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SFML/cmake/Modules/FindSFML.cmake
Alexander Ankudinov 18193a5cde Fix FindSFML.cmake can't find SFML 2.1
2015-08-24 13:36:04 +02:00

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CMake
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# This script locates the SFML library
# ------------------------------------
#
# Usage
# -----
#
# When you try to locate the SFML libraries, you must specify which modules you want to use (system, window, graphics, network, audio, main).
# If none is given, the SFML_LIBRARIES variable will be empty and you'll end up linking to nothing.
# example:
# find_package(SFML COMPONENTS graphics window system) // find the graphics, window and system modules
#
# You can enforce a specific version, either MAJOR.MINOR or only MAJOR.
# If nothing is specified, the version won't be checked (i.e. any version will be accepted).
# example:
# find_package(SFML COMPONENTS ...) // no specific version required
# find_package(SFML 2 COMPONENTS ...) // any 2.x version
# find_package(SFML 2.4 COMPONENTS ...) // version 2.4 or greater
#
# By default, the dynamic libraries of SFML will be found. To find the static ones instead,
# you must set the SFML_STATIC_LIBRARIES variable to TRUE before calling find_package(SFML ...).
# Since you have to link yourself all the SFML dependencies when you link it statically, the following
# additional variables are defined: SFML_XXX_DEPENDENCIES and SFML_DEPENDENCIES (see their detailed
# description below).
# In case of static linking, the SFML_STATIC macro will also be defined by this script.
# example:
# set(SFML_STATIC_LIBRARIES TRUE)
# find_package(SFML 2 COMPONENTS network system)
#
# On Mac OS X if SFML_STATIC_LIBRARIES is not set to TRUE then by default CMake will search for frameworks unless
# CMAKE_FIND_FRAMEWORK is set to "NEVER" for example. Please refer to CMake documentation for more details.
# Moreover, keep in mind that SFML frameworks are only available as release libraries unlike dylibs which
# are available for both release and debug modes.
#
# If SFML is not installed in a standard path, you can use the SFML_ROOT CMake (or environment) variable
# to tell CMake where SFML is.
#
# Output
# ------
#
# This script defines the following variables:
# - For each specified module XXX (system, window, graphics, network, audio, main):
# - 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)
# - 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)
# - SFML_XXX_LIBRARY: the name of the library to link to for the xxx module (includes both debug and optimized names if necessary)
# - SFML_XXX_FOUND: true if either the debug or release library of the xxx module is found
# - SFML_XXX_DEPENDENCIES: the list of libraries the module depends on, in case of static linking
# - SFML_LIBRARIES: the list of all libraries corresponding to the required modules
# - SFML_FOUND: true if all the required modules are found
# - SFML_INCLUDE_DIR: the path where SFML headers are located (the directory containing the SFML/Config.hpp file)
# - SFML_DEPENDENCIES: the list of libraries SFML depends on, in case of static linking
#
# example:
# find_package(SFML 2 COMPONENTS system window graphics audio REQUIRED)
# include_directories(${SFML_INCLUDE_DIR})
# add_executable(myapp ...)
# target_link_libraries(myapp ${SFML_LIBRARIES})
# define the SFML_STATIC macro if static build was chosen
if(SFML_STATIC_LIBRARIES)
add_definitions(-DSFML_STATIC)
endif()
# define the list of search paths for headers and libraries
set(FIND_SFML_PATHS
${SFML_ROOT}
$ENV{SFML_ROOT}
~/Library/Frameworks
/Library/Frameworks
/usr/local
/usr
/sw
/opt/local
/opt/csw
/opt)
# find the SFML include directory
find_path(SFML_INCLUDE_DIR SFML/Config.hpp
PATH_SUFFIXES include
PATHS ${FIND_SFML_PATHS})
# check the version number
set(SFML_VERSION_OK TRUE)
if(SFML_FIND_VERSION AND SFML_INCLUDE_DIR)
# extract the major and minor version numbers from SFML/Config.hpp
# we have to handle framework a little bit differently:
if("${SFML_INCLUDE_DIR}" MATCHES "SFML.framework")
set(SFML_CONFIG_HPP_INPUT "${SFML_INCLUDE_DIR}/Headers/Config.hpp")
else()
set(SFML_CONFIG_HPP_INPUT "${SFML_INCLUDE_DIR}/SFML/Config.hpp")
endif()
FILE(READ "${SFML_CONFIG_HPP_INPUT}" SFML_CONFIG_HPP_CONTENTS)
STRING(REGEX REPLACE ".*#define SFML_VERSION_MAJOR ([0-9]+).*" "\\1" SFML_VERSION_MAJOR "${SFML_CONFIG_HPP_CONTENTS}")
STRING(REGEX REPLACE ".*#define SFML_VERSION_MINOR ([0-9]+).*" "\\1" SFML_VERSION_MINOR "${SFML_CONFIG_HPP_CONTENTS}")
STRING(REGEX REPLACE ".*#define SFML_VERSION_PATCH ([0-9]+).*" "\\1" SFML_VERSION_PATCH "${SFML_CONFIG_HPP_CONTENTS}")
if (NOT "${SFML_VERSION_PATCH}" MATCHES "^[0-9]+$")
set(SFML_VERSION_PATCH 0)
endif()
math(EXPR SFML_REQUESTED_VERSION "${SFML_FIND_VERSION_MAJOR} * 10000 + ${SFML_FIND_VERSION_MINOR} * 100 + ${SFML_FIND_VERSION_PATCH}")
# if we could extract them, compare with the requested version number
if (SFML_VERSION_MAJOR)
# transform version numbers to an integer
math(EXPR SFML_VERSION "${SFML_VERSION_MAJOR} * 10000 + ${SFML_VERSION_MINOR} * 100 + ${SFML_VERSION_PATCH}")
# compare them
if(SFML_VERSION LESS SFML_REQUESTED_VERSION)
set(SFML_VERSION_OK FALSE)
endif()
else()
# SFML version is < 2.0
if (SFML_REQUESTED_VERSION GREATER 10900)
set(SFML_VERSION_OK FALSE)
set(SFML_VERSION_MAJOR 1)
set(SFML_VERSION_MINOR x)
set(SFML_VERSION_PATCH x)
endif()
endif()
endif()
# find the requested modules
set(SFML_FOUND TRUE) # will be set to false if one of the required modules is not found
foreach(FIND_SFML_COMPONENT ${SFML_FIND_COMPONENTS})
string(TOLOWER ${FIND_SFML_COMPONENT} FIND_SFML_COMPONENT_LOWER)
string(TOUPPER ${FIND_SFML_COMPONENT} FIND_SFML_COMPONENT_UPPER)
set(FIND_SFML_COMPONENT_NAME sfml-${FIND_SFML_COMPONENT_LOWER})
# no suffix for sfml-main, it is always a static library
if(FIND_SFML_COMPONENT_LOWER STREQUAL "main")
# release library
find_library(SFML_${FIND_SFML_COMPONENT_UPPER}_LIBRARY_RELEASE
NAMES ${FIND_SFML_COMPONENT_NAME}
PATH_SUFFIXES lib64 lib
PATHS ${FIND_SFML_PATHS})
# debug library
find_library(SFML_${FIND_SFML_COMPONENT_UPPER}_LIBRARY_DEBUG
NAMES ${FIND_SFML_COMPONENT_NAME}-d
PATH_SUFFIXES lib64 lib
PATHS ${FIND_SFML_PATHS})
else()
# static release library
find_library(SFML_${FIND_SFML_COMPONENT_UPPER}_LIBRARY_STATIC_RELEASE
NAMES ${FIND_SFML_COMPONENT_NAME}-s
PATH_SUFFIXES lib64 lib
PATHS ${FIND_SFML_PATHS})
# static debug library
find_library(SFML_${FIND_SFML_COMPONENT_UPPER}_LIBRARY_STATIC_DEBUG
NAMES ${FIND_SFML_COMPONENT_NAME}-s-d
PATH_SUFFIXES lib64 lib
PATHS ${FIND_SFML_PATHS})
# dynamic release library
find_library(SFML_${FIND_SFML_COMPONENT_UPPER}_LIBRARY_DYNAMIC_RELEASE
NAMES ${FIND_SFML_COMPONENT_NAME}
PATH_SUFFIXES lib64 lib
PATHS ${FIND_SFML_PATHS})
# dynamic debug library
find_library(SFML_${FIND_SFML_COMPONENT_UPPER}_LIBRARY_DYNAMIC_DEBUG
NAMES ${FIND_SFML_COMPONENT_NAME}-d
PATH_SUFFIXES lib64 lib
PATHS ${FIND_SFML_PATHS})
# choose the entries that fit the requested link type
if(SFML_STATIC_LIBRARIES)
if(SFML_${FIND_SFML_COMPONENT_UPPER}_LIBRARY_STATIC_RELEASE)
set(SFML_${FIND_SFML_COMPONENT_UPPER}_LIBRARY_RELEASE ${SFML_${FIND_SFML_COMPONENT_UPPER}_LIBRARY_STATIC_RELEASE})
endif()
if(SFML_${FIND_SFML_COMPONENT_UPPER}_LIBRARY_STATIC_DEBUG)
set(SFML_${FIND_SFML_COMPONENT_UPPER}_LIBRARY_DEBUG ${SFML_${FIND_SFML_COMPONENT_UPPER}_LIBRARY_STATIC_DEBUG})
endif()
else()
if(SFML_${FIND_SFML_COMPONENT_UPPER}_LIBRARY_DYNAMIC_RELEASE)
set(SFML_${FIND_SFML_COMPONENT_UPPER}_LIBRARY_RELEASE ${SFML_${FIND_SFML_COMPONENT_UPPER}_LIBRARY_DYNAMIC_RELEASE})
endif()
if(SFML_${FIND_SFML_COMPONENT_UPPER}_LIBRARY_DYNAMIC_DEBUG)
set(SFML_${FIND_SFML_COMPONENT_UPPER}_LIBRARY_DEBUG ${SFML_${FIND_SFML_COMPONENT_UPPER}_LIBRARY_DYNAMIC_DEBUG})
endif()
endif()
endif()
if (SFML_${FIND_SFML_COMPONENT_UPPER}_LIBRARY_DEBUG OR SFML_${FIND_SFML_COMPONENT_UPPER}_LIBRARY_RELEASE)
# library found
set(SFML_${FIND_SFML_COMPONENT_UPPER}_FOUND TRUE)
# if both are found, set SFML_XXX_LIBRARY to contain both
if (SFML_${FIND_SFML_COMPONENT_UPPER}_LIBRARY_DEBUG AND SFML_${FIND_SFML_COMPONENT_UPPER}_LIBRARY_RELEASE)
set(SFML_${FIND_SFML_COMPONENT_UPPER}_LIBRARY debug ${SFML_${FIND_SFML_COMPONENT_UPPER}_LIBRARY_DEBUG}
optimized ${SFML_${FIND_SFML_COMPONENT_UPPER}_LIBRARY_RELEASE})
endif()
# if only one debug/release variant is found, set the other to be equal to the found one
if (SFML_${FIND_SFML_COMPONENT_UPPER}_LIBRARY_DEBUG AND NOT SFML_${FIND_SFML_COMPONENT_UPPER}_LIBRARY_RELEASE)
# debug and not release
set(SFML_${FIND_SFML_COMPONENT_UPPER}_LIBRARY_RELEASE ${SFML_${FIND_SFML_COMPONENT_UPPER}_LIBRARY_DEBUG})
set(SFML_${FIND_SFML_COMPONENT_UPPER}_LIBRARY ${SFML_${FIND_SFML_COMPONENT_UPPER}_LIBRARY_DEBUG})
endif()
if (SFML_${FIND_SFML_COMPONENT_UPPER}_LIBRARY_RELEASE AND NOT SFML_${FIND_SFML_COMPONENT_UPPER}_LIBRARY_DEBUG)
# release and not debug
set(SFML_${FIND_SFML_COMPONENT_UPPER}_LIBRARY_DEBUG ${SFML_${FIND_SFML_COMPONENT_UPPER}_LIBRARY_RELEASE})
set(SFML_${FIND_SFML_COMPONENT_UPPER}_LIBRARY ${SFML_${FIND_SFML_COMPONENT_UPPER}_LIBRARY_RELEASE})
endif()
else()
# library not found
set(SFML_FOUND FALSE)
set(SFML_${FIND_SFML_COMPONENT_UPPER}_FOUND FALSE)
set(SFML_${FIND_SFML_COMPONENT_UPPER}_LIBRARY "")
set(FIND_SFML_MISSING "${FIND_SFML_MISSING} SFML_${FIND_SFML_COMPONENT_UPPER}_LIBRARY")
endif()
# mark as advanced
MARK_AS_ADVANCED(SFML_${FIND_SFML_COMPONENT_UPPER}_LIBRARY
SFML_${FIND_SFML_COMPONENT_UPPER}_LIBRARY_RELEASE
SFML_${FIND_SFML_COMPONENT_UPPER}_LIBRARY_DEBUG
SFML_${FIND_SFML_COMPONENT_UPPER}_LIBRARY_STATIC_RELEASE
SFML_${FIND_SFML_COMPONENT_UPPER}_LIBRARY_STATIC_DEBUG
SFML_${FIND_SFML_COMPONENT_UPPER}_LIBRARY_DYNAMIC_RELEASE
SFML_${FIND_SFML_COMPONENT_UPPER}_LIBRARY_DYNAMIC_DEBUG)
# add to the global list of libraries
set(SFML_LIBRARIES ${SFML_LIBRARIES} "${SFML_${FIND_SFML_COMPONENT_UPPER}_LIBRARY}")
endforeach()
# in case of static linking, we must also define the list of all the dependencies of SFML libraries
if(SFML_STATIC_LIBRARIES)
# detect the OS
if(${CMAKE_SYSTEM_NAME} MATCHES "Windows")
set(FIND_SFML_OS_WINDOWS 1)
elseif(${CMAKE_SYSTEM_NAME} MATCHES "Linux")
set(FIND_SFML_OS_LINUX 1)
elseif(${CMAKE_SYSTEM_NAME} MATCHES "FreeBSD")
set(FIND_SFML_OS_FREEBSD 1)
elseif(${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
set(FIND_SFML_OS_MACOSX 1)
endif()
# start with an empty list
set(SFML_DEPENDENCIES)
set(FIND_SFML_DEPENDENCIES_NOTFOUND)
# macro that searches for a 3rd-party library
macro(find_sfml_dependency output friendlyname)
# No lookup in environment variables (PATH on Windows), as they may contain wrong library versions
find_library(${output} NAMES ${ARGN} PATHS ${FIND_SFML_PATHS} PATH_SUFFIXES lib NO_SYSTEM_ENVIRONMENT_PATH)
if(${${output}} STREQUAL "${output}-NOTFOUND")
unset(output)
set(FIND_SFML_DEPENDENCIES_NOTFOUND "${FIND_SFML_DEPENDENCIES_NOTFOUND} ${friendlyname}")
endif()
endmacro()
# sfml-system
list(FIND SFML_FIND_COMPONENTS "system" FIND_SFML_SYSTEM_COMPONENT)
if(NOT ${FIND_SFML_SYSTEM_COMPONENT} EQUAL -1)
# update the list -- these are only system libraries, no need to find them
if(FIND_SFML_OS_LINUX OR FIND_SFML_OS_FREEBSD OR FIND_SFML_OS_MACOSX)
set(SFML_SYSTEM_DEPENDENCIES "pthread")
endif()
if(FIND_SFML_OS_LINUX)
set(SFML_SYSTEM_DEPENDENCIES ${SFML_SYSTEM_DEPENDENCIES} "rt")
endif()
if(FIND_SFML_OS_WINDOWS)
set(SFML_SYSTEM_DEPENDENCIES "winmm")
endif()
set(SFML_DEPENDENCIES ${SFML_SYSTEM_DEPENDENCIES} ${SFML_DEPENDENCIES})
endif()
# sfml-network
list(FIND SFML_FIND_COMPONENTS "network" FIND_SFML_NETWORK_COMPONENT)
if(NOT ${FIND_SFML_NETWORK_COMPONENT} EQUAL -1)
# update the list -- these are only system libraries, no need to find them
if(FIND_SFML_OS_WINDOWS)
set(SFML_NETWORK_DEPENDENCIES "ws2_32")
endif()
set(SFML_DEPENDENCIES ${SFML_NETWORK_DEPENDENCIES} ${SFML_DEPENDENCIES})
endif()
# sfml-window
list(FIND SFML_FIND_COMPONENTS "window" FIND_SFML_WINDOW_COMPONENT)
if(NOT ${FIND_SFML_WINDOW_COMPONENT} EQUAL -1)
# find libraries
if(FIND_SFML_OS_LINUX OR FIND_SFML_OS_FREEBSD)
find_sfml_dependency(X11_LIBRARY "X11" X11)
find_sfml_dependency(LIBXCB_LIBRARIES "XCB" xcb libxcb)
find_sfml_dependency(X11_XCB_LIBRARY "X11-xcb" X11-xcb libX11-xcb)
find_sfml_dependency(XCB_RANDR_LIBRARY "xcb-randr" xcb-randr libxcb-randr)
find_sfml_dependency(XCB_IMAGE_LIBRARY "xcb-image" xcb-image libxcb-image)
endif()
if(FIND_SFML_OS_LINUX)
find_sfml_dependency(UDEV_LIBRARIES "UDev" udev libudev)
endif()
# update the list
if(FIND_SFML_OS_WINDOWS)
set(SFML_WINDOW_DEPENDENCIES ${SFML_WINDOW_DEPENDENCIES} "opengl32" "winmm" "gdi32")
elseif(FIND_SFML_OS_LINUX)
set(SFML_WINDOW_DEPENDENCIES ${SFML_WINDOW_DEPENDENCIES} "GL" ${X11_LIBRARY} ${LIBXCB_LIBRARIES} ${X11_XCB_LIBRARY} ${XCB_RANDR_LIBRARY} ${XCB_IMAGE_LIBRARY} ${UDEV_LIBRARIES})
elseif(FIND_SFML_OS_FREEBSD)
set(SFML_WINDOW_DEPENDENCIES ${SFML_WINDOW_DEPENDENCIES} "GL" ${X11_LIBRARY} ${LIBXCB_LIBRARIES} ${X11_XCB_LIBRARY} ${XCB_RANDR_LIBRARY} ${XCB_IMAGE_LIBRARY} "usbhid")
elseif(FIND_SFML_OS_MACOSX)
set(SFML_WINDOW_DEPENDENCIES ${SFML_WINDOW_DEPENDENCIES} "-framework OpenGL -framework Foundation -framework AppKit -framework IOKit -framework Carbon")
endif()
set(SFML_DEPENDENCIES ${SFML_WINDOW_DEPENDENCIES} ${SFML_DEPENDENCIES})
endif()
# sfml-graphics
list(FIND SFML_FIND_COMPONENTS "graphics" FIND_SFML_GRAPHICS_COMPONENT)
if(NOT ${FIND_SFML_GRAPHICS_COMPONENT} EQUAL -1)
# find libraries
find_sfml_dependency(FREETYPE_LIBRARY "FreeType" freetype)
find_sfml_dependency(JPEG_LIBRARY "libjpeg" jpeg)
# update the list
set(SFML_GRAPHICS_DEPENDENCIES ${FREETYPE_LIBRARY} ${JPEG_LIBRARY})
set(SFML_DEPENDENCIES ${SFML_GRAPHICS_DEPENDENCIES} ${SFML_DEPENDENCIES})
endif()
# sfml-audio
list(FIND SFML_FIND_COMPONENTS "audio" FIND_SFML_AUDIO_COMPONENT)
if(NOT ${FIND_SFML_AUDIO_COMPONENT} EQUAL -1)
# find libraries
find_sfml_dependency(OPENAL_LIBRARY "OpenAL" openal openal32)
find_sfml_dependency(OGG_LIBRARY "Ogg" ogg)
find_sfml_dependency(VORBIS_LIBRARY "Vorbis" vorbis)
find_sfml_dependency(VORBISFILE_LIBRARY "VorbisFile" vorbisfile)
find_sfml_dependency(VORBISENC_LIBRARY "VorbisEnc" vorbisenc)
find_sfml_dependency(FLAC_LIBRARY "FLAC" FLAC)
# update the list
set(SFML_AUDIO_DEPENDENCIES ${OPENAL_LIBRARY} ${FLAC_LIBRARY} ${VORBISENC_LIBRARY} ${VORBISFILE_LIBRARY} ${VORBIS_LIBRARY} ${OGG_LIBRARY})
set(SFML_DEPENDENCIES ${SFML_DEPENDENCIES} ${SFML_AUDIO_DEPENDENCIES})
endif()
endif()
# handle errors
if(NOT SFML_VERSION_OK)
# SFML version not ok
set(FIND_SFML_ERROR "SFML found but version too low (requested: ${SFML_FIND_VERSION}, found: ${SFML_VERSION_MAJOR}.${SFML_VERSION_MINOR}.${SFML_VERSION_PATCH})")
set(SFML_FOUND FALSE)
elseif(SFML_STATIC_LIBRARIES AND FIND_SFML_DEPENDENCIES_NOTFOUND)
set(FIND_SFML_ERROR "SFML found but some of its dependencies are missing (${FIND_SFML_DEPENDENCIES_NOTFOUND})")
set(SFML_FOUND FALSE)
elseif(NOT SFML_FOUND)
# include directory or library not found
set(FIND_SFML_ERROR "Could NOT find SFML (missing: ${FIND_SFML_MISSING})")
endif()
if (NOT SFML_FOUND)
if(SFML_FIND_REQUIRED)
# fatal error
message(FATAL_ERROR ${FIND_SFML_ERROR})
elseif(NOT SFML_FIND_QUIETLY)
# error but continue
message("${FIND_SFML_ERROR}")
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()
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