diff options
Diffstat (limited to 'src/osd/asio.h')
-rw-r--r-- | src/osd/asio.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/osd/asio.h b/src/osd/asio.h index 67efe07acda..1bcf610610f 100644 --- a/src/osd/asio.h +++ b/src/osd/asio.h @@ -17,6 +17,9 @@ #pragma GCC diagnostic ignored "-Wunused-variable" #endif +#if defined(WIN32) && !defined(_WIN32_WINNT) +#define _WIN32_WINNT 0x0501 +#endif #define ASIO_HEADER_ONLY #define ASIO_STANDALONE #define ASIO_SEPARATE_COMPILATION |