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GSOC:disable newlibc reentrancy
- Date: Thu, 08 May 2008 09:05:45 +0200
- From: ralf.corsepius at rtems.org (Ralf Corsepius)
- Subject: GSOC:disable newlibc reentrancy
On Thu, 2008-05-08 at 14:54 +0800, ?? wrote:
> Hi,
>
> I am trying to disable newlibc.c reentrant support.
Why do you want to do this?
> And Our goal is to
> defer as many things as possible to link time. To that end, newlibc.c
> should be splitted. bsp_libc_init(in bsppost.c) calls libc_init, which
> is defined in newlibc.c(in libcsupport directory). There are also some
> libc reentrant hooks defined in newlibc.c plus the libc_global_reent
> variable. So I create a new file newlibc_init.c in
> cpukit/libcsupport/src(of course need to modify the Makefile), which
> has only one function(libc_init, copied from newlibc.c), and a
> variable definition(libc_global_reent copied from newlibc.c), and I
> also move the definition of RTEMS_NEWLIB_EXTENSION to confdefs.h,
> wrapped by CONFIGURE_DISABLE_NEWLIB_REENTRANCY macro. If you do not
> want newlibc reentrancy support, you define macro
> CONFIGURE_DISABLE_NWELIB_REENTRANCY in your application configuration
> file as before, and libc reentrant hooks will no be linked; If you
> need newlibc reentrancy code, you do nothing. Is that OK?
Not to me ... you don't really want to know my opinion on this proposal.
Ralf