erofs-utils: introduce --enable-debug

This adds --enable-debug to explicitly specify debugging mode.

It's disabled by default, which means NDEBUG macro is defined instead.

Link: https://lore.kernel.org/r/20210522043502.11975-3-xiang@kernel.org
Signed-off-by: Gao Xiang <xiang@kernel.org>
1 file changed