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Use order only prerequisites to avoid re-linking

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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
This commit is contained in:
Fred Sundvik 2016-07-08 23:19:48 +03:00
parent e8e300d5c4
commit 6911ead027
1 changed files with 11 additions and 9 deletions
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20
tmk_core/rules.mk
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@ -360,49 +360,51 @@ gccversion :
$(eval CMD=$(AR) $@ $(OBJ) )
@$(BUILD_CMD)
BEGIN = gccversion check_submodule sizebefore
# Link: create ELF output file from object files.
.SECONDARY : $(BUILD_DIR)/$(TARGET).elf
.PRECIOUS : $(OBJ)
%.elf: gccversion sizebefore check_submodule $(OBJ)
%.elf: $(OBJ) | $(BEGIN)
@$(SILENT) || printf "$(MSG_LINKING) $@" | $(AWK_CMD)
$(eval CMD=$(CC) $(ALL_CFLAGS) $(filter-out gccversion sizebefore check_submodule,$^) --output $@ $(LDFLAGS))
$(eval CMD=$(CC) $(ALL_CFLAGS) $^ --output $@ $(LDFLAGS))
@$(BUILD_CMD)
# Compile: create object files from C source files.
$(OBJDIR)/%.o : %.c
$(OBJDIR)/%.o : %.c | $(BEGIN)
@mkdir -p $(@D)
@$(SILENT) || printf "$(MSG_COMPILING) $<" | $(AWK_CMD)
$(eval CMD=$(CC) -c $(ALL_CFLAGS) $< -o $@)
@$(BUILD_CMD)
# Compile: create object files from C++ source files.
$(OBJDIR)/%.o : %.cpp
$(OBJDIR)/%.o : %.cpp | $(BEGIN)
@mkdir -p $(@D)
@$(SILENT) || printf "$(MSG_COMPILING_CPP) $<" | $(AWK_CMD)
$(eval CMD=$(CC) -c $(ALL_CPPFLAGS) $< -o $@)
@$(BUILD_CMD)
# Compile: create assembler files from C source files.
%.s : %.c
%.s : %.c | $(BEGIN)
@$(SILENT) || printf "$(MSG_ASSEMBLING) $<" | $(AWK_CMD)
$(eval CMD=$(CC) -S $(ALL_CFLAGS) $< -o $@)
@$(BUILD_CMD)
# Compile: create assembler files from C++ source files.
%.s : %.cpp
%.s : %.cpp | $(BEGIN)
@$(SILENT) || printf "$(MSG_ASSEMBLING) $<" | $(AWK_CMD)
$(eval CMD=$(CC) -S $(ALL_CPPFLAGS) $< -o $@)
@$(BUILD_CMD)
# Assemble: create object files from assembler source files.
$(OBJDIR)/%.o : %.S
$(OBJDIR)/%.o : %.S | $(BEGIN)
@mkdir -p $(@D)
@$(SILENT) || printf "$(MSG_ASSEMBLING) $<" | $(AWK_CMD)
$(eval CMD=$(CC) -c $(ALL_ASFLAGS) $< -o $@)
@$(BUILD_CMD)
# Create preprocessed source for use in sending a bug report.
%.i : %.c
%.i : %.c | $(BEGIN)
$(CC) -E -mmcu=$(MCU) $(CFLAGS) $< -o $@
# Target: clean project.
@ -492,7 +494,7 @@ $(shell mkdir $(OBJDIR) 2>/dev/null)
# Listing of phony targets.
.PHONY : all quick finish sizebefore sizeafter gccversion \
build elf hex eep lss sym coff extcoff \
build elf hex eep lss sym coff extcoff check_submodule \
clean clean_list debug gdb-config show_path \
program teensy dfu flip dfu-ee flip-ee dfu-start \
all-keyboards-defaults all-keyboards all-keymaps \