AC_CACHE_CHECK([whether nanosleep works],
jm_cv_func_nanosleep_works,
AC_CACHE_CHECK([whether nanosleep works],
jm_cv_func_nanosleep_works,
jm_cv_func_nanosleep_works=yes,
jm_cv_func_nanosleep_works=no,
dnl When crosscompiling, assume the worst.
jm_cv_func_nanosleep_works=yes,
jm_cv_func_nanosleep_works=no,
dnl When crosscompiling, assume the worst.