101 lines
3.9 KiB
CMake
101 lines
3.9 KiB
CMake
##############################################################################
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# @file FindBASH.cmake
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# @brief Find BASH interpreter.
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#
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# Sets the CMake variables @c BASH_FOUND, @c BASH_EXECUTABLE,
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# @c BASH_VERSION_STRING, @c BASH_VERSION_MAJOR, @c BASH_VERSION_MINOR, and
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# @c BASH_VERSION_PATCH.
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#
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# @ingroup CMakeFindModules
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##############################################################################
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#=============================================================================
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# Copyright 2011-2012 University of Pennsylvania
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# Copyright 2013-2016 Andreas Schuh <andreas.schuh.84@gmail.com>
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# Copyright 2013-2020 Andreas Atteneder <andreas.atteneder@gmail.com>
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# SPDX-License-Identifier: BSD-2-Clause
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#
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# Distributed under the OSI-approved BSD License (the "License");
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# All rights reserved.
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# * Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# * Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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# HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#
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# This software is distributed WITHOUT ANY WARRANTY; without even the
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# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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# See the License for more information.
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#=============================================================================
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# ----------------------------------------------------------------------------
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# find BASH executable
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# First, look if GIT bash is installed
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find_program (
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BASH_EXECUTABLE
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bash
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PATHS
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# Additional paths for Windows
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"C:\\Program Files\\Git\\bin"
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NO_SYSTEM_ENVIRONMENT_PATH
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)
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if(NOT BASH_EXECUTABLE)
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# Fallback search in default locations
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find_program (
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BASH_EXECUTABLE
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bash
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)
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endif()
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mark_as_advanced (BASH_EXECUTABLE)
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# ----------------------------------------------------------------------------
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# Get version of found BASH executable.
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if (BASH_EXECUTABLE)
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# Set LANG to en because match looks for English "version".
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set(ENV{LANG} "en_US.UTF-8")
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execute_process (COMMAND "${BASH_EXECUTABLE}" --version OUTPUT_VARIABLE _BASH_STDOUT ERROR_VARIABLE _BASH_STDERR)
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if (_BASH_STDOUT MATCHES "version ([0-9]+)\\.([0-9]+)\\.([0-9]+)")
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set (BASH_VERSION_MAJOR "${CMAKE_MATCH_1}")
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set (BASH_VERSION_MINOR "${CMAKE_MATCH_2}")
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set (BASH_VERSION_PATCH "${CMAKE_MATCH_3}")
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set (BASH_VERSION_STRING "${BASH_VERSION_MAJOR}.${BASH_VERSION_MINOR}.${BASH_VERSION_PATCH}")
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else ()
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message (WARNING "Failed to determine version of Bash interpreter (${BASH_EXECUTABLE})! Error:\n${_BASH_STDERR}")
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endif ()
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unset (_BASH_STDOUT)
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unset (_BASH_STDERR)
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endif ()
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# ----------------------------------------------------------------------------
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# Handle the QUIET and REQUIRED arguments and set *_FOUND to TRUE
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# if all listed variables are found or TRUE
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include (FindPackageHandleStandardArgs)
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find_package_handle_standard_args (
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Bash
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REQUIRED_VARS
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BASH_EXECUTABLE
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)
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