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Force compilation and linking when options changes

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Fred Sundvik 2016-07-30 22:07:01 +03:00
parent e58e9af2ab
commit 84bfb19554
1 changed files with 28 additions and 9 deletions
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37
tmk_core/rules.mk
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@ -284,8 +284,8 @@ GENDEPFLAGS = -MMD -MP -MF $(patsubst %.o,%.td,$@)
# Combine all necessary flags and optional flags. # Combine all necessary flags and optional flags.
# Add target processor to flags. # Add target processor to flags.
# You can give extra flags at 'make' command line like: make EXTRAFLAGS=-DFOO=bar # You can give extra flags at 'make' command line like: make EXTRAFLAGS=-DFOO=bar
ALL_CFLAGS = $(MCUFLAGS) $(CFLAGS) $(GENDEPFLAGS) $(EXTRAFLAGS) ALL_CFLAGS = $(MCUFLAGS) $(CFLAGS) $(EXTRAFLAGS)
ALL_CPPFLAGS = $(MCUFLAGS) -x c++ $(CPPFLAGS) $(GENDEPFLAGS) $(EXTRAFLAGS) ALL_CPPFLAGS = $(MCUFLAGS) -x c++ $(CPPFLAGS) $(EXTRAFLAGS)
ALL_ASFLAGS = $(MCUFLAGS) -x assembler-with-cpp $(ASFLAGS) $(EXTRAFLAGS) ALL_ASFLAGS = $(MCUFLAGS) -x assembler-with-cpp $(ASFLAGS) $(EXTRAFLAGS)
MOVE_DEP = mv -f $(patsubst %.o,%.td,$@) $(patsubst %.o,%.d,$@) MOVE_DEP = mv -f $(patsubst %.o,%.td,$@) $(patsubst %.o,%.d,$@)
@ -385,32 +385,51 @@ BEGIN = gccversion check_submodule sizebefore
# Link: create ELF output file from object files. # Link: create ELF output file from object files.
.SECONDARY : $(BUILD_DIR)/$(TARGET).elf .SECONDARY : $(BUILD_DIR)/$(TARGET).elf
.PRECIOUS : $(OBJ) .PRECIOUS : $(OBJ)
%.elf: $(OBJ) | $(BEGIN) # Note the obj.txt depeendency is there to force linking if a source file is deleted
%.elf: $(OBJ) $(OBJDIR)/cflags.txt $(OBJDIR)/ldflags.txt $(OBJDIR)/obj.txt | $(BEGIN)
@$(SILENT) || printf "$(MSG_LINKING) $@" | $(AWK_CMD) @$(SILENT) || printf "$(MSG_LINKING) $@" | $(AWK_CMD)
$(eval CMD=$(CC) $(ALL_CFLAGS) $^ --output $@ $(LDFLAGS)) $(eval CMD=$(CC) $(ALL_CFLAGS) $(filter-out %.txt,$^) --output $@ $(LDFLAGS))
@$(BUILD_CMD) @$(BUILD_CMD)
define GEN_OBJRULE define GEN_OBJRULE
# Compile: create object files from C source files. # Compile: create object files from C source files.
$1/%.o : %.c $1/%.d | $(BEGIN) $1/%.o : %.c $1/%.d $1/cflags.txt | $(BEGIN)
@mkdir -p $$(@D) @mkdir -p $$(@D)
@$$(SILENT) || printf "$$(MSG_COMPILING) $$<" | $$(AWK_CMD) @$$(SILENT) || printf "$$(MSG_COMPILING) $$<" | $$(AWK_CMD)
$$(eval CMD=$$(CC) -c $$(ALL_CFLAGS) $$< -o $$@ && $$(MOVE_DEP)) $$(eval CMD=$$(CC) -c $$(ALL_CFLAGS) $$(GENDEPFLAGS) $$< -o $$@ && $$(MOVE_DEP))
@$$(BUILD_CMD) @$$(BUILD_CMD)
# Compile: create object files from C++ source files. # Compile: create object files from C++ source files.
$1/%.o : %.cpp $1/%.d | $(BEGIN) $1/%.o : %.cpp $1/%.d $1/cppflags.txt | $(BEGIN)
@mkdir -p $$(@D) @mkdir -p $$(@D)
@$$(SILENT) || printf "$$(MSG_COMPILING_CPP) $$<" | $$(AWK_CMD) @$$(SILENT) || printf "$$(MSG_COMPILING_CPP) $$<" | $$(AWK_CMD)
$$(eval CMD=$$(CC) -c $$(ALL_CPPFLAGS) $$< -o $$@ && $$(MOVE_DEP)) $$(eval CMD=$$(CC) -c $$(ALL_CPPFLAGS) $$(GENDEPFLAGS) $$< -o $$@ && $$(MOVE_DEP))
@$(BUILD_CMD) @$(BUILD_CMD)
# Assemble: create object files from assembler source files. # Assemble: create object files from assembler source files.
$1/%.o : %.S | $(BEGIN) $1/%.o : %.S $1/asflags.txt | $(BEGIN)
@mkdir -p $$(@D) @mkdir -p $$(@D)
@$(SILENT) || printf "$$(MSG_ASSEMBLING) $$<" | $$(AWK_CMD) @$(SILENT) || printf "$$(MSG_ASSEMBLING) $$<" | $$(AWK_CMD)
$$(eval CMD=$$(CC) -c $$(ALL_ASFLAGS) $$< -o $$@) $$(eval CMD=$$(CC) -c $$(ALL_ASFLAGS) $$< -o $$@)
@$$(BUILD_CMD) @$$(BUILD_CMD)
$1/force:
$1/cflags.txt: $1/force
echo '$$(ALL_CFLAGS)' | cmp -s - $$@ || echo '$$(ALL_CFLAGS)' > $$@
$1/cppflags.txt: $1/force
echo '$$(ALL_CPPFLAGS)' | cmp -s - $$@ || echo '$$(ALL_CPPFLAGS)' > $$@
$1/asflags.txt: $1/force
echo '$$(ALL_ASFLAGS)' | cmp -s - $$@ || echo '$$(ALL_ASFLAGS)' > $$@
$1/ldflags.txt: $1/force
echo '$$(LDFLAGS)' | cmp -s - $$@ || echo '$$(LDFLAGS)' > $$@
$1/obj.txt: $1/force
echo '$$(OBJ)' | cmp -s - $$@ || echo '$$(OBJ)' > $$@
endef endef
# We have to use static rules for the .d files for some reason # We have to use static rules for the .d files for some reason