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Re: Is it possible to overload symbols in static libraries?

From: Mike Frysinger <vapier at gentoo dot org>
To: newlib at sourceware dot org
Cc: Rohit Arul Raj <rohitarulraj at gmail dot com>
Date: Sun, 7 Aug 2011 20:31:25 -0400
Subject: Re: Is it possible to overload symbols in static libraries?
References: <CAPVMLfXYkK6RrLMhT90LF=QhGShh_bL=KgCV+1ezJ-c81e2m4w@mail.gmail.com>

On Wednesday, August 03, 2011 04:20:16 Rohit Arul Raj wrote:
> I have created a static library in libgloss.a, which by default dumps
> the input/output to console I/O.
> I also have an UART library. Now to dump the output to UART, i thought
> of overloading the console I/O functions (having them as weak
> symbols). But it seems that it doesn't work with archives.

it's a bit more subtle than that

> The solution that i can think of for now is:
> 1. Have separate libraries for console I/O and UART.
> 2. Link them with libgloss.a
> 
> Is there any better alternative?

you could use --whole-archive when linking and ignore the subtle issues
-mike

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- Is it possible to overload symbols in static libraries?
  - From: Rohit Arul Raj

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