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Re: glibc 2.19 for microblazeel
- From: OndÅej BÃlka <neleai at seznam dot cz>
- To: Waldemar Brodkorb <wbx at openadk dot org>
- Cc: libc-help at sourceware dot org
- Date: Fri, 11 Apr 2014 14:38:42 +0200
- Subject: Re: glibc 2.19 for microblazeel
- Authentication-results: sourceware.org; auth=none
- References: <20140411105758 dot GW3914 at waldemar-brodkorb dot de>
On Fri, Apr 11, 2014 at 12:57:58PM +0200, Waldemar Brodkorb wrote:
> Hi Libc hackers,
>
> I am trying to build glibc 2.18/2.19 based cross toolchain
> for microblaze little endian architecture using buildroot.
>
> I am getting following link error:
> /home/wbx/buildroot/output/host/usr/bin/microblazeel-buildroot-linux-gnu-gcc
> -
> shared -static-libgcc -Wl,-O1 -Wl,-z,defs
> -Wl,-dynamic-linker=/lib/ld.so.1 -B/
> home/wbx/buildroot/output/build/glibc-2.19/build/csu/
> -Wl,--version-script=/hom
> e/wbx/buildroot/output/build/glibc-2.19/build/libc.map
> -Wl,-soname=libc.so.6 -Wl ,-z,combreloc -Wl,-z,relro
> -Wl,--hash-style=both -nostdlib -nostartfiles -e __li bc_main
> -L/home/wbx/buildroot/output/build/glibc-2.19/build
> -L/home/wbx/buildroo t/output/build/glibc-2.19/build/math
> -L/home/wbx/buildroot/output/build/glibc-2. 19/build/elf
> -L/home/wbx/buildroot/output/build/glibc-2.19/build/dlfcn -L/home/w
> bx/buildroot/output/build/glibc-2.19/build/nss
> -L/home/wbx/buildroot/output/buil d/glibc-2.19/build/nis
> -L/home/wbx/buildroot/output/build/glibc-2.19/build/rt -L
> /home/wbx/buildroot/output/build/glibc-2.19/build/resolv
> -L/home/wbx/buildroot/o utput/build/glibc-2.19/build/crypt
> -L/home/wbx/buildroot/output/build/glibc-2.19 /build/nptl
> -Wl,-rpath-link=/home/wbx/buildroot/output/build/glibc-2.19/build:/h
> ome/wbx/buildroot/output/build/glibc-2.19/build/math:/home/wbx/buildroot/output/
> build/glibc-2.19/build/elf:/home/wbx/buildroot/output/build/glibc-2.19/build/dlf
> cn:/home/wbx/buildroot/output/build/glibc-2.19/build/nss:/home/wbx/buildroot/out
> put/build/glibc-2.19/build/nis:/home/wbx/buildroot/output/build/glibc-2.19/build
> /rt:/home/wbx/buildroot/output/build/glibc-2.19/build/resolv:/home/wbx/buildroot
> /output/build/glibc-2.19/build/crypt:/home/wbx/buildroot/output/build/glibc-2.19
> /build/nptl -o
> /home/wbx/buildroot/output/build/glibc-2.19/build/libc.so -T /hom
> e/wbx/buildroot/output/build/glibc-2.19/build/shlib.lds
> /home/wbx/buildroot/outp ut/build/glibc-2.19/build/csu/abi-note.o
> /home/wbx/buildroot/output/build/glibc- 2.19/build/elf/soinit.os
> /home/wbx/buildroot/output/build/glibc-2.19/build/libc_ pic.os
> /home/wbx/buildroot/output/build/glibc-2.19/build/elf/sofini.os
> /home/wbx /buildroot/output/build/glibc-2.19/build/elf/interp.os
> /home/wbx/buildroot/outpu t/build/glibc-2.19/build/elf/ld.so -lgcc
> ln -s ld.so
> /home/wbx/buildroot/output/build/glibc-2.19/build/elf/ld.so.1
> /home/wbx/buildroot/output/build/glibc-2.19/build/libc_pic.os: In
> function `__is oc99_scanf': (.text+0x5fc58): undefined reference to
> `__gcc_personality_sj0'
> /home/wbx/buildroot/output/build/glibc-2.19/build/libc_pic.os: In
> function `__is oc99_scanf': (.text+0x5fc8c): undefined reference to
> `_Unwind_SjLj_Register'
> /home/wbx/buildroot/output/build/glibc-2.19/build/libc_pic.os: In
> function `__is
> ...
>
> Full log is here http://www.openadk.org/br-microblaze.log
>
> When I add -lgcc_eh to Makeconfig the compile went fine and the
> system boots up in qemu. It is surely not the right fix and I have
> no idea how to do it the right way. I tried adding
> gnulib-arch = -lgcc_eh
> static-gnulib-arch = -lgcc_eh
> to ports/sysdeps/microblaze/Makefile, but this didn't work.
>
> It somehow works for b86835ca92a1942ed08d8b5ee47498e711feaddb from
> https://github.com/Xilinx/glibc. But I don't know why.
> Seems to be a change between
> b86835ca92a1942ed08d8b5ee47498e711feaddb and 2.18 release.
>
Could you go a step futher and use
git bisect start
git bisect bad
git bisect good b86835ca92a1942ed08d8b5ee47498e711feaddb
to get exact commit.