On 07/22/2013 04:55 AM, Andrew Bradford wrote:
On Sat, Jul 20, 2013, at 02:35 PM, William Harrington wrote:
On Jul 20, 2013, at 12:16 PM, Kirk Terrell wrote:
The most troublesome one was the mount command wouldn't compile
because of missing rpc/rpc.h header file. I was able to boot a QEMU
Malta system, but the initscript listed failures due to missing
mount commands. It looks like the Musl based systems involve a
number of patches e.g.
https://github.com/chneukirchen/sabotage/blob/master/KEEP/busybox.patch
.
Interesting. Seeing how embedded systems make use of nis quite a bit,
and rpc provides that support, then I suspect this may help:
I ran across libdrpc
http://www.openwall.com/lists/musl/2012/12/24/1
You may also want to check what Sabotage[1] does in their build to work
around this. I haven't checked myself but rofl0r was the one who nudged
me towards musl (via github interaction).
[1]:https://github.com/rofl0r/sabotage
-Andrew
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I did poke around rofl0r/sabotage. I guess I was looking at the old
sabatoge. The busybox config file tat they use unsets
CONFIG_FEATURE_HAVE_RPC, CONFIG_FEATURE_INETD_RPC as well as other stuff
that I couldn't identify. I tried to just turn those off in the CLFS std
config, but they were re-activated during the make process. I was able
to get the mount applet to compile. My takeaway would be -
pros
no configuration
small library size 905k for libc.so
fast compile
cons
header files don't line up with other c libraries - looking at the
change log it appears that this is being actively worked on.
No rpc support - which could be remedied with libdrpc (h/t). I havent
tried to compile this library w/ musl.
In a different vein - it looks like buildroot uses a generic uClibc
config file and then modifies it based on system configuration. It might
be feasible to use this approach and some sed commands to flesh out the
config file to match the system configuration. You are already doing
this by the OABI/EABI in arm, etc.
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