blob: 9b0d8baf2934ed30acb88df525275aa2da64f275 [file] [log] [blame]
Andy Lutomirskie9886ac2015-05-11 15:11:36 -07001all:
2
3include ../lib.mk
4
5.PHONY: all all_32 all_64 warn_32bit_failure clean
Andy Lutomirski3f705df2015-04-06 23:11:06 -07006
Andy Lutomirski0a155842015-04-15 16:10:07 -07007TARGETS_C_BOTHBITS := sigreturn single_step_syscall
Andy Lutomirskic2affbf2015-05-29 14:58:24 -07008TARGETS_C_32BIT_ONLY := entry_from_vm86
Andy Lutomirski3f705df2015-04-06 23:11:06 -07009
Andy Lutomirskic2affbf2015-05-29 14:58:24 -070010TARGETS_C_32BIT_ALL := $(TARGETS_C_BOTHBITS) $(TARGETS_C_32BIT_ONLY)
11BINARIES_32 := $(TARGETS_C_32BIT_ALL:%=%_32)
Andy Lutomirski3f705df2015-04-06 23:11:06 -070012BINARIES_64 := $(TARGETS_C_BOTHBITS:%=%_64)
13
14CFLAGS := -O2 -g -std=gnu99 -pthread -Wall
15
Tyler Bakerf9ea4a32015-04-21 15:51:33 -070016UNAME_M := $(shell uname -m)
Andy Lutomirskie9886ac2015-05-11 15:11:36 -070017CAN_BUILD_I386 := $(shell ./check_cc.sh $(CC) trivial_32bit_program.c -m32)
18CAN_BUILD_X86_64 := $(shell ./check_cc.sh $(CC) trivial_64bit_program.c)
Andy Lutomirski3f705df2015-04-06 23:11:06 -070019
Andy Lutomirskie9886ac2015-05-11 15:11:36 -070020ifeq ($(CAN_BUILD_I386),1)
Andy Lutomirski3f705df2015-04-06 23:11:06 -070021all: all_32
Andy Lutomirskic1e6e5c2015-05-11 15:11:35 -070022TEST_PROGS += $(BINARIES_32)
Andy Lutomirskie9886ac2015-05-11 15:11:36 -070023endif
24
25ifeq ($(CAN_BUILD_X86_64),1)
Andy Lutomirski3f705df2015-04-06 23:11:06 -070026all: all_64
Tyler Baker07620ab2015-04-21 15:51:58 -070027TEST_PROGS += $(BINARIES_64)
Andy Lutomirski3f705df2015-04-06 23:11:06 -070028endif
Andy Lutomirski3f705df2015-04-06 23:11:06 -070029
Andy Lutomirskie9886ac2015-05-11 15:11:36 -070030all_32: $(BINARIES_32)
Andy Lutomirski3f705df2015-04-06 23:11:06 -070031
32all_64: $(BINARIES_64)
33
Andy Lutomirski3f705df2015-04-06 23:11:06 -070034clean:
35 $(RM) $(BINARIES_32) $(BINARIES_64)
36
Andy Lutomirskic2affbf2015-05-29 14:58:24 -070037$(TARGETS_C_32BIT_ALL:%=%_32): %_32: %.c
Andy Lutomirski3f705df2015-04-06 23:11:06 -070038 $(CC) -m32 -o $@ $(CFLAGS) $(EXTRA_CFLAGS) $^ -lrt -ldl
39
40$(TARGETS_C_BOTHBITS:%=%_64): %_64: %.c
41 $(CC) -m64 -o $@ $(CFLAGS) $(EXTRA_CFLAGS) $^ -lrt -ldl
42
Andy Lutomirskie9886ac2015-05-11 15:11:36 -070043# x86_64 users should be encouraged to install 32-bit libraries
44ifeq ($(CAN_BUILD_I386)$(CAN_BUILD_X86_64),01)
45all: warn_32bit_failure
46
47warn_32bit_failure:
48 @echo "Warning: you seem to have a broken 32-bit build" 2>&1; \
49 echo "environment. This will reduce test coverage of 64-bit" 2>&1; \
50 echo "kernels. If you are using a Debian-like distribution," 2>&1; \
51 echo "try:"; 2>&1; \
52 echo ""; \
53 echo " apt-get install gcc-multilib libc6-i386 libc6-dev-i386"; \
54 echo ""; \
55 echo "If you are using a Fedora-like distribution, try:"; \
56 echo ""; \
57 echo " yum install glibc-devel.*i686"; \
58 exit 0;
59endif