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Message-ID: <20111026033605.GA1956@openwall.com>
Date: Wed, 26 Oct 2011 07:36:05 +0400
From: Solar Designer <solar@...nwall.com>
To: owl-dev@...ts.openwall.com
Subject: gcc -fomit-frame-pointer
Hi,
The texinfo documentation for gcc 4.6.1 says:
Starting with GCC version 4.6, the default setting (when not
optimizing for size) for 32-bit Linux x86 and 32-bit Darwin x86
targets has been changed to `-fomit-frame-pointer'. The default
can be reverted to `-fno-omit-frame-pointer' by configuring GCC
with the `--enable-frame-pointer' configure option.
However, my testing on Owl-current/i686 does not confirm this: I am
getting code with frame pointers by default. Our spec file does not
pass the --enable-frame-pointer configure option.
Is there any substance behind the claim in the texinfo documentation at
all? Maybe a decision that was made and then reverted?
Alexander
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