67 lines
2.0 KiB
CMake
67 lines
2.0 KiB
CMake
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# - Try to find PEGTL lib
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#
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# This module supports requiring a minimum version, e.g. you can do
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# find_package(PEGTL 3.1.2)
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# to require version 3.1.2 or newer of PEGTL.
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#
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# Once done this will define
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#
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# PEGTL_FOUND - system has eigen lib with correct version
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# PEGTL_INCLUDE_DIR - the eigen include directory
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# PEGTL_VERSION - eigen version
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# Copyright (c) 2006, 2007 Montel Laurent, <montel@kde.org>
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# Copyright (c) 2008, 2009 Gael Guennebaud, <g.gael@free.fr>
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# Copyright (c) 2009 Benoit Jacob <jacob.benoit.1@gmail.com>
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# Redistribution and use is allowed according to the terms of the 2-clause BSD license.
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if(NOT PEGTL_FIND_VERSION)
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if(NOT PEGTL_FIND_VERSION_MAJOR)
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set(PEGTL_FIND_VERSION_MAJOR 2)
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endif()
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if(NOT PEGTL_FIND_VERSION_MINOR)
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set(PEGTL_FIND_VERSION_MINOR 4)
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endif()
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if(NOT PEGTL_FIND_VERSION_PATCH)
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set(PEGTL_FIND_VERSION_PATCH 0)
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endif()
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set(PEGTL_FIND_VERSION "${PEGTL_FIND_VERSION_MAJOR}.${PEGTL_FIND_VERSION_MINOR}.${PEGTL_FIND_VERSION_PATCH}")
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endif()
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macro(_pegtl_check_version)
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file(READ "${PEGTL_INCLUDE_DIR}/tao/pegtl/version.hpp" _pegtl_version_header)
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string(REGEX MATCH "define[ \t]+TAO_PEGTL_VERSION[ \t]+\"([0-9.]+)\"" _pegtl_version_match "${_pegtl_version_header}")
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set(PEGTL_VERSION ${CMAKE_MATCH_1})
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if(${PEGTL_VERSION} VERSION_LESS ${PEGTL_FIND_VERSION})
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set(PEGTL_VERSION_OK FALSE)
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else()
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set(PEGTL_VERSION_OK TRUE)
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endif()
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if(NOT PEGTL_VERSION_OK)
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message(STATUS "PEGTL version ${PEGTL_VERSION} found in ${PEGTL_INCLUDE_DIR}, "
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"but at least version ${PEGTL_FIND_VERSION} is required")
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endif()
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endmacro()
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if (PEGTL_INCLUDE_DIR)
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# in cache already
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_pegtl_check_version()
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set(PEGTL_FOUND ${PEGTL_VERSION_OK})
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else ()
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find_path(PEGTL_INCLUDE_DIR NAMES tao
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PATHS
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${CMAKE_INSTALL_PREFIX}/include
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)
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if(PEGTL_INCLUDE_DIR)
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_pegtl_check_version()
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endif()
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include(FindPackageHandleStandardArgs)
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find_package_handle_standard_args(PEGTL DEFAULT_MSG PEGTL_INCLUDE_DIR PEGTL_VERSION_OK)
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mark_as_advanced(PEGTL_INCLUDE_DIR)
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endif()
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