Move test for other writing threads *before* allocating a sequence number.

[free-sw/xcb/libxcb] / configure.ac

diff --git a/configure.ac b/configure.ac
index 5e4405c..a07a89e 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -45,6 +45,7 @@ AC_MSG_RESULT($XCBPROTO_XCBINCLUDEDIR)
 AC_SUBST(XCBPROTO_XCBINCLUDEDIR)
 
 AC_HEADER_STDC
+AC_FUNC_ALLOCA
 AC_SEARCH_LIBS(gethostbyname, nsl)
 AC_SEARCH_LIBS(connect, socket)