Added a patch for Cyrus SASL to fix the regression on iOS. See https://bugzilla.cyrusimap.org/show_bug.cgi?id=3796

build-mac/dependencies/cyrus-2.1.25-libetpan.patch

@@ -0,0 +1,12 @@
+diff -ur cyrus-sasl-2.1.25/lib/client.c cyrus-sasl-2.1.25.new/lib/client.c
+--- cyrus-sasl-2.1.25/lib/client.c	2011-09-02 05:58:01.000000000 -0700
++++ cyrus-sasl-2.1.25.new/lib/client.c	2013-06-01 23:23:00.000000000 -0700
+@@ -504,7 +504,7 @@
+   /* get the clientFQDN (serverFQDN was set in _sasl_conn_init) */
+   memset(name, 0, sizeof(name));
+   if (get_fqhostname (name, MAXHOSTNAMELEN, 0) != 0) {
+-      return (SASL_FAIL);
++      gethostname(name, MAXHOSTNAMELEN);
+   }
+ 
+   result = _sasl_strdup(name, &conn->clientFQDN, NULL);

build-mac/dependencies/prepare-cyrus-sasl.sh

@@ -5,6 +5,7 @@ ARCHIVE=cyrus-sasl-$version
 ARCHIVE_NAME=$ARCHIVE.tar.gz
 ARCHIVE_PATCH=$ARCHIVE.patch
 url=ftp://ftp.andrew.cmu.edu/pub/cyrus-mail/$ARCHIVE_NAME
+patchfile=cyrus-2.1.25-libetpan.patch
 
 scriptdir="`pwd`"
 
@@ -65,6 +66,7 @@ logfile="$srcdir/$ARCHIVE/build.log"
 echo "*** patching sources ***" > "$logfile" 2>&1
 
 cd "$srcdir/$ARCHIVE"
+patch -p1 < $current_dir/$patchfile
 # patch source files
 cd "$srcdir/$ARCHIVE/include"
 sed -E 's/\.\/makemd5 /.\/makemd5i386 /' < Makefile.am > Makefile.am.new