mirror of https://github.com/fltk/fltk
145 lines
4.8 KiB
CMake
145 lines
4.8 KiB
CMake
#
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# FLTKConfig.cmake - FLTK CMake configuration file for external projects.
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#
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# This file is generated by CMake and used to load FLTK's settings for
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# an external project, i.e. a project using FLTK.
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#
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# It defines the following variables:
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#
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# FLTK_VERSION - FLTK version string ("x.y.z")
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# FLTK_INCLUDE_DIRS - FLTK include directories
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# FLTK_LIBRARIES - list of built FLTK libraries
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# FLTK_FLUID_EXECUTABLE - needed by the function FLTK_RUN_FLUID
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# (or the deprecated fltk_wrap_ui() CMake command)
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#
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# It defines the following deprecated variables for backwards
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# compatibility (do not use for new projects):
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#
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# FLTK_INCLUDE_DIR - FLTK include directories (same as FLTK_INCLUDE_DIRS)
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#
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# Important note: FLTK's CMake build files are not yet complete and may be
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# changed in future versions. This includes the list of defined variables
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# above that may be changed if necessary.
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#
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# Note: FLTK 1.4.0 introduced "Modern CMake", therefore usage of most if not
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# all of the variables mentioned above is no longer needed in user projects.
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# Please use the CMake target names fltk::fltk, fltk::images, etc. instead.
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# Please see README.CMake.txt for mor info on how to do this.
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#
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# Optional: Create backwards compatible aliases for libraries and fluid.
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# This is enabled in FLTK 1.4.0 to simplify migration of user projects
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# from "classic" (1.3.x) to "modern" CMake and will likely be removed
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# in a later FLTK version (maybe 1.4.x, x>2, or 1.5.0).
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set(FLTK_CREATE_COMPATIBILITY_ALIASES TRUE)
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set(FLTK_VERSION @FLTK_VERSION@)
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include(${CMAKE_CURRENT_LIST_DIR}/FLTK-Targets.cmake)
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set(FLTK_INCLUDE_DIRS "@INCLUDE_DIRS@")
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set(FLTK_LIBRARIES "@FLTK_LIBRARIES@")
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# For compatibility with CMake's FindFLTK.cmake:
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set(FLTK_INCLUDE_DIR "${FLTK_INCLUDE_DIRS}")
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if(CMAKE_CROSSCOMPILING)
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# Find a fluid executable on the build host to be able to build fluid programs
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find_program(FLTK_FLUID_HOST
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NAMES fluid fluid.exe
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PATHS ENV PATH
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NO_DEFAULT_PATH
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NO_CMAKE_FIND_ROOT_PATH
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)
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if(FLTK_FLUID_HOST)
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if(0) # Experimental: currently not used
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# Import a special 'fluid' target called 'fluid-host' (fltk::fluid-host)
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# Note: this is "the same as" the CMake variable FLTK_FLUID_EXECUTABLE
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add_executable(fluid-host IMPORTED)
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set_target_properties(fluid-host
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PROPERTIES IMPORTED_LOCATION ${FLTK_FLUID_HOST}
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)
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add_executable(fltk::fluid-host ALIAS fluid-host)
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set(FLTK_FLUID_EXECUTABLE fltk::fluid-host)
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else()
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set(FLTK_FLUID_EXECUTABLE "${FLTK_FLUID_HOST}")
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endif()
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else() # fluid not found on build host
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message(STATUS "FLTKConfig.cmake (cross-compiling): fluid not found on the build host")
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# note: this assigns "FLTK_FLUID_HOST-NOTFOUND" and running fluid will fail
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set(FLTK_FLUID_EXECUTABLE "${FLTK_FLUID_HOST}")
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endif()
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else(CMAKE_CROSSCOMPILING)
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if(FLTK_CREATE_COMPATIBILITY_ALIASES)
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function(_fltk_make_alias target from)
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if(TARGET ${from} AND NOT TARGET ${target})
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# message(STATUS "FLTKConfig.cmake - create alias: ${target} from ${from}")
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# promote imported target to global visibility (CMake < 3.18 only)
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if(CMAKE_VERSION VERSION_LESS "3.18")
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set_target_properties(${from} PROPERTIES IMPORTED_GLOBAL TRUE)
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endif()
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get_target_property(ttype ${from} TYPE)
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if(ttype STREQUAL "EXECUTABLE")
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add_executable(${target} ALIAS ${from})
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else()
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add_library(${target} ALIAS ${from})
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endif()
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endif()
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endfunction(_fltk_make_alias target)
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if(NOT TARGET fltk::fltk)
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message(FATAL "FLTKConfig.cmake: target fltk::fltk does not exist!")
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endif()
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_fltk_make_alias(fltk fltk::fltk)
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_fltk_make_alias(fltk-shared fltk::fltk-shared)
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_fltk_make_alias(fluid fltk::fluid)
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_fltk_make_alias(fluid-cmd fltk::fluid-cmd)
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_fltk_make_alias(fltk-options fltk::options)
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_fltk_make_alias(fltk-options-cmd fltk::options-cmd)
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foreach(target cairo forms gl images jpeg png z)
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_fltk_make_alias(fltk_${target} fltk::${target})
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_fltk_make_alias(fltk_${target}-shared fltk::${target}-shared)
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endforeach()
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endif() # Create aliases ...
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# set FLTK_FLUID_EXECUTABLE: try to use the fltk::target name if it
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# exists and fall back to 'fluid-cmd' or 'fluid' if not. This will
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# eventually call the build host's fluid if found in the users's PATH
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if(TARGET fltk::fluid-cmd) # Windows only
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set(FLTK_FLUID_EXECUTABLE fltk::fluid-cmd)
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elseif(TARGET fltk::fluid)
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set(FLTK_FLUID_EXECUTABLE fltk::fluid)
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elseif(WIN32)
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set(FLTK_FLUID_EXECUTABLE fluid-cmd)
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else()
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set(FLTK_FLUID_EXECUTABLE fluid)
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endif()
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endif(CMAKE_CROSSCOMPILING)
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# Debug: should be commented out
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# message(STATUS "FLTKConfig.cmake: FLTK_FLUID_EXECUTABLE = '${FLTK_FLUID_EXECUTABLE}'")
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