initial commit

cmake/libraries/flac.cmake

@@ -0,0 +1,31 @@
+if(PROJECT_ENABLE_FLAC)
+  if(PROJECT_BUILD)
+    add_definitions(-DPROJECT_ENABLE_FLAC)
+
+    find_package(FLAC ${FLAC_VERSION} REQUIRED)
+
+    include_directories(BEFORE SYSTEM ${FLAC_INCLUDE_DIRS})
+
+    link_libraries(FLAC::FLAC)
+  elseif(NOT PROJECT_IS_MINGW)
+    ExternalProject_Add(flac_project
+      PREFIX external
+      URL ${PROJECT_3RD_PARTY_DIR}/flac-${FLAC_VERSION}.tar.gz
+      URL_HASH SHA256=${FLAC_HASH}
+      LIST_SEPARATOR |
+      CMAKE_ARGS ${PROJECT_EXTERNAL_CMAKE_FLAGS}
+        -DBUILD_SHARED_LIBS=${PROJECT_BUILD_SHARED_LIBS}
+        -DBUILD_STATIC_LIBS=ON
+        -DBUILD_EXAMPLES=OFF
+        -DBUILD_PROGRAMS=OFF
+        -DBUILD_TESTING=OFF
+        -DBUILD_DOCS=OFF
+        -DCMAKE_OSX_ARCHITECTURES=${CMAKE_OSX_ARCHITECTURES}
+        -DINSTALL_MANPAGES=OFF
+    )
+
+    list(APPEND PROJECT_DEPENDENCIES flac_project)
+
+    add_dependencies(flac_project libiconv_project vorbis_project)
+  endif()
+endif()