Makefile

   1 KFAMILY = 0
   2 KVERSION = 0
   3 KREVISION = 0
   4 KNAME = And we have a coacervate...
   5
   6 HOSTCC = gcc
   7 HOSTCFLAGS = -Wall -Wstrict-prototypes -O2 -fomit-frame-pointer
   8
   9 CROSS_COMPILE ?= arm-linux-
  10
  11 ARCH = arm7
  12
  13 AS = $(CROSS_COMPILE)as
  14 LD = $(CROSS_COMPILE)ld
  15 CC = $(CROSS_COMPILE)gcc
  16 AR = $(CROSS_COMPILE)ar
  17 NM = $(CROSS_COMPILE)nm
  18 STRIP = $(CROSS_COMPILE)strip
  19 OBJCOPY = $(CROSS_COMPILE)objcopy
  20 OBJDUMP = $(CROSS_COMPILE)objdump
  21 AWK = awk
  22 CFLAGS = -Wall -Os -mcpu=arm7tdmi
  23 INCLUDES = -Iinclude -Iinclude/libc
  24
  25 PYTHON = python
  26
  27 MAKEFLAGS += --no-print-directory
  28
  29 all-sources = $(shell git-ls-files)
  30
  31 export ARCH AS LD CC AR NM STRIP OBJCOPY OBJDUMP AWK CFLAGS PYTHON INCLUDES
  32
  33 tinyx.dirs = lib/ arch/ kernel/
  34
  35 tinyx.objs = $(patsubst %/, %/tyx_part.o, $(tinyx.dirs))
  36
  37 $(shell rm -f $(tinyx.objs) include/asm)
  38 $(shell ln -s asm-$(ARCH) include/asm)
  39
  40 _all:
  41
  42 all:
  43         @$(MAKE) _dep
  44         @$(MAKE) _all
  45
  46 _dep:
  47         @touch build/tinyx.deps
  48
  49 _all: tinyx.hex
  50
  51 tinyx.hex: tinyx.elf
  52         $(OBJCOPY) -O ihex build/$< build/$@
  53
  54 tinyx.elf: $(tinyx.objs)
  55         $(LD) -EL -T arch/$(ARCH)/kernel/kernel.ld -o build/$@ $(tinyx.objs)
  56
  57 $(tinyx.objs):
  58         @$(MAKE) target=$@ -f scripts/Makefile.build
  59
  60 define xtags
  61         ctags -a $(all-sources)
  62 endef
  63
  64 tags:
  65         $(call xtags, ctags)
  66
  67 .PHONY: clean
  68 clean:
  69         @cleandirs="$(shell $(PYTHON) scripts/expandtree.py $(tinyx.dirs))"; \
  70         cleanobjs=; \
  71         for dir in $$cleandirs; do \
  72           cleanobjs="$$cleanobjs $$dir*.o"; \
  73         done; \
  74         echo "rm -f $$cleanobjs include/asm build/tinyx.hex build/tinyx.elf build/tinyx.deps"; \
  75         rm -f $$cleanobjs include/asm build/tinyx.hex build/tinyx.elf build/tinyx.deps;
  76
  77