true : bin_annot, safe_string, package(rresult), \
       package(astring), package(fpath), package(fmt), package(logs), \
       package(unix)

<_b0> : -traverse
<src> : include
<src/bos_top*> : package(compiler-libs.toplevel)
<src/bos_setup*> : package(fmt.tty), package(logs.fmt)

<test> : include
<test/*> : package(logs.fmt)
<test/watch*> : package(fmt.tty), package(mtime), package(mtime.clock.os)