LIB_GETHRXTIME=
if test $ac_cv_have_decl_gethrtime = no \
|| test $gl_cv_arithmetic_hrtime_t = no; then
dnl Find libraries needed to link lib/gethrxtime.c.
AC_REQUIRE([gl_CLOCK_TIME])
AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])
LIB_GETHRXTIME=
if test $ac_cv_have_decl_gethrtime = no \
|| test $gl_cv_arithmetic_hrtime_t = no; then
dnl Find libraries needed to link lib/gethrxtime.c.
AC_REQUIRE([gl_CLOCK_TIME])
AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])