echo 'Creating brew-patch.diff'
cat << EOF >> brew-patch.diff
--- a/ktdbext.h  2013-11-08 09:34:53.000000000 -0500
+++ b/ktdbext.h  2013-11-08 09:35:00.000000000 -0500
@@ -271,7 +271,7 @@
       if (!logf("prepare", "started to open temporary databases under %s", tmppath.c_str()))
         err = true;
       stime = kc::time();
-      uint32_t pid = getpid() & kc::UINT16MAX;
+      uint32_t pid = kc::getpid() & kc::UINT16MAX;
       uint32_t tid = kc::Thread::hash() & kc::UINT16MAX;
       uint32_t ts = kc::time() * 1000;
       for (size_t i = 0; i < dbnum_; i++) {
EOF