linux-kernel - [PATCH v3 1/4] tools/nolibc: add libc-test binary

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Message-Id: <20230328-nolibc-printf-test-v3-1-ddc79f92efd5@weissschuh.net>
Date:   Sun, 02 Apr 2023 18:04:34 +0000
From:   Thomas Weißschuh <linux@...ssschuh.net>
To:     Willy Tarreau <w@....eu>, Shuah Khan <shuah@...nel.org>
Cc:     linux-kernel@...r.kernel.org, linux-kselftest@...r.kernel.org,
        Thomas Weißschuh <linux@...ssschuh.net>
Subject: [PATCH v3 1/4] tools/nolibc: add libc-test binary

This can be used to easily compare the behavior of nolibc to the system
libc.

Signed-off-by: Thomas Weißschuh <linux@...ssschuh.net>

---

Feel free to drop this if it does not fit in.
---
 tools/testing/selftests/nolibc/.gitignore | 1 +
 tools/testing/selftests/nolibc/Makefile   | 5 +++++
 2 files changed, 6 insertions(+)

diff --git a/tools/testing/selftests/nolibc/.gitignore b/tools/testing/selftests/nolibc/.gitignore
index 4696df589d68..52f613cdad54 100644
--- a/tools/testing/selftests/nolibc/.gitignore
+++ b/tools/testing/selftests/nolibc/.gitignore
@@ -1,4 +1,5 @@
 /initramfs/
+/libc-test
 /nolibc-test
 /run.out
 /sysroot/
diff --git a/tools/testing/selftests/nolibc/Makefile b/tools/testing/selftests/nolibc/Makefile
index bbce57420465..903990d22ac8 100644
--- a/tools/testing/selftests/nolibc/Makefile
+++ b/tools/testing/selftests/nolibc/Makefile
@@ -128,6 +128,9 @@ nolibc-test: nolibc-test.c sysroot/$(ARCH)/include
 	$(QUIET_CC)$(CC) $(CFLAGS) $(LDFLAGS) -o $@ \
 	  -nostdlib -static -Isysroot/$(ARCH)/include $< -lgcc
 
+libc-test: nolibc-test.c
+	$(QUIET_CC)$(CC) -o $@ $<
+
 # qemu user-land test
 run-user: nolibc-test
 	$(Q)qemu-$(QEMU_ARCH) ./nolibc-test > "$(CURDIR)/run.out" || :
@@ -159,6 +162,8 @@ clean:
 	$(Q)rm -rf sysroot
 	$(call QUIET_CLEAN, nolibc-test)
 	$(Q)rm -f nolibc-test
+	$(call QUIET_CLEAN, libc-test)
+	$(Q)rm -f libc-test
 	$(call QUIET_CLEAN, initramfs)
 	$(Q)rm -rf initramfs
 	$(call QUIET_CLEAN, run.out)

-- 
2.40.0