Use order only prerequisites to avoid re-linking
The prerequisites at the start of the build process are order-only so that the trget don't link again. Also added as a dependency to the compilation to force the messages to be printed at the start
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1 changed files with 11 additions and 9 deletions
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@ -360,49 +360,51 @@ gccversion :
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$(eval CMD=$(AR) $@ $(OBJ) )
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@$(BUILD_CMD)
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BEGIN = gccversion check_submodule sizebefore
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# Link: create ELF output file from object files.
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.SECONDARY : $(BUILD_DIR)/$(TARGET).elf
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.PRECIOUS : $(OBJ)
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%.elf: gccversion sizebefore check_submodule $(OBJ)
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%.elf: $(OBJ) | $(BEGIN)
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@$(SILENT) || printf "$(MSG_LINKING) $@" | $(AWK_CMD)
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$(eval CMD=$(CC) $(ALL_CFLAGS) $(filter-out gccversion sizebefore check_submodule,$^) --output $@ $(LDFLAGS))
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$(eval CMD=$(CC) $(ALL_CFLAGS) $^ --output $@ $(LDFLAGS))
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@$(BUILD_CMD)
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# Compile: create object files from C source files.
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$(OBJDIR)/%.o : %.c
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$(OBJDIR)/%.o : %.c | $(BEGIN)
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@mkdir -p $(@D)
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@$(SILENT) || printf "$(MSG_COMPILING) $<" | $(AWK_CMD)
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$(eval CMD=$(CC) -c $(ALL_CFLAGS) $< -o $@)
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@$(BUILD_CMD)
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# Compile: create object files from C++ source files.
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$(OBJDIR)/%.o : %.cpp
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$(OBJDIR)/%.o : %.cpp | $(BEGIN)
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@mkdir -p $(@D)
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@$(SILENT) || printf "$(MSG_COMPILING_CPP) $<" | $(AWK_CMD)
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$(eval CMD=$(CC) -c $(ALL_CPPFLAGS) $< -o $@)
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@$(BUILD_CMD)
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# Compile: create assembler files from C source files.
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%.s : %.c
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%.s : %.c | $(BEGIN)
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@$(SILENT) || printf "$(MSG_ASSEMBLING) $<" | $(AWK_CMD)
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$(eval CMD=$(CC) -S $(ALL_CFLAGS) $< -o $@)
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@$(BUILD_CMD)
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# Compile: create assembler files from C++ source files.
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%.s : %.cpp
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%.s : %.cpp | $(BEGIN)
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@$(SILENT) || printf "$(MSG_ASSEMBLING) $<" | $(AWK_CMD)
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$(eval CMD=$(CC) -S $(ALL_CPPFLAGS) $< -o $@)
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@$(BUILD_CMD)
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# Assemble: create object files from assembler source files.
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$(OBJDIR)/%.o : %.S
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$(OBJDIR)/%.o : %.S | $(BEGIN)
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@mkdir -p $(@D)
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@$(SILENT) || printf "$(MSG_ASSEMBLING) $<" | $(AWK_CMD)
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$(eval CMD=$(CC) -c $(ALL_ASFLAGS) $< -o $@)
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@$(BUILD_CMD)
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# Create preprocessed source for use in sending a bug report.
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%.i : %.c
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%.i : %.c | $(BEGIN)
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$(CC) -E -mmcu=$(MCU) $(CFLAGS) $< -o $@
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# Target: clean project.
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@ -492,7 +494,7 @@ $(shell mkdir $(OBJDIR) 2>/dev/null)
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# Listing of phony targets.
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.PHONY : all quick finish sizebefore sizeafter gccversion \
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build elf hex eep lss sym coff extcoff \
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build elf hex eep lss sym coff extcoff check_submodule \
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clean clean_list debug gdb-config show_path \
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program teensy dfu flip dfu-ee flip-ee dfu-start \
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all-keyboards-defaults all-keyboards all-keymaps \
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