diff options
Diffstat (limited to 'gcc/cppinit.c')
| -rw-r--r-- | gcc/cppinit.c | 16 |
1 files changed, 6 insertions, 10 deletions
diff --git a/gcc/cppinit.c b/gcc/cppinit.c index 0ea8298..8d4e0a7 100644 --- a/gcc/cppinit.c +++ b/gcc/cppinit.c @@ -1574,10 +1574,16 @@ cpp_handle_option (pfile, argc, argv, ignore) CPP_OPTION (pfile, print_deps_missing_files) = 1; break; case OPT_M: + /* When doing dependencies with -M or -MM, suppress normal + preprocessed output, but still do -dM etc. as software + depends on this. Preprocessed output occurs if -MD, -MMD + or environment var dependency generation is used. */ CPP_OPTION (pfile, print_deps) = 2; + CPP_OPTION (pfile, no_output) = 1; break; case OPT_MM: CPP_OPTION (pfile, print_deps) = 1; + CPP_OPTION (pfile, no_output) = 1; break; case OPT_MF: CPP_OPTION (pfile, deps_file) = arg; @@ -1591,12 +1597,6 @@ cpp_handle_option (pfile, argc, argv, ignore) deps_add_target (pfile->deps, arg, opt_code == OPT_MQ); break; - /* -MD and -MMD for cpp0 are deprecated and undocumented - (use -M or -MM with -MF instead), and probably should be - removed with the next major GCC version. For the moment - we allow these for the benefit of Automake 1.4, which - uses these when dependency tracking is enabled. Automake - 1.5 will fix this. */ case OPT_MD: CPP_OPTION (pfile, print_deps) = 2; CPP_OPTION (pfile, deps_file) = arg; @@ -1890,10 +1890,6 @@ init_dependency_output (pfile) /* 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, suppress normal preprocessed output. - Still do -dM, -dI etc. as e.g. glibc depends on this. */ - CPP_OPTION (pfile, no_output) = 1; } /* Handle --help output. */ |