Re: Q: What is default architecture for code produced by native compiler?

[Arthur Miller]

martin rudalics <rudalics@gmx.at> writes:

>> Btw, -O3 is not recommended, as it frequently produces a slower Emacs.
>
> Where do we say that?  INSTALL has
>
> Here's an example of a 'configure' invocation, assuming a Bourne-like
> shell such as Bash, which uses these variables:
>
>   ./configure \
>     CPPFLAGS='-I/foo/myinclude' LDFLAGS='-L/bar/mylib' \
>     CFLAGS='-O3' LIBS='-lfoo -lbar'
>
> (this is all one shell command).  This tells 'configure' to instruct the
> preprocessor to look in the '/foo/myinclude' directory for header
> files (in addition to the standard directories), instruct the linker
> to look in '/bar/mylib' for libraries, pass the -O3 optimization
> switch to the compiler, and link against libfoo and libbar
> libraries in addition to the standard ones.
>
> martin

Yes I pass my compiler flags to configure script that way.