Masahiro Yamada <masahiroy@xxxxxxxxxx> 于2021年2月13日周六 下午8:46写道： > This is the steps I tested. > > > masahiro@oscar:~/ref/linux$ make O=build defconfig all -j24 > [ snip ] > masahiro@oscar:~/ref/linux$ > ./scripts/clang-tools/gen_compile_commands.py -d build > masahiro@oscar:~/ref/linux$ grep '"file":' compile_commands.json | > grep scripts/ | head -n5 > "file": "/home/masahiro/ref/linux/scripts/mod/empty.c" > "file": "/home/masahiro/ref/linux/scripts/mod/sumversion.c" > "file": "/home/masahiro/ref/linux/scripts/mod/file2alias.c" > "file": "/home/masahiro/ref/linux/scripts/mod/modpost.c" > "file": "/home/masahiro/ref/linux/build/scripts/kconfig/parser.tab.c" > > -- > Best Regards > Masahiro Yamada Thanks. Nathan had a detailed description about this: > $ make O=build > > will work with '-d .' because the .cmd files are in '.' and the source > files will be placed relative to '.', which is correct. Your command > does not work for two reasons: > > 1. You are using a build directory that is not a subpath of the source > directory. In other words, this script would not work for > > $ make O=/tmp/build > > because '-d /tmp/build' needs to be used to find the .cmd files but then > the relative path of the source files is messed up, as you point out. This may help you reproduce the problem. So you shoud try: >masahiro@oscar:~/ref/linux$ make O=/tmp/build defconfig all -j24 where the build directory is not a subpath of the source directory. -- Best Regards Stephen Zhang
