Some old gnu assemblers fail to assemble qdadd correctly Ideally we should check this at build time, but better to check at run time than mysteriously failing.
Unified · Split
| @@ -35,6 +35,11 @@ unsigned avutil_version(void) · 34 unmodified lines | ||
| 35 | 35 | av_assert0(LIBAVUTIL_VERSION_MICRO >= 100); |
| 36 | 36 | av_assert0(HAVE_MMX2 == HAVE_MMXEXT); |
| 37 | 37 | |
| 38 | + if (av_sat_dadd32(1, 2) != 5) { | |
| 39 | + av_log(NULL, AV_LOG_FATAL, "Libavutil has been build with a broken binutils, please upgrade binutils and rebuild\n"); | |
| 40 | + abort(); | |
| 41 | + } | |
| 42 | + | |
| 38 | 43 | return LIBAVUTIL_VERSION_INT; |
| 39 | 44 | } |
| 40 | 45 | |