diff options
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac index d287e01..ba6014e 100644 --- a/configure.ac +++ b/configure.ac @@ -45,6 +45,30 @@ AC_SUBST(lt_major) AC_SUBST(lt_revision) AC_SUBST(lt_age) +# timerfd +AC_CHECK_HEADER([sys/timerfd.h], [timerfd_h=1], [timerfd_h=0]) +AC_ARG_ENABLE([timerfd], + [AS_HELP_STRING([--enable-timerfd], + [use timerfd for timing (default auto)])], + [use_timerfd=$enableval], [use_timerfd='auto']) + +if test "x$use_timerfd" = "xyes" -a "x$timerfd_h" = "x0"; then + AC_MSG_ERROR([timerfd header not available; glibc 2.8+ required]) +error +fi + +AC_MSG_CHECKING([whether to use timerfd for timing]) +if test "x$use_timerfd" = "xno"; then + AC_MSG_RESULT([no (disabled by user)]) +else + if test "x$timerfd_h" = "x1"; then + AC_MSG_RESULT([yes]) + AC_DEFINE(USBI_TIMERFD_AVAILABLE, [], [timerfd headers available]) + else + AC_MSG_RESULT([no (header not available)]) + fi +fi + # Message logging AC_ARG_ENABLE([log], [AS_HELP_STRING([--disable-log], [disable all logging])], [log_enabled=$enableval], |