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Description: Add the FindSFML.cmake module
Author: James Cowgill <james410@cowgill.org.uk>
Last-Update: 2013-08-31
---
This patch header follows DEP-3: http://dep.debian.net/deps/dep3/
--- /dev/null
+++ b/cmake/Modules/FindSFML.cmake
@@ -0,0 +1,209 @@
+# 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 (ie. 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 ...).
+# 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_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)
+#
+# example:
+# find_package(SFML 2 COMPONENTS system window graphics audio REQUIRED)
+# include_directories(${SFML_INCLUDE_DIR})
+# add_executable(myapp ...)
+# target_link_libraries(myapp ${SFML_LIBRARIES})
+
+# define the SFML_STATIC macro if static build was chosen
+if(SFML_STATIC_LIBRARIES)
+ add_definitions(-DSFML_STATIC)
+endif()
+
+# deduce the libraries suffix from the options
+set(FIND_SFML_LIB_SUFFIX "")
+if(SFML_STATIC_LIBRARIES)
+ set(FIND_SFML_LIB_SUFFIX "${FIND_SFML_LIB_SUFFIX}-s")
+endif()
+
+# find the SFML include directory
+find_path(SFML_INCLUDE_DIR SFML/Config.hpp
+ PATH_SUFFIXES include
+ PATHS
+ ${SFML_ROOT}
+ $ENV{SFML_ROOT}
+ ~/Library/Frameworks
+ /Library/Frameworks
+ /usr/local/
+ /usr/
+ /sw # Fink
+ /opt/local/ # DarwinPorts
+ /opt/csw/ # Blastwave
+ /opt/)
+
+# check the version number
+set(SFML_VERSION_OK TRUE)
+if(SFML_FIND_VERSION AND SFML_INCLUDE_DIR)
+ # extract the major and minor version numbers from SFML/Config.hpp
+ # we have to handle framework a little bit differently :
+ if("${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 "${SFML_CONFIG_HPP_INPUT}" SFML_CONFIG_HPP_CONTENTS)
+ STRING(REGEX MATCH ".*#define SFML_VERSION_MAJOR ([0-9]+).*#define SFML_VERSION_MINOR ([0-9]+).*" SFML_CONFIG_HPP_CONTENTS "${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}")
+ math(EXPR SFML_REQUESTED_VERSION "${SFML_FIND_VERSION_MAJOR} * 10 + ${SFML_FIND_VERSION_MINOR}")
+
+ # if we could extract them, compare with the requested version number
+ if (SFML_VERSION_MAJOR)
+ # transform version numbers to an integer
+ math(EXPR SFML_VERSION "${SFML_VERSION_MAJOR} * 10 + ${SFML_VERSION_MINOR}")
+
+ # 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 19)
+ set(SFML_VERSION_OK FALSE)
+ set(SFML_VERSION_MAJOR 1)
+ set(SFML_VERSION_MINOR 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
+set(FIND_SFML_LIB_PATHS
+ ${SFML_ROOT}
+ $ENV{SFML_ROOT}
+ ~/Library/Frameworks
+ /Library/Frameworks
+ /usr/local
+ /usr
+ /sw
+ /opt/local
+ /opt/csw
+ /opt)
+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}${FIND_SFML_LIB_SUFFIX})
+
+ # no suffix for sfml-main, it is always a static library
+ if(FIND_SFML_COMPONENT_LOWER STREQUAL "main")
+ set(FIND_SFML_COMPONENT_NAME sfml-${FIND_SFML_COMPONENT_LOWER})
+ endif()
+
+ # debug library
+ find_library(SFML_${FIND_SFML_COMPONENT_UPPER}_LIBRARY_DEBUG
+ NAMES ${FIND_SFML_COMPONENT_NAME}-d
+ PATH_SUFFIXES lib64 lib
+ PATHS ${FIND_SFML_LIB_PATHS})
+
+ # release library
+ find_library(SFML_${FIND_SFML_COMPONENT_UPPER}_LIBRARY_RELEASE
+ NAMES ${FIND_SFML_COMPONENT_NAME}
+ PATH_SUFFIXES lib64 lib
+ PATHS ${FIND_SFML_LIB_PATHS})
+
+ if (SFML_${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)
+
+ # add to the global list of libraries
+ set(SFML_LIBRARIES ${SFML_LIBRARIES} "${SFML_${FIND_SFML_COMPONENT_UPPER}_LIBRARY}")
+endforeach()
+
+# 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})")
+ 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)
+ message(STATUS "Found SFML ${SFML_VERSION_MAJOR}.${SFML_VERSION_MINOR} in ${SFML_INCLUDE_DIR}")
+endif()
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