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Makefile: support V=1

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Often it can be useful to see the actual commands being run by make.
Other projects (eg, the Linux kernel) support this with a "V=1" make
parameter.  Do the same here.

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
This commit is contained in:
Ian Jackson 2012-08-01 21:31:38 +01:00
parent 71404eef29
commit 0c35facc94
1 changed files with 28 additions and 20 deletions
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48
Marlin/Makefile
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@ -170,6 +170,14 @@ ALL_CFLAGS = -mmcu=$(MCU) -I. $(CFLAGS)
ALL_CXXFLAGS = -mmcu=$(MCU) $(CXXFLAGS)
ALL_ASFLAGS = -mmcu=$(MCU) -x assembler-with-cpp $(ASFLAGS)
# set V=1 (eg, "make V=1") to print the full commands etc.
ifneq ($V,1)
Pecho=@echo
P=@
else
Pecho=@:
P=
endif
# Default target.
all: sizeafter
@ -178,7 +186,7 @@ build: applet elf hex
# Creates the object directory
applet:
@mkdir -p applet
$P mkdir -p applet
# the .cpp for Marlin depends on the .pde
#applet/$(TARGET).cpp: $(TARGET).pde
@ -189,10 +197,10 @@ applet/%.cpp: %.pde $(MAKEFILE)
# Here is the "preprocessing".
# It creates a .cpp file based with the same name as the .pde file.
# On top of the new .cpp file comes the WProgram.h header.
@echo " WR $@"
@echo '#include "WProgram.h"' > $@
@echo '#include "$<"' >>$@
@echo '#include "$(ARDUINO)/main.cpp"' >> $@
$(Pecho) " WR $@"
$P echo '#include "WProgram.h"' > $@
$P echo '#include "$<"' >>$@
$P echo '#include "$(ARDUINO)/main.cpp"' >> $@
elf: applet/$(TARGET).elf
hex: applet/$(TARGET).hex
@ -215,10 +223,10 @@ endif
HEXSIZE = $(SIZE) --target=$(FORMAT) applet/$(TARGET).hex
ELFSIZE = $(SIZE) applet/$(TARGET).elf
sizebefore:
@if [ -f applet/$(TARGET).elf ]; then echo; echo $(MSG_SIZE_BEFORE); $(HEXSIZE); echo; fi
$P if [ -f applet/$(TARGET).elf ]; then echo; echo $(MSG_SIZE_BEFORE); $(HEXSIZE); echo; fi
sizeafter: build
@if [ -f applet/$(TARGET).elf ]; then echo; echo $(MSG_SIZE_AFTER); $(ELFSIZE); echo; fi
$P if [ -f applet/$(TARGET).elf ]; then echo; echo $(MSG_SIZE_AFTER); $(ELFSIZE); echo; fi
# Convert ELF to COFF for use in debugging / simulating in AVR Studio or VMLAB.
@ -241,8 +249,8 @@ extcoff: $(TARGET).elf
.PRECIOUS: .o
.elf.hex:
@echo " COPY $@"
@$(OBJCOPY) -O $(FORMAT) -R .eeprom $< $@
$(Pecho) " COPY $@"
$P $(OBJCOPY) -O $(FORMAT) -R .eeprom $< $@
.elf.eep:
-$(OBJCOPY) -j .eeprom --set-section-flags=.eeprom="alloc,load" \
@ -258,29 +266,29 @@ extcoff: $(TARGET).elf
# Link: create ELF output file from library.
applet/$(TARGET).elf: applet/$(TARGET).cpp applet/core.a Configuration.h
@echo " CXX $@"
@$(CC) $(ALL_CXXFLAGS) -Wl,--gc-sections -o $@ applet/$(TARGET).cpp -L. applet/core.a $(LDFLAGS)
$(Pecho) " CXX $@"
$P $(CC) $(ALL_CXXFLAGS) -Wl,--gc-sections -o $@ applet/$(TARGET).cpp -L. applet/core.a $(LDFLAGS)
applet/core.a: $(OBJ)
@for i in $(OBJ); do echo " AR $$i"; $(AR) rcs applet/core.a $$i; done
$P for i in $(OBJ); do echo " AR $$i"; $(AR) rcs applet/core.a $$i; done
applet/%.o: %.c Configuration.h Configuration_adv.h $(MAKEFILE)
@echo " CC $@"
@$(CC) -MMD -c $(ALL_CFLAGS) $< -o $@
$(Pecho) " CC $@"
$P $(CC) -MMD -c $(ALL_CFLAGS) $< -o $@
applet/%.o: %.cpp Configuration.h Configuration_adv.h $(MAKEFILE)
@echo " CXX $@"
@$(CXX) -MMD -c $(ALL_CXXFLAGS) $< -o $@
$(Pecho) " CXX $@"
$P $(CXX) -MMD -c $(ALL_CXXFLAGS) $< -o $@
# Target: clean project.
clean:
@echo " RM applet/*"
@$(REMOVE) applet/$(TARGET).hex applet/$(TARGET).eep applet/$(TARGET).cof applet/$(TARGET).elf \
$(Pecho) " RM applet/*"
$P $(REMOVE) applet/$(TARGET).hex applet/$(TARGET).eep applet/$(TARGET).cof applet/$(TARGET).elf \
applet/$(TARGET).map applet/$(TARGET).sym applet/$(TARGET).lss applet/$(TARGET).cpp applet/core.a \
$(OBJ) $(LST) $(SRC:.c=.s) $(SRC:.c=.d) $(CXXSRC:.cpp=.s) $(CXXSRC:.cpp=.d)
@echo " RMDIR applet/"
@rm -rf applet
$(Pecho) " RMDIR applet/"
$P rm -rf applet
.PHONY: all build elf hex eep lss sym program coff extcoff clean depend applet_files sizebefore sizeafter