linux-kernel - [PATCH 1/2] kselftest/vm: Rename TARGETS to BUILD

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Date:   Mon, 24 May 2021 23:03:07 +1000
From:   Alistair Popple <apopple@...dia.com>
To:     <linux-kselftest@...r.kernel.org>
CC:     <linux-kernel@...r.kernel.org>, <linux-mm@...ck.org>,
        <shuah@...nel.org>, <akpm@...ux-foundation.org>,
        <jhubbard@...dia.com>, <sandipan@...ux.ibm.com>,
        <linuxram@...ibm.com>, <harish@...ux.ibm.com>,
        <dave.hansen@...el.com>, <rcampbell@...dia.com>,
        Alistair Popple <apopple@...dia.com>
Subject: [PATCH 1/2] kselftest/vm: Rename TARGETS to BUILD_TARGETS

The TARGETS variable can be used when building selftests to specify a
subset of selftests to build and run like so:

make -C tools/testing/selftests TARGETS=ptrace run_tests

However specifying TARGETS=vm results in the following build error as
the TARGETS variable is used internally in the Makefile:

make[1]: *** No rule to make target 'vm.c', needed by
'linux/kselftest/vm/vm_32'. Stop.

Fix this by renaming the vm Makefile TARGETS variable to BUILD_TARGETS.

Signed-off-by: Alistair Popple <apopple@...dia.com>
---
 tools/testing/selftests/vm/Makefile | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/tools/testing/selftests/vm/Makefile b/tools/testing/selftests/vm/Makefile
index 73e1cc96d7c2..110751ce8701 100644
--- a/tools/testing/selftests/vm/Makefile
+++ b/tools/testing/selftests/vm/Makefile
@@ -49,9 +49,9 @@ CAN_BUILD_I386 := $(shell ./../x86/check_cc.sh $(CC) ../x86/trivial_32bit_progra
 CAN_BUILD_X86_64 := $(shell ./../x86/check_cc.sh $(CC) ../x86/trivial_64bit_program.c)
 CAN_BUILD_WITH_NOPIE := $(shell ./../x86/check_cc.sh $(CC) ../x86/trivial_program.c -no-pie)
 
-TARGETS := protection_keys
-BINARIES_32 := $(TARGETS:%=%_32)
-BINARIES_64 := $(TARGETS:%=%_64)
+BUILD_TARGETS := protection_keys
+BINARIES_32 := $(BUILD_TARGETS:%=%_32)
+BINARIES_64 := $(BUILD_TARGETS:%=%_64)
 
 ifeq ($(CAN_BUILD_WITH_NOPIE),1)
 CFLAGS += -no-pie
@@ -104,7 +104,7 @@ $(BINARIES_32): CFLAGS += -m32
 $(BINARIES_32): LDLIBS += -lrt -ldl -lm
 $(BINARIES_32): $(OUTPUT)/%_32: %.c
 	$(CC) $(CFLAGS) $(EXTRA_CFLAGS) $(notdir $^) $(LDLIBS) -o $@
-$(foreach t,$(TARGETS),$(eval $(call gen-target-rule-32,$(t))))
+$(foreach t,$(BUILD_TARGETS),$(eval $(call gen-target-rule-32,$(t))))
 endif
 
 ifeq ($(CAN_BUILD_X86_64),1)
@@ -112,7 +112,7 @@ $(BINARIES_64): CFLAGS += -m64
 $(BINARIES_64): LDLIBS += -lrt -ldl
 $(BINARIES_64): $(OUTPUT)/%_64: %.c
 	$(CC) $(CFLAGS) $(EXTRA_CFLAGS) $(notdir $^) $(LDLIBS) -o $@
-$(foreach t,$(TARGETS),$(eval $(call gen-target-rule-64,$(t))))
+$(foreach t,$(BUILD_TARGETS),$(eval $(call gen-target-rule-64,$(t))))
 endif
 
 # x86_64 users should be encouraged to install 32-bit libraries
-- 
2.20.1