Date: Thu, 09 Oct 2014 18:04:15 -0400 From: "writeonce@...ipix.org" <writeonce@...ipix.org> To: musl@...ts.openwall.com Subject: Re: libgcc errors On 10/09/2014 05:43 PM, Samuel Holland wrote: > On October 9, 2014 4:08:35 PM CDT, stephen Turner <stephen.n.turner@...il.com> wrote: >> Thanks Samuel, >> I would use the musl-gcc wrapper (and have) however once gcc is compiled > >from it then it does not support dynamic linking due to the lack of --host >> (suggested) or --target (what seems more appropriate to me) specified in >> the configure flags. If i do specify it then i get all kinds of crazy >> errors These errors are partly the result of how gcc passes environment variables to the configure scripts and make recipes in its sub-directories. In cbb, such errors were the motivation for 1) not using musl-gcc directly, but rather passing -specs=$specs_file to the gcc configure script, and 2) using the $script_xgcc_for_specs environment variable, and applying the related patch to gcc's Makefile.in. >> which is why i consulted this mailing list in the first place since >> i have tried googling my way through documentation for a month prior to >> asking for help. > It took me an entire summer to figure this all out. +1 :) >> Its my inexperienced opinion that simply switching libs from glibc6 to musl >> should be relatively easy compared to the full cross compile. To me it >> seems like it would be as easy as specifying a new lib when rebuilding gcc >> and that would be all. > It would be that easy if everything was statically linked. > >> let me ask you one quick question. I went to the musl-cross website on >> bitbucket/gregorr and grabbed the patch for 4.7.3, is that a good working >> patch and gcc version? (all my errors seem to stem from compiling gcc) and >> is there any special way to download it or just click the raw button and >> wget the link then "patch -Np1 -i file.name.diff"? > That is the correct file, and there is no special way to download it. Those steps will work. Your problems are not caused by a bad patch, but pollution from your host libc and toolchain. Dynamic linking is hard to get rid of. (I'm trying to avoid a rant here...) > > If I might ask, what is your end goal? Maybe you'd have a better time starting with something like Alpine or Sabotage. >
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