| # Copyright (C) 2005-2013 Free Software Foundation, Inc. |
| |
| # This program is free software; you can redistribute it and/or modify |
| # it under the terms of the GNU General Public License as published by |
| # the Free Software Foundation; either version 3 of the License, or |
| # (at your option) any later version. |
| # |
| # This program is distributed in the hope that it will be useful, |
| # but WITHOUT ANY WARRANTY; without even the implied warranty of |
| # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| # GNU General Public License for more details. |
| # |
| # You should have received a copy of the GNU General Public License |
| # along with GCC; see the file COPYING3. If not see |
| # <http://www.gnu.org/licenses/>. |
| |
| # This file contains a set of test that check that gcc options are |
| # documented in --help, and that the various --help* options work. |
| |
| load_lib options.exp |
| |
| # Document --version. Ideally, there should be no undocumented switches |
| # in --help. |
| check_for_options c "--help" "--version" "This switch lacks documentation" "" |
| |
| # Output from different subprocesses should not be intermingled |
| # (we check for some patterns that could be seen with a missing |
| # fflush in gcc.c). |
| check_for_options c "-v --help" "" { |
| [^\n]The following options |
| -Wconversion[^\n]*lacks documentation |
| " -g " |
| } "" |
| |
| # There are still undocumented switches in -v --help. |
| check_for_options c "-v --help" "" "This switch lacks documentation" "xfail" |
| |
| # Check whether multiline conversion in optc-gen is broken. |
| check_for_options c "-v --help" "" {are likely to\n -std} "" |
| |
| # Try various --help= classes and qualifiers. |
| check_for_options c "--help=optimizers" "-O" " -g " "" |
| check_for_options c "--help=params" "maximum number of" "-Wunsafe-loop-optimizations" "" |
| check_for_options c "--help=C" "-ansi" "-gnatO" "" |
| check_for_options c {--help=C++} {-std=c\+\+} "-gnatO" "" |
| check_for_options c "--help=common" "-dumpbase" "-gnatO" "" |
| check_for_options c "--help=undocumented" "This switch lacks documentation" "" "" |
| |
| # Undocumented flags are not yet consistently marked as such. |
| check_for_options c "--help=^undocumented" "-Wall" "This switch lacks documentation" "xfail" |
| |
| # Try some --help=* examples from the manual. |
| check_for_options c "--help=target,undocumented" "" "" "" |
| check_for_options c "--help=target,optimizers" "" "" "" |
| check_for_options c "--help=warnings,^joined,^undocumented" "" "" "" |
| check_for_options c "-Q -O2 --help=optimizers" { |
| -O |
| -ftree-loop-vectorize[^\n]*enabled |
| } " -g " "" |
| check_for_options c "-Q -O3 --help=optimizers" { |
| -O |
| -ftree-loop-vectorize[^\n]*enabled |
| } " -g " "" |
| # Try repeated --help=. |
| check_for_options c "--help=params --help=optimizers" { |
| maximum number of |
| -O |
| } "" "" |
| |
| # Ensure PR 37805 is fixed. |
| check_for_options c "--help=joined" "Wformat=" "-fstrict-prototype" "" |
| check_for_options c "--help=separate" "-MF" "-fstrict-prototype" "" |
| check_for_options c "--help=warnings,joined" "Wformat=" "Wtrigraphs" "" |
| check_for_options c "--help=warnings,^joined" "Wtrigraphs" "Wformat=" "" |
| check_for_options c "--help=joined,separate" "-I" "" "" |
| check_for_options c "--help=^joined,separate" "--param " "" "" |
| check_for_options c "--help=joined,^separate" "--help=" "" "" |
| check_for_options c "--help=joined,undocumented" "" "" "" |
| # Listing only excludes gives empty results. |
| check_for_options c "--help=^joined,^separate" "" "" "" |