FindSDL_image.cmake 4.2 KB

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  1. #.rst:
  2. # FindSDL_image
  3. # -------------
  4. #
  5. # Locate SDL_image library
  6. #
  7. # This module defines:
  8. #
  9. # ::
  10. #
  11. # SDL_IMAGE_LIBRARIES, the name of the library to link against
  12. # SDL_IMAGE_INCLUDE_DIRS, where to find the headers
  13. # SDL_IMAGE_FOUND, if false, do not try to link against
  14. # SDL_IMAGE_VERSION_STRING - human-readable string containing the
  15. # version of SDL_image
  16. #
  17. #
  18. #
  19. # For backward compatibility the following variables are also set:
  20. #
  21. # ::
  22. #
  23. # SDLIMAGE_LIBRARY (same value as SDL_IMAGE_LIBRARIES)
  24. # SDLIMAGE_INCLUDE_DIR (same value as SDL_IMAGE_INCLUDE_DIRS)
  25. # SDLIMAGE_FOUND (same value as SDL_IMAGE_FOUND)
  26. #
  27. #
  28. #
  29. # $SDLDIR is an environment variable that would correspond to the
  30. # ./configure --prefix=$SDLDIR used in building SDL.
  31. #
  32. # Created by Eric Wing. This was influenced by the FindSDL.cmake
  33. # module, but with modifications to recognize OS X frameworks and
  34. # additional Unix paths (FreeBSD, etc).
  35. #=============================================================================
  36. # Copyright 2005-2009 Kitware, Inc.
  37. # Copyright 2012 Benjamin Eikel
  38. #
  39. # Distributed under the OSI-approved BSD License (the "License");
  40. # see accompanying file Copyright.txt for details.
  41. #
  42. # This software is distributed WITHOUT ANY WARRANTY; without even the
  43. # implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  44. # See the License for more information.
  45. #=============================================================================
  46. # (To distribute this file outside of CMake, substitute the full
  47. # License text for the above reference.)
  48. if(NOT SDL_IMAGE_INCLUDE_DIR AND SDLIMAGE_INCLUDE_DIR)
  49. set(SDL_IMAGE_INCLUDE_DIR ${SDLIMAGE_INCLUDE_DIR} CACHE PATH "directory cache
  50. entry initialized from old variable name")
  51. endif()
  52. find_path(SDL_IMAGE_INCLUDE_DIR SDL_image.h
  53. HINTS
  54. ENV SDLIMAGEDIR
  55. ENV SDLDIR
  56. PATH_SUFFIXES SDL
  57. # path suffixes to search inside ENV{SDLDIR}
  58. include/SDL include/SDL12 include/SDL11 include
  59. )
  60. if(CMAKE_SIZEOF_VOID_P EQUAL 8)
  61. set(VC_LIB_PATH_SUFFIX lib/x64)
  62. else()
  63. set(VC_LIB_PATH_SUFFIX lib/x86)
  64. endif()
  65. if(NOT SDL_IMAGE_LIBRARY AND SDLIMAGE_LIBRARY)
  66. set(SDL_IMAGE_LIBRARY ${SDLIMAGE_LIBRARY} CACHE FILEPATH "file cache entry
  67. initialized from old variable name")
  68. endif()
  69. find_library(SDL_IMAGE_LIBRARY
  70. NAMES SDL_image
  71. HINTS
  72. ENV SDLIMAGEDIR
  73. ENV SDLDIR
  74. PATH_SUFFIXES lib ${VC_LIB_PATH_SUFFIX}
  75. )
  76. if(SDL_IMAGE_INCLUDE_DIR AND EXISTS "${SDL_IMAGE_INCLUDE_DIR}/SDL_image.h")
  77. file(STRINGS "${SDL_IMAGE_INCLUDE_DIR}/SDL_image.h" SDL_IMAGE_VERSION_MAJOR_LINE REGEX "^#define[ \t]+SDL_IMAGE_MAJOR_VERSION[ \t]+[0-9]+$")
  78. file(STRINGS "${SDL_IMAGE_INCLUDE_DIR}/SDL_image.h" SDL_IMAGE_VERSION_MINOR_LINE REGEX "^#define[ \t]+SDL_IMAGE_MINOR_VERSION[ \t]+[0-9]+$")
  79. file(STRINGS "${SDL_IMAGE_INCLUDE_DIR}/SDL_image.h" SDL_IMAGE_VERSION_PATCH_LINE REGEX "^#define[ \t]+SDL_IMAGE_PATCHLEVEL[ \t]+[0-9]+$")
  80. string(REGEX REPLACE "^#define[ \t]+SDL_IMAGE_MAJOR_VERSION[ \t]+([0-9]+)$" "\\1" SDL_IMAGE_VERSION_MAJOR "${SDL_IMAGE_VERSION_MAJOR_LINE}")
  81. string(REGEX REPLACE "^#define[ \t]+SDL_IMAGE_MINOR_VERSION[ \t]+([0-9]+)$" "\\1" SDL_IMAGE_VERSION_MINOR "${SDL_IMAGE_VERSION_MINOR_LINE}")
  82. string(REGEX REPLACE "^#define[ \t]+SDL_IMAGE_PATCHLEVEL[ \t]+([0-9]+)$" "\\1" SDL_IMAGE_VERSION_PATCH "${SDL_IMAGE_VERSION_PATCH_LINE}")
  83. set(SDL_IMAGE_VERSION_STRING ${SDL_IMAGE_VERSION_MAJOR}.${SDL_IMAGE_VERSION_MINOR}.${SDL_IMAGE_VERSION_PATCH})
  84. unset(SDL_IMAGE_VERSION_MAJOR_LINE)
  85. unset(SDL_IMAGE_VERSION_MINOR_LINE)
  86. unset(SDL_IMAGE_VERSION_PATCH_LINE)
  87. unset(SDL_IMAGE_VERSION_MAJOR)
  88. unset(SDL_IMAGE_VERSION_MINOR)
  89. unset(SDL_IMAGE_VERSION_PATCH)
  90. endif()
  91. set(SDL_IMAGE_LIBRARIES ${SDL_IMAGE_LIBRARY})
  92. set(SDL_IMAGE_INCLUDE_DIRS ${SDL_IMAGE_INCLUDE_DIR})
  93. include(${CMAKE_CURRENT_LIST_DIR}/FindPackageHandleStandardArgs.cmake)
  94. FIND_PACKAGE_HANDLE_STANDARD_ARGS(SDL_image
  95. REQUIRED_VARS SDL_IMAGE_LIBRARIES SDL_IMAGE_INCLUDE_DIRS
  96. VERSION_VAR SDL_IMAGE_VERSION_STRING)
  97. # for backward compatibility
  98. set(SDLIMAGE_LIBRARY ${SDL_IMAGE_LIBRARIES})
  99. set(SDLIMAGE_INCLUDE_DIR ${SDL_IMAGE_INCLUDE_DIRS})
  100. set(SDLIMAGE_FOUND ${SDL_IMAGE_FOUND})
  101. mark_as_advanced(SDL_IMAGE_LIBRARY SDL_IMAGE_INCLUDE_DIR)