[gl_have_func=no # yes means we've found a way to get the load average.
# Make sure getloadavg.c is where it belongs, at configure-time.
-ls -L "$srcdir/$1/getloadavg.c" >/dev/null ||
+test -f "$srcdir/$1/getloadavg.c" ||
AC_MSG_ERROR([$srcdir/$1/getloadavg.c is missing])
gl_save_LIBS=$LIBS