The "color-tests" option can't be checked for, but is available starting
with automake 1.11 which introduced AM_SILENT_RULES -- so we check this ...
define(VERSION_ID,esyscmd(git describe|sed -e 's/rel-//g'|sed -e 's/-/~/'|tr -d \\n))
+m4_ifdef([AM_SILENT_RULES],
+ [m4_define([ng_color_tests], [color-tests])],
+ [m4_define([ng_color_tests], [])])
+
# -- Initialisation --
AC_PREREQ([2.61])
AC_CONFIG_HEADER([src/config.h])
AC_CANONICAL_HOST
-AM_INIT_AUTOMAKE([1.10])
+AM_INIT_AUTOMAKE([-Wall 1.10 ]ng_color_tests)
m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])