+CONFIGURE_DEF_OPT='--enable-maintainer-mode --enable-plugin-builddir --enable-failing-tests --enable-poisoning'
+
+autogen_options $@
+
+echo -n "+ check for build tools"
+if test ! -z "$NOCHECK"; then echo ": skipped version checks"; else echo; fi
+version_check "autoconf" "$AUTOCONF autoconf autoconf-2.54 autoconf-2.53 autoconf-2.52" \
+ "ftp://ftp.gnu.org/pub/gnu/autoconf/" 2 52 || DIE=1
+version_check "automake" "$AUTOMAKE automake automake-1.7 automake17 automake-1.6" \
+ "ftp://ftp.gnu.org/pub/gnu/automake/" 1 6 || DIE=1
+version_check "autopoint" "autopoint" \
+ "ftp://ftp.gnu.org/pub/gnu/gettext/" 0 11 5 || DIE=1
+version_check "libtoolize" "libtoolize libtoolize14" \
+ "ftp://ftp.gnu.org/pub/gnu/libtool/" 1 4 0 || DIE=1
+version_check "pkg-config" "" \
+ "http://www.freedesktop.org/software/pkgconfig" 0 8 0 || DIE=1
+
+die_check $DIE
+
+autoconf_2_52d_check || DIE=1
+aclocal_check || DIE=1
+autoheader_check || DIE=1