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-rw-r--r--Makefile.objs4
-rwxr-xr-xconfigure6
2 files changed, 9 insertions, 1 deletions
diff --git a/Makefile.objs b/Makefile.objs
index b39d76cbb6..5f0b3f7136 100644
--- a/Makefile.objs
+++ b/Makefile.objs
@@ -17,8 +17,12 @@ coroutine-obj-y += qemu-coroutine-sleep.o
ifeq ($(CONFIG_UCONTEXT_COROUTINE),y)
coroutine-obj-$(CONFIG_POSIX) += coroutine-ucontext.o
else
+ifeq ($(CONFIG_SIGALTSTACK_COROUTINE),y)
+coroutine-obj-$(CONFIG_POSIX) += coroutine-sigaltstack.o
+else
coroutine-obj-$(CONFIG_POSIX) += coroutine-gthread.o
endif
+endif
coroutine-obj-$(CONFIG_WIN32) += coroutine-win32.o
#######################################################################
diff --git a/configure b/configure
index bb80822c77..ddb3e398fa 100755
--- a/configure
+++ b/configure
@@ -1114,7 +1114,7 @@ echo " --enable-usb-redir enable usb network redirection support"
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 @@ elif test "$coroutine" = "gthread" ; then
coroutine_backend=gthread
elif test "$coroutine" = "windows" ; then
coroutine_backend=windows
+elif test "$coroutine" = "sigaltstack" ; then
+ coroutine_backend=sigaltstack
else
echo
echo "Error: unknown coroutine backend $coroutine"
@@ -3269,6 +3271,8 @@ fi
if test "$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