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include(ncine_helpers)
if(NOT TARGET Zstd)
if(NCINE_DOWNLOAD_DEPENDENCIES)
# Try to build `zstd` from source
set(ZSTD_URL "https://github.com/facebook/zstd/archive/refs/tags/v1.5.6.tar.gz")
message(STATUS "Downloading dependencies from \"${ZSTD_URL}\"...")
include(FetchContent)
FetchContent_Declare(
ZstdGit
DOWNLOAD_EXTRACT_TIMESTAMP TRUE
URL ${ZSTD_URL}
)
FetchContent_MakeAvailable(ZstdGit)
ncine_add_dependency(Zstd STATIC)
set(ZSTD_DIR "${zstdgit_SOURCE_DIR}/lib")
set(ZSTD_INCLUDE_DIR "${ZSTD_DIR}")
set_target_properties(Zstd PROPERTIES
INTERFACE_INCLUDE_DIRECTORIES ${ZSTD_INCLUDE_DIR})
if(MSVC)
target_compile_definitions(Zstd PRIVATE "_CRT_SECURE_NO_WARNINGS" "ZSTD_HEAPMODE=0")
endif()
file(GLOB CommonSources "${ZSTD_DIR}/common/*.c")
file(GLOB CompressSources "${ZSTD_DIR}/compress/*.c")
file(GLOB DecompressSources "${ZSTD_DIR}/decompress/*.c")
if (MSVC)
target_compile_definitions(Zstd PRIVATE "ZSTD_DISABLE_ASM")
else()
if(CMAKE_SYSTEM_PROCESSOR MATCHES "amd64.*|AMD64.*|x86_64.*|X86_64.*")
set(DecompressSources ${DecompressSources} "${ZSTD_DIR}/decompress/huf_decompress_amd64.S")
else()
target_compile_definitions(Zstd PRIVATE "ZSTD_DISABLE_ASM")
endif()
endif()
file(GLOB DictBuilderSources "${ZSTD_DIR}/dictBuilder/*.c")
file(GLOB DeprecatedSources "${ZSTD_DIR}/deprecated/*.c")
file(GLOB PublicHeaders "${ZSTD_DIR}/*.h")
file(GLOB CommonHeaders "${ZSTD_DIR}/common/*.h")
file(GLOB CompressHeaders "${ZSTD_DIR}/compress/*.h")
file(GLOB DecompressHeaders "${ZSTD_DIR}/decompress/*.h")
file(GLOB DictBuilderHeaders "${ZSTD_DIR}/dictBuilder/*.h")
file(GLOB DeprecatedHeaders "${ZSTD_DIR}/deprecated/*.h")
set(ZSTD_SOURCES ${CommonSources} ${CompressSources} ${DecompressSources})
set(ZSTD_HEADERS ${PublicHeaders} ${CommonHeaders} ${CompressHeaders} ${DecompressHeaders})
#if (ZSTD_BUILD_DICTBUILDER)
# set(ZSTD_SOURCES ${ZSTD_SOURCES} ${DictBuilderSources})
# set(ZSTD_HEADERS ${ZSTD_HEADERS} ${DictBuilderHeaders})
#endif()
#if (ZSTD_BUILD_DEPRECATED)
# set(ZSTD_SOURCES ${ZSTD_SOURCES} ${DeprecatedSources})
# set(ZSTD_HEADERS ${ZSTD_HEADERS} ${DeprecatedHeaders})
#endif()
if(NOT CMAKE_ASM_COMPILER STREQUAL CMAKE_C_COMPILER)
set_source_files_properties(${ZSTD_SOURCES} PROPERTIES LANGUAGE C)
endif()
ncine_assign_source_group(PATH_PREFIX ${ZSTD_DIR} FILES ${ZSTD_HEADERS} ${ZSTD_SOURCES} SKIP_EXTERNAL)
target_sources(Zstd PRIVATE ${ZSTD_SOURCES} ${ZSTD_HEADERS})
target_include_directories(Zstd PRIVATE ${ZSTD_INCLUDE_DIR})
set(ZSTD_FOUND TRUE)
set(ZSTD_STATIC TRUE)
mark_as_advanced(ZSTD_STATIC)
else()
find_package(PkgConfig REQUIRED)
pkg_check_modules(Zstd REQUIRED IMPORTED_TARGET libzstd)
if(TARGET PkgConfig::Zstd)
message(STATUS "Using Zstd from PkgConfig")
add_library(Zstd ALIAS PkgConfig::Zstd)
endif()
endif()
endif()
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