tools/testing/selftests/x86/Makefile

   1 all:
   2
   3 include ../lib.mk
   4
   5 .PHONY: all all_32 all_64 warn_32bit_failure clean
   6
   7 TARGETS_C_BOTHBITS := sigreturn single_step_syscall
   8
   9 BINARIES_32 := $(TARGETS_C_BOTHBITS:%=%_32)
  10 BINARIES_64 := $(TARGETS_C_BOTHBITS:%=%_64)
  11
  12 CFLAGS := -O2 -g -std=gnu99 -pthread -Wall
  13
  14 UNAME_M := $(shell uname -m)
  15 CAN_BUILD_I386 := $(shell ./check_cc.sh $(CC) trivial_32bit_program.c -m32)
  16 CAN_BUILD_X86_64 := $(shell ./check_cc.sh $(CC) trivial_64bit_program.c)
  17
  18 ifeq ($(CAN_BUILD_I386),1)
  19 all: all_32
  20 TEST_PROGS += $(BINARIES_32)
  21 endif
  22
  23 ifeq ($(CAN_BUILD_X86_64),1)
  24 all: all_64
  25 TEST_PROGS += $(BINARIES_64)
  26 endif
  27
  28 all_32: $(BINARIES_32)
  29
  30 all_64: $(BINARIES_64)
  31
  32 clean:
  33         $(RM) $(BINARIES_32) $(BINARIES_64)
  34
  35 $(TARGETS_C_BOTHBITS:%=%_32): %_32: %.c
  36         $(CC) -m32 -o $@ $(CFLAGS) $(EXTRA_CFLAGS) $^ -lrt -ldl
  37
  38 $(TARGETS_C_BOTHBITS:%=%_64): %_64: %.c
  39         $(CC) -m64 -o $@ $(CFLAGS) $(EXTRA_CFLAGS) $^ -lrt -ldl
  40
  41 # x86_64 users should be encouraged to install 32-bit libraries
  42 ifeq ($(CAN_BUILD_I386)$(CAN_BUILD_X86_64),01)
  43 all: warn_32bit_failure
  44
  45 warn_32bit_failure:
  46         @echo "Warning: you seem to have a broken 32-bit build" 2>&1;   \
  47         echo "environment.  This will reduce test coverage of 64-bit" 2>&1; \
  48         echo "kernels.  If you are using a Debian-like distribution," 2>&1; \
  49         echo "try:"; 2>&1; \
  50         echo "";                                                        \
  51         echo "  apt-get install gcc-multilib libc6-i386 libc6-dev-i386"; \
  52         echo "";                                                        \
  53         echo "If you are using a Fedora-like distribution, try:";       \
  54         echo "";                                                        \
  55         echo "  yum install glibc-devel.*i686";                         \
  56         exit 0;
  57 endif