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fixdep: do not parse *.rlib, *.rmeta, *.so

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fixdep is designed only for parsing text files. read_file() appends
a terminating null byte ('\0') and parse_config_file() calls strstr()
to search for CONFIG options.

rustc outputs *.rlib, *.rmeta, *.so to dep-info. fixdep needs them in
the dependency, but there is no point in parsing such binary files.

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Reviewed-by: Miguel Ojeda <ojeda@kernel.org>
Tested-by: Miguel Ojeda <ojeda@kernel.org>
This commit is contained in:
Masahiro Yamada 2023-01-07 18:18:20 +09:00
parent faa91c472b
commit 93c656de8d
1 changed files with 10 additions and 1 deletions
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11
scripts/basic/fixdep.c
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@ -250,6 +250,15 @@ static int is_ignored_file(const char *s, int len)
str_ends_with(s, len, "include/generated/autoksyms.h");
}
/* Do not parse these files */
static int is_no_parse_file(const char *s, int len)
{
/* rustc may list binary files in dep-info */
return str_ends_with(s, len, ".rlib") ||
str_ends_with(s, len, ".rmeta") ||
str_ends_with(s, len, ".so");
}
/*
* Important: The below generated source_foo.o and deps_foo.o variable
* assignments are parsed not only by make, but also by the rather simple
@ -382,7 +391,7 @@ static void parse_dep_file(char *p, const char *target)
need_parse = true;
}
if (need_parse) {
if (need_parse && !is_no_parse_file(p, q - p)) {
void *buf;
buf = read_file(p);