prism/extern/CMakeLists.txt

set(CMAKE_FOLDER "External")
include(FetchContent)

FetchContent_Declare(
        bullet
        GIT_REPOSITORY https://github.com/bulletphysics/bullet3.git
        GIT_TAG 2.89
        CMAKE_ARGS "-Wno-dev"
        PATCH_COMMAND git apply --ignore-space-change --ignore-whitespace ${CMAKE_CURRENT_SOURCE_DIR}/fix_bullet_cmake_version.patch
)

FetchContent_Declare(
        spirv-cross
        GIT_REPOSITORY https://github.com/KhronosGroup/SPIRV-Cross.git
        GIT_TAG MoltenVK-1.1.5
)

FetchContent_Declare(
        glslang
        GIT_REPOSITORY https://github.com/KhronosGroup/glslang.git
        GIT_TAG df609a01b386001e367709086c58529c48028d1e # taken from https://github.com/KhronosGroup/SPIRV-Cross/blob/2021-01-15/checkout_glslang_spirv_tools.sh#L3
)

# bullet
set(BUILD_BULLET3 OFF CACHE BOOL "" FORCE)
set(BUILD_BULLET3_DEMOS OFF CACHE BOOL "" FORCE)
set(BUILD_BULLET2_DEMOS OFF CACHE BOOL "" FORCE)
set(BUILD_CPU_DEMOS OFF CACHE BOOL "" FORCE)
set(USE_GRAPHICAL_BENCHMARK OFF CACHE BOOL "" FORCE)
set(BUILD_EXTRAS OFF CACHE BOOL "" FORCE)
set(INSTALL_LIBS OFF CACHE BOOL "" FORCE)

# spirv-cross
set(BUILD_UNIT_TESTS OFF CACHE BOOL "" FORCE)
set(SPIRV_CROSS_SKIP_INSTALL ON CACHE BOOL "" FORCE)
set(BUILD_EXTERNAL OFF CACHE BOOL "" FORCE)
set(SPIRV_CROSS_CLI OFF CACHE BOOL "" FORCE)
set(SPIRV_CROSS_ENABLE_TESTS OFF CACHE BOOL "" FORCE)
set(SPIRV_CROSS_ENABLE_HLSL OFF CACHE BOOL "" FORCE)
set(SPIRV_CROSS_ENABLE_CPP OFF CACHE BOOL "" FORCE)
set(SPIRV_CROSS_ENABLE_REFLECT OFF CACHE BOOL "" FORCE)
set(SPIRV_CROSS_ENABLE_C_API OFF CACHE BOOL "" FORCE)
set(SPIRV_CROSS_ENABLE_UTIL OFF CACHE BOOL "" FORCE)

# glslang
set(BUILD_SHARED_LIBS OFF CACHE BOOL "" FORCE)
set(BUILD_EXTERNAL OFF CACHE BOOL "" FORCE)
set(ENABLE_GLSLANG_BINARIES OFF CACHE BOOL "" FORCE)
set(USE_MSVC_RUNTIME_LIBRARY_DLL ON CACHE BOOL "" FORCE)
set(ENABLE_GLSLANG_INSTALL OFF CACHE BOOL "" FORCE)
set(ENABLE_CTEST OFF CACHE BOOL "" FORCE)

set(CMAKE_PROJECT_BULLET_PHYSICS_INCLUDE_BEFORE ${CMAKE_CURRENT_SOURCE_DIR}/fix_bad_cmake_dev.cmake)
FetchContent_MakeAvailable(bullet)
FetchContent_MakeAvailable(spirv-cross)
FetchContent_MakeAvailable(glslang)

set(OPUS_INSTALL_CMAKE_CONFIG_MODULE OFF CACHE BOOL "" FORCE)
set(BUILD_TESTING OFF CACHE BOOL "" FORCE)

add_subdirectory(stb)
add_subdirectory(imgui)
add_subdirectory(magic_enum)
add_subdirectory(smaa)
add_subdirectory(doctest)

FetchContent_Declare(json
        GIT_REPOSITORY https://github.com/ArthurSonzogni/nlohmann_json_cmake_fetchcontent.git
        GIT_TAG v3.9.1)

FetchContent_GetProperties(json)
if (NOT json_POPULATED)
    FetchContent_Populate(json)
    add_subdirectory(${json_SOURCE_DIR} ${json_BINARY_DIR} EXCLUDE_FROM_ALL)
endif ()

if (NOT ENABLE_IOS AND NOT ENABLE_TVOS)
    add_subdirectory(ogg)
    add_subdirectory(opus)

    add_library(opusfile
            opusfile/src/opusfile.c
            opusfile/src/info.c
            opusfile/src/internal.c
            opusfile/src/stream.c)
    target_include_directories(opusfile
            PUBLIC
            opusfile/include)
    target_link_libraries(opusfile
            PUBLIC
            ogg
            opus)
endif ()

if (BUILD_TOOLS)
    set(ASSIMP_IMPORTER_GLTF_USE_OPEN3DGC OFF CACHE BOOL "" FORCE)
    set(BUILD_SHARED_LIBS OFF CACHE BOOL "" FORCE)
    set(ASSIMP_NO_EXPORT ON CACHE BOOL "" FORCE)
    set(ASSIMP_BUILD_SAMPLES OFF CACHE BOOL "" FORCE)
    set(ASSIMP_INSTALL OFF CACHE BOOL "" FORCE)
    set(ASSIMP_BUILD_ZLIB OFF CACHE BOOL "" FORCE)
    set(ASSIMP_BUILD_TESTS OFF CACHE BOOL "" FORCE)
    set(ASSIMP_BUILD_ASSIMP_TOOLS OFF CACHE BOOL "" FORCE)

    add_subdirectory(assimp)
endif ()

FetchContent_Declare(
        fmt
        GIT_REPOSITORY https://github.com/fmtlib/fmt
        GIT_TAG 8.0.1
)

FetchContent_MakeAvailable(fmt)

if (ENABLE_METAL)
    add_subdirectory(metal-cpp)
endif ()