akhiezer wrote: >> Date: Sat, 01 Mar 2014 17:04:38 -0600 >> From: Bruce Dubbs <bruce.du...@gmail.com> >> To: LFS Developers Mailinglist <lfs-dev@linuxfromscratch.org> >> Subject: Re: [lfs-dev] gcc pass 1/2 instructions re mpfr/gmp/mpc. >> >> Pierre Labastie wrote: >>> Le 01/03/2014 23:31, Bruce Dubbs a écrit : >>>> Pierre Labastie wrote: >>>>> Le 01/03/2014 21:14, Bruce Dubbs a écrit : >>>>>> Pierre Labastie wrote: >>>>>> >>>>>>>> It sounds like we need to add a check for libgmp on the host. Perhaps >>>>>>>> libmpfr and libmpc also. >>>>>> >>>>>>> It is the .la files, which fire the issue. I could reproduce the error >>>>>>> with >>>>>>> lfs-7.5-rc1 as the host, by removing libgmp.la. >>>>>>> >>>>>>> Actually, neither Debian nor Arch provide those .la files. I have not >>>>>>> checked >>>>>>> Fedora yet. >>>>>>> >>>>>>> I am not sure what should be done. If users accept to install >>>>>>> libgmp-dev, >>>>>>> libmpfr-dev, libmpc-dev on their host, the easiest would be to >>>>>>> completely >>>>>>> remove the build of those packages for gcc-pass1. I'll try that. This >>>>>>> would >>>>>>> imply that the host requirement be augmented with both libraries _and_ >>>>>>> headers >>>>>>> checks. >>>>>>> >>>>>>> Otherwise, maybe just a note telling to remove the .la files (completely >>>>>>> removing them gives the cleanest build), at least for the course of the >>>>>>> build? >>>>>> >>>>>> Yes, on my system I have /usr/lib/libmpfr.la which contains >>>>>> dependency_libs=' /usr/lib/libgmp.la'. >>>>>> >>>>>> If we add the following to the host system requirements, would that be >>>>>> enough? >>>>>> >>>>>> [ -e /usr/lib/libmpfr.la ] && [ ! -e /usr/lib/libgmp.la ] && >>>>>> echo "libgmp is missing" >>>>>> >>>>>> I'm going to hold off releasing 7.5 until we get this settled. >>>>>> >>>>>> -- Bruce >>>>>> >>>>> I think it is the idea of the fix, except that the libs may be in >>>>> /usr/lib64 >>>>> (as in Slackware64). The message should be changed though, since libgmp.so >>>>> might be installed without libgmp.la. Do not know exactly what to say: >>>>> "please >>>>> install a package with libgmp.la, or remove libmpfr.la" (too long...) >>>> >>>> Hmm. How about: >>>> >>>> if [ $(ls /usr/lib*/lib{mpfr,gmp,mpc}.so|wc -l) != 3 ]; then >>>> echo one of lib{mpfr,gmp,mpc}.so is missing >>>> fi >>>> > > > This would give a false-negatve on e.g. host-os multilib slackware - there's > a '/usr/lib/libmpc.so' as well as the three 'usual suspects' > (i.e. /usr/lib64/lib{mpfr,gmp,mpc}.so) in /usr/lib64 . > > > The test - if using that approach - would really need to do (loop across) > each of mpfr/mpc/gmp separately, and check that iindivid value is e.g. '>=1' > && '<=2' .
Gawd. How about $(ls /usr/lib*/lib{mpfr,gmp,mpc}.so|sort|uniq|wc -l) != 3 -- Bruce -- http://linuxfromscratch.org/mailman/listinfo/lfs-dev FAQ: http://www.linuxfromscratch.org/faq/ Unsubscribe: See the above information page