76 lines
2.2 KiB
Makefile
76 lines
2.2 KiB
Makefile
TARGET_PREFIX=lm32-elf-
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RM ?= rm -f
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CC_normal := $(TARGET_PREFIX)gcc
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CX_normal := $(TARGET_PREFIX)g++
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AS_normal := $(TARGET_PREFIX)as
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AR_normal := $(TARGET_PREFIX)ar
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LD_normal := $(TARGET_PREFIX)ld
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OBJCOPY_normal := $(TARGET_PREFIX)objcopy
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RANLIB_normal := $(TARGET_PREFIX)ranlib
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CC_quiet = @echo " CC " $@ && $(TARGET_PREFIX)gcc
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CX_quiet = @echo " CX " $@ && $(TARGET_PREFIX)g++
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AS_quiet = @echo " AS " $@ && $(TARGET_PREFIX)as
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AR_quiet = @echo " AR " $@ && $(TARGET_PREFIX)ar
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LD_quiet = @echo " LD " $@ && $(TARGET_PREFIX)ld
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OBJCOPY_quiet = @echo " OBJCOPY " $@ && $(TARGET_PREFIX)objcopy
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RANLIB_quiet = @echo " RANLIB " $@ && $(TARGET_PREFIX)ranlib
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GIT_ID:=$(shell echo -e "from misoclib.identifier.git import get_id\nprint(hex(get_id()), end='')" | python3)
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ifeq ($(V),1)
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CC = $(CC_normal)
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CX = $(CX_normal)
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AS = $(AS_normal)
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AR = $(AR_normal)
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LD = $(LD_normal)
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OBJCOPY = $(OBJCOPY_normal)
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RANLIB = $(RANLIB_normal)
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else
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CC = $(CC_quiet)
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CX = $(CX_quiet)
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AS = $(AS_quiet)
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AR = $(AR_quiet)
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LD = $(LD_quiet)
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OBJCOPY = $(OBJCOPY_quiet)
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RANLIB = $(RANLIB_quiet)
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endif
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# Toolchain options
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#
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INCLUDES = -I$(MSCDIR)/software/include/base -I$(MSCDIR)/software/include -I$(MSCDIR)/common
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COMMONFLAGS = -Os -mbarrel-shift-enabled -mmultiply-enabled -mdivide-enabled -msign-extend-enabled \
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-Wall -fno-builtin -nostdinc -DGIT_ID=$(GIT_ID) $(INCLUDES)
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CFLAGS = $(COMMONFLAGS) -Wstrict-prototypes -Wold-style-definition -Wmissing-prototypes
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CXXFLAGS = $(COMMONFLAGS) -fno-exceptions -ffreestanding
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LDFLAGS = -nostdlib -nodefaultlibs
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# compile and generate dependencies, based on
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# http://scottmcpeak.com/autodepend/autodepend.html
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define compilexx-dep
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$(CX) -c $(CXXFLAGS) $(1) $< -o $*.o
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@$(CX_normal) -MM $(CXXFLAGS) $(1) $< > $*.d
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@mv -f $*.d $*.d.tmp
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@sed -e 's|.*:|$*.o:|' < $*.d.tmp > $*.d
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@sed -e 's/.*://' -e 's/\\$$//' < $*.d.tmp | fmt -1 | \
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sed -e 's/^ *//' -e 's/$$/:/' >> $*.d
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@rm -f $*.d.tmp
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endef
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define compile-dep
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$(CC) -c $(CFLAGS) $(1) $< -o $*.o
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@$(CC_normal) -MM $(CFLAGS) $(1) $< > $*.d
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@mv -f $*.d $*.d.tmp
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@sed -e 's|.*:|$*.o:|' < $*.d.tmp > $*.d
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@sed -e 's/.*://' -e 's/\\$$//' < $*.d.tmp | fmt -1 | \
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sed -e 's/^ *//' -e 's/$$/:/' >> $*.d
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@rm -f $*.d.tmp
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endef
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define assemble
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$(AS) -o $*.o $<
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endef
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