> > Thanks for the general philosophy on how to accomplish this task, it's
> > much needed. I have several questions though,
> >
> > I understand how to set the libs flag,
> > LIBS="$LIBS -lreadline -lhistory"
>
> Nope. Most likely, you want
> LIBS="-lreadline -lhistory $LIBS"
> instead. New libraries go in front, as they might depend on libraries
> already put in LIBS.
Thanks, this works great.
> > BTW, what's the appropriate way to set the CFLAGS, CPPFLAGS and LDFLAGS?
> > This is what I have been doing,
> >
> > LDFLAGS="-L$opt_with_readline_prefix/lib $LDFLAGS"
> > CFLAGS="-I$opt_with_readline_prefix/include
> > -I$opt_with_readline_prefix/include/readline $CFLAGS"
> > CPPFLAGS="-I$opt_with_readline_prefix/include
> > -I$opt_with_readline_prefix/include/readline $CPPFLAGS"
>
> Don't set any of these at all -- they are supposed to be reserved for
> the user. If you use Automake, read
> info Automake 'Flag Variables Ordering'
>
> (also be sure to have a look at
> info Autoconf 'Preset Output Variables'
>
> anyway) for the supposed names you should use. (Note there is a
> difference here for the flags you might have to set for some of the
> Autoconf tests and which are supposed for users to be set in the
> resulting Makefile -- that's what snippets like
> save_CPPFLAGS=$CPPFLAGS
> CPPFLAGS="$CPPFLAGS -I..."
> # ... test
> CPPFLAGS=$save_CPPFLAGS
>
> in the configure script are for.) And preprocessor flags should go
> in *CPPFLAGS only, not *CFLAGS.
>
> I believe *CPPFLAGS and *LDFLAGS should be appended to.
OK, I'll work on this.
I think I have things working nicely. Here is the general order of
things done,
- configure CGDB then readline
- compile readline, compile CGDB
CGDB use's headers from $top_srcdir/readline-5.0 and libraries from
$top_builddir/readline-5.0
- install readline/CGDB
I was wondering if this is OK?
Finally, is there a way to not have readline install anything? Since I
linked statically to it, I don't need anything else from it.
Thanks,
Bob Rossi
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