1 files changed, 14 insertions, 0 deletions
diff --git a/c/src/aclocal.m4 b/c/src/aclocal.m4
index 57a47d1675..717dff3c25 100644
--- a/c/src/aclocal.m4
+++ b/c/src/aclocal.m4
@@ -44,6 +44,20 @@ fi
 AC_MSG_RESULT($RTEMS_VERSION)
 ])dnl
 
+dnl $Id$
+
+AC_DEFUN(RTEMS_ENABLE_CXX,
+[
+AC_ARG_ENABLE(cxx,
+[  --enable-cxx                         enable C++ support,]
+[                                       and build the rtems++ library],
+[case "${enableval}" in
+  yes) RTEMS_HAS_CPLUSPLUS=yes ;;
+  no) RTEMS_HAS_CPLUSPLUS=no   ;;
+  *)  AC_MSG_ERROR(bad value ${enableval} for enable-cxx option) ;;
+esac], [RTEMS_HAS_CPLUSPLUS=no])
+])
+
 dnl
 dnl $Id$
 dnl