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CMakeLists.txt

CMakeLists.txt 1.6 KB
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  1. cmake_minimum_required(VERSION 3.24...3.28)
    2. 

  2. project(cxx_modules_deep_chain CXX)
    3. 

  3. 

  4. include("${CMAKE_SOURCE_DIR}/../cxx-modules-rules.cmake")
    5. 

  5. 

  6. if (CMAKE_CXX_COMPILER_ID MATCHES "Clang")
    7. 

  7.   include(CheckCompilerFlag)
    8. 

  8.   check_compiler_flag(CXX "-Wread-modules-implicitly" have_implicit_module_warning)
    9. 

  9.   if (have_implicit_module_warning)
    10. 

  10.     add_compile_options(-Werror=read-modules-implicitly)
    11. 

  11.   endif ()
    12. 

  12. endif ()
    13. 

  13. 

  14. add_library(a STATIC)
    15. 

  15. target_sources(a
    16. 

  16.   PUBLIC
    17. 

  17.     FILE_SET CXX_MODULES
    18. 

  18.       BASE_DIRS
    19. 

  19.         "${CMAKE_CURRENT_SOURCE_DIR}"
    20. 

  20.       FILES
    21. 

  21.         a.cxx)
    22. 

  22. target_compile_features(a PUBLIC cxx_std_20)
    23. 

  23. 

  24. add_library(b STATIC)
    25. 

  25. target_sources(b
    26. 

  26.   PUBLIC
    27. 

  27.     FILE_SET CXX_MODULES
    28. 

  28.       BASE_DIRS
    29. 

  29.         "${CMAKE_CURRENT_SOURCE_DIR}"
    30. 

  30.       FILES
    31. 

  31.         b.cxx)
    32. 

  32. target_compile_features(b PUBLIC cxx_std_20)
    33. 

  33. target_link_libraries(b PUBLIC a)
    34. 

  34. 

  35. add_library(c STATIC)
    36. 

  36. target_sources(c
    37. 

  37.   PUBLIC
    38. 

  38.     FILE_SET CXX_MODULES
    39. 

  39.       BASE_DIRS
    40. 

  40.         "${CMAKE_CURRENT_SOURCE_DIR}"
    41. 

  41.       FILES
    42. 

  42.         c.cxx)
    43. 

  43. target_compile_features(c PUBLIC cxx_std_20)
    44. 

  44. target_link_libraries(c PUBLIC b)
    45. 

  45. 

  46. add_library(d STATIC)
    47. 

  47. target_sources(d
    48. 

  48.   PUBLIC
    49. 

  49.     FILE_SET CXX_MODULES
    50. 

  50.       BASE_DIRS
    51. 

  51.         "${CMAKE_CURRENT_SOURCE_DIR}"
    52. 

  52.       FILES
    53. 

  53.         d.cxx)
    54. 

  54. target_compile_features(d PUBLIC cxx_std_20)
    55. 

  55. target_link_libraries(d PUBLIC c)
    56. 

  56. 

  57. add_library(e STATIC)
    58. 

  58. target_sources(e
    59. 

  59.   PUBLIC
    60. 

  60.     FILE_SET CXX_MODULES
    61. 

  61.       BASE_DIRS
    62. 

  62.         "${CMAKE_CURRENT_SOURCE_DIR}"
    63. 

  63.       FILES
    64. 

  64.         e.cxx)
    65. 

  65. target_compile_features(e PUBLIC cxx_std_20)
    66. 

  66. target_link_libraries(e PUBLIC d)
    67. 

  67. 

  68. add_executable(exe)
    69. 

  69. target_link_libraries(exe PRIVATE e)
    70. 

  70. target_sources(exe
    71. 

  71.   PRIVATE
    72. 

  72.     main.cxx)
    73. 

  73. 

  74. add_test(NAME exe COMMAND exe)
    75.