diff options
Diffstat (limited to 'toolchain')
| -rw-r--r-- | toolchain/toolchain-wrapper.c | 23 |
1 files changed, 17 insertions, 6 deletions
diff --git a/toolchain/toolchain-wrapper.c b/toolchain/toolchain-wrapper.c index 8bc000782..100aa181c 100644 --- a/toolchain/toolchain-wrapper.c +++ b/toolchain/toolchain-wrapper.c @@ -98,6 +98,20 @@ struct str_len_s { */ #define STR_LEN(s) { #s, sizeof(#s)-1 } +/* List of paths considered unsafe for cross-compilation. + * + * An unsafe path is one that points to a directory with libraries or + * headers for the build machine, which are not suitable for the target. + */ +static const struct str_len_s unsafe_paths[] = { + STR_LEN(/lib), + STR_LEN(/usr/include), + STR_LEN(/usr/lib), + STR_LEN(/usr/local/include), + STR_LEN(/usr/local/lib), + { NULL, 0 }, +}; + /* Unsafe options are options that specify a potentialy unsafe path, * that will be checked by check_unsafe_path(), below. */ @@ -126,13 +140,10 @@ static void check_unsafe_path(const char *arg, int paranoid, int arg_has_path) { - char **c; - static char *unsafe_paths[] = { - "/lib", "/usr/include", "/usr/lib", "/usr/local/include", "/usr/local/lib", NULL, - }; + const struct str_len_s *p; - for (c = unsafe_paths; *c != NULL; c++) { - if (strncmp(path, *c, strlen(*c))) + for (p=unsafe_paths; p->str; p++) { + if (strncmp(path, p->str, p->len)) continue; fprintf(stderr, "%s: %s: unsafe header/library path used in cross-compilation: '%s%s%s'\n", |