litex/software/common.mak

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Makefile
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TARGET_PREFIX=lm32-elf
CLANG=clang -ccc-host-triple $(TARGET_PREFIX)
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CC_normal := $(CLANG)
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AR_normal := $(TARGET_PREFIX)-ar
LD_normal := $(TARGET_PREFIX)-ld
OBJCOPY_normal := $(TARGET_PREFIX)-objcopy
RANLIB_normal := $(TARGET_PREFIX)-ranlib
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CC_quiet = @echo " CC " $@ && $(CLANG)
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AR_quiet = @echo " AR " $@ && $(TARGET_PREFIX)-ar
LD_quiet = @echo " LD " $@ && $(TARGET_PREFIX)-ld
OBJCOPY_quiet = @echo " OBJCOPY " $@ && $(TARGET_PREFIX)-objcopy
RANLIB_quiet = @echo " RANLIB " $@ && $(TARGET_PREFIX)-ranlib
ifeq ($(V),1)
CC = $(CC_normal)
AR = $(AR_normal)
LD = $(LD_normal)
OBJCOPY = $(OBJCOPY_normal)
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RANLIB = $(RANLIB_normal)
else
CC = $(CC_quiet)
AR = $(AR_quiet)
LD = $(LD_quiet)
OBJCOPY = $(OBJCOPY_quiet)
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RANLIB = $(RANLIB_quiet)
endif
# Toolchain options
#
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INCLUDES = -I$(M2DIR)/software/include/base -I$(M2DIR)/software/include -I$(M2DIR)/common
CFLAGS = -O9 -Wall -Wstrict-prototypes -Wold-style-definition -Wshadow \
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-Wmissing-prototypes -fsigned-char -nostdinc $(INCLUDES)
LDFLAGS = -nostdlib -nodefaultlibs
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# compile and generate dependencies, based on
# http://scottmcpeak.com/autodepend/autodepend.html
define compile-dep =
$(CC) -c $(CFLAGS) $< -o $*.o
@$(CC_normal) -MM $(CFLAGS) $< > $*.d
@mv -f $*.d $*.d.tmp
@sed -e 's|.*:|$*.o:|' < $*.d.tmp > $*.d
@sed -e 's/.*://' -e 's/\\$$//' < $*.d.tmp | fmt -1 | \
sed -e 's/^ *//' -e 's/$$/:/' >> $*.d
@rm -f $*.d.tmp
endef