Note about bison version

diff --git a/README.RELEASE_PROCESS b/README.RELEASE_PROCESS
index c8eeb4e1392fc77cc233cc69960e31fc1c974a1b..58d3cd4e8e4fdc05912f2bb3f1f23f1a2241e7a9 100644 (file)
--- a/README.RELEASE_PROCESS
+++ b/README.RELEASE_PROCESS
@@ -64,7 +64,8 @@ Do not use abbreviations for alpha and beta.
 ``git push --tags origin HEAD``
 
 8. run: ``./makedist 5.4.2RC2``, this will export the tree, create configure
-and build three tarballs (gz,bz2 and xz).
+and build three tarballs (gz,bz2 and xz). Make sure you use the same GNU Bison
+version as snaps. Recent bison version are known to break ZTS.
 
 9. Copy those three tarballs to www.php.net, in your homedir there should be a
 directory "downloads/". Copy them into there, so that the system can generate