From 1a2df0a5f389643912c4719ac3f379fe8477e575 Mon Sep 17 00:00:00 2001
From: Jan Beich <jbeich@FreeBSD.org>
Date: Sat, 18 Apr 2020 23:26:19 +0000
Subject: [PATCH] cmake: Silence -Werror=implicit-fallthrough in SDL2 headers
In file included from src/input_common/sdl/sdl_impl.cpp:16:
In file included from /usr/local/include/SDL2/SDL.h:32:
In file included from /usr/local/include/SDL2/SDL_main.h:25:
/usr/local/include/SDL2/SDL_stdinc.h:445:9: error: unannotated fall-through between switch labels [-Werror,-Wimplicit-fallthrough]
case 3: *_p++ = _val; /* fallthrough */
^
/usr/local/include/SDL2/SDL_stdinc.h:445:9: note: insert '[[fallthrough]];' to silence this warning
case 3: *_p++ = _val; /* fallthrough */
^
[[fallthrough]];
/usr/local/include/SDL2/SDL_stdinc.h:445:9: note: insert 'break;' to avoid fall-through
case 3: *_p++ = _val; /* fallthrough */
^
break;
/usr/local/include/SDL2/SDL_stdinc.h:446:9: error: unannotated fall-through between switch labels [-Werror,-Wimplicit-fallthrough]
case 2: *_p++ = _val; /* fallthrough */
^
/usr/local/include/SDL2/SDL_stdinc.h:446:9: note: insert '[[fallthrough]];' to silence this warning
case 2: *_p++ = _val; /* fallthrough */
^
[[fallthrough]];
/usr/local/include/SDL2/SDL_stdinc.h:446:9: note: insert 'break;' to avoid fall-through
case 2: *_p++ = _val; /* fallthrough */
^
break;
/usr/local/include/SDL2/SDL_stdinc.h:447:9: error: unannotated fall-through between switch labels [-Werror,-Wimplicit-fallthrough]
case 1: *_p++ = _val; /* fallthrough */
^
/usr/local/include/SDL2/SDL_stdinc.h:447:9: note: insert '[[fallthrough]];' to silence this warning
case 1: *_p++ = _val; /* fallthrough */
^
[[fallthrough]];
/usr/local/include/SDL2/SDL_stdinc.h:447:9: note: insert 'break;' to avoid fall-through
case 1: *_p++ = _val; /* fallthrough */
^
break;
3 errors generated.
---
CMakeLists.txt | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 467d769a2d..c906c5a50f 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -164,7 +164,7 @@ if (ENABLE_SDL2)
set(SDL2_LIBRARIES "SDL2::SDL2")
endif()
- include_directories(${SDL2_INCLUDE_DIRS})
+ include_directories(SYSTEM ${SDL2_INCLUDE_DIRS})
add_library(SDL2 INTERFACE)
target_link_libraries(SDL2 INTERFACE "${SDL2_LIBRARIES}")
endif()