diff options
Diffstat (limited to 'gcc/c-family/c-opts.c')
| -rw-r--r-- | gcc/c-family/c-opts.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/gcc/c-family/c-opts.c b/gcc/c-family/c-opts.c index 0b13a18..9e7f0a3 100644 --- a/gcc/c-family/c-opts.c +++ b/gcc/c-family/c-opts.c @@ -1145,8 +1145,11 @@ c_common_finish (void) { FILE *deps_stream = NULL; - /* Don't write the deps file if there are errors. */ - if (cpp_opts->deps.style != DEPS_NONE && !seen_error ()) + /* Note that we write the dependencies even if there are errors. This is + useful for handling outdated generated headers that now trigger errors + (for example, with #error) which would be resolved by re-generating + them. In a sense, this complements -MG. */ + if (cpp_opts->deps.style != DEPS_NONE) { /* If -M or -MM was seen without -MF, default output to the output stream. */ |