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Re: How to remove "-O2" on Makefile generated by autoconf/make
From: |
Vincent Torri |
Subject: |
Re: How to remove "-O2" on Makefile generated by autoconf/make |
Date: |
Tue, 29 Nov 2005 22:03:40 +0000 (UTC) |
when CFLAGS is not already set, AC_PROG_CC set CFLAGS to -g -O2 (or just
-O2 if -g is not supported). Same for CXXFLAGS and AC_PROG_CXX (cf their
documentation in the autoconf manual).
regards
Vincent Torri
On Tue, 29 Nov 2005, David Fang wrote:
> > 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?
>
> Hi,
>
> I think a combination of
>
> AM_CXXFLAGS =
>
> and
>
> configure CXXFLAGS=""
>
> will work.
> Probably just the latter is enough.
> I believe -g and -O2 are picked up by default by autoconf when nothing is
> specified.
>
> David Fang
>
>
>
>