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[/] [openrisc/] [trunk/] [gnu-stable/] [gcc-4.5.1/] [gcc/] [testsuite/] [gcc.misc-tests/] [help.exp] - Rev 826

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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
# <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-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" "" "" ""

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