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path: root/llvm/cmake/modules/Findzstd.cmake
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# Try to find the zstd library
#
# If successful, the following variables will be defined:
# zstd_INCLUDE_DIR
# zstd_LIBRARY
# zstd_FOUND
#
# Additionally, one of the following import targets will be defined:
# zstd::libzstd_shared
# zstd::libzstd_static

if(MSVC)
  set(zstd_SHARED_LIBRARY_SUFFIX "\\${CMAKE_LINK_LIBRARY_SUFFIX}$")
  set(zstd_STATIC_LIBRARY_SUFFIX "_static\\${CMAKE_STATIC_LIBRARY_SUFFIX}$")
else()
  set(zstd_SHARED_LIBRARY_SUFFIX "\\${CMAKE_SHARED_LIBRARY_SUFFIX}$")
  set(zstd_STATIC_LIBRARY_SUFFIX "\\${CMAKE_STATIC_LIBRARY_SUFFIX}$")
endif()

find_path(zstd_INCLUDE_DIR NAMES zstd.h)
find_library(zstd_LIBRARY NAMES zstd zstd_static)

include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(
    zstd DEFAULT_MSG
    zstd_LIBRARY zstd_INCLUDE_DIR
)

if(zstd_FOUND)
  if(zstd_LIBRARY MATCHES "${zstd_SHARED_LIBRARY_SUFFIX}$" AND
     NOT TARGET zstd::libzstd_shared)
    add_library(zstd::libzstd_shared SHARED IMPORTED)
    set_target_properties(zstd::libzstd_shared PROPERTIES
          INTERFACE_INCLUDE_DIRECTORIES "${zstd_INCLUDE_DIR}"
          IMPORTED_LOCATION "${zstd_LIBRARY}")
  endif()
  if(zstd_LIBRARY MATCHES "${zstd_STATIC_LIBRARY_SUFFIX}$" AND
     NOT TARGET zstd::libzstd_static)
    add_library(zstd::libzstd_static STATIC IMPORTED)
    set_target_properties(zstd::libzstd_static PROPERTIES
        INTERFACE_INCLUDE_DIRECTORIES "${zstd_INCLUDE_DIR}"
        IMPORTED_LOCATION "${zstd_LIBRARY}")
  endif()
endif()

unset(zstd_SHARED_LIBRARY_SUFFIX)
unset(zstd_STATIC_LIBRARY_SUFFIX)

mark_as_advanced(zstd_INCLUDE_DIR zstd_LIBRARY)