Can't guarantee external software packages will not cause warnings.
dnl Autoconf / Automake Initialization
AC_PREREQ(2.62)
AC_INIT([evolution-data-server],[eds_version],[http://bugzilla.gnome.org/enter_bug.cgi?product=Evolution-Data-Server])
-AM_INIT_AUTOMAKE([gnu 1.10 tar-ustar dist-xz no-dist-gzip -Wall -Wno-portability -Werror foreign])
+AM_INIT_AUTOMAKE([gnu 1.10 tar-ustar dist-xz no-dist-gzip -Wall -Wno-portability foreign])
AC_CONFIG_MACRO_DIR([m4])
AC_CONFIG_SRCDIR(README)
AC_CONFIG_HEADERS(config.h)