Merge pull request mixxxdj#3226 from uklotzde/libkeyfinder_bundled

Download libKeyFinder before build

CMakeLists.txt

@@ -1530,10 +1530,11 @@ if(KEYFINDER)
     find_package(FFTW REQUIRED)
     set(KeyFinder_INSTALL_DIR "${CMAKE_CURRENT_BINARY_DIR}/lib/keyfinder-install")
     set(KeyFinder_LIBRARY "lib/${CMAKE_STATIC_LIBRARY_PREFIX}keyfinder${CMAKE_STATIC_LIBRARY_SUFFIX}")
-    ExternalProject_Add(keyfinder
-      GIT_REPOSITORY https://github.com/ibsh/libKeyFinder.git
-      GIT_TAG v2.2.2
-      GIT_SHALLOW TRUE
+    file(MAKE_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/download")
+    ExternalProject_Add(libKeyFinder
+      URL "https://github.com/ibsh/libKeyFinder/archive/v2.2.2.zip"
+      URL_HASH SHA256=f04ff63c9710d969e79b71bde18abd720e886f537951a1045cc50cb497a72492
+      DOWNLOAD_DIR "${CMAKE_CURRENT_BINARY_DIR}/download/libKeyFinder"
       INSTALL_DIR "${KeyFinder_INSTALL_DIR}"
       CMAKE_ARGS
         -DBUILD_STATIC_LIBS=ON
@@ -1557,7 +1558,7 @@ if(KEYFINDER)
     file(MAKE_DIRECTORY "${KeyFinder_INSTALL_DIR}/include")
 
     add_library(mixxx-keyfinder STATIC IMPORTED)
-    add_dependencies(mixxx-keyfinder keyfinder)
+    add_dependencies(mixxx-keyfinder libKeyFinder)
     set_target_properties(mixxx-keyfinder PROPERTIES IMPORTED_LOCATION "${KeyFinder_INSTALL_DIR}/${KeyFinder_LIBRARY}")
     target_link_libraries(mixxx-keyfinder INTERFACE FFTW::FFTW)
     target_include_directories(mixxx-keyfinder INTERFACE "${KeyFinder_INSTALL_DIR}/include")