[patch] rpc headers installation

[Ralf Corsepius <ralf dot corsepius at rtems dot org>]

Hi,

Current newlib installs its public rpc/xdr headers and the xdr directory 
unconditionally, independently of whether a target uses newlib's libxdr 
or not.

This is an issue to RTEMS, because we currently don't use newlib's xdr, 
but ship a libxdr of our own.


The patch below tries to address this issue by moving installation of 
the rpc/xdr headers to libc/Makefile.am, such that these headers and the 
include/rpc directory will only be installed if newlib's rpc is enabled.

Ralf

Attachment: newlib-rpcinclude.diff
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