coroutine: adding configure option for sigaltstack coroutine backend
It's possible to use sigaltstack backend with --with-coroutine=sigaltstack
v2: changed from enable/disable configure flags
Signed-off-by: Alex Barcelo <abarcelo@ac.upc.edu>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
diff --git a/configure b/configure
index bb80822..ddb3e39 100755
--- a/configure
+++ b/configure
@@ -1114,7 +1114,7 @@
echo " --disable-guest-agent disable building of the QEMU Guest Agent"
echo " --enable-guest-agent enable building of the QEMU Guest Agent"
echo " --with-coroutine=BACKEND coroutine backend. Supported options:"
-echo " gthread, ucontext, windows"
+echo " gthread, ucontext, sigaltstack, windows"
echo ""
echo "NOTE: The object files are built at the place where configure is launched"
exit 1
@@ -2745,6 +2745,8 @@
coroutine_backend=gthread
elif test "$coroutine" = "windows" ; then
coroutine_backend=windows
+elif test "$coroutine" = "sigaltstack" ; then
+ coroutine_backend=sigaltstack
else
echo
echo "Error: unknown coroutine backend $coroutine"
@@ -3269,6 +3271,8 @@
if test "$coroutine_backend" = "ucontext" ; then
echo "CONFIG_UCONTEXT_COROUTINE=y" >> $config_host_mak
+elif test "$coroutine_backend" = "sigaltstack" ; then
+ echo "CONFIG_SIGALTSTACK_COROUTINE=y" >> $config_host_mak
fi
if test "$open_by_handle_at" = "yes" ; then
