One can only use `make all` or `make <test_name>_<bitness>` as make targets. `make <test_name>` doesn't work as Ingo noticed: x86> make test_vsyscall gcc -O2 -g -std=gnu99 -pthread -Wall -no-pie test_vsyscall.c -o test_vsyscall /tmp/aBaoo3nb.o: In function `init_vdso': test_vsyscall.c:68: undefined reference to `dlopen' test_vsyscall.c:76: undefined reference to `dlsym' test_vsyscall.c:80: undefined reference to `dlsym' test_vsyscall.c:84: undefined reference to `dlsym' test_vsyscall.c:88: undefined reference to `dlsym' test_vsyscall.c:70: undefined reference to `dlopen' collect2: error: ld returned 1 exit status <builtin>: recipe for target 'test_vsyscall' failed make: *** [test_vsyscall] Error 1 Makefile target substitution neither works :-/ Generate .PHONY targets per-test and fix target substitution. Cc: Andy Lutomirski <luto@xxxxxxxxxx> Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> Cc: Shuah Khan <shuah@xxxxxxxxxx> Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx> Cc: linux-kselftest@xxxxxxxxxxxxxxx Cc: x86@xxxxxxxxxx Reported-by: Ingo Molnar <mingo@xxxxxxxxxx> Signed-off-by: Dmitry Safonov <dima@xxxxxxxxxx> --- tools/testing/selftests/x86/Makefile | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/tools/testing/selftests/x86/Makefile b/tools/testing/selftests/x86/Makefile index 5d4f10ac2af2..5958654e00c6 100644 --- a/tools/testing/selftests/x86/Makefile +++ b/tools/testing/selftests/x86/Makefile @@ -27,14 +27,28 @@ UNAME_M := $(shell uname -m) CAN_BUILD_I386 := $(shell ./check_cc.sh $(CC) trivial_32bit_program.c -m32) CAN_BUILD_X86_64 := $(shell ./check_cc.sh $(CC) trivial_64bit_program.c) +define gen-target-rule-32 +$(1): $(OUTPUT)/$(1)_32 +$(1)_32: $(OUTPUT)/$(1)_32 +.PHONY: $(1) $(1)_32 +endef + +define gen-target-rule-64 +$(1): $(OUTPUT)/$(1)_64 +$(1)_64: $(OUTPUT)/$(1)_64 +.PHONY: $(1) $(1)_64 +endef + ifeq ($(CAN_BUILD_I386),1) all: all_32 TEST_PROGS += $(BINARIES_32) +$(foreach t,$(TARGETS_C_32BIT_ALL),$(eval $(call gen-target-rule-32,$(t)))) endif ifeq ($(CAN_BUILD_X86_64),1) all: all_64 TEST_PROGS += $(BINARIES_64) +$(foreach t,$(TARGETS_C_64BIT_ALL),$(eval $(call gen-target-rule-64,$(t)))) endif all_32: $(BINARIES_32) -- 2.13.6 -- To unsubscribe from this list: send the line "unsubscribe linux-kselftest" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
