libwebm: init at 1.0.0.31

pkgs/by-name/li/libwebm/0001-cmake-exports.patch

@@ -0,0 +1,25 @@
+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)

pkgs/by-name/li/libwebm/package.nix

@@ -0,0 +1,49 @@
+{
+  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;
+  };
+})