diff options
| -rw-r--r-- | configure.ac | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/configure.ac b/configure.ac index 952c55327..b43bd1b8f 100644 --- a/configure.ac +++ b/configure.ac @@ -2084,10 +2084,14 @@ dnl --------------------------------------------- dnl ASM ALIGN is power of two ? dnl Used by internal FFmpeg and Planar postprocess dnl --------------------------------------------- -AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[ asm (".align 3"); ]])],[ - AC_DEFINE([ASMALIGN(ZEROBITS)], [".align " #ZEROBITS "\n\t"], "asmalign power of two") -],[ - AC_DEFINE([ASMALIGN(ZEROBITS)], [".align 1<<" #ZEROBITS "\n\t"], "asmalign power of two") +AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[ asm (".align 3"); ]])], + AC_DEFINE([ASMALIGN_1SLN], [1], [define if '.align n' means alignment to (1<<n)-byte boundaries]), + :) +AH_BOTTOM([#ifdef ASMALIGN_1SLN +# define ASMALIGN(ZEROBITS) ".align " #ZEROBITS "\n\t" +#else +# define ASMALIGN(ZEROBITS) ".align 1<<" #ZEROBITS "\n\t" +#endif ]) dnl --------------------------------------------- |