software/common.mak

   1 TARGET_PREFIX=lm32-elf-
   2
   3 RM ?= rm -f
   4
   5 CC_normal := $(TARGET_PREFIX)gcc
   6 CX_normal := $(TARGET_PREFIX)g++
   7 AS_normal := $(TARGET_PREFIX)as
   8 AR_normal := $(TARGET_PREFIX)ar
   9 LD_normal := $(TARGET_PREFIX)ld
  10 OBJCOPY_normal := $(TARGET_PREFIX)objcopy
  11 RANLIB_normal := $(TARGET_PREFIX)ranlib
  12
  13 CC_quiet = @echo " CC " $@ && $(TARGET_PREFIX)gcc
  14 CX_quiet = @echo " CX " $@ && $(TARGET_PREFIX)g++
  15 AS_quiet = @echo " AS " $@ && $(TARGET_PREFIX)as
  16 AR_quiet = @echo " AR " $@ && $(TARGET_PREFIX)ar
  17 LD_quiet = @echo " LD " $@ && $(TARGET_PREFIX)ld
  18 OBJCOPY_quiet = @echo " OBJCOPY " $@ && $(TARGET_PREFIX)objcopy
  19 RANLIB_quiet = @echo " RANLIB  " $@ && $(TARGET_PREFIX)ranlib
  20
  21 MSC_GIT_ID := $(shell cd $(MSCDIR) && python3 -c "from misoclib.identifier.git import get_id; print(hex(get_id()), end='')")
  22
  23 ifeq ($(V),1)
  24         CC = $(CC_normal)
  25         CX = $(CX_normal)
  26         AS = $(AS_normal)
  27         AR = $(AR_normal)
  28         LD = $(LD_normal)
  29         OBJCOPY = $(OBJCOPY_normal)
  30         RANLIB = $(RANLIB_normal)
  31 else
  32         CC = $(CC_quiet)
  33         CX = $(CX_quiet)
  34         AS = $(AS_quiet)
  35         AR = $(AR_quiet)
  36         LD = $(LD_quiet)
  37         OBJCOPY = $(OBJCOPY_quiet)
  38         RANLIB = $(RANLIB_quiet)
  39 endif
  40
  41 # Toolchain options
  42 #
  43 INCLUDES = -I$(MSCDIR)/software/include/base -I$(MSCDIR)/software/include -I$(MSCDIR)/common
  44 COMMONFLAGS = -Os -mbarrel-shift-enabled -mmultiply-enabled -mdivide-enabled -msign-extend-enabled \
  45         -Wall -fno-builtin -nostdinc -DMSC_GIT_ID=$(MSC_GIT_ID) $(INCLUDES)
  46 CFLAGS = $(COMMONFLAGS) -Wstrict-prototypes -Wold-style-definition -Wmissing-prototypes
  47 CXXFLAGS = $(COMMONFLAGS) -fno-exceptions -ffreestanding
  48 LDFLAGS = -nostdlib -nodefaultlibs -L$(MSCDIR)/software/include
  49
  50 # compile and generate dependencies, based on
  51 # http://scottmcpeak.com/autodepend/autodepend.html
  52
  53 define compilexx-dep
  54 $(CX) -c $(CXXFLAGS) $(1) $< -o $*.o
  55 @$(CX_normal) -MM $(CXXFLAGS) $(1) $< > $*.d
  56 @mv -f $*.d $*.d.tmp
  57 @sed -e 's|.*:|$*.o:|' < $*.d.tmp > $*.d
  58 @sed -e 's/.*://' -e 's/\\$$//' < $*.d.tmp | fmt -1 | \
  59         sed -e 's/^ *//' -e 's/$$/:/' >> $*.d
  60 @rm -f $*.d.tmp
  61 endef
  62
  63 define compile-dep
  64 $(CC) -c $(CFLAGS) $(1) $< -o $*.o
  65 @$(CC_normal) -MM $(CFLAGS) $(1) $< > $*.d
  66 @mv -f $*.d $*.d.tmp
  67 @sed -e 's|.*:|$*.o:|' < $*.d.tmp > $*.d
  68 @sed -e 's/.*://' -e 's/\\$$//' < $*.d.tmp | fmt -1 | \
  69         sed -e 's/^ *//' -e 's/$$/:/' >> $*.d
  70 @rm -f $*.d.tmp
  71 endef
  72
  73 define assemble
  74 $(AS) -o $*.o $<
  75 endef