litex/software/common.mak

58 lines
1.5 KiB
Makefile

TARGET_PREFIX=lm32-elf
CLANG=clang -target lm32
CC_normal := $(CLANG)
AS_normal := $(TARGET_PREFIX)-as
AR_normal := $(TARGET_PREFIX)-ar
LD_normal := $(TARGET_PREFIX)-ld
OBJCOPY_normal := $(TARGET_PREFIX)-objcopy
RANLIB_normal := $(TARGET_PREFIX)-ranlib
CC_quiet = @echo " CC " $@ && $(CLANG)
AS_quiet = @echo " AS " $@ && $(TARGET_PREFIX)-as
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)
AS = $(AS_normal)
AR = $(AR_normal)
LD = $(LD_normal)
OBJCOPY = $(OBJCOPY_normal)
RANLIB = $(RANLIB_normal)
else
CC = $(CC_quiet)
AS = $(AS_quiet)
AR = $(AR_quiet)
LD = $(LD_quiet)
OBJCOPY = $(OBJCOPY_quiet)
RANLIB = $(RANLIB_quiet)
endif
# Toolchain options
#
INCLUDES = -I$(M2DIR)/software/include/base -I$(M2DIR)/software/include -I$(M2DIR)/common
CFLAGS = -O3 -Wall -Wstrict-prototypes -Wold-style-definition -Wshadow \
-Wmissing-prototypes -nostdinc $(INCLUDES)
LDFLAGS = -nostdlib -nodefaultlibs
# compile and generate dependencies, based on
# http://scottmcpeak.com/autodepend/autodepend.html
define compile-dep
$(CC) -c $(CFLAGS) $< -o $*.ts -S
@$(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 $*.d.tmp
@$(AS_normal) -o $*.o $*.ts
endef
define assemble
$(AS) -o $*.o $<
endef