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List:       lustre-discuss
Subject:    Re: [lustre-discuss] Compiling latest lustre client.
From:       "Glossman, Bob" <bob.glossman () intel ! com>
Date:       2016-08-11 14:09:19
Message-ID: C51B9739-EBA9-4A43-AF13-B210DA6D0F51 () intel ! com
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Phil,
  This is a known issue and is due to using gcc 5.   While it never did make much \
sense to have ‘extern inline' declarations in #include files, all previous versions \
of gcc silently allowed it.  In gcc 5 it generates errors.  There is a bug fix \
planned, but not landed yet.  It hasn't been an acute problem as none of the linux \
distros we have committed support for are using gcc 5 yet.

If you want to fix it on your own until we have an official patch landed, just remove \
the ‘inline' keyword from all the offending definitions, both in the .h files and \
in the .c files where the functions are actually defined.

Bob Glossman
HPDD SW Engineer

On 8/11/16, 6:48 AM, "lustre-discuss on behalf of Phill Harvey-Smith" \
<lustre-discuss-bounces@lists.lustre.org on behalf of p.harvey-smith@warwick.ac.uk> \
wrote:

    Hi all,
    
    Ubuntu 16.04 LTS, kernel
    
    Linux test-r710 4.4.0-22-generic #40-Ubuntu SMP Thu May 12 22:03:46 UTC 
    2016 x86_64 x86_64 x86_64 GNU/Linux
    
    gcc --version
    
    gcc (Ubuntu 5.4.0-6ubuntu1~16.04.2) 5.4.0 20160609
    
    
    Trying to compile the latest lustre client to try and resolve my hanging 
    issue, followed the following procedure :
    
    git clone git://git.whamcloud.com/fs/lustre-release.git
    cd lustre-release
    sh autogen.sh
    ./configure --disable-server --with-o2ib=no
    make
    
    It compiles a whole bunch of stuff then bombs out with :
    
    Making all in mpi
    make[4]: Entering directory 
    '/other/src/Lustre/lustre-release-2016-08-11/lustre/tests/mpi'
    mpicc -DHAVE_CONFIG_H -I. -I../../..   -include 
    /other/src/Lustre/lustre-release-2016-08-11/undef.h -include 
    /other/src/Lustre/lustre-release-2016-08-11/config.h 
    -I/other/src/Lustre/lustre-release-2016-08-11/libcfs/include 
    -I/other/src/Lustre/lustre-release-2016-08-11/lnet/include 
    -I/other/src/Lustre/lustre-release-2016-08-11/lustre/include  -fPIC 
    -D_LARGEFILE64_SOURCE=1 -D_FILE_OFFSET_BITS=64 -DLUSTRE_UTILS=1 -g -O2 
    -Wall -Werror -MT parallel_grouplock.o -MD -MP -MF 
    .deps/parallel_grouplock.Tpo -c -o parallel_grouplock.o parallel_grouplock.c
    In file included from parallel_grouplock.c:53:0:
    lp_utils.h:71:20: error: inline function ‘end' declared but never 
    defined [-Werror]
      extern inline void end(char *str);
                         ^
    lp_utils.h:70:20: error: inline function ‘begin' declared but never 
    defined [-Werror]
      extern inline void begin(char *str);
                         ^
    cc1: all warnings being treated as errors
    Makefile:558: recipe for target 'parallel_grouplock.o' failed
    make[4]: *** [parallel_grouplock.o] Error 1
    make[4]: Leaving directory 
    '/other/src/Lustre/lustre-release-2016-08-11/lustre/tests/mpi'
    Makefile:1284: recipe for target 'all-recursive' failed
    make[3]: *** [all-recursive] Error 1
    make[3]: Leaving directory 
    '/other/src/Lustre/lustre-release-2016-08-11/lustre/tests'
    autoMakefile:484: recipe for target 'all-recursive' failed
    make[2]: *** [all-recursive] Error 1
    make[2]: Leaving directory 
    '/other/src/Lustre/lustre-release-2016-08-11/lustre'
    autoMakefile:583: recipe for target 'all-recursive' failed
    make[1]: *** [all-recursive] Error 1
    make[1]: Leaving directory '/other/src/Lustre/lustre-release-2016-08-11'
    autoMakefile:477: recipe for target 'all' failed
    make: *** [all] Error 2
    
    
    Any clues?
    
    Cheers.
    
    Phill.
    
    
    
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