On Aug 2, 2008, at 6:56 PM, Luigi Rizzo wrote:
On Sat, Aug 02, 2008 at 11:39:20AM -0700, Sam Leffler wrote:
...
I've been looking at nanobsd for a couple of applications and
working to
reduce the footprint of the images without hacking special rules.
With
...
If we're ever to consider building images for flash parts (not
compact
flash) then we'll need to do a lot of work to pare down the bloat--or
replace current apps w/ special purpose replacements a la busybox
(not
something I find appealing).
related to this thread -- does anyone have experience in trying
to build busybox on FreeBSD ?
Also, what would you suggest as a small scripting language to be used
in this kind of platform for implementing CGI scripts (and preferably
able to use sockets/select) ?
The various perl/python/php and friend are in the 10MB range once you
pick up a little bit of libraries (sockets etc) and the tangle of
modules they require; awk (which is present in busybox) is ok-ish for
some things, but doing
I/O and calling external programs with it is very unfriendly;
javascript/spidermonkey is on the 500KB range but it doesn't have
a library to play with sockets...
I'd also suggest looking at Lua, as someone else mentioned. It's BSD
licensed, and written explicitly for small footprint, embedded
applications.
There's a port to the Lego Mindstorms controller, for example. The
Lua language is written in ANSI C, and has a small set of well defined
interfaces to the OS for opening files, memory allocation, etc.
There are a number of web based Lua application environments; google for
"Lua Kepler" for one such example. There's also a couple of Wiki
platforms
written in Lua.
I think of Lua as the sort of tool you might use these days as
compared to
Tcl some years ago.
It also would be suitable for replacing FORTH in /boot/loader as
something
that's still small and compact enough, with many fewer sharp edges
exposed
to users..
louie
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