initial commit

cmake/libraries/ogg.cmake

@@ -0,0 +1,24 @@
+if(PROJECT_ENABLE_OGG)
+  if(PROJECT_BUILD)
+    add_definitions(-DPROJECT_ENABLE_OGG)
+
+    find_package(Ogg ${OGG_VERSION} REQUIRED)
+
+    include_directories(BEFORE SYSTEM ${OGG_INCLUDE_DIRS})
+
+    link_libraries(Ogg::ogg)
+  elseif(NOT PROJECT_IS_MINGW)
+    ExternalProject_Add(ogg_project
+      PREFIX external
+      URL ${PROJECT_3RD_PARTY_DIR}/ogg-v${OGG_VERSION}.tar.gz
+      URL_HASH SHA256=${OGG_HASH}
+      LIST_SEPARATOR |
+      CMAKE_ARGS ${PROJECT_EXTERNAL_CMAKE_FLAGS}
+        -DBUILD_SHARED_LIBS=${PROJECT_BUILD_SHARED_LIBS}
+        -DBUILD_STATIC_LIBS=ON
+        -DCMAKE_OSX_ARCHITECTURES=${CMAKE_OSX_ARCHITECTURES}
+    )
+
+    list(APPEND PROJECT_DEPENDENCIES ogg_project)
+  endif()
+endif()