Re: Autoconf does not like "-D_FORTIFY_SOURCE=2 -O2"

[Paul Eggert]

On 05/08/2013 08:19 PM, Allan McRae wrote:
> Would an acceptable solution at
> the autoconf level be to split the CPPFLAGS into -I flags and others
> (-D, -U) and just use the -I ones in the header test?

I don't think so, no.  -D and -U can affect whether cpp works.