On Mon, Jun 30, 2014 at 02:56:37PM +0800, Tony Wu wrote: > On Sat, Jun 28, 2014 at 3:52 AM, Thomas Petazzoni > <thomas.petazz...@free-electrons.com> wrote: > > Hello all, > > > > Any feedback on the problem reported by Vicente? We're having this > > problem regularly in Buildroot with various symbols when linking > > statically. It would be good to have some input on how to fix the > > problem. > > > > Thanks, > > > > Thomas > > > > Attached please find the workaround we currently use. We simply mark > non-pthread __lll_lock_wait_private weak, so it wont interfere with > the one in pthread under static link mode.
Well ok, not entirely happy but for static linking i do not immediately see a better way to handle that. Can you please use weak_alias (or suitable construct, see include/cancel.h for explanations) and fix all arches, not just arm? Same for the one below.. > > Hope this helps. > > Tony > > > On Tue, 3 Jun 2014 11:38:46 +0100, Vicente Olivert Riera wrote: > >> I'm trying to compile cdrkit for static and I'm getting compilation > >> errors due to multiple definitions of setreuid and __lll_lock_wait_private. > >> It works fine in a shared built. > >> > >> Here are the relevant lines of the build log: > >> > >> -------------------------------------- > >> Linking C executable devdump > >> /home/test/output/host/usr/mipsel-buildroot-linux-uclibc/sysroot/usr/lib/libc.a(setreuid.os): > >> In function `setreuid': > >> setreuid.c:(.text+0x0): multiple definition of `setreuid' > >> /home/test/output/host/usr/mipsel-buildroot-linux-uclibc/sysroot/usr/lib/libpthread.a(pthread_setreuid.os):pthread_setreuid.c:(.text+0x0): > >> first defined here .. sounds like lt_strong_alias / weak alias is missing, can you take a closer look and propose a patch? thanks, > >> collect2: error: ld returned 1 exit status > >> -------------------------------------- > >> > >> and > >> > >> -------------------------------------- > >> Linking C executable genisoimage > >> /home/test/output/host/usr/mipsel-buildroot-linux-uclibc/sysroot/usr/lib/libpthread.a(lowlevellock.os): > >> In function `__lll_lock_wait_private': > >> lowlevellock.c:(.text+0x0): multiple definition of > >> `__lll_lock_wait_private' > >> /home/test/output/host/usr/mipsel-buildroot-linux-uclibc/sysroot/usr/lib/libc.a(libc-lowlevellock.os):libc-lowlevellock.c:(.text+0x0): > >> first defined here > >> collect2: error: ld returned 1 exit status > >> -------------------------------------- > >> > >> Full build log: http://www.pastebin.ca/2792067 > >> > >> Distribution: BuildRoot > >> Platform: MIPS32 LittleEndian > >> > > > > > > > > -- > > Thomas Petazzoni, CTO, Free Electrons > > Embedded Linux, Kernel and Android engineering > > http://free-electrons.com > > _______________________________________________ > > uClibc mailing list > > uClibc@uclibc.org > > http://lists.busybox.net/mailman/listinfo/uclibc > _______________________________________________ > uClibc mailing list > uClibc@uclibc.org > http://lists.busybox.net/mailman/listinfo/uclibc _______________________________________________ uClibc mailing list uClibc@uclibc.org http://lists.busybox.net/mailman/listinfo/uclibc
