Re: How to remove "-O2" on Makefile generated by autoconf/make

[Russell Shaw]

Feng QIN wrote:
> Hello all,
> When I use autoconf/automake tools to generate makefile for my package, the
> CXXFLAGS is always added "-O2" by tools, while I don't want to use for
> debuging.
> Is it possible to remove it from options of configure command or some other
> ways better than removing it manually everytime on Makefile?
>
> Thanks in advance!

If you want to have a different default optimization whenever you run make, you 
can
run:

  ./autoconf CXXFLAGS="-g -O0"