Squashed 'cmake/' content from commit 2d25566
git-subtree-dir: cmake git-subtree-split: 2d25566a1c5162ce3fd6bfc268d5665de182af89
This commit is contained in:
Ryan Pavlik
151
FindFlagpoll.cmake
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151
FindFlagpoll.cmake
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# - try to find Flagpoll application, and offer package-finding services
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# FLAGPOLL, the executable: if not defined, do not try to use Flagpoll.
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#
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# Useful configuration variables you might want to add to your cache:
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# FLAGPOLL_ROOT_DIR - A directory prefix to search for the app
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# (a path that contains bin/ as a subdirectory)
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#
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# VR Juggler requires this package, so this Find script takes that into
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# account when determining where to search for the desired files.
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# The VJ_BASE_DIR environment variable is searched (preferentially)
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# when searching for this package, so most sane VR Juggler build environments
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# should "just work." Note that you need to manually re-run CMake if you
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# change this environment variable, because it cannot auto-detect this change
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# and trigger an automatic re-run.
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#
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# You can use Flagpoll to provide directories to use as HINTS for find_*
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# These are the provided macros:
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# flagpoll_get_include_dirs
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# flagpoll_get_library_dirs
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# flagpoll_get_library_names
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# flagpoll_get_extra_libs
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# All take the name of the desired package, optionally NO_DEPS to pass --no-deps
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# to Flagpoll, and return yourpkgname_FLAGPOLL_INCLUDE_DIRS(etc. for the other
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# macros).
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#
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# Example usage:
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# flagpoll_get_include_dirs(vpr NO_DEPS)
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# find_path(VPR20_INCLUDE_DIRS vpr/vpr.h
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# HINTS ${vpr_FLAGPOLL_INCLUDE_DIRS})
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#
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# Original Author:
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# 2009-2010 Ryan Pavlik <rpavlik@iastate.edu> <abiryan@ryand.net>
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# http://academic.cleardefinition.com
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# Iowa State University HCI Graduate Program/VRAC
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#
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# Copyright Iowa State University 2009-2010
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# Distributed under the Boost Software License, Version 1.0.
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# (See accompanying file LICENSE_1_0.txt or copy at
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# http://www.boost.org/LICENSE_1_0.txt)
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###
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# Flagpoll detection
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###
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set(Flagpoll_FIND_QUIETLY true)
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find_program(FLAGPOLL
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NAMES
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flagpoll
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flagpoll.exe
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PATHS
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"${FLAGPOLL_ROOT_DIR}"
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"${VRJUGGLER22_ROOT_DIR}"
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PATH_SUFFIXES
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bin)
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# handle the QUIETLY and REQUIRED arguments and set xxx_FOUND to TRUE if
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# all listed variables are TRUE
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include(FindPackageHandleStandardArgs)
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find_package_handle_standard_args(Flagpoll DEFAULT_MSG FLAGPOLL)
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mark_as_advanced(FLAGPOLL)
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###
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# Macro for internal use - shared workings between all the public macros below.
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###
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macro(_flagpoll_get_results _package _arg _flag _output)
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if(FLAGPOLL)
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# If the CMakeLists that called the flagpoll macro passed NO_DEPS,
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# we won't return the results for dependencies
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if("${ARGN}" MATCHES "NO_DEPS")
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set(_FLAGPOLL_NODEP "--no-deps")
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else()
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set(_FLAGPOLL_NODEP "")
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endif()
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# Run flagpoll
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execute_process(COMMAND
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${FLAGPOLL}
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${_package}
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${_arg}
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${_FLAGPOLL_NODEP}
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OUTPUT_VARIABLE
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_FLAGPOLL_OUTPUT
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ERROR_QUIET
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OUTPUT_STRIP_TRAILING_WHITESPACE)
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if(_FLAGPOLL_OUTPUT)
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# Remove -I and /I(or equivalent for other flags
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string(REGEX
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REPLACE
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"[-/]${_flag}"
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""
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_FLAGPOLL_OUTPUT
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${_FLAGPOLL_OUTPUT})
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# Remove extra spaces
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string(REGEX REPLACE " +" " " _FLAGPOLL_OUTPUT ${_FLAGPOLL_OUTPUT})
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# Make a CMake list, standardize paths, and append only what we want to our final list
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separate_arguments(_FLAGPOLL_OUTPUT)
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foreach(_RESULT ${_FLAGPOLL_OUTPUT})
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string(REGEX MATCH "^-" _BAD ${_RESULT})
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if(_RESULT AND NOT _BAD)
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file(TO_CMAKE_PATH "${_RESULT}" _RESULT_CLEAN)
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list(APPEND ${_output} ${_RESULT_CLEAN})
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endif()
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endforeach()
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endif()
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endif()
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endmacro()
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###
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# "Public" macros - to use flagpoll to give you HINTS directories when finding things
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###
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macro(flagpoll_get_include_dirs _package)
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# Passing ARGN along so if they specified NO_DEPS we actually do it.
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_flagpoll_get_results(${_package}
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"--cflags-only-I"
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I
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${_package}_FLAGPOLL_INCLUDE_DIRS
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${ARGN})
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endmacro()
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macro(flagpoll_get_library_dirs _package)
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# Passing ARGN along so if they specified NO_DEPS we actually do it.
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_flagpoll_get_results(${_package}
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"--libs-only-L"
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L
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${_package}_FLAGPOLL_LIBRARY_DIRS
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${ARGN})
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endmacro()
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macro(flagpoll_get_library_names _package)
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# Passing ARGN along so if they specified NO_DEPS we actually do it.
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_flagpoll_get_results(${_package}
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"--libs-only-l"
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l
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${_package}_FLAGPOLL_LIBRARY_NAMES
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${ARGN})
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endmacro()
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macro(flagpoll_get_extra_libs _package)
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# Passing ARGN along so if they specified NO_DEPS we actually do it.
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_flagpoll_get_results(${_package}
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"--get-extra-libs"
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l
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${_package}_FLAGPOLL_EXTRA_LIBS
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${ARGN})
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endmacro()
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