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345 lines
11 KiB
345 lines
11 KiB
# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
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# file Copyright.txt or https://cmake.org/licensing for details.
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#[=======================================================================[.rst:
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FindFLTK
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--------
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Find the Fast Light Toolkit (FLTK) library
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Input Variables
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^^^^^^^^^^^^^^^
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By default this module will search for all of the FLTK components and
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add them to the ``FLTK_LIBRARIES`` variable. You can limit the components
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which get placed in ``FLTK_LIBRARIES`` by defining one or more of the
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following three options:
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``FLTK_SKIP_OPENGL``
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Set to true to disable searching for the FLTK GL library
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``FLTK_SKIP_FORMS``
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Set to true to disable searching for the FLTK Forms library
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``FLTK_SKIP_IMAGES``
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Set to true to disable searching for the FLTK Images library
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FLTK is composed also by a binary tool. You can set the following option:
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``FLTK_SKIP_FLUID``
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Set to true to not look for the FLUID binary
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Result Variables
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^^^^^^^^^^^^^^^^
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The following variables will be defined:
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``FLTK_FOUND``
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True if all components not skipped were found
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``FLTK_INCLUDE_DIR``
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Path to the include directory for FLTK header files
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``FLTK_LIBRARIES``
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List of the FLTK libraries found
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``FLTK_FLUID_EXECUTABLE``
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Path to the FLUID binary tool
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``FLTK_WRAP_UI``
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True if FLUID is found, used to enable the FLTK_WRAP_UI command
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Cache Variables
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^^^^^^^^^^^^^^^
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The following cache variables are also available to set or use:
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``FLTK_BASE_LIBRARY_RELEASE``
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The FLTK base library (optimized)
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``FLTK_BASE_LIBRARY_DEBUG``
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The FLTK base library (debug)
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``FLTK_GL_LIBRARY_RELEASE``
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The FLTK GL library (optimized)
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``FLTK_GL_LIBRARY_DEBUG``
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The FLTK GL library (debug)
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``FLTK_FORMS_LIBRARY_RELEASE``
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The FLTK Forms library (optimized)
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``FLTK_FORMS_LIBRARY_DEBUG``
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The FLTK Forms library (debug)
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``FLTK_IMAGES_LIBRARY_RELEASE``
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The FLTK Images protobuf library (optimized)
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``FLTK_IMAGES_LIBRARY_DEBUG``
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The FLTK Images library (debug)
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.. versionadded:: 3.11
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Debug and Release variants are found separately and use per-configuration
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variables.
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#]=======================================================================]
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if(NOT FLTK_SKIP_OPENGL)
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find_package(OpenGL)
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endif()
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# Platform dependent libraries required by FLTK
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if(WIN32)
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if(NOT CYGWIN)
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if(BORLAND)
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set( FLTK_PLATFORM_DEPENDENT_LIBS import32 )
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else()
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set( FLTK_PLATFORM_DEPENDENT_LIBS wsock32 comctl32 )
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endif()
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endif()
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endif()
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if(UNIX)
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include(${CMAKE_CURRENT_LIST_DIR}/FindX11.cmake)
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find_library(FLTK_MATH_LIBRARY m)
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set( FLTK_PLATFORM_DEPENDENT_LIBS ${X11_LIBRARIES} ${FLTK_MATH_LIBRARY})
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endif()
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if(APPLE)
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set( FLTK_PLATFORM_DEPENDENT_LIBS "-framework Carbon -framework Cocoa -framework ApplicationServices -lz")
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endif()
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# If FLTK_INCLUDE_DIR is already defined we assign its value to FLTK_DIR.
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if(FLTK_INCLUDE_DIR)
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set(FLTK_DIR ${FLTK_INCLUDE_DIR})
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endif()
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# If FLTK has been built using CMake we try to find everything directly
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set(FLTK_DIR_STRING "directory containing FLTKConfig.cmake. This is either the root of the build tree, or PREFIX/lib/fltk for an installation.")
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# Search only if the location is not already known.
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if(NOT FLTK_DIR)
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# Get the system search path as a list.
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file(TO_CMAKE_PATH "$ENV{PATH}" FLTK_DIR_SEARCH2)
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# Construct a set of paths relative to the system search path.
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set(FLTK_DIR_SEARCH "")
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foreach(dir ${FLTK_DIR_SEARCH2})
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set(FLTK_DIR_SEARCH ${FLTK_DIR_SEARCH} "${dir}/../lib/fltk")
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endforeach()
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string(REPLACE "//" "/" FLTK_DIR_SEARCH "${FLTK_DIR_SEARCH}")
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#
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# Look for an installation or build tree.
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#
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find_path(FLTK_DIR FLTKConfig.cmake
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# Look for an environment variable FLTK_DIR.
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HINTS
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ENV FLTK_DIR
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# Look in places relative to the system executable search path.
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${FLTK_DIR_SEARCH}
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PATH_SUFFIXES
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fltk
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fltk/include
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lib/fltk
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lib/fltk/include
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# Help the user find it if we cannot.
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DOC "The ${FLTK_DIR_STRING}"
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)
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endif()
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# Check if FLTK was built using CMake
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foreach(fltk_include IN LISTS FLTK_DIR)
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if(EXISTS "${fltk_include}/FLTKConfig.cmake")
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set(FLTK_BUILT_WITH_CMAKE 1)
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set(FLTK_CMAKE_PATH "${fltk_include}/FLTKConfig.cmake")
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break()
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endif()
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endforeach()
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if(FLTK_BUILT_WITH_CMAKE)
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set(FLTK_FOUND 1)
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include("${FLTK_CMAKE_PATH}")
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# Fluid
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if(FLUID_COMMAND)
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set(FLTK_FLUID_EXECUTABLE ${FLUID_COMMAND} CACHE FILEPATH "Fluid executable")
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else()
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find_program(FLTK_FLUID_EXECUTABLE fluid PATHS
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${FLTK_EXECUTABLE_DIRS}
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${FLTK_EXECUTABLE_DIRS}/RelWithDebInfo
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${FLTK_EXECUTABLE_DIRS}/Debug
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${FLTK_EXECUTABLE_DIRS}/Release
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NO_SYSTEM_PATH)
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endif()
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# mark_as_advanced(FLTK_FLUID_EXECUTABLE)
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set(FLTK_INCLUDE_DIR ${FLTK_DIR})
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link_directories(${FLTK_LIBRARY_DIRS})
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set(FLTK_BASE_LIBRARY fltk)
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set(FLTK_GL_LIBRARY fltk_gl)
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set(FLTK_FORMS_LIBRARY fltk_forms)
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set(FLTK_IMAGES_LIBRARY fltk_images)
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# Add the extra libraries
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load_cache(${FLTK_DIR}
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READ_WITH_PREFIX
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FL FLTK_USE_SYSTEM_JPEG
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FL FLTK_USE_SYSTEM_PNG
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FL FLTK_USE_SYSTEM_ZLIB
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)
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set(FLTK_IMAGES_LIBS "")
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if(FLFLTK_USE_SYSTEM_JPEG)
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set(FLTK_IMAGES_LIBS ${FLTK_IMAGES_LIBS} fltk_jpeg)
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endif()
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if(FLFLTK_USE_SYSTEM_PNG)
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set(FLTK_IMAGES_LIBS ${FLTK_IMAGES_LIBS} fltk_png)
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endif()
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if(FLFLTK_USE_SYSTEM_ZLIB)
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set(FLTK_IMAGES_LIBS ${FLTK_IMAGES_LIBS} fltk_zlib)
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endif()
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set(FLTK_IMAGES_LIBS "${FLTK_IMAGES_LIBS}" CACHE INTERNAL
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"Extra libraries for fltk_images library.")
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else()
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# if FLTK was not built using CMake
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# Find fluid executable.
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find_program(FLTK_FLUID_EXECUTABLE fluid ${FLTK_INCLUDE_DIR}/fluid)
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# Use location of fluid to help find everything else.
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set(FLTK_INCLUDE_SEARCH_PATH "")
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set(FLTK_LIBRARY_SEARCH_PATH "")
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if(FLTK_FLUID_EXECUTABLE)
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get_filename_component(FLTK_BIN_DIR "${FLTK_FLUID_EXECUTABLE}" PATH)
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set(FLTK_INCLUDE_SEARCH_PATH ${FLTK_INCLUDE_SEARCH_PATH}
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${FLTK_BIN_DIR}/../include ${FLTK_BIN_DIR}/..)
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set(FLTK_LIBRARY_SEARCH_PATH ${FLTK_LIBRARY_SEARCH_PATH}
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${FLTK_BIN_DIR}/../lib)
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set(FLTK_WRAP_UI 1)
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endif()
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#
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# Try to find FLTK include dir using fltk-config
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#
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if(UNIX)
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# Use fltk-config to generate a list of possible include directories
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find_program(FLTK_CONFIG_SCRIPT fltk-config PATHS ${FLTK_BIN_DIR})
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if(FLTK_CONFIG_SCRIPT)
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if(NOT FLTK_INCLUDE_DIR)
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exec_program(${FLTK_CONFIG_SCRIPT} ARGS --cxxflags OUTPUT_VARIABLE FLTK_CXXFLAGS)
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if(FLTK_CXXFLAGS)
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string(REGEX MATCHALL "-I[^ ]*" _fltk_temp_dirs ${FLTK_CXXFLAGS})
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string(REPLACE "-I" "" _fltk_temp_dirs "${_fltk_temp_dirs}")
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foreach(_dir ${_fltk_temp_dirs})
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string(STRIP ${_dir} _output)
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list(APPEND _FLTK_POSSIBLE_INCLUDE_DIRS ${_output})
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endforeach()
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endif()
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endif()
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endif()
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endif()
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list(APPEND FLTK_INCLUDE_SEARCH_PATH ${_FLTK_POSSIBLE_INCLUDE_DIRS})
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find_path(FLTK_INCLUDE_DIR
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NAMES FL/Fl.h FL/Fl.H # fltk 1.1.9 has Fl.H (#8376)
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PATH_SUFFIXES fltk fltk/include
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PATHS ${FLTK_INCLUDE_SEARCH_PATH})
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#
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# Try to find FLTK library
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if(UNIX)
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if(FLTK_CONFIG_SCRIPT)
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exec_program(${FLTK_CONFIG_SCRIPT} ARGS --libs OUTPUT_VARIABLE _FLTK_POSSIBLE_LIBS)
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if(_FLTK_POSSIBLE_LIBS)
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get_filename_component(_FLTK_POSSIBLE_LIBRARY_DIR ${_FLTK_POSSIBLE_LIBS} PATH)
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endif()
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endif()
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endif()
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list(APPEND FLTK_LIBRARY_SEARCH_PATH ${FLTK_INCLUDE_DIR}/lib ${_FLTK_POSSIBLE_LIBRARY_DIR})
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include(${CMAKE_CURRENT_LIST_DIR}/SelectLibraryConfigurations.cmake)
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# Allow libraries to be set manually
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if(NOT FLTK_BASE_LIBRARY)
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find_library(FLTK_BASE_LIBRARY_RELEASE NAMES fltk PATHS ${FLTK_LIBRARY_SEARCH_PATH} PATH_SUFFIXES fltk fltk/lib)
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find_library(FLTK_BASE_LIBRARY_DEBUG NAMES fltkd PATHS ${FLTK_LIBRARY_SEARCH_PATH} PATH_SUFFIXES fltk fltk/lib)
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select_library_configurations(FLTK_BASE)
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endif()
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if(NOT FLTK_GL_LIBRARY)
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find_library(FLTK_GL_LIBRARY_RELEASE NAMES fltkgl fltk_gl PATHS ${FLTK_LIBRARY_SEARCH_PATH} PATH_SUFFIXES fltk fltk/lib)
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find_library(FLTK_GL_LIBRARY_DEBUG NAMES fltkgld fltk_gld PATHS ${FLTK_LIBRARY_SEARCH_PATH} PATH_SUFFIXES fltk fltk/lib)
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select_library_configurations(FLTK_GL)
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endif()
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if(NOT FLTK_FORMS_LIBRARY)
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find_library(FLTK_FORMS_LIBRARY_RELEASE NAMES fltkforms fltk_forms PATHS ${FLTK_LIBRARY_SEARCH_PATH} PATH_SUFFIXES fltk fltk/lib)
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find_library(FLTK_FORMS_LIBRARY_DEBUG NAMES fltkformsd fltk_formsd PATHS ${FLTK_LIBRARY_SEARCH_PATH} PATH_SUFFIXES fltk fltk/lib)
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select_library_configurations(FLTK_FORMS)
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endif()
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if(NOT FLTK_IMAGES_LIBRARY)
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find_library(FLTK_IMAGES_LIBRARY_RELEASE NAMES fltkimages fltk_images PATHS ${FLTK_LIBRARY_SEARCH_PATH} PATH_SUFFIXES fltk fltk/lib)
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find_library(FLTK_IMAGES_LIBRARY_DEBUG NAMES fltkimagesd fltk_imagesd PATHS ${FLTK_LIBRARY_SEARCH_PATH} PATH_SUFFIXES fltk fltk/lib)
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select_library_configurations(FLTK_IMAGES)
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endif()
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# Find the extra libraries needed for the fltk_images library.
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if(UNIX)
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if(FLTK_CONFIG_SCRIPT)
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exec_program(${FLTK_CONFIG_SCRIPT} ARGS --use-images --ldflags
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OUTPUT_VARIABLE FLTK_IMAGES_LDFLAGS)
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set(FLTK_LIBS_EXTRACT_REGEX ".*-lfltk_images (.*) -lfltk.*")
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if("${FLTK_IMAGES_LDFLAGS}" MATCHES "${FLTK_LIBS_EXTRACT_REGEX}")
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string(REGEX REPLACE " +" ";" FLTK_IMAGES_LIBS "${CMAKE_MATCH_1}")
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# The EXEC_PROGRAM will not be inherited into subdirectories from
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# the file that originally included this module. Save the answer.
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set(FLTK_IMAGES_LIBS "${FLTK_IMAGES_LIBS}" CACHE INTERNAL
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"Extra libraries for fltk_images library.")
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endif()
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endif()
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endif()
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endif()
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# Append all of the required libraries together (by default, everything)
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set(FLTK_LIBRARIES)
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if(NOT FLTK_SKIP_IMAGES)
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list(APPEND FLTK_LIBRARIES ${FLTK_IMAGES_LIBRARY})
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endif()
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if(NOT FLTK_SKIP_FORMS)
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list(APPEND FLTK_LIBRARIES ${FLTK_FORMS_LIBRARY})
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endif()
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if(NOT FLTK_SKIP_OPENGL)
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list(APPEND FLTK_LIBRARIES ${FLTK_GL_LIBRARY} ${OPENGL_gl_LIBRARY})
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list(APPEND FLTK_INCLUDE_DIR ${OPENGL_INCLUDE_DIR})
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list(REMOVE_DUPLICATES FLTK_INCLUDE_DIR)
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endif()
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list(APPEND FLTK_LIBRARIES ${FLTK_BASE_LIBRARY})
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include(${CMAKE_CURRENT_LIST_DIR}/FindPackageHandleStandardArgs.cmake)
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if(FLTK_SKIP_FLUID)
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FIND_PACKAGE_HANDLE_STANDARD_ARGS(FLTK DEFAULT_MSG FLTK_LIBRARIES FLTK_INCLUDE_DIR)
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else()
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FIND_PACKAGE_HANDLE_STANDARD_ARGS(FLTK DEFAULT_MSG FLTK_LIBRARIES FLTK_INCLUDE_DIR FLTK_FLUID_EXECUTABLE)
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endif()
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if(FLTK_FOUND)
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if(APPLE)
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set(FLTK_LIBRARIES ${FLTK_PLATFORM_DEPENDENT_LIBS} ${FLTK_LIBRARIES})
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else()
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set(FLTK_LIBRARIES ${FLTK_LIBRARIES} ${FLTK_PLATFORM_DEPENDENT_LIBS})
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endif()
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# The following deprecated settings are for compatibility with CMake 1.4
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set (HAS_FLTK ${FLTK_FOUND})
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set (FLTK_INCLUDE_PATH ${FLTK_INCLUDE_DIR})
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set (FLTK_FLUID_EXE ${FLTK_FLUID_EXECUTABLE})
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set (FLTK_LIBRARY ${FLTK_LIBRARIES})
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endif()
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