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-rw-r--r--xen/configfrag.ac10
1 files changed, 10 insertions, 0 deletions
diff --git a/xen/configfrag.ac b/xen/configfrag.ac
index d0705a4..b55fc5b 100644
--- a/xen/configfrag.ac
+++ b/xen/configfrag.ac
@@ -45,10 +45,20 @@ dnl These are experimental
AM_CONDITIONAL([enable_pv_descriptors], [true])
[fi]
+ AC_ARG_ENABLE([ring1],
+ AS_HELP_STRING([--disable-ring1], [ring1 kernel support]))
+ [if [ x"$enable_ring1" = xno ]; then]
+ AM_CONDITIONAL([enable_ring1], [false])
+ [else]
+ AC_DEFINE([MACH_RING1], [], [Enable ring1 kernel support])
+ AM_CONDITIONAL([enable_ring1], [true])
+ [fi]
+
[else]
AM_CONDITIONAL([PLATFORM_xen], [false])
AM_CONDITIONAL([enable_pseudo_phys], [false])
AM_CONDITIONAL([enable_pv_descriptors], [false])
+ AM_CONDITIONAL([enable_ring1], [false])
[fi]
dnl Local Variables: