On Mon, Jun 11, 2012 at 7:47 PM, Ian Lance Taylor <iant@xxxxxxxxxx> wrote: > NightStrike <nightstrike@xxxxxxxxx> writes: > >> If you use gnu ld or as to build GCC, you get extra features in gcc >> itself. There's a few bugzilla PRs on this, and a lot of emails on >> the mailing list. What I don't see, however, is how I can have >> configure detect the usage of GNU binutils automatically. In other >> words, without explicitly passing in --with-gnu-ld/as, I don't get the >> features in question. >> >> Is there a way to do this? Or, is there a way to fix configure so >> that it does some test without requiring the option? Also, is there a >> way to do this for a cross compiler? > > Historically, the concern was that if person A builds the compiler and > hands it to person B, person B may have a different assembler or linker > than person A. So we force person A to explicitly indicate whether they > are using the GNU assembler. > > However, this general rule is not followed very much. E.g., when using > the GNU tools, the configure scripts check for various features of them, > which could fail if person B has a different version of the GNU tools > installed. > > So I think it would be reasonable to have the configure script set the > defualt for -with-gnu-ld/as based on the tools found at configure time. Is this something you would be willing to do?
