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The matches have already been calculated and can simply be taken from CMAKE_MATCH_n variables. This avoids multiple compilations of the same or very similar regular expressions.
335 lines
11 KiB
CMake
335 lines
11 KiB
CMake
#.rst:
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# FindFLTK
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# --------
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#
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# Find the native FLTK includes and library
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#
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#
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#
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# By default FindFLTK.cmake will search for all of the FLTK components
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# and add them to the FLTK_LIBRARIES variable.
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#
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# ::
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#
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# You can limit the components which get placed in FLTK_LIBRARIES by
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# defining one or more of the following three options:
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#
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#
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#
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# ::
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#
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# FLTK_SKIP_OPENGL, set to true to disable searching for opengl and
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# the FLTK GL library
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# FLTK_SKIP_FORMS, set to true to disable searching for fltk_forms
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# FLTK_SKIP_IMAGES, set to true to disable searching for fltk_images
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#
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#
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#
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# ::
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#
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# FLTK_SKIP_FLUID, set to true if the fluid binary need not be present
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# at build time
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#
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#
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#
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# The following variables will be defined:
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#
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# ::
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#
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# FLTK_FOUND, True if all components not skipped were found
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# FLTK_INCLUDE_DIR, where to find include files
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# FLTK_LIBRARIES, list of fltk libraries you should link against
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# FLTK_FLUID_EXECUTABLE, where to find the Fluid tool
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# FLTK_WRAP_UI, This enables the FLTK_WRAP_UI command
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#
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#
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#
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# The following cache variables are assigned but should not be used.
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# See the FLTK_LIBRARIES variable instead.
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#
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# ::
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#
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# FLTK_BASE_LIBRARY = the full path to fltk.lib
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# FLTK_GL_LIBRARY = the full path to fltk_gl.lib
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# FLTK_FORMS_LIBRARY = the full path to fltk_forms.lib
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# FLTK_IMAGES_LIBRARY = the full path to fltk_images.lib
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#=============================================================================
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# Copyright 2001-2009 Kitware, Inc.
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#
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# Distributed under the OSI-approved BSD License (the "License");
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# see accompanying file Copyright.txt for details.
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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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# (To distribute this file outside of CMake, substitute the full
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# License text for the above reference.)
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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 assigne 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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PATHS
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# Look in standard UNIX install locations.
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/usr/local/lib/fltk
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/usr/lib/fltk
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/usr/local/fltk
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/usr/X11R6/include
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# Read from the CMakeSetup registry entries. It is likely that
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# FLTK will have been recently built.
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# TODO: Is this really a good idea? I can already hear the user screaming, "But
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# it worked when I configured the build LAST week!"
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[HKEY_CURRENT_USER\\Software\\Kitware\\CMakeSetup\\Settings\\StartPath;WhereBuild1]
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[HKEY_CURRENT_USER\\Software\\Kitware\\CMakeSetup\\Settings\\StartPath;WhereBuild2]
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[HKEY_CURRENT_USER\\Software\\Kitware\\CMakeSetup\\Settings\\StartPath;WhereBuild3]
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[HKEY_CURRENT_USER\\Software\\Kitware\\CMakeSetup\\Settings\\StartPath;WhereBuild4]
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[HKEY_CURRENT_USER\\Software\\Kitware\\CMakeSetup\\Settings\\StartPath;WhereBuild5]
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[HKEY_CURRENT_USER\\Software\\Kitware\\CMakeSetup\\Settings\\StartPath;WhereBuild6]
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[HKEY_CURRENT_USER\\Software\\Kitware\\CMakeSetup\\Settings\\StartPath;WhereBuild7]
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[HKEY_CURRENT_USER\\Software\\Kitware\\CMakeSetup\\Settings\\StartPath;WhereBuild8]
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[HKEY_CURRENT_USER\\Software\\Kitware\\CMakeSetup\\Settings\\StartPath;WhereBuild9]
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[HKEY_CURRENT_USER\\Software\\Kitware\\CMakeSetup\\Settings\\StartPath;WhereBuild10]
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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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if(EXISTS ${FLTK_DIR}/FLTKConfig.cmake)
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set(FLTK_BUILT_WITH_CMAKE 1)
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endif()
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if(FLTK_BUILT_WITH_CMAKE)
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set(FLTK_FOUND 1)
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include(${FLTK_DIR}/FLTKConfig.cmake)
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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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set(FLTK_INCLUDE_SEARCH_PATH ${FLTK_INCLUDE_SEARCH_PATH}
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/usr/local/fltk
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/usr/X11R6/include
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${_FLTK_POSSIBLE_INCLUDE_DIRS}
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)
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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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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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set(FLTK_LIBRARY_SEARCH_PATH ${FLTK_LIBRARY_SEARCH_PATH}
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/usr/local/fltk/lib
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/usr/X11R6/lib
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${FLTK_INCLUDE_DIR}/lib
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${_FLTK_POSSIBLE_LIBRARY_DIR}
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)
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find_library(FLTK_BASE_LIBRARY NAMES fltk fltkd
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PATHS ${FLTK_LIBRARY_SEARCH_PATH})
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find_library(FLTK_GL_LIBRARY NAMES fltkgl fltkgld fltk_gl
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PATHS ${FLTK_LIBRARY_SEARCH_PATH})
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find_library(FLTK_FORMS_LIBRARY NAMES fltkforms fltkformsd fltk_forms
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PATHS ${FLTK_LIBRARY_SEARCH_PATH})
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find_library(FLTK_IMAGES_LIBRARY NAMES fltkimages fltkimagesd fltk_images
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PATHS ${FLTK_LIBRARY_SEARCH_PATH})
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# Find the extra libraries needed for the fltk_images library.
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if(UNIX)
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if(FLTK_CONFIG_SCRIPT)
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exec_program(${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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