Avoid warnings on linux

Author: kunitoki

thirdparty/rive_renderer/rive_renderer.cpp

@@ -25,6 +25,10 @@
  #pragma clang diagnostic push
  #pragma clang diagnostic ignored "-Wshorten-64-to-32"
  #pragma clang diagnostic ignored "-Wattributes"
+#elif __GNUC__
+ #pragma GCC diagnostic push
+ #pragma GCC diagnostic ignored "-Wshorten-64-to-32"
+ #pragma GCC diagnostic ignored "-Wattributes"
 #endif
 
 #include "source/draw.cpp"
@@ -43,4 +47,6 @@
 
 #if __clang__
  #pragma clang diagnostic pop
+#elif __GNUC__
+ #pragma GCC diagnostic pop
 #endif

thirdparty/rive_renderer/rive_renderer_linux.cpp

@@ -25,6 +25,10 @@
  #pragma clang diagnostic push
  #pragma clang diagnostic ignored "-Wshorten-64-to-32"
  #pragma clang diagnostic ignored "-Wattributes"
+#elif __GNUC__
+ #pragma GCC diagnostic push
+ #pragma GCC diagnostic ignored "-Wshorten-64-to-32"
+ #pragma GCC diagnostic ignored "-Wattributes"
 #endif
 
 #include "source/gl/gl_state.cpp"
@@ -40,4 +44,6 @@
 
 #if __clang__
  #pragma clang diagnostic pop
+#elif __GNUC__
+ #pragma GCC diagnostic pop
 #endif