ENH: Better support for "fltk-config" binary, added options so the user
doesn't have to have everything in order for FLTK_FOUND to be true. #7809
This commit is contained in:
Philip Lowman
parent
f0eef5ab52
commit
138c445781
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@ -1,22 +1,37 @@
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# - Find the native FLTK includes and library
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# The following settings are defined
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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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# FLTK_INCLUDE_DIR, where to find include files
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# FLTK_LIBRARIES, list of fltk libraries
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# FLTK_FOUND, Don't use FLTK if false.
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# The following settings should not be used in general.
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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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# By default FindFLTK.cmake will search for all of the FLTK components and
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# add them to the FLTK_LIBRARIES variable.
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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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# 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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# 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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# The following variables will be defined:
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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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# 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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# 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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IF (FLTK_INCLUDE_DIR)
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# Already in cache, be silent
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SET(FLTK_FIND_QUIETLY TRUE)
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ENDIF (FLTK_INCLUDE_DIR)
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FIND_PACKAGE(OpenGL)
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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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@ -117,7 +132,7 @@ ENDIF(NOT FLTK_DIR)
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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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IF(FLUID_COMMAND)
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SET(FLTK_FLUID_EXECUTABLE ${FLUID_COMMAND} CACHE FILEPATH "Fluid executable")
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ELSE(FLUID_COMMAND)
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FIND_PROGRAM(FLTK_FLUID_EXECUTABLE fluid PATHS
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@ -177,7 +192,8 @@ ENDIF(NOT FLTK_DIR)
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ENDIF(FLTK_FLUID_EXECUTABLE)
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#
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# Try to find FLTK include dir
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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 ${FLTK_BIN_DIR})
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@ -185,8 +201,12 @@ ENDIF(NOT FLTK_DIR)
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IF(NOT FLTK_INCLUDE_DIR)
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EXEC_PROGRAM(${FLTK_CONFIG_SCRIPT} ARGS --cxxflags OUTPUT_VARIABLE FLTK_CXXFLAGS)
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IF(FLTK_CXXFLAGS)
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STRING(REGEX REPLACE "-I" "" _FLTK_POSSIBLE_INCLUDE_DIRS ${FLTK_CXXFLAGS})
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STRING(REGEX REPLACE "-D[A-Za-z0-9_=]+" "" _FLTK_POSSIBLE_INCLUDE_DIRS ${_FLTK_POSSIBLE_INCLUDE_DIRS})
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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(FLTK_CXXFLAGS)
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ENDIF()
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ENDIF()
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@ -249,24 +269,29 @@ ENDIF(NOT FLTK_DIR)
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ENDIF(FLTK_BUILT_WITH_CMAKE)
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SET(FLTK_FOUND 1)
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FOREACH(var FLTK_FLUID_EXECUTABLE FLTK_INCLUDE_DIR
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FLTK_BASE_LIBRARY FLTK_GL_LIBRARY
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FLTK_FORMS_LIBRARY FLTK_IMAGES_LIBRARY)
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IF(NOT ${var})
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SET(FLTK_FOUND 0)
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ENDIF(NOT ${var})
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ENDFOREACH(var)
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IF(FLTK_FOUND)
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SET(FLTK_LIBRARIES ${FLTK_IMAGES_LIBRARY} ${FLTK_IMAGES_LIBS} ${FLTK_BASE_LIBRARY})
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IF(FLTK_GL_LIBRARY AND OPENGL_FOUND)
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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_FORMS_LIBRARY})
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LIST(APPEND FLTK_LIBRARIES ${FLTK_BASE_LIBRARY})
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INCLUDE(FindPackageHandleStandardArgs)
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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(APPLE)
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@ -280,5 +305,3 @@ IF(FLTK_FOUND)
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SET (FLTK_LIBRARY ${FLTK_LIBRARIES})
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ENDIF(FLTK_FOUND)
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INCLUDE(FindPackageHandleStandardArgs)
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FIND_PACKAGE_HANDLE_STANDARD_ARGS(FLTK DEFAULT_MSG FLTK_LIBRARIES FLTK_INCLUDE_DIR)
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