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Subject[PATCH RFC 3/6] selftests: add default rules for c source file
Date
From: Bamvor Jian Zhang <bamvor.zhangjian@linaro.org>

There are difference rules for compiling c source file in different
testcases. In order to enable KBUILD_OUTPUT support in later patch,
this patch introduce the default rules in
"tools/testing/selftest/lib.mk" and remove the existing rules in each
testcase.

Signed-off-by: Bamvor Jian Zhang <bamvor.zhangjian@linaro.org>
---
tools/testing/selftests/exec/Makefile | 2 --
tools/testing/selftests/lib.mk | 3 +++
tools/testing/selftests/mount/Makefile | 3 ---
tools/testing/selftests/net/Makefile | 2 --
tools/testing/selftests/size/Makefile | 4 +---
tools/testing/selftests/vm/Makefile | 3 +--
6 files changed, 5 insertions(+), 12 deletions(-)

diff --git a/tools/testing/selftests/exec/Makefile b/tools/testing/selftests/exec/Makefile
index b3bf091..9eb1c3e 100644
--- a/tools/testing/selftests/exec/Makefile
+++ b/tools/testing/selftests/exec/Makefile
@@ -11,8 +11,6 @@ execveat.symlink: execveat
execveat.denatured: execveat
cp $< $@
chmod -x $@
-%: %.c
- $(CC) $(CFLAGS) -o $@ $^

TEST_GEN_PROGS := execveat
TEST_GEN_FILES := execveat.symlink execveat.denatured script subdir
diff --git a/tools/testing/selftests/lib.mk b/tools/testing/selftests/lib.mk
index 8c0440d..9ccec4b 100644
--- a/tools/testing/selftests/lib.mk
+++ b/tools/testing/selftests/lib.mk
@@ -45,4 +45,7 @@ all: $(TEST_GEN_PROGS) $(TEST_GEN_PROGS_EXTENDED) $(TEST_GEN_FILES)
clean:
$(RM) -fr $(TEST_GEN_PROGS) $(TEST_GEN_PROGS_EXTENDED) $(TEST_GEN_FILES)

+%: %.c
+ $(CC) $(CFLAGS) $(LDFLAGS) $(LDLIBS) -o $@ $^
+
.PHONY: run_tests all clean install emit_tests
diff --git a/tools/testing/selftests/mount/Makefile b/tools/testing/selftests/mount/Makefile
index e8fb15e..9093d7f 100644
--- a/tools/testing/selftests/mount/Makefile
+++ b/tools/testing/selftests/mount/Makefile
@@ -2,9 +2,6 @@
CFLAGS = -Wall \
-O2

-unprivileged-remount-test: unprivileged-remount-test.c
- $(CC) $(CFLAGS) unprivileged-remount-test.c -o unprivileged-remount-test
-
TEST_GEN_PROGS := unprivileged-remount-test

include ../lib.mk
diff --git a/tools/testing/selftests/net/Makefile b/tools/testing/selftests/net/Makefile
index c976425..d13620a 100644
--- a/tools/testing/selftests/net/Makefile
+++ b/tools/testing/selftests/net/Makefile
@@ -4,8 +4,6 @@ CFLAGS = -Wall -O2 -g

CFLAGS += -I../../../../usr/include/

-%: %.c
- $(CC) $(CFLAGS) -o $@ $^
TEST_PROGS := run_netsocktests run_afpackettests test_bpf.sh
TEST_GEN_FILES := socket psock_fanout psock_tpacket reuseport_bpf reuseport_bpf_cpu reuseport_dualstack

diff --git a/tools/testing/selftests/size/Makefile b/tools/testing/selftests/size/Makefile
index c67f357..4685b3e 100644
--- a/tools/testing/selftests/size/Makefile
+++ b/tools/testing/selftests/size/Makefile
@@ -1,6 +1,4 @@
-
-get_size: get_size.c
- $(CC) -static -ffreestanding -nostartfiles -s $< -o $@
+CFLAGS := -static -ffreestanding -nostartfiles -s

TEST_GEN_PROGS := get_size

diff --git a/tools/testing/selftests/vm/Makefile b/tools/testing/selftests/vm/Makefile
index 323383a..eb0aaff 100644
--- a/tools/testing/selftests/vm/Makefile
+++ b/tools/testing/selftests/vm/Makefile
@@ -1,6 +1,7 @@
# Makefile for vm selftests

CFLAGS = -Wall -I ../../../../usr/include $(EXTRA_CFLAGS)
+LDLIBS = -lrt
TEST_GEN_FILES = compaction_test
TEST_GEN_FILES += hugepage-mmap
TEST_GEN_FILES += hugepage-shm
@@ -12,8 +13,6 @@ TEST_GEN_FILES += transhuge-stress
TEST_GEN_FILES += userfaultfd
TEST_GEN_FILES += mlock-random-test

-%: %.c
- $(CC) $(CFLAGS) -o $@ $^ -lrt
userfaultfd: userfaultfd.c ../../../../usr/include/linux/kernel.h
$(CC) $(CFLAGS) -O2 -o $@ $< -lpthread

--
1.8.4.5
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