Use AIO only if host supports it (based on OpenBSD patches by Todd T. Fries)
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5010 c046a42c-6fe2-441c-8c8c-71466251a162
diff --git a/configure b/configure
index 260a892..5fdc227 100755
--- a/configure
+++ b/configure
@@ -106,6 +106,7 @@
build_docs="no"
uname_release=""
curses="yes"
+aio="yes"
nptl="yes"
mixemu="no"
@@ -334,6 +335,8 @@
;;
--enable-mixemu) mixemu="yes"
;;
+ --disable-aio) aio="no"
+ ;;
*) echo "ERROR: unknown option $opt"; show_help="yes"
;;
esac
@@ -436,6 +439,7 @@
echo " --enable-uname-release=R Return R for uname -r in usermode emulation"
echo " --sparc_cpu=V Build qemu for Sparc architecture v7, v8, v8plus, v8plusa, v9"
echo " --disable-vde disable support for vde network"
+echo " --disable-aio disable AIO support"
echo ""
echo "NOTE: The object files are built at the place where configure is launched"
exit 1
@@ -863,6 +867,19 @@
fi
fi # test "$curses"
+##########################################
+# AIO probe
+if test "$aio" = "yes" ; then
+ aio=no
+ cat > $TMPC << EOF
+#include <aio.h>
+int main(void) { return aio_write(NULL); }
+EOF
+ if $cc $ARCH_CFLAGS -o $TMPE $AIOLIBS $TMPC 2> /dev/null ; then
+ aio=yes
+ fi
+fi
+
# Check if tools are available to build documentation.
if [ -x "`which texi2html 2>/dev/null`" ] && \
[ -x "`which pod2man 2>/dev/null`" ]; then
@@ -934,6 +951,7 @@
echo "uname -r $uname_release"
echo "NPTL support $nptl"
echo "vde support $vde"
+echo "AIO support $aio"
if test $sdl_too_old = "yes"; then
echo "-> Your SDL version is too old - please upgrade to have SDL support"
@@ -1179,6 +1197,9 @@
echo "#define CONFIG_BRLAPI 1" >> $config_h
echo "BRLAPI_LIBS=-lbrlapi" >> $config_mak
fi
+if test "$aio" = "yes" ; then
+ echo "#define CONFIG_AIO 1" >> $config_h
+fi
# XXX: suppress that
if [ "$bsd" = "yes" ] ; then
