Re: Disabling optimization

[Bob Friesenhahn]

On Thu, 18 Nov 2004, Andrew Suffield wrote:
On Thu, Nov 18, 2004 at 03:44:46PM -0600, Bob Friesenhahn wrote:
On Thu, 18 Nov 2004, Andrew Suffield wrote:
What you're all trying to say is this:
CXXFLAGS="-g -O0 ${CXXFLAGS}"
Nope, this prevents overriding CXXFLAGS from the environment.
It does not. I do it all the time.
How does the user portably remove/override the -g and -O0 options?  It
seems that you are depending on the user's compiler to support a way
to subtract from existing options.  You are also expecting that the
user's compiler supports -O0 and doesn't simply exit.
You appear to be expecting the user's compiler to compile C++. That's
a pretty poor expectation from the outset (it might be g++ 2.95 or
something).
CXXFLAGS is only used to compile C++ so I don't think I was stretching 
my imagination too far.

Bob
======================================
Bob Friesenhahn
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http://www.simplesystems.org/users/bfriesen