diff options
| author | Josh Poimboeuf <jpoimboe@kernel.org> | 2025-11-12 15:32:33 -0800 |
|---|---|---|
| committer | Peter Zijlstra <peterz@infradead.org> | 2025-11-18 09:59:25 +0100 |
| commit | ee0b48fabadf9b073b24f761ac09da7293eee7b7 (patch) | |
| tree | ba61bc14faa935f69021cf82c2e2e81b27a878ea | |
| parent | 9c7dc1dd897a1cdcade9566ea4664b03fbabf4a4 (diff) | |
objtool: Set minimum xxhash version to 0.8
XXH3 is only supported starting with xxhash 0.8. Enforce that.
Fixes: 0d83da43b1e1 ("objtool/klp: Add --checksum option to generate per-function checksums")
Closes: https://lore.kernel.org/SN6PR02MB41579B83CD295C9FEE40EED6D4FCA@SN6PR02MB4157.namprd02.prod.outlook.com
Reported-by: Michael Kelley <mhklinux@outlook.com>
Signed-off-by: Josh Poimboeuf <jpoimboe@kernel.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Michael Kelley <mhklinux@outlook.com>
Tested-by: Michael Kelley <mhklinux@outlook.com>
Link: https://patch.msgid.link/7227c94692a3a51840278744c7af31b4797c6b96.1762990139.git.jpoimboe@kernel.org
| -rw-r--r-- | tools/objtool/Makefile | 2 | ||||
| -rw-r--r-- | tools/objtool/builtin-check.c | 2 |
2 files changed, 2 insertions, 2 deletions
diff --git a/tools/objtool/Makefile b/tools/objtool/Makefile index 48928c9bebef..021f55b7bd87 100644 --- a/tools/objtool/Makefile +++ b/tools/objtool/Makefile @@ -12,7 +12,7 @@ ifeq ($(SRCARCH),loongarch) endif ifeq ($(ARCH_HAS_KLP),y) - HAVE_XXHASH = $(shell echo "int main() {}" | \ + HAVE_XXHASH = $(shell printf "$(pound)include <xxhash.h>\nXXH3_state_t *state;int main() {}" | \ $(HOSTCC) -xc - -o /dev/null -lxxhash 2> /dev/null && echo y || echo n) ifeq ($(HAVE_XXHASH),y) BUILD_KLP := y diff --git a/tools/objtool/builtin-check.c b/tools/objtool/builtin-check.c index 1e1ea8396eb3..aab7fa9c7e00 100644 --- a/tools/objtool/builtin-check.c +++ b/tools/objtool/builtin-check.c @@ -164,7 +164,7 @@ static bool opts_valid(void) #ifndef BUILD_KLP if (opts.checksum) { - ERROR("--checksum not supported; install xxhash-devel/libxxhash-dev and recompile"); + ERROR("--checksum not supported; install xxhash-devel/libxxhash-dev (version >= 0.8) and recompile"); return false; } #endif |