Date: Sun, 19 Aug 2012 08:11:49 +0200 (CEST) From: Jens <jensl@...s.mine.nu> To: musl@...ts.openwall.com Subject: Re: Building without -Wl,-Bsymbolic-functions On Sat, 18 Aug 2012, Rich Felker wrote: > On Sat, Aug 18, 2012 at 01:38:23PM +0200, Jens wrote: >> >> Hi! >> >> Im building musl inside an oldish uclibc environment based on uclibc >> 0.9.30.1, gcc 4.1.2 and GNU ld version 2.17. >> >> The linker does not accept -Bsymbolic-functions. >> >> Im now building the shared library despite of this. >> >> How broken will the musl libc be without -Bsymbolic-functions ? > > If building without it entirely, the shared libc will just crash. > > If replacing it with -Bsymbolic, it will run, but global variables in > libc that are accessed by the application (e.g. environ, optind, ...) > will actually have separate copies in libc and the application, and > thus the app won't work as expected. > > A patch to add -Bsymbolic-functions to old binutils would be very > welcome... In the mean time, you could compile a new ld and pass the > -B option to gcc to give it the path for the new ld. Lots of enligthening information in answers to this question. Thank you! I did as suggested and compiled a newer version of ld. Compilation now works beautifully out of the box. Thanks, Jens > > > Rich >
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