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# Copyright (C) 2005, 2007, 2009 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

# .

# 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-vectorize[^\n]*disabled

} "  -g  " ""

check_for_options c "-Q -O3 --help=optimizers" {

-O

-ftree-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" "" "" ""