# of TESTS_ENVIRONMENT in your tests/Makefile.am file.
# This is useful when using automake's parallel tests mode, to print
# the reason for skip/failure to console, rather than to the .log files.
-${stderr_fileno_=2}
+: ${stderr_fileno_=2}
warn_() { echo "$@" 1>&$stderr_fileno_; }
fail_() { warn_ "$ME_: failed test: $@"; Exit 1; }