how to convince someone about migrating from gcc-2.95 to gcc-3.x

2 msg	DWARF Formats - GCC 4.1.1
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4 msg	x86-64 -mcx16, picky __sync_val_compare_and_swap?
5 msg	VAX backend status
2 msg	gcc regression on Darwin
8 msg	How can I get VRP information for an RTX?

how to convince someone about migrating from gc...
\ ganesh subramonian (1 Apr 2007)
. \ Dave Korn (1 Apr 2007)
. . \ Paul Brook (1 Apr 2007)
. . . \ Dave Korn (1 Apr 2007)
. . . . \ Joe Buck (2 Apr 2007)
. . . \ Marcin Dalecki (1 Apr 2007)
. . . . \ Richard Guenther (1 Apr 2007)
. . . . . \ Robert Dewar (1 Apr 2007)
. . . . \ Joe Buck (2 Apr 2007)
. . . . . \ Chris Lattner (2 Apr 2007)
. . . . . \ Robert Dewar (2 Apr 2007)
. \ Dan Kegel (1 Apr 2007)
. \ ganesh subramonian (2 Apr 2007)
. . \ Benjamin Kosnik (2 Apr 2007)

2 msg	Build report for gcc 4.1.1 on Cygwin
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5 msg	-Wswitch-enum and -Wswitch-default
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5 msg	[MinGW] Failure Building libjava
5 msg	Writing a option pass
9 msg	Extension for a throw-like C++ qualifier

Subject:	how to convince someone about migrating from gcc-2.95 to gcc-3.x
Group:	Gcc
From:	ganesh subramonian
Date:	1 Apr 2007

Hi
I work in a company where we have been using gcc-2.95.4 (based cross
compiler) for compiling our code. Most of the code is written in c++
and makes extensive use of the stl libraries. We would not be changing
our operating system or processor architecture (so portability is not
a very good reason to give). There seems to be a lot of changes since
gcc-2.95 as a result of which we get a large number of errors when
trying to compile the code with gcc-3.x.
If we were to put in quite some effort to get the entire code-base
compiling in gcc-3.x, what advantages would we get as a result of this
(in terms of code-size reduction or faster execution of compiled
binaries). Are there any new glibc,libstdc++ (or other libraries)
features which are there in 3.x/4.x which are unavailable in 2.95?
If you were asked to convince someone about moving from gcc-2.95 to
gcc-3.x how would you people do it?

Thanks
Ganesh

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