aboutsummaryrefslogtreecommitdiff
path: root/gcc/cppinit.c
diff options
context:
space:
mode:
Diffstat (limited to 'gcc/cppinit.c')
-rw-r--r--gcc/cppinit.c10
1 files changed, 4 insertions, 6 deletions
diff --git a/gcc/cppinit.c b/gcc/cppinit.c
index 3868167..7c7f782 100644
--- a/gcc/cppinit.c
+++ b/gcc/cppinit.c
@@ -1881,15 +1881,13 @@ init_dependency_output (pfile)
CPP_OPTION (pfile, print_deps_append) = 1;
}
else if (CPP_OPTION (pfile, deps_file) == 0)
- /* If -M or -MM was seen, default output to wherever was specified
- with -o. out_fname is non-NULL here. */
+ /* If -M or -MM was seen without -MF, default output to wherever
+ was specified with -o. out_fname is non-NULL here. */
CPP_OPTION (pfile, deps_file) = CPP_OPTION (pfile, out_fname);
- /* When doing dependencies, we should suppress all output, including
- -dM, -dI etc. */
+ /* When doing dependencies, suppress normal preprocessed output.
+ Still do -dM, -dI etc. as e.g. glibc depends on this. */
CPP_OPTION (pfile, no_output) = 1;
- CPP_OPTION (pfile, dump_macros) = 0;
- CPP_OPTION (pfile, dump_includes) = 0;
}
/* Handle --help output. */