litex/soc/software/common.mak

   1 TARGET_PREFIX=$(TRIPLE)-
   2
   3 RM ?= rm -f
   4 PYTHON ?= python3
   5
   6 ifeq ($(CLANG),1)
   7 CC_normal      := clang -target $(TRIPLE) -integrated-as
   8 CX_normal      := clang++ -target $(TRIPLE) -integrated-as
   9 else
  10 CC_normal      := $(TARGET_PREFIX)gcc
  11 CX_normal      := $(TARGET_PREFIX)g++
  12 endif
  13 AR_normal      := $(TARGET_PREFIX)ar
  14 LD_normal      := $(TARGET_PREFIX)ld
  15 OBJCOPY_normal := $(TARGET_PREFIX)objcopy
  16
  17 CC_quiet      = @echo " CC      " $@ && $(CC_normal)
  18 CX_quiet      = @echo " CX      " $@ && $(CX_normal)
  19 AR_quiet      = @echo " AR      " $@ && $(AR_normal)
  20 LD_quiet      = @echo " LD      " $@ && $(LD_normal)
  21 OBJCOPY_quiet = @echo " OBJCOPY " $@ && $(OBJCOPY_normal)
  22
  23 ifeq ($(V),1)
  24         CC = $(CC_normal)
  25         CX = $(CX_normal)
  26         AR = $(AR_normal)
  27         LD = $(LD_normal)
  28         OBJCOPY = $(OBJCOPY_normal)
  29 else
  30         CC = $(CC_quiet)
  31         CX = $(CX_quiet)
  32         AR = $(AR_quiet)
  33         LD = $(LD_quiet)
  34         OBJCOPY = $(OBJCOPY_quiet)
  35 endif
  36
  37 # Toolchain options
  38 #
  39 INCLUDES = -I$(SOC_DIRECTORY)/software/include/base -I$(SOC_DIRECTORY)/software/include -I$(SOC_DIRECTORY)/common -I$(BUILDINC_DIRECTORY)
  40 COMMONFLAGS = -Os $(CPUFLAGS) -fomit-frame-pointer -Wall -fno-builtin -nostdinc $(INCLUDES)
  41 CFLAGS = $(COMMONFLAGS) -fexceptions -Wstrict-prototypes -Wold-style-definition -Wmissing-prototypes
  42 CXXFLAGS = $(COMMONFLAGS) -std=c++11 -I$(SOC_DIRECTORY)/software/include/basec++ -fexceptions -fno-rtti -ffreestanding
  43 LDFLAGS = -nostdlib -nodefaultlibs -L$(BUILDINC_DIRECTORY)
  44
  45 # compile and generate dependencies, based on
  46 # http://scottmcpeak.com/autodepend/autodepend.html
  47
  48 define compilexx
  49 $(CX) -c $(CXXFLAGS) $(1) $< -o $@
  50 endef
  51
  52 define compile
  53 $(CC) -c $(CFLAGS) $(1) $< -o $@
  54 endef
  55
  56 define assemble
  57 $(CC) -c $(CFLAGS) -o $@ $<
  58 endef