libwebm: init at 1.0.0.31

diff --git a/CMakeLists.txt b/CMakeLists.txt

index b0089ee..eb1b1c6 100644

--- a/CMakeLists.txt

+++ b/CMakeLists.txt

@@ -459,13 +459,20 @@ endif()

 # webm_parser headers are rooted at webm/.

 set_target_properties(webm PROPERTIES PUBLIC_HEADER

                                       "${webm_parser_public_headers}")

+target_include_directories(webm INTERFACE $<INSTALL_INTERFACE:include/webm>)

 install(

   TARGETS webm

+  EXPORT webmConfig

   ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}

   LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}

   RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}

   PUBLIC_HEADER DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/webm)

+install(EXPORT webmConfig

+  FILE webmConfig.cmake

+  NAMESPACE webm::

+  DESTINATION lib/cmake/webm)

+

 # Install common headers into a subdirectory to avoid breaking nested includes.

 install(FILES ${libwebm_common_public_headers}

         DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/webm/common)

{

  lib,

  stdenv,

  fetchFromGitHub,

  cmake,

  nix-update-script,

}:

stdenv.mkDerivation (finalAttrs: {

  pname = "libwebm";

  version = "1.0.0.31";

  src = fetchFromGitHub {

    owner = "webmproject";

    repo = "libwebm";

    rev = "refs/tags/libwebm-${finalAttrs.version}";

    hash = "sha256-+ayX33rcX/jkewsW8WrGalTe9X44qFBHOrIYTteOQzc=";

  };

  patches = [

    # libwebm does not generate cmake exports by default,

    # which are necessary to find and use it as build-dependency

    # in other packages

    ./0001-cmake-exports.patch

  ];

  nativeBuildInputs = [

    cmake

  ];

  outputs = [

    "dev"

    "out"

  ];

  cmakeFlags = [

    "-DBUILD_SHARED_LIBS=ON"

  ];

  passthru.updateScript = nix-update-script { };

  meta = {

    description = "WebM file parser";

    homepage = "https://www.webmproject.org/code/";

    license = lib.licenses.bsd3;

    maintainers = with lib.maintainers; [ niklaskorz ];

    platforms = lib.platforms.all;

  };

})