diff options
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac index 73c288495..1cd4f2453 100644 --- a/configure.ac +++ b/configure.ac @@ -697,6 +697,17 @@ AC_COMPILE_IFELSE( [AC_MSG_RESULT([no])] ) +AC_MSG_CHECKING([for __int128]) +AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM( + [[#include <sys/types.h>]], + [[__int128 x = 0; + return x;]])], + [AC_MSG_RESULT([yes]); + AC_DEFINE([HAVE_INT128], [], [have __int128 type support])], + [AC_MSG_RESULT([no])] +) + AC_MSG_CHECKING([for GCC __sync operations]) AC_RUN_IFELSE([AC_LANG_SOURCE( [[ |