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210 lines
9.2 KiB
CMake
210 lines
9.2 KiB
CMake
# This script locates the SFML library
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# ------------------------------------
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#
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# Usage
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# -----
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#
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# When you try to locate the SFML libraries, you must specify which modules you want to use (system, window, graphics, network, audio, main).
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# If none is given, the SFML_LIBRARIES variable will be empty and you'll end up linking to nothing.
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# example:
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# find_package(SFML COMPONENTS graphics window system) // find the graphics, window and system modules
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#
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# You can enforce a specific version, either MAJOR.MINOR or only MAJOR.
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# If nothing is specified, the version won't be checked (ie. any version will be accepted).
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# example:
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# find_package(SFML COMPONENTS ...) // no specific version required
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# find_package(SFML 2 COMPONENTS ...) // any 2.x version
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# find_package(SFML 2.4 COMPONENTS ...) // version 2.4 or greater
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#
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# By default, the dynamic libraries of SFML will be found. To find the static ones instead,
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# you must set the SFML_STATIC_LIBRARIES variable to TRUE before calling find_package(SFML ...).
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# In case of static linking, the SFML_STATIC macro will also be defined by this script.
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# example:
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# set(SFML_STATIC_LIBRARIES TRUE)
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# find_package(SFML 2 COMPONENTS network system)
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#
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# On Mac OS X if SFML_STATIC_LIBRARIES is not set to TRUE then by default CMake will search for frameworks unless
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# CMAKE_FIND_FRAMEWORK is set to "NEVER" for example. Please refer to CMake documentation for more details.
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# Moreover, keep in mind that SFML frameworks are only available as release libraries unlike dylibs which
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# are available for both release and debug modes.
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#
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# If SFML is not installed in a standard path, you can use the SFML_ROOT CMake (or environment) variable
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# to tell CMake where SFML is.
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#
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# Output
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# ------
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#
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# This script defines the following variables:
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# - For each specified module XXX (system, window, graphics, network, audio, main):
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# - SFML_XXX_LIBRARY_DEBUG: the name of the debug library of the xxx module (set to SFML_XXX_LIBRARY_RELEASE is no debug version is found)
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# - SFML_XXX_LIBRARY_RELEASE: the name of the release library of the xxx module (set to SFML_XXX_LIBRARY_DEBUG is no release version is found)
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# - SFML_XXX_LIBRARY: the name of the library to link to for the xxx module (includes both debug and optimized names if necessary)
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# - SFML_XXX_FOUND: true if either the debug or release library of the xxx module is found
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# - SFML_LIBRARIES: the list of all libraries corresponding to the required modules
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# - SFML_FOUND: true if all the required modules are found
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# - SFML_INCLUDE_DIR: the path where SFML headers are located (the directory containing the SFML/Config.hpp file)
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#
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# example:
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# find_package(SFML 2 COMPONENTS system window graphics audio REQUIRED)
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# include_directories(${SFML_INCLUDE_DIR})
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# add_executable(myapp ...)
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# target_link_libraries(myapp ${SFML_LIBRARIES})
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# define the SFML_STATIC macro if static build was chosen
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if(SFML_STATIC_LIBRARIES)
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add_definitions(-DSFML_STATIC)
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endif()
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# deduce the libraries suffix from the options
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set(FIND_SFML_LIB_SUFFIX "")
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if(SFML_STATIC_LIBRARIES)
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set(FIND_SFML_LIB_SUFFIX "${FIND_SFML_LIB_SUFFIX}-s")
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endif()
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# find the SFML include directory
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find_path(SFML_INCLUDE_DIR SFML/Config.hpp
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PATH_SUFFIXES include
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PATHS
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${SFML_ROOT}
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$ENV{SFML_ROOT}
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~/Library/Frameworks
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/Library/Frameworks
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/usr/local/
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/usr/
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/sw # Fink
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/opt/local/ # DarwinPorts
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/opt/csw/ # Blastwave
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/opt/)
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# check the version number
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set(SFML_VERSION_OK TRUE)
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if(SFML_FIND_VERSION AND SFML_INCLUDE_DIR)
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# extract the major and minor version numbers from SFML/Config.hpp
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# we have to handle framework a little bit differently :
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if("${SFML_INCLUDE_DIR}" MATCHES "SFML.framework")
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set(SFML_CONFIG_HPP_INPUT "${SFML_INCLUDE_DIR}/Headers/Config.hpp")
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else()
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set(SFML_CONFIG_HPP_INPUT "${SFML_INCLUDE_DIR}/SFML/Config.hpp")
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endif()
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FILE(READ "${SFML_CONFIG_HPP_INPUT}" SFML_CONFIG_HPP_CONTENTS)
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STRING(REGEX MATCH ".*#define SFML_VERSION_MAJOR ([0-9]+).*#define SFML_VERSION_MINOR ([0-9]+).*" SFML_CONFIG_HPP_CONTENTS "${SFML_CONFIG_HPP_CONTENTS}")
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STRING(REGEX REPLACE ".*#define SFML_VERSION_MAJOR ([0-9]+).*" "\\1" SFML_VERSION_MAJOR "${SFML_CONFIG_HPP_CONTENTS}")
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STRING(REGEX REPLACE ".*#define SFML_VERSION_MINOR ([0-9]+).*" "\\1" SFML_VERSION_MINOR "${SFML_CONFIG_HPP_CONTENTS}")
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math(EXPR SFML_REQUESTED_VERSION "${SFML_FIND_VERSION_MAJOR} * 10 + ${SFML_FIND_VERSION_MINOR}")
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# if we could extract them, compare with the requested version number
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if (SFML_VERSION_MAJOR)
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# transform version numbers to an integer
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math(EXPR SFML_VERSION "${SFML_VERSION_MAJOR} * 10 + ${SFML_VERSION_MINOR}")
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# compare them
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if(SFML_VERSION LESS SFML_REQUESTED_VERSION)
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set(SFML_VERSION_OK FALSE)
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endif()
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else()
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# SFML version is < 2.0
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if (SFML_REQUESTED_VERSION GREATER 19)
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set(SFML_VERSION_OK FALSE)
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set(SFML_VERSION_MAJOR 1)
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set(SFML_VERSION_MINOR x)
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endif()
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endif()
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endif()
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# find the requested modules
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set(SFML_FOUND TRUE) # will be set to false if one of the required modules is not found
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set(FIND_SFML_LIB_PATHS
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${SFML_ROOT}
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$ENV{SFML_ROOT}
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~/Library/Frameworks
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/Library/Frameworks
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/usr/local
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/usr
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/sw
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/opt/local
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/opt/csw
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/opt)
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foreach(FIND_SFML_COMPONENT ${SFML_FIND_COMPONENTS})
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string(TOLOWER ${FIND_SFML_COMPONENT} FIND_SFML_COMPONENT_LOWER)
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string(TOUPPER ${FIND_SFML_COMPONENT} FIND_SFML_COMPONENT_UPPER)
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set(FIND_SFML_COMPONENT_NAME sfml-${FIND_SFML_COMPONENT_LOWER}${FIND_SFML_LIB_SUFFIX})
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# no suffix for sfml-main, it is always a static library
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if(FIND_SFML_COMPONENT_LOWER STREQUAL "main")
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set(FIND_SFML_COMPONENT_NAME sfml-${FIND_SFML_COMPONENT_LOWER})
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endif()
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# debug library
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find_library(SFML_${FIND_SFML_COMPONENT_UPPER}_LIBRARY_DEBUG
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NAMES ${FIND_SFML_COMPONENT_NAME}-d
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PATH_SUFFIXES lib64 lib
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PATHS ${FIND_SFML_LIB_PATHS})
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# release library
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find_library(SFML_${FIND_SFML_COMPONENT_UPPER}_LIBRARY_RELEASE
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NAMES ${FIND_SFML_COMPONENT_NAME}
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PATH_SUFFIXES lib64 lib
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PATHS ${FIND_SFML_LIB_PATHS})
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if (SFML_${FIND_SFML_COMPONENT_UPPER}_LIBRARY_DEBUG OR SFML_${FIND_SFML_COMPONENT_UPPER}_LIBRARY_RELEASE)
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# library found
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set(SFML_${FIND_SFML_COMPONENT_UPPER}_FOUND TRUE)
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# if both are found, set SFML_XXX_LIBRARY to contain both
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if (SFML_${FIND_SFML_COMPONENT_UPPER}_LIBRARY_DEBUG AND SFML_${FIND_SFML_COMPONENT_UPPER}_LIBRARY_RELEASE)
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set(SFML_${FIND_SFML_COMPONENT_UPPER}_LIBRARY debug ${SFML_${FIND_SFML_COMPONENT_UPPER}_LIBRARY_DEBUG}
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optimized ${SFML_${FIND_SFML_COMPONENT_UPPER}_LIBRARY_RELEASE})
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endif()
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# if only one debug/release variant is found, set the other to be equal to the found one
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if (SFML_${FIND_SFML_COMPONENT_UPPER}_LIBRARY_DEBUG AND NOT SFML_${FIND_SFML_COMPONENT_UPPER}_LIBRARY_RELEASE)
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# debug and not release
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set(SFML_${FIND_SFML_COMPONENT_UPPER}_LIBRARY_RELEASE ${SFML_${FIND_SFML_COMPONENT_UPPER}_LIBRARY_DEBUG})
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set(SFML_${FIND_SFML_COMPONENT_UPPER}_LIBRARY ${SFML_${FIND_SFML_COMPONENT_UPPER}_LIBRARY_DEBUG})
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endif()
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if (SFML_${FIND_SFML_COMPONENT_UPPER}_LIBRARY_RELEASE AND NOT SFML_${FIND_SFML_COMPONENT_UPPER}_LIBRARY_DEBUG)
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# release and not debug
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set(SFML_${FIND_SFML_COMPONENT_UPPER}_LIBRARY_DEBUG ${SFML_${FIND_SFML_COMPONENT_UPPER}_LIBRARY_RELEASE})
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set(SFML_${FIND_SFML_COMPONENT_UPPER}_LIBRARY ${SFML_${FIND_SFML_COMPONENT_UPPER}_LIBRARY_RELEASE})
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endif()
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else()
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# library not found
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set(SFML_FOUND FALSE)
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set(SFML_${FIND_SFML_COMPONENT_UPPER}_FOUND FALSE)
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set(SFML_${FIND_SFML_COMPONENT_UPPER}_LIBRARY "")
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set(FIND_SFML_MISSING "${FIND_SFML_MISSING} SFML_${FIND_SFML_COMPONENT_UPPER}_LIBRARY")
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endif()
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# mark as advanced
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MARK_AS_ADVANCED(SFML_${FIND_SFML_COMPONENT_UPPER}_LIBRARY
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SFML_${FIND_SFML_COMPONENT_UPPER}_LIBRARY_RELEASE
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SFML_${FIND_SFML_COMPONENT_UPPER}_LIBRARY_DEBUG)
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# add to the global list of libraries
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set(SFML_LIBRARIES ${SFML_LIBRARIES} "${SFML_${FIND_SFML_COMPONENT_UPPER}_LIBRARY}")
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endforeach()
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# handle errors
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if(NOT SFML_VERSION_OK)
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# SFML version not ok
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set(FIND_SFML_ERROR "SFML found but version too low (requested: ${SFML_FIND_VERSION}, found: ${SFML_VERSION_MAJOR}.${SFML_VERSION_MINOR})")
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set(SFML_FOUND FALSE)
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elseif(NOT SFML_FOUND)
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# include directory or library not found
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set(FIND_SFML_ERROR "Could NOT find SFML (missing: ${FIND_SFML_MISSING})")
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endif()
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if (NOT SFML_FOUND)
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if(SFML_FIND_REQUIRED)
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# fatal error
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message(FATAL_ERROR ${FIND_SFML_ERROR})
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elseif(NOT SFML_FIND_QUIETLY)
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# error but continue
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message(STATUS "${FIND_SFML_ERROR}")
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endif()
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endif()
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# handle success
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if(SFML_FOUND)
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message(STATUS "Found SFML ${SFML_VERSION_MAJOR}.${SFML_VERSION_MINOR} in ${SFML_INCLUDE_DIR}")
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endif()
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