AC_OUTPUT
END
-unset sentence || :
+unset sentence
cat > Makefile.am << 'END'
AM_DISTCHECK_CONFIGURE_FLAGS = $(dc_flags1) $(dc_flags2)
$AUTOMAKE Makefile
./config.status Makefile
-$MAKE distcheck >output 2>&1 && { cat output; exit 1; }
-cat output
+run_make -e FAIL -M distcheck
grep "^configure:.* success='no', sentence='it works :-)'" output
$MAKE distcheck DISTCHECK_CONFIGURE_FLAGS="--enable-success=yes"