On 04/07/2013 03:24 PM, Dennis Clarke wrote: > >> On 04/07/2013 02:46 PM, Dennis Clarke wrote: >>> >>>> Required versions of gmp/mpfr/mpc clearly stated in the docs: >>>> http://gcc.gnu.org/install/prerequisites.html >>>> I'm not sure how you could miss that. >>>> >>>> cloog/ppl/isl are not required (unless you want the optional Graphite >>>> loop optimisation support) >>>> >>>> Systemtap is not required. If you have it, it needs to be a fairly >>>> recent version. >>>> >>>> http://gcc.gnu.org/wiki/InstallingGCC gives a foolproof recipe. >>> >>> I take some exception to the language on that page and perhaps I can >>> edit it to be a bit more cross platform and in the spirit of open >>> source. >> >> GCC is free software. > > Yes, of course. Free as in beer. Love it. No, as in freedom, not as in beer. > However it would be nice, and I must find a way to find the right > tone here such that I am not perceived as picking an argument for > the sake of entertainment or some axe to grind, Please try harder to do that. > if the RTFM-averse crowd were told that "hey, no promise anything is > up to date or even works" unless you build it yourself. I don't know what this even means. >>> The libs that are really needed, gmp/mpfr/mpc do *need* to be built >>> from sources on Solaris. They may be available on the BSD's and may >>> be available for Debian and Red Hat Enterprise Linux but I run all >>> of these operating systems in fairly up to date revs. None of them >>> are up to date with regards to gmp/mpfr and mpc. Not one of them. >> >> In which case, all you have to do is go as far as the second >> paragraph, which says: >> >> * Alternatively, after extracting the GCC source archive, simply run >> the ./contrib/download_prerequisites script in the GCC source >> directory. That will download the support libraries and create >> symlinks, causing them to be built automatically as part of the GCC >> build process. > > Therein lay my reasons to bristle a bit. The bits one gets from the cute > download_prerequisites script are dusty at best. It's deliberate. These are the versions that have been thoroughly tested and are known to work well with GCC. > The versions provided by the "download_prerequisites" are years > behind the times and much has been done in those numerical software > projects. > > So perhaps the script and the tarballs at > ftp://gcc.gnu.org/pub/gcc/infrastructure/ could be brought into this > decade? Couldn't hurt. It certainly could hurt, and more recent versions have been known to break GCC. However, this is probably a good time to upgrade them. All we need to know is which versions have been reasonably widely tested and are known to work well with GCC. Andrew.
