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-rwxr-xr-xconfigure17
1 files changed, 16 insertions, 1 deletions
diff --git a/configure b/configure
index 7e09b79fe5..bafc4c1663 100755
--- a/configure
+++ b/configure
@@ -321,6 +321,7 @@ vhdx=""
numa=""
tcmalloc="no"
jemalloc="no"
+replication="yes"
# parse CC options first
for opt do
@@ -389,7 +390,11 @@ sdl2_config="${SDL2_CONFIG-${cross_prefix}sdl2-config}"
ARFLAGS="${ARFLAGS-rv}"
# default flags for all hosts
-QEMU_CFLAGS="-fno-strict-aliasing -fno-common $QEMU_CFLAGS"
+# We use -fwrapv to tell the compiler that we require a C dialect where
+# left shift of signed integers is well defined and has the expected
+# 2s-complement style results. (Both clang and gcc agree that it
+# provides these semantics.)
+QEMU_CFLAGS="-fno-strict-aliasing -fno-common -fwrapv $QEMU_CFLAGS"
QEMU_CFLAGS="-Wall -Wundef -Wwrite-strings -Wmissing-prototypes $QEMU_CFLAGS"
QEMU_CFLAGS="-Wstrict-prototypes -Wredundant-decls $QEMU_CFLAGS"
QEMU_CFLAGS="-D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE $QEMU_CFLAGS"
@@ -1156,6 +1161,10 @@ for opt do
;;
--enable-jemalloc) jemalloc="yes"
;;
+ --disable-replication) replication="no"
+ ;;
+ --enable-replication) replication="yes"
+ ;;
*)
echo "ERROR: unknown option $opt"
echo "Try '$0 --help' for more information"
@@ -1386,6 +1395,7 @@ disabled with --disable-FEATURE, default is enabled if available:
numa libnuma support
tcmalloc tcmalloc support
jemalloc jemalloc support
+ replication replication support
NOTE: The object files are built at the place where configure is launched
EOF
@@ -4918,6 +4928,7 @@ echo "NUMA host support $numa"
echo "tcmalloc support $tcmalloc"
echo "jemalloc support $jemalloc"
echo "avx2 optimization $avx2_opt"
+echo "replication support $replication"
if test "$sdl_too_old" = "yes"; then
echo "-> Your SDL version is too old - please upgrade to have SDL support"
@@ -5498,6 +5509,10 @@ if test "$have_rtnetlink" = "yes" ; then
echo "CONFIG_RTNETLINK=y" >> $config_host_mak
fi
+if test "$replication" = "yes" ; then
+ echo "CONFIG_REPLICATION=y" >> $config_host_mak
+fi
+
# Hold two types of flag:
# CONFIG_THREAD_SETNAME_BYTHREAD - we've got a way of setting the name on
# a thread we have a handle to