diff -up openchange-openchange-2.3-VULCAN/configure.ac.disable-mysql openchange-openchange-2.3-VULCAN/configure.ac
--- openchange-openchange-2.3-VULCAN/configure.ac.disable-mysql	2018-02-19 17:21:16.683135863 +0100
+++ openchange-openchange-2.3-VULCAN/configure.ac	2018-02-19 17:23:26.313134071 +0100
@@ -50,22 +50,22 @@ AC_SUBST(ENDIAN)
 dnl #################################################################
 dnl MySQL
 dnl #################################################################
-AC_PATH_PROG(MYSQL_CONFIG, mysql_config)
-if test x"$MYSQL_CONFIG" = x""; then
-	AC_MSG_WARN([No version of mysql_config was found!])
-	AC_MSG_ERROR([Please install libmysqlclient-dev])
-fi
-AC_SUBST(MYSQL_CONFIG)
-
-AC_MSG_CHECKING(mysql cflags)
-MYSQL_CFLAGS=`$MYSQL_CONFIG --cflags`
-AC_MSG_RESULT($MYSQL_CFLAGS)
-AC_SUBST(MYSQL_CFLAGS)
-
-AC_MSG_CHECKING(mysql libs)
-MYSQL_LIBS=`$MYSQL_CONFIG --libs`
-AC_MSG_RESULT($MYSQL_LIBS)
-AC_SUBST(MYSQL_LIBS)
+dnl AC_PATH_PROG(MYSQL_CONFIG, mysql_config)
+dnl if test x"$MYSQL_CONFIG" = x""; then
+dnl 	AC_MSG_WARN([No version of mysql_config was found!])
+dnl	AC_MSG_ERROR([Please install libmysqlclient-dev])
+dnl fi
+dnl AC_SUBST(MYSQL_CONFIG)
+dnl
+dnl AC_MSG_CHECKING(mysql cflags)
+dnl MYSQL_CFLAGS=`$MYSQL_CONFIG --cflags`
+dnl AC_MSG_RESULT($MYSQL_CFLAGS)
+dnl AC_SUBST(MYSQL_CFLAGS)
+dnl
+dnl AC_MSG_CHECKING(mysql libs)
+dnl MYSQL_LIBS=`$MYSQL_CONFIG --libs`
+dnl AC_MSG_RESULT($MYSQL_LIBS)
+dnl AC_SUBST(MYSQL_LIBS)
 
 dnl #################################################################
 dnl Check for OS dependent options
@@ -409,22 +409,22 @@ AC_SUBST(pythondir)
 dnl ----------------------------------------------------------------------------
 dnl Check for MYSQL client libraries
 dnl ----------------------------------------------------------------------------
-AC_PATH_PROG(MYSQL_CONFIG, mysql_config)
-if test x"$MYSQL_CONFIG" = x""; then
-   AC_MSG_WARN([No version of mysql_config was found!])
-   AC_MSG_ERROR([Please install libmysqlclient-dev])
-fi
-AC_SUBST(MYSQL_CONFIG)
-
-AC_MSG_CHECKING(mysql cflags)
-MYSQL_CFLAGS=`$MYSQL_CONFIG --cflags`
-AC_MSG_RESULT($MYSQL_CFLAGS)
-AC_SUBST(MYSQL_CFLAGS)
-
-AC_MSG_CHECKING(mysql libs)
-MYSQL_LIBS=`$MYSQL_CONFIG --libs`
-AC_MSG_RESULT($MYSQL_LIBS)
-AC_SUBST(MYSQL_LIBS)
+dnl AC_PATH_PROG(MYSQL_CONFIG, mysql_config)
+dnl if test x"$MYSQL_CONFIG" = x""; then
+dnl    AC_MSG_WARN([No version of mysql_config was found!])
+dnl    AC_MSG_ERROR([Please install libmysqlclient-dev])
+dnl fi
+dnl AC_SUBST(MYSQL_CONFIG)
+dnl
+dnl AC_MSG_CHECKING(mysql cflags)
+dnl MYSQL_CFLAGS=`$MYSQL_CONFIG --cflags`
+dnl AC_MSG_RESULT($MYSQL_CFLAGS)
+dnl AC_SUBST(MYSQL_CFLAGS)
+dnl
+dnl AC_MSG_CHECKING(mysql libs)
+dnl MYSQL_LIBS=`$MYSQL_CONFIG --libs`
+dnl AC_MSG_RESULT($MYSQL_LIBS)
+dnl AC_SUBST(MYSQL_LIBS)
 
 dnl ----------------------------------------------------------------------------
 dnl Check for memcached