09-19-2012
Thank you again for all those answers. Sorry I was not able to reply sooner.
To answers your questions:
Regarding the compiler and optimizations, I am not sure what settings we were using during the 32 bit compile on Solaris 7. I would have to look for that info. I know it was using the native compiler and not GNU.
Regarding the 'native' code comment. My mistake, what I really meant to say is that it is mostly C code with very few calls into the C run time library or the OS. Very few dependencies on other code. Even the C++ is really minimal. The point is that what it spends time doing is mainly there in the code. The main thing we use that is not in the code are all the basic File I/O calls.
I am sure we can switch to dynamic C run time linkage, it was only done static because it has been done that way historically. This code was originally porting in 1992.
Thank you all again for your help. I feel fully informed and will talk to our customer about it all. We also plan to get a newer platform for porting.
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LEARN ABOUT LINUX
config.guess
CONFIG.GUESS(1) User Commands CONFIG.GUESS(1)
NAME
config.guess - guess the build system triplet
SYNOPSIS
config.guess [OPTION]
DESCRIPTION
The GNU build system distinguishes three types of machines, the `build' machine on which the compilers are run, the `host' machine on which
the package being built will run, and, exclusively when you build a compiler, assembler etc., the `target' machine, for which the compiler
being built will produce code.
This script will guess the type of the `build' machine.
Output the configuration name of the system `config.guess' is run on.
Operation modes:
-h, --help
print this help, then exit
-t, --time-stamp
print date of last modification, then exit
-v, --version
print version number, then exit
ENVIRONMENT VARIABLES
config.guess might need to compile and run C code, hence it needs a compiler for the `build' machine: use the environment variable
`CC_FOR_BUILD' to specify the compiler for the build machine. If `CC_FOR_BUILD' is not specified, `CC' will be used. Be sure to specify
`CC_FOR_BUILD' is `CC' is a cross-compiler to the `host' machine.
CC_FOR_BUILD a native C compiler, defaults to `cc'
CC a native C compiler, the previous variable is preferred
REPORTING BUGS
Report bugs and patches to <config-patches@gnu.org>.
Originally written by Per Bothner. Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICU-
LAR PURPOSE.
SEE ALSO
autoconf(1), automake(1), autoreconf(1), autoupdate(1), autoheader(1), autoscan(1), config.guess(1), config.sub(1), ifnames(1), libtool(1).
config.guess (2005-09-19) September 2005 CONFIG.GUESS(1)