57 lines
1.6 KiB
Makefile
57 lines
1.6 KiB
Makefile
TARGET_PREFIX=lm32-elf-
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CC_normal := $(TARGET_PREFIX)gcc
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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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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 " $@ && $(TARGET_PREFIX)ranlib
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ifeq ($(V),1)
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CC = $(CC_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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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 = $(RANLIB_quiet)
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endif
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# Toolchain options
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#
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INCLUDES = -I$(M2DIR)/software/include/base -I$(M2DIR)/software/include -I$(M2DIR)/common
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CFLAGS = -O3 -mbarrel-shift-enabled -mmultiply-enabled -mdivide-enabled -msign-extend-enabled \
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-Wall -Wstrict-prototypes -Wold-style-definition -Wshadow \
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-Wmissing-prototypes -fno-builtin -nostdinc $(INCLUDES)
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LDFLAGS = -nostdlib -nodefaultlibs
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# compile and generate dependencies, based on
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# http://scottmcpeak.com/autodepend/autodepend.html
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define compile-dep
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$(CC) -c $(CFLAGS) $< -o $*.o
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@$(CC_normal) -MM $(CFLAGS) $< > $*.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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