Remove help option for cpumining in build environment.
diff --git a/configure.ac b/configure.ac
index 495e54a..441dfb1 100644
--- a/configure.ac
+++ b/configure.ac
@@ -119,10 +119,7 @@ fi
cpumining="no"
-AC_ARG_ENABLE([cpumining],
- [AC_HELP_STRING([--enable-cpumining],[Build with cpu mining support(default disabled)])],
- [cpumining=$enableval]
- )
+AC_ARG_ENABLE([cpumining],,[cpumining=$enableval] )
if test "x$cpumining" = xyes; then
AC_DEFINE_UNQUOTED([WANT_CPUMINE], [1], [Enable CPUMINING])
fi