Adapt SDL_ttf CMake module to SDL2_ttf and improve it
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Amine B. Hassouna
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190d4492a4
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1fe1106c22
@ -2,51 +2,99 @@
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# file Copyright.txt or https://cmake.org/licensing for details.
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#[=======================================================================[.rst:
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FindSDL_ttf
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-----------
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FindSDL2_ttf
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------------
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Locate SDL_ttf library
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Locate SDL2_ttf library
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This module defines:
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This module will set the following variables in your project:
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::
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SDL_TTF_LIBRARIES, the name of the library to link against
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SDL_TTF_INCLUDE_DIRS, where to find the headers
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SDL_TTF_FOUND, if false, do not try to link against
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SDL_TTF_VERSION_STRING - human-readable string containing the version of SDL_ttf
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SDL2_TTF_LIBRARIES, the name of the library to link against
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SDL2_TTF_INCLUDE_DIRS, where to find the headers
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SDL2_TTF_FOUND, if false, do not try to link against
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SDL2_TTF_VERSION_STRING - human-readable string containing the
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version of SDL2_ttf
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For backward compatibility the following variables are also set:
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This module responds to the following cache variables:
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::
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SDLTTF_LIBRARY (same value as SDL_TTF_LIBRARIES)
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SDLTTF_INCLUDE_DIR (same value as SDL_TTF_INCLUDE_DIRS)
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SDLTTF_FOUND (same value as SDL_TTF_FOUND)
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SDL2_TTF_PATH
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Set a custom SDL2_ttf Library path (default: empty)
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SDL2_TTF_NO_DEFAULT_PATH
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Disable search SDL2_ttf Library in default path.
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If SDL2_TTF_PATH (default: ON)
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Else (default: OFF)
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SDL2_TTF_INCLUDE_DIR
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SDL2_ttf headers path.
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SDL2_TTF_LIBRARY
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SDL2_ttf Library (.dll, .so, .a, etc) path.
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Additional Note: If you see an empty SDL2_TTF_LIBRARY in your project
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configuration, it means CMake did not find your SDL2_ttf library
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(SDL2_ttf.dll, libsdl2_ttf.so, etc). Set SDL2_TTF_LIBRARY to point
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to your SDL2_ttf library, and configure again. This value is used to
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generate the final SDL2_TTF_LIBRARIES variable, but when this value is
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unset, SDL2_TTF_LIBRARIES does not get created.
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$SDL2TTFDIR is an environment variable that would correspond to the
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./configure --prefix=$SDL2TTFDIR used in building SDL2_ttf.
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$SDL2DIR is an environment variable that would correspond to the
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./configure --prefix=$SDL2DIR used in building SDL2.
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$SDLDIR is an environment variable that would correspond to the
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./configure --prefix=$SDLDIR used in building SDL.
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Created by Amine Ben Hassouna:
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Adapt FindSDL_ttf.cmake to SDL2_ttf (FindSDL2_ttf.cmake).
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Add cache variables for more flexibility:
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SDL2_TTF_PATH, SDL2_TTF_NO_DEFAULT_PATH (for details, see doc above).
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Original FindSDL_ttf.cmake module:
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Created by Eric Wing. This was influenced by the FindSDL.cmake
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module, but with modifications to recognize OS X frameworks and
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additional Unix paths (FreeBSD, etc).
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#]=======================================================================]
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if(NOT SDL_TTF_INCLUDE_DIR AND SDLTTF_INCLUDE_DIR)
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set(SDL_TTF_INCLUDE_DIR ${SDLTTF_INCLUDE_DIR} CACHE PATH "directory cache
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entry initialized from old variable name")
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# Define options for searching SDL2_ttf Library in a custom path
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set(SDL2_TTF_PATH "" CACHE STRING "Custom SDL2_ttf Library path")
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set(_SDL2_TTF_NO_DEFAULT_PATH OFF)
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if(SDL2_TTF_PATH)
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set(_SDL2_TTF_NO_DEFAULT_PATH ON)
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endif()
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find_path(SDL_TTF_INCLUDE_DIR SDL_ttf.h
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set(SDL2_TTF_NO_DEFAULT_PATH ${_SDL2_TTF_NO_DEFAULT_PATH}
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CACHE BOOL "Disable search SDL2_ttf Library in default path")
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unset(_SDL2_TTF_NO_DEFAULT_PATH)
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set(SDL2_TTF_NO_DEFAULT_PATH_CMD)
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if(SDL2_TTF_NO_DEFAULT_PATH)
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set(SDL2_TTF_NO_DEFAULT_PATH_CMD NO_DEFAULT_PATH)
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endif()
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# Search for the SDL2_ttf include directory
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find_path(SDL2_TTF_INCLUDE_DIR SDL_ttf.h
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HINTS
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ENV SDLTTFDIR
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ENV SDLDIR
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PATH_SUFFIXES SDL
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# path suffixes to search inside ENV{SDLDIR}
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include/SDL include/SDL12 include/SDL11 include
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ENV SDL2TTFDIR
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ENV SDL2DIR
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${SDL2_TTF_NO_DEFAULT_PATH_CMD}
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PATH_SUFFIXES SDL2
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# path suffixes to search inside ENV{SDL2DIR}
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# and ENV{SDL2TTFDIR}
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include/SDL2 include
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PATHS ${SDL2_TTF_PATH}
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DOC "Where the SDL2_ttf headers can be found"
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)
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if(CMAKE_SIZEOF_VOID_P EQUAL 8)
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@ -55,46 +103,47 @@ else()
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set(VC_LIB_PATH_SUFFIX lib/x86)
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endif()
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if(NOT SDL_TTF_LIBRARY AND SDLTTF_LIBRARY)
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set(SDL_TTF_LIBRARY ${SDLTTF_LIBRARY} CACHE FILEPATH "file cache entry
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initialized from old variable name")
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endif()
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find_library(SDL_TTF_LIBRARY
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NAMES SDL_ttf
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# Search for the SDL2_ttf library
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find_library(SDL2_TTF_LIBRARY
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NAMES SDL2_ttf
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HINTS
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ENV SDLTTFDIR
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ENV SDLDIR
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ENV SDL2TTFDIR
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ENV SDL2DIR
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${SDL2_TTF_NO_DEFAULT_PATH_CMD}
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PATH_SUFFIXES lib ${VC_LIB_PATH_SUFFIX}
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PATHS ${SDL2_TTF_PATH}
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DOC "Where the SDL2_ttf Library can be found"
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)
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if(SDL_TTF_INCLUDE_DIR AND EXISTS "${SDL_TTF_INCLUDE_DIR}/SDL_ttf.h")
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file(STRINGS "${SDL_TTF_INCLUDE_DIR}/SDL_ttf.h" SDL_TTF_VERSION_MAJOR_LINE REGEX "^#define[ \t]+SDL_TTF_MAJOR_VERSION[ \t]+[0-9]+$")
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file(STRINGS "${SDL_TTF_INCLUDE_DIR}/SDL_ttf.h" SDL_TTF_VERSION_MINOR_LINE REGEX "^#define[ \t]+SDL_TTF_MINOR_VERSION[ \t]+[0-9]+$")
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file(STRINGS "${SDL_TTF_INCLUDE_DIR}/SDL_ttf.h" SDL_TTF_VERSION_PATCH_LINE REGEX "^#define[ \t]+SDL_TTF_PATCHLEVEL[ \t]+[0-9]+$")
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string(REGEX REPLACE "^#define[ \t]+SDL_TTF_MAJOR_VERSION[ \t]+([0-9]+)$" "\\1" SDL_TTF_VERSION_MAJOR "${SDL_TTF_VERSION_MAJOR_LINE}")
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string(REGEX REPLACE "^#define[ \t]+SDL_TTF_MINOR_VERSION[ \t]+([0-9]+)$" "\\1" SDL_TTF_VERSION_MINOR "${SDL_TTF_VERSION_MINOR_LINE}")
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string(REGEX REPLACE "^#define[ \t]+SDL_TTF_PATCHLEVEL[ \t]+([0-9]+)$" "\\1" SDL_TTF_VERSION_PATCH "${SDL_TTF_VERSION_PATCH_LINE}")
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set(SDL_TTF_VERSION_STRING ${SDL_TTF_VERSION_MAJOR}.${SDL_TTF_VERSION_MINOR}.${SDL_TTF_VERSION_PATCH})
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unset(SDL_TTF_VERSION_MAJOR_LINE)
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unset(SDL_TTF_VERSION_MINOR_LINE)
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unset(SDL_TTF_VERSION_PATCH_LINE)
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unset(SDL_TTF_VERSION_MAJOR)
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unset(SDL_TTF_VERSION_MINOR)
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unset(SDL_TTF_VERSION_PATCH)
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# Read SDL2_ttf version
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if(SDL2_TTF_INCLUDE_DIR AND EXISTS "${SDL2_TTF_INCLUDE_DIR}/SDL_ttf.h")
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file(STRINGS "${SDL2_TTF_INCLUDE_DIR}/SDL_ttf.h" SDL2_TTF_VERSION_MAJOR_LINE REGEX "^#define[ \t]+SDL_TTF_MAJOR_VERSION[ \t]+[0-9]+$")
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file(STRINGS "${SDL2_TTF_INCLUDE_DIR}/SDL_ttf.h" SDL2_TTF_VERSION_MINOR_LINE REGEX "^#define[ \t]+SDL_TTF_MINOR_VERSION[ \t]+[0-9]+$")
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file(STRINGS "${SDL2_TTF_INCLUDE_DIR}/SDL_ttf.h" SDL2_TTF_VERSION_PATCH_LINE REGEX "^#define[ \t]+SDL_TTF_PATCHLEVEL[ \t]+[0-9]+$")
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string(REGEX REPLACE "^#define[ \t]+SDL_TTF_MAJOR_VERSION[ \t]+([0-9]+)$" "\\1" SDL2_TTF_VERSION_MAJOR "${SDL2_TTF_VERSION_MAJOR_LINE}")
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string(REGEX REPLACE "^#define[ \t]+SDL_TTF_MINOR_VERSION[ \t]+([0-9]+)$" "\\1" SDL2_TTF_VERSION_MINOR "${SDL2_TTF_VERSION_MINOR_LINE}")
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string(REGEX REPLACE "^#define[ \t]+SDL_TTF_PATCHLEVEL[ \t]+([0-9]+)$" "\\1" SDL2_TTF_VERSION_PATCH "${SDL2_TTF_VERSION_PATCH_LINE}")
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set(SDL2_TTF_VERSION_STRING ${SDL2_TTF_VERSION_MAJOR}.${SDL2_TTF_VERSION_MINOR}.${SDL2_TTF_VERSION_PATCH})
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unset(SDL2_TTF_VERSION_MAJOR_LINE)
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unset(SDL2_TTF_VERSION_MINOR_LINE)
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unset(SDL2_TTF_VERSION_PATCH_LINE)
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unset(SDL2_TTF_VERSION_MAJOR)
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unset(SDL2_TTF_VERSION_MINOR)
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unset(SDL2_TTF_VERSION_PATCH)
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endif()
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set(SDL_TTF_LIBRARIES ${SDL_TTF_LIBRARY})
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set(SDL_TTF_INCLUDE_DIRS ${SDL_TTF_INCLUDE_DIR})
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set(SDL2_TTF_LIBRARIES ${SDL2_TTF_LIBRARY})
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set(SDL2_TTF_INCLUDE_DIRS ${SDL2_TTF_INCLUDE_DIR})
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include(${CMAKE_CURRENT_LIST_DIR}/FindPackageHandleStandardArgs.cmake)
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FIND_PACKAGE_HANDLE_STANDARD_ARGS(SDL_ttf
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REQUIRED_VARS SDL_TTF_LIBRARIES SDL_TTF_INCLUDE_DIRS
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VERSION_VAR SDL_TTF_VERSION_STRING)
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FIND_PACKAGE_HANDLE_STANDARD_ARGS(SDL2_ttf
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REQUIRED_VARS SDL2_TTF_LIBRARIES SDL2_TTF_INCLUDE_DIRS
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VERSION_VAR SDL2_TTF_VERSION_STRING)
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# for backward compatibility
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set(SDLTTF_LIBRARY ${SDL_TTF_LIBRARIES})
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set(SDLTTF_INCLUDE_DIR ${SDL_TTF_INCLUDE_DIRS})
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set(SDLTTF_FOUND ${SDL_TTF_FOUND})
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mark_as_advanced(SDL_TTF_LIBRARY SDL_TTF_INCLUDE_DIR)
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mark_as_advanced(SDL2_TTF_PATH
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SDL2_TTF_NO_DEFAULT_PATH
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SDL2_TTF_LIBRARY
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SDL2_TTF_INCLUDE_DIR)
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