SDL3Config.cmake 4.6 KB

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  1. # SDL CMake configuration file:
  2. # This file is meant to be placed in lib/cmake/SDL3 subfolder of a reconstructed Android SDL3 SDK
  3. cmake_minimum_required(VERSION 3.0...3.28)
  4. include(FeatureSummary)
  5. set_package_properties(SDL3 PROPERTIES
  6. URL "https://www.libsdl.org/"
  7. DESCRIPTION "low level access to audio, keyboard, mouse, joystick, and graphics hardware"
  8. )
  9. # Copied from `configure_package_config_file`
  10. macro(set_and_check _var _file)
  11. set(${_var} "${_file}")
  12. if(NOT EXISTS "${_file}")
  13. message(FATAL_ERROR "File or directory ${_file} referenced by variable ${_var} does not exist !")
  14. endif()
  15. endmacro()
  16. # Copied from `configure_package_config_file`
  17. macro(check_required_components _NAME)
  18. foreach(comp ${${_NAME}_FIND_COMPONENTS})
  19. if(NOT ${_NAME}_${comp}_FOUND)
  20. if(${_NAME}_FIND_REQUIRED_${comp})
  21. set(${_NAME}_FOUND FALSE)
  22. endif()
  23. endif()
  24. endforeach()
  25. endmacro()
  26. set(SDL3_FOUND TRUE)
  27. if(SDL_CPU_X86)
  28. set(_sdl_arch_subdir "x86")
  29. elseif(SDL_CPU_X64)
  30. set(_sdl_arch_subdir "x86_64")
  31. elseif(SDL_CPU_ARM32)
  32. set(_sdl_arch_subdir "armeabi-v7a")
  33. elseif(SDL_CPU_ARM64)
  34. set(_sdl_arch_subdir "arm64-v8a")
  35. else()
  36. set(SDL3_FOUND FALSE)
  37. return()
  38. endif()
  39. get_filename_component(_sdl3_prefix "${CMAKE_CURRENT_LIST_DIR}/.." ABSOLUTE)
  40. get_filename_component(_sdl3_prefix "${_sdl3_prefix}/.." ABSOLUTE)
  41. get_filename_component(_sdl3_prefix "${_sdl3_prefix}/.." ABSOLUTE)
  42. set_and_check(_sdl3_prefix "${_sdl3_prefix}")
  43. set_and_check(_sdl3_include_dirs "${_sdl3_prefix}/include")
  44. set_and_check(_sdl3_lib "${_sdl3_prefix}/lib/${_sdl_arch_subdir}/libSDL3.so")
  45. set_and_check(_sdl3test_lib "${_sdl3_prefix}/lib/${_sdl_arch_subdir}/libSDL3_test.a")
  46. set_and_check(_sdl3_jar "${_sdl3_prefix}/share/java/SDL3/SDL3-${SDL3_VERSION}.jar")
  47. unset(_sdl_arch_subdir)
  48. unset(_sdl3_prefix)
  49. # All targets are created, even when some might not be requested though COMPONENTS.
  50. # This is done for compatibility with CMake generated SDL3-target.cmake files.
  51. if(NOT TARGET SDL3::Headers)
  52. add_library(SDL3::Headers INTERFACE IMPORTED)
  53. set_target_properties(SDL3::Headers
  54. PROPERTIES
  55. INTERFACE_INCLUDE_DIRECTORIES "${_sdl3_include_dirs}"
  56. )
  57. endif()
  58. set(SDL3_Headers_FOUND TRUE)
  59. unset(_sdl3_include_dirs)
  60. if(EXISTS "${_sdl3_lib}")
  61. if(NOT TARGET SDL3::SDL3-shared)
  62. add_library(SDL3::SDL3-shared SHARED IMPORTED)
  63. set_target_properties(SDL3::SDL3-shared
  64. PROPERTIES
  65. INTERFACE_LINK_LIBRARIES "SDL3::Headers"
  66. IMPORTED_LOCATION "${_sdl3_lib}"
  67. COMPATIBLE_INTERFACE_BOOL "SDL3_SHARED"
  68. INTERFACE_SDL3_SHARED "ON"
  69. COMPATIBLE_INTERFACE_STRING "SDL_VERSION"
  70. INTERFACE_SDL_VERSION "SDL3"
  71. )
  72. endif()
  73. set(SDL3_SDL3-shared_FOUND TRUE)
  74. else()
  75. set(SDL3_SDL3-shared_FOUND FALSE)
  76. endif()
  77. unset(_sdl3_lib)
  78. set(SDL3_SDL3-static_FOUND FALSE)
  79. if(EXISTS "${_sdl3test_lib}")
  80. if(NOT TARGET SDL3::SDL3_test)
  81. add_library(SDL3::SDL3_test STATIC IMPORTED)
  82. set_target_properties(SDL3::SDL3_test
  83. PROPERTIES
  84. INTERFACE_LINK_LIBRARIES "SDL3::Headers"
  85. IMPORTED_LOCATION "${_sdl3test_lib}"
  86. COMPATIBLE_INTERFACE_STRING "SDL_VERSION"
  87. INTERFACE_SDL_VERSION "SDL3"
  88. )
  89. endif()
  90. set(SDL3_SDL3_test_FOUND TRUE)
  91. else()
  92. set(SDL3_SDL3_test_FOUND FALSE)
  93. endif()
  94. unset(_sdl3test_lib)
  95. if(SDL3_SDL3-shared_FOUND)
  96. set(SDL3_SDL3_FOUND TRUE)
  97. endif()
  98. function(_sdl_create_target_alias_compat NEW_TARGET TARGET)
  99. if(CMAKE_VERSION VERSION_LESS "3.18")
  100. # Aliasing local targets is not supported on CMake < 3.18, so make it global.
  101. add_library(${NEW_TARGET} INTERFACE IMPORTED)
  102. set_target_properties(${NEW_TARGET} PROPERTIES INTERFACE_LINK_LIBRARIES "${TARGET}")
  103. else()
  104. add_library(${NEW_TARGET} ALIAS ${TARGET})
  105. endif()
  106. endfunction()
  107. # Make sure SDL3::SDL3 always exists
  108. if(NOT TARGET SDL3::SDL3)
  109. if(TARGET SDL3::SDL3-shared)
  110. _sdl_create_target_alias_compat(SDL3::SDL3 SDL3::SDL3-shared)
  111. endif()
  112. endif()
  113. if(EXISTS "${_sdl3_jar}")
  114. if(NOT TARGET SDL3::Jar)
  115. add_library(SDL3::Jar INTERFACE IMPORTED)
  116. set_property(TARGET SDL3::Jar PROPERTY JAR_FILE "${_sdl3_jar}")
  117. endif()
  118. set(SDL3_Jar_FOUND TRUE)
  119. else()
  120. set(SDL3_Jar_FOUND FALSE)
  121. endif()
  122. unset(_sdl3_jar)
  123. check_required_components(SDL3)
  124. set(SDL3_LIBRARIES SDL3::SDL3)
  125. set(SDL3_STATIC_LIBRARIES SDL3::SDL3-static)
  126. set(SDL3_STATIC_PRIVATE_LIBS)
  127. set(SDL3TEST_LIBRARY SDL3::SDL3_test)