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Re: Completely disable exception support for G++ cross compiler

From: Joel Dice <dicej at mailsnare dot net>
To: Ingo Rohloff <Ingo dot Rohloff at lauterbach dot com>
Cc: gcc-help at gcc dot gnu dot org
Date: Thu, 3 Dec 2009 10:23:09 -0700 (MST)
Subject: Re: Completely disable exception support for G++ cross compiler
References: <4B17C7F9.5080302@lauterbach.com>

On Thu, 3 Dec 2009, Ingo Rohloff wrote:

Hello,

I want to build a cross compiler for C and C++.

Host System is Windows Cygwin (1) and Linux (2) running on Intel x86.
Target System is "PowerPC" bare metal
(no operating system at all, so "EABI" ?)

Now if possible I would like to completely disable exception
support for C and C++.
That means:
I do not want "new" to throw an exception.
I do not want to get ".eh_frame" sections in my objects.
I do not want to get any kind of stack unwind information in my object
files (except in the debug sections).

Is there any possibility to achieve that ?

I build my code with -fno-exceptions. You may also want to try -fno-unwind-tables if -fno-exceptions isn't enough. I'm not sure how to build GCC such that these options are the defaults, if that's what you want.

Follow-Ups:
- Re: Completely disable exception support for G++ cross compiler
  - From: Ingo Rohloff

References:
- Completely disable exception support for G++ cross compiler
  - From: Ingo Rohloff

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