[PATCH 02/13] gen_compile_commands: extract compiler command from a series of commands
From: Masahiro Yamada <masahiroy@kernel.org>
Date: 2021-08-19 00:58:44
Also in:
lkml
Subsystem:
clang/llvm build support, kernel build + files below scripts/ (unless maintained elsewhere), the rest · Maintainers:
Nathan Chancellor, Nicolas Schier, Linus Torvalds
The current gen_compile_commands.py assumes that objects are always built by a single command. It makes sense to support cases where objects are built by a series of commands: cmd_<object> := <command1> ; <command2> One use-case is <command1> is a compiler command, and <command2> is an objtool command. It allows *.cmd files to contain an objtool command so that any change in it triggers object rebuilds. If ; appears after the C source file, take the first command. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> --- scripts/clang-tools/gen_compile_commands.py | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/scripts/clang-tools/gen_compile_commands.py b/scripts/clang-tools/gen_compile_commands.py
index b7e9ecf16e56..0033eedce003 100755
--- a/scripts/clang-tools/gen_compile_commands.py
+++ b/scripts/clang-tools/gen_compile_commands.py@@ -18,7 +18,7 @@ _DEFAULT_OUTPUT = 'compile_commands.json' _DEFAULT_LOG_LEVEL = 'WARNING' _FILENAME_PATTERN = r'^\..*\.cmd$' -_LINE_PATTERN = r'^cmd_[^ ]*\.o := (.* )([^ ]*\.c)$' +_LINE_PATTERN = r'^cmd_[^ ]*\.o := (.* )([^ ]*\.c) *(;|$)' _VALID_LOG_LEVELS = ['DEBUG', 'INFO', 'WARNING', 'ERROR', 'CRITICAL'] # The tools/ directory adopts a different build system, and produces .cmd # files in a different format. Do not support it.
--
2.30.2