[rtems commit] add --enable-paravirt to the configure options

[Gedare Bloom]

Module:    rtems
Branch:    master
Commit:    a9051de9e0ac83adc60c91a3b89dc286e17a4b60
Changeset: http://git.rtems.org/rtems/commit/?id=a9051de9e0ac83adc60c91a3b89dc286e17a4b60

Author:    Philipp Eppelt <philipp.eppelt at mailbox.tu-dresden.de>
Date:      Wed Nov 27 19:00:19 2013 +0100

add --enable-paravirt to the configure options

---

 aclocal/enable-paravirt.m4 |   17 +++++++++++++++++
 configure.ac               |    1 +
 2 files changed, 18 insertions(+), 0 deletions(-)

diff --git a/aclocal/enable-paravirt.m4 b/aclocal/enable-paravirt.m4
new file mode 100644
index 0000000..ff768f4
--- /dev/null
+++ b/aclocal/enable-paravirt.m4
@@ -0,0 +1,17 @@
+AC_DEFUN([RTEMS_ENABLE_PARAVIRT],
+[
+
+AC_ARG_ENABLE(paravirt,
+[AS_HELP_STRING([--enable-paravirt],[enable support for paravirtualization 
+(i386 only) (default=no) ])],
+
+[case "${enableval}" in 
+  yes) case "${RTEMS_CPU}" in
+         i386)	    RTEMS_HAS_PARAVIRT=yes ;;
+         *)         RTEMS_HAS_PARAVIRT=no ;;
+       esac
+       ;;
+  no) RTEMS_HAS_PARAVIRT=no ;;
+  *)  AC_MSG_ERROR(bad value ${enableval} for enable-paravirt option) ;;
+esac],[RTEMS_HAS_PARAVIRT=no]) 
+])
diff --git a/configure.ac b/configure.ac
index e4ff0a6..b6798f7 100644
--- a/configure.ac
+++ b/configure.ac
@@ -27,6 +27,7 @@ RTEMS_ENABLE_TESTS
 RTEMS_ENABLE_RTEMS_DEBUG
 RTEMS_ENABLE_RTEMSBSP
 RTEMS_ENABLE_MULTILIB
+RTEMS_ENABLE_PARAVIRT
 
 AC_ARG_ENABLE([docs],
   [AS_HELP_STRING([--enable-docs],[enable building documentation