mirror of
https://github.com/SFML/SFML.git
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c0bee34d42
Environment variables (e.g. PATH on Windows) are looked up early by CMake, and libraries found there are prioritized over those in SFML's own folder. To avoid paths to wrong libraries, this commit modifies the CMake find_library() call, such that environment variables are no longer considered as suitable paths.
363 lines
17 KiB
CMake
363 lines
17 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 (i.e. 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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# Since you have to link yourself all the SFML dependencies when you link it statically, the following
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# additional variables are defined: SFML_XXX_DEPENDENCIES and SFML_DEPENDENCIES (see their detailed
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# description below).
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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_XXX_DEPENDENCIES: the list of libraries the module depends on, in case of static linking
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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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# - SFML_DEPENDENCIES: the list of libraries SFML depends on, in case of static linking
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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 ${SFML_LIBRARIES})
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# define the SFML_STATIC macro if static build was chosen
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if(SFML_STATIC_LIBRARIES)
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add_definitions(-DSFML_STATIC)
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endif()
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# define the list of search paths for headers and libraries
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set(FIND_SFML_PATHS
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${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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# 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 ${FIND_SFML_PATHS})
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# check the version number
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set(SFML_VERSION_OK TRUE)
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if(SFML_FIND_VERSION AND SFML_INCLUDE_DIR)
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# extract the major and minor version numbers from SFML/Config.hpp
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# we have to handle framework a little bit differently:
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if("${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 "${SFML_CONFIG_HPP_INPUT}" SFML_CONFIG_HPP_CONTENTS)
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STRING(REGEX MATCH ".*#define SFML_VERSION_MAJOR ([0-9]+).*#define SFML_VERSION_MINOR ([0-9]+).*#define SFML_VERSION_PATCH ([0-9]+).*" SFML_CONFIG_HPP_CONTENTS "${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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STRING(REGEX REPLACE ".*#define SFML_VERSION_PATCH ([0-9]+).*" "\\1" SFML_VERSION_PATCH "${SFML_CONFIG_HPP_CONTENTS}")
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math(EXPR SFML_REQUESTED_VERSION "${SFML_FIND_VERSION_MAJOR} * 10000 + ${SFML_FIND_VERSION_MINOR} * 100 + ${SFML_FIND_VERSION_PATCH}")
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# if we could extract them, compare with the requested version number
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if (SFML_VERSION_MAJOR)
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# transform version numbers to an integer
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math(EXPR SFML_VERSION "${SFML_VERSION_MAJOR} * 10000 + ${SFML_VERSION_MINOR} * 100 + ${SFML_VERSION_PATCH}")
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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 10900)
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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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set(SFML_VERSION_PATCH 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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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})
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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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# 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 ${FIND_SFML_PATHS})
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# debug library
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find_library(SFML_${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 ${FIND_SFML_PATHS})
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else()
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# static release library
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find_library(SFML_${FIND_SFML_COMPONENT_UPPER}_LIBRARY_STATIC_RELEASE
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NAMES ${FIND_SFML_COMPONENT_NAME}-s
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PATH_SUFFIXES lib64 lib
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PATHS ${FIND_SFML_PATHS})
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# static debug library
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find_library(SFML_${FIND_SFML_COMPONENT_UPPER}_LIBRARY_STATIC_DEBUG
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NAMES ${FIND_SFML_COMPONENT_NAME}-s-d
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PATH_SUFFIXES lib64 lib
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PATHS ${FIND_SFML_PATHS})
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# dynamic release library
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find_library(SFML_${FIND_SFML_COMPONENT_UPPER}_LIBRARY_DYNAMIC_RELEASE
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NAMES ${FIND_SFML_COMPONENT_NAME}
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PATH_SUFFIXES lib64 lib
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PATHS ${FIND_SFML_PATHS})
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# dynamic debug library
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find_library(SFML_${FIND_SFML_COMPONENT_UPPER}_LIBRARY_DYNAMIC_DEBUG
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NAMES ${FIND_SFML_COMPONENT_NAME}-d
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PATH_SUFFIXES lib64 lib
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PATHS ${FIND_SFML_PATHS})
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# choose the entries that fit the requested link type
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if(SFML_STATIC_LIBRARIES)
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if(SFML_${FIND_SFML_COMPONENT_UPPER}_LIBRARY_STATIC_RELEASE)
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set(SFML_${FIND_SFML_COMPONENT_UPPER}_LIBRARY_RELEASE ${SFML_${FIND_SFML_COMPONENT_UPPER}_LIBRARY_STATIC_RELEASE})
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endif()
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if(SFML_${FIND_SFML_COMPONENT_UPPER}_LIBRARY_STATIC_DEBUG)
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set(SFML_${FIND_SFML_COMPONENT_UPPER}_LIBRARY_DEBUG ${SFML_${FIND_SFML_COMPONENT_UPPER}_LIBRARY_STATIC_DEBUG})
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endif()
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else()
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if(SFML_${FIND_SFML_COMPONENT_UPPER}_LIBRARY_DYNAMIC_RELEASE)
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set(SFML_${FIND_SFML_COMPONENT_UPPER}_LIBRARY_RELEASE ${SFML_${FIND_SFML_COMPONENT_UPPER}_LIBRARY_DYNAMIC_RELEASE})
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endif()
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if(SFML_${FIND_SFML_COMPONENT_UPPER}_LIBRARY_DYNAMIC_DEBUG)
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set(SFML_${FIND_SFML_COMPONENT_UPPER}_LIBRARY_DEBUG ${SFML_${FIND_SFML_COMPONENT_UPPER}_LIBRARY_DYNAMIC_DEBUG})
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endif()
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endif()
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endif()
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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_${FIND_SFML_COMPONENT_UPPER}_LIBRARY_DEBUG
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SFML_${FIND_SFML_COMPONENT_UPPER}_LIBRARY_STATIC_RELEASE
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SFML_${FIND_SFML_COMPONENT_UPPER}_LIBRARY_STATIC_DEBUG
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SFML_${FIND_SFML_COMPONENT_UPPER}_LIBRARY_DYNAMIC_RELEASE
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SFML_${FIND_SFML_COMPONENT_UPPER}_LIBRARY_DYNAMIC_DEBUG)
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# add to the global list of libraries
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set(SFML_LIBRARIES ${SFML_LIBRARIES} "${SFML_${FIND_SFML_COMPONENT_UPPER}_LIBRARY}")
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endforeach()
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# in case of static linking, we must also define the list of all the dependencies of SFML libraries
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if(SFML_STATIC_LIBRARIES)
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# detect the OS
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if(${CMAKE_SYSTEM_NAME} MATCHES "Windows")
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set(FIND_SFML_OS_WINDOWS 1)
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elseif(${CMAKE_SYSTEM_NAME} MATCHES "Linux")
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set(FIND_SFML_OS_LINUX 1)
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elseif(${CMAKE_SYSTEM_NAME} MATCHES "FreeBSD")
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set(FIND_SFML_OS_FREEBSD 1)
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elseif(${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
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set(FIND_SFML_OS_MACOSX 1)
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endif()
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# start with an empty list
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set(SFML_DEPENDENCIES)
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set(FIND_SFML_DEPENDENCIES_NOTFOUND)
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# macro that searches for a 3rd-party library
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macro(find_sfml_dependency output friendlyname)
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# No lookup in environment variables (PATH on Windows), as they may contain wrong library versions
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find_library(${output} NAMES ${ARGN} PATHS ${FIND_SFML_PATHS} PATH_SUFFIXES lib NO_SYSTEM_ENVIRONMENT_PATH)
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if(${${output}} STREQUAL "${output}-NOTFOUND")
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unset(output)
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set(FIND_SFML_DEPENDENCIES_NOTFOUND "${FIND_SFML_DEPENDENCIES_NOTFOUND} ${friendlyname}")
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endif()
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endmacro()
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# sfml-system
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list(FIND SFML_FIND_COMPONENTS "system" FIND_SFML_SYSTEM_COMPONENT)
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if(NOT ${FIND_SFML_SYSTEM_COMPONENT} EQUAL -1)
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# update the list -- these are only system libraries, no need to find them
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if(FIND_SFML_OS_LINUX OR FIND_SFML_OS_FREEBSD OR FIND_SFML_OS_MACOSX)
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set(SFML_SYSTEM_DEPENDENCIES "pthread")
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endif()
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if(FIND_SFML_OS_LINUX)
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set(SFML_SYSTEM_DEPENDENCIES ${SFML_SYSTEM_DEPENDENCIES} "rt")
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endif()
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if(FIND_SFML_OS_WINDOWS)
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set(SFML_SYSTEM_DEPENDENCIES "winmm")
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endif()
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set(SFML_DEPENDENCIES ${SFML_SYSTEM_DEPENDENCIES} ${SFML_DEPENDENCIES})
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endif()
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# sfml-network
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list(FIND SFML_FIND_COMPONENTS "network" FIND_SFML_NETWORK_COMPONENT)
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if(NOT ${FIND_SFML_NETWORK_COMPONENT} EQUAL -1)
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# update the list -- these are only system libraries, no need to find them
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if(FIND_SFML_OS_WINDOWS)
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set(SFML_NETWORK_DEPENDENCIES "ws2_32")
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endif()
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set(SFML_DEPENDENCIES ${SFML_NETWORK_DEPENDENCIES} ${SFML_DEPENDENCIES})
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endif()
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# sfml-window
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list(FIND SFML_FIND_COMPONENTS "window" FIND_SFML_WINDOW_COMPONENT)
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if(NOT ${FIND_SFML_WINDOW_COMPONENT} EQUAL -1)
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# find libraries
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if(FIND_SFML_OS_LINUX)
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find_sfml_dependency(X11_LIBRARY "X11" X11)
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find_sfml_dependency(XRANDR_LIBRARY "Xrandr" Xrandr)
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find_sfml_dependency(UDEV_LIBRARIES "UDev" udev)
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endif()
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# update the list
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if(FIND_SFML_OS_WINDOWS)
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set(SFML_WINDOW_DEPENDENCIES ${SFML_WINDOW_DEPENDENCIES} "opengl32" "winmm" "gdi32")
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elseif(FIND_SFML_OS_LINUX OR FIND_SFML_OS_FREEBSD)
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set(SFML_WINDOW_DEPENDENCIES ${SFML_WINDOW_DEPENDENCIES} "GL" ${X11_LIBRARY} ${XRANDR_LIBRARY})
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if(FIND_SFML_OS_FREEBSD)
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set(SFML_WINDOW_DEPENDENCIES ${SFML_WINDOW_DEPENDENCIES} "usbhid")
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else()
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set(SFML_WINDOW_DEPENDENCIES ${SFML_WINDOW_DEPENDENCIES} ${UDEV_LIBRARIES})
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endif()
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elseif(FIND_SFML_OS_MACOSX)
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set(SFML_WINDOW_DEPENDENCIES ${SFML_WINDOW_DEPENDENCIES} "-framework OpenGL -framework Foundation -framework AppKit -framework IOKit -framework Carbon")
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endif()
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set(SFML_DEPENDENCIES ${SFML_WINDOW_DEPENDENCIES} ${SFML_DEPENDENCIES})
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endif()
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# sfml-graphics
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list(FIND SFML_FIND_COMPONENTS "graphics" FIND_SFML_GRAPHICS_COMPONENT)
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if(NOT ${FIND_SFML_GRAPHICS_COMPONENT} EQUAL -1)
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# find libraries
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find_sfml_dependency(FREETYPE_LIBRARY "FreeType" freetype)
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find_sfml_dependency(JPEG_LIBRARY "libjpeg" jpeg)
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# update the list
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set(SFML_GRAPHICS_DEPENDENCIES ${FREETYPE_LIBRARY} ${JPEG_LIBRARY})
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set(SFML_DEPENDENCIES ${SFML_GRAPHICS_DEPENDENCIES} ${SFML_DEPENDENCIES})
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endif()
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# sfml-audio
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list(FIND SFML_FIND_COMPONENTS "audio" FIND_SFML_AUDIO_COMPONENT)
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if(NOT ${FIND_SFML_AUDIO_COMPONENT} EQUAL -1)
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# find libraries
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find_sfml_dependency(OPENAL_LIBRARY "OpenAL" openal openal32)
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find_sfml_dependency(OGG_LIBRARY "Ogg" ogg)
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find_sfml_dependency(VORBIS_LIBRARY "Vorbis" vorbis)
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find_sfml_dependency(VORBISFILE_LIBRARY "VorbisFile" vorbisfile)
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find_sfml_dependency(FLAC_LIBRARY "FLAC" flac)
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# update the list
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set(SFML_AUDIO_DEPENDENCIES ${OPENAL_LIBRARY} ${FLAC_LIBRARY} ${VORBISFILE_LIBRARY} ${VORBIS_LIBRARY} ${OGG_LIBRARY})
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set(SFML_DEPENDENCIES ${SFML_DEPENDENCIES} ${SFML_AUDIO_DEPENDENCIES})
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endif()
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endif()
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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}.${SFML_VERSION_PATCH})")
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set(SFML_FOUND FALSE)
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elseif(SFML_STATIC_LIBRARIES AND FIND_SFML_DEPENDENCIES_NOTFOUND)
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set(FIND_SFML_ERROR "SFML found but some of its dependencies are missing (${FIND_SFML_DEPENDENCIES_NOTFOUND})")
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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 ${FIND_SFML_ERROR})
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elseif(NOT SFML_FIND_QUIETLY)
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# error but continue
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message("${FIND_SFML_ERROR}")
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|
endif()
|
|
endif()
|
|
|
|
# handle success
|
|
if(SFML_FOUND AND NOT SFML_FIND_QUIETLY)
|
|
message(STATUS "Found SFML ${SFML_VERSION_MAJOR}.${SFML_VERSION_MINOR}.${SFML_VERSION_PATCH} in ${SFML_INCLUDE_DIR}")
|
|
endif()
|