^)
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# OBJCOPY
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quiet_cmd_objcopy = [ $@ ]
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cmd_objcopy = $(OBJCOPY) $(OBJCOPYFLAGS) $(OBJCOPYFLAGS-$@) $< $@
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# stack protector
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quiet_cmd_makefile_stack_protector = [ $@ ]
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cmd_makefile_stack_protector = \
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(set -e; \
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awk '/\#define STACK_PROTECTOR_CANARY/{print "CONFIG_STACK_PROTECTOR_GUARD_OFFSET="$$3}' $^; \
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) > $@
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