software/common.mak

   1 TARGET_PREFIX=lm32-elf
   2 CLANG=clang -target lm32
   3
   4 CC_normal := $(CLANG)
   5 AS_normal := $(TARGET_PREFIX)-as
   6 AR_normal := $(TARGET_PREFIX)-ar
   7 LD_normal := $(TARGET_PREFIX)-ld
   8 OBJCOPY_normal := $(TARGET_PREFIX)-objcopy
   9 RANLIB_normal := $(TARGET_PREFIX)-ranlib
  10
  11 CC_quiet = @echo " CC " $@ && $(CLANG)
  12 AS_quiet = @echo " AS " $@ && $(TARGET_PREFIX)-as
  13 AR_quiet = @echo " AR " $@ && $(TARGET_PREFIX)-ar
  14 LD_quiet = @echo " LD " $@ && $(TARGET_PREFIX)-ld
  15 OBJCOPY_quiet = @echo " OBJCOPY " $@ && $(TARGET_PREFIX)-objcopy
  16 RANLIB_quiet = @echo " RANLIB  " $@ && $(TARGET_PREFIX)-ranlib
  17
  18 ifeq ($(V),1)
  19         CC = $(CC_normal)
  20         AS = $(AS_normal)
  21         AR = $(AR_normal)
  22         LD = $(LD_normal)
  23         OBJCOPY = $(OBJCOPY_normal)
  24         RANLIB = $(RANLIB_normal)
  25 else
  26         CC = $(CC_quiet)
  27         AS = $(AS_quiet)
  28         AR = $(AR_quiet)
  29         LD = $(LD_quiet)
  30         OBJCOPY = $(OBJCOPY_quiet)
  31         RANLIB = $(RANLIB_quiet)
  32 endif
  33
  34 # Toolchain options
  35 #
  36 INCLUDES = -I$(M2DIR)/software/include/base -I$(M2DIR)/software/include -I$(M2DIR)/common
  37 CFLAGS = -O3 -Wall -Wstrict-prototypes -Wold-style-definition -Wshadow \
  38          -Wmissing-prototypes -nostdinc $(INCLUDES)
  39 LDFLAGS = -nostdlib -nodefaultlibs
  40
  41 # compile and generate dependencies, based on
  42 # http://scottmcpeak.com/autodepend/autodepend.html
  43
  44 define compile-dep
  45 $(CC) -c $(CFLAGS) $< -o $*.ts -S
  46 @$(CC_normal) -MM $(CFLAGS) $< > $*.d
  47 @mv -f $*.d $*.d.tmp
  48 @sed -e 's|.*:|$*.o:|' < $*.d.tmp > $*.d
  49 @sed -e 's/.*://' -e 's/\\$$//' < $*.d.tmp | fmt -1 | \
  50         sed -e 's/^ *//' -e 's/$$/:/' >> $*.d
  51 @rm -f $*.d.tmp
  52 @$(AS_normal) -o $*.o $*.ts
  53 endef
  54
  55 define assemble
  56 $(AS) -o $*.o $<
  57 endef