diff options
author | Thomas Weißschuh <linux@weissschuh.net> | 2024-08-07 23:51:49 +0200 |
---|---|---|
committer | Thomas Weißschuh <linux@weissschuh.net> | 2024-08-12 22:22:16 +0200 |
commit | 801cf69ca03040a75ed73be263aa6f0fdcb8af5d (patch) | |
tree | c67b1f29f1a50645431f965794ea95d6e9d05888 | |
parent | 27e458bbebdb0aa2aecce86d22c7f02b66e68ee1 (diff) |
selftests/nolibc: don't use libgcc when building with clang
The logic in clang to find the libgcc.a from a GCC toolchain for a
specific ABI does not work reliably and can lead to errors.
Instead disable libgcc when building with clang, as it's not needed
anyways.
Acked-by: Willy Tarreau <w@1wt.eu>
Reviewed-by: Shuah Khan <skhan@linuxfoundation.org>
Link: https://lore.kernel.org/r/20240807-nolibc-llvm-v2-13-c20f2f5fc7c2@weissschuh.net
Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
-rw-r--r-- | tools/testing/selftests/nolibc/Makefile | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/tools/testing/selftests/nolibc/Makefile b/tools/testing/selftests/nolibc/Makefile index b8577086e008..f0ce8264baac 100644 --- a/tools/testing/selftests/nolibc/Makefile +++ b/tools/testing/selftests/nolibc/Makefile @@ -157,6 +157,13 @@ CFLAGS ?= -Os -fno-ident -fno-asynchronous-unwind-tables -std=c89 -W -Wall -Wex $(CFLAGS_$(XARCH)) $(CFLAGS_STACKPROTECTOR) $(CFLAGS_EXTRA) LDFLAGS := +LIBGCC := -lgcc + +ifneq ($(LLVM),) +# Not needed for clang +LIBGCC := +endif + # Modify CFLAGS based on LLVM= include $(srctree)/tools/scripts/Makefile.include @@ -209,11 +216,11 @@ sysroot/$(ARCH)/include: ifneq ($(NOLIBC_SYSROOT),0) nolibc-test: nolibc-test.c nolibc-test-linkage.c sysroot/$(ARCH)/include $(QUIET_CC)$(CC) $(CFLAGS) $(LDFLAGS) -o $@ \ - -nostdlib -nostdinc -static -Isysroot/$(ARCH)/include nolibc-test.c nolibc-test-linkage.c -lgcc + -nostdlib -nostdinc -static -Isysroot/$(ARCH)/include nolibc-test.c nolibc-test-linkage.c $(LIBGCC) else nolibc-test: nolibc-test.c nolibc-test-linkage.c $(QUIET_CC)$(CC) $(CFLAGS) $(LDFLAGS) -o $@ \ - -nostdlib -static -include $(srctree)/tools/include/nolibc/nolibc.h nolibc-test.c nolibc-test-linkage.c -lgcc + -nostdlib -static -include $(srctree)/tools/include/nolibc/nolibc.h nolibc-test.c nolibc-test-linkage.c $(LIBGCC) endif libc-test: nolibc-test.c nolibc-test-linkage.c |