| diff --git a/configure.ac b/configure.ac | |
| index 09ee123..b7b5908 100644 | |
| --- a/configure.ac | |
| +++ b/configure.ac | |
| @@ -7,8 +7,8 @@ m4_ifdef([AC_USE_SYSTEM_EXTENSIONS], | |
| [AC_USE_SYSTEM_EXTENSIONS], | |
| [AC_GNU_SOURCE]) | |
| -AC_PROG_CC_C89 | |
| -for flag in -std=c89 -Wall -Wextra; do | |
| +AC_PROG_CC_C99 | |
| +for flag in -Wall -Wextra; do | |
| AC_TRY_COMPILE([], [return 0;], [CFLAGS="$CFLAGS $flag"],) | |
| done | |