Hi Brian,

I attached full configure output.

Liron

-----Original Message-----
From: Brian Brooks [mailto:brian.bro...@linaro.org] 
Sent: Wednesday, October 18, 2017 18:50
To: Liron Himi <lir...@marvell.com>
Cc: lng-odp@lists.linaro.org
Subject: [EXT] Re: [lng-odp] ODP1.15 with gcc-linaro-5.3.1

External Email

----------------------------------------------------------------------
Hi Liron,

Can you paste a full copy of the ./configure output?

Brian

On Wed, Oct 18, 2017 at 9:58 AM, Liron Himi <lir...@marvell.com> wrote:
> Hi,
>
> We are using 'gcc-linaro-5.3.1-2016.05-x86_64_aarch64-linux-gnu' as our 
> tool-chain.
> When I compile ODP1.15 with it I get a lot of:
> 'libtool: warning: library 
> '/home/userlab/work/crosstools/gcc-linaro-5.3.1-2016.05-x86_64_aarch64-linux-gnu/aarch64-linux-gnu/lib64/libatomic.la'
>  was moved.'
>
> The main problem is that we have another package that uses our ODP 
> outcome and it doesn't compile due to
> '/bin/sed: can't read 
> /home/tcwg-buildslave/workspace/tcwg-make-release/label/docker-trusty-amd64-tcwg/target/aarch64-linux-gnu/_build/builds/destdir/x86_64-unknown-linux-gnu/aarch64-linux-gnu/lib/../lib64/libatomic.la:
>  No such file or directory
> libtool:   error: 
> '/home/tcwg-buildslave/workspace/tcwg-make-release/label/docker-trusty-amd64-tcwg/target/aarch64-linux-gnu/_build/builds/destdir/x86_64-unknown-linux-gnu/aarch64-linux-gnu/lib/../lib64/libatomic.la'
>  is not a valid libtool archive'
>
> I notice that it is related to added lines (compared to ODP1.11) in 
> 'linux-generic/m4/configure.m4'.
> dnl Check whether -latomic is needed
> use_libatomic=no
>
> AC_MSG_CHECKING(whether -latomic is needed for 64-bit atomic 
> built-ins) AC_LINK_IFELSE(
>   [AC_LANG_SOURCE([[
>     static int loc;
>     int main(void)
>     {
>         int prev = __atomic_exchange_n(&loc, 7, __ATOMIC_RELAXED);
>         return 0;
>     }
>     ]])],
>   [AC_MSG_RESULT(no)],
>   [AC_MSG_RESULT(yes)
>    AC_CHECK_LIB(
>      [atomic], [__atomic_exchange_8],
>      [use_libatomic=yes],
>      [AC_MSG_FAILURE([__atomic_exchange_8 is not available])])
>   ])
>
> AC_MSG_CHECKING(whether -latomic is needed for 128-bit atomic 
> built-ins) AC_LINK_IFELSE(
>   [AC_LANG_SOURCE([[
>     static __int128 loc;
>     int main(void)
>     {
>         __int128 prev;
>         prev = __atomic_exchange_n(&loc, 7, __ATOMIC_RELAXED);
>         return 0;
>     }
>     ]])],
>   [AC_MSG_RESULT(no)],
>   [AC_MSG_RESULT(yes)
>    AC_CHECK_LIB(
>      [atomic], [__atomic_exchange_16],
>      [use_libatomic=yes],
>      [AC_MSG_CHECKING([cannot detect support for 128-bit atomics])])
>   ])
>
> if test "x$use_libatomic" = "xyes"; then
>   ATOMIC_LIBS="-latomic"
> fi
> AC_SUBST([ATOMIC_LIBS])
>
>
> Is there anything I can do with 5.3.1 except of removing the new lines in 
> configure.m4?
>
> Thanks,
> Liron

Attachment: configure.log
Description: configure.log

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