configure should recursively sync submodules

diff --git a/configure b/configure
index 58fc25eea9e44124fc3f1b487b9a3f1de4147156..60de25809c282f98dc9a85d459735d8957830028 100755 (executable)
--- a/configure
+++ b/configure
@@ -583,6 +583,10 @@ then
     "${CFG_GIT}" submodule --quiet update --init --recursive
     need_ok "git failed"
 
+    msg "git: submodule foreach sync"
+    "${CFG_GIT}" submodule --quiet foreach --recursive git submodule sync
+    need_ok "git failed"
+
     msg "git: submodule clobber"
     "${CFG_GIT}" submodule --quiet foreach --recursive git clean -dxf
     need_ok "git failed"