chiark - git - mdw - xchg-rax-rax/blob - Makefile

   1 ### -*-makefile-*-
   2
   3 V                        = 0
   4 vcond                    = $(call vcond_$V,$1,$2)
   5 vcond_0                  = $1
   6 vcond_1                  = $2
   7 V_AT                     = $(call vcond,@)
   8 vtag                     = \
   9         $(call vcond,@printf "  %-8s %s\n" "$1" "$(or $2,$@)";)
  10
  11 ARCH                     =
  12
  13 CFLAGS                   = -O2 -g -Wall -Werror
  14 ASFLAGS                  = $(CFLAGS)
  15 LDFLAGS                  =
  16
  17 ARCH                    += i386
  18 CC/i386                  = gcc -m32
  19
  20 ARCH                    += amd64
  21 CC/amd64                 = gcc -m64
  22
  23 ARCH                    += armhf
  24 CC/armhf                 = arm-linux-gnueabihf-gcc
  25
  26 ARCH                    += arm64
  27 CC/arm64                 = aarch64-linux-gnu-gcc
  28
  29 define defarch.body
  30 AS/$1                    = $$(CC/$1)
  31 LD/$1                    = $$(CC/$1)
  32 %-$1.o: %.c
  33         $$(call vtag,CC/$1)$$(CC/$1) -c -o $$@ $$(CFLAGS) $$(CFLAGS/$1) $$<
  34 %-$1.o: %.S
  35         $$(call vtag,AS/$1)$$(AS/$1) -c -o $$@ $$(ASFLAGS) $$(ASFLAGS/$1) $$<
  36 all: xchg-$1
  37 xchg-$1: xchg-$1.o main-$1.o
  38         $$(call vtag,LD/$1)$$(LD/$1) -o $$@ $$^
  39 endef
  40 defarch                  = $(eval $(call defarch.body,$1))
  41 $(foreach a,$(ARCH), $(call defarch,$a))
  42
  43 clean::; rm -f $(foreach a,$(ARCH), xchg-$a) *.o