[mpich-discuss] mpich build error

Thu Oct 22 00:13:54 CDT 2015

Using autotools is only for mpich developers.  We do what we can to try to find autotools version mismatches in autogen.sh, but it's not meant to be thorough.  As a user, please download a tarball.

  -- Pavan

From: Sayan Ghosh <sayandeep52 at gmail.com<mailto:sayandeep52 at gmail.com>>
Reply-To: "discuss at mpich.org<mailto:discuss at mpich.org>" <discuss at mpich.org<mailto:discuss at mpich.org>>
Date: Wednesday, October 21, 2015 at 10:09 PM
To: "discuss at mpich.org<mailto:discuss at mpich.org>" <discuss at mpich.org<mailto:discuss at mpich.org>>
Subject: Re: [mpich-discuss] mpich build error

Yes Jeff, you're right.

I found out that it was an autotools issue, I updated autotools, and now mpich builds properly for me, with icc/gcc. The idea to look into autotools came to me from this trac discussion (that was a different issue perhaps, but still):
https://trac.mpich.org/projects/mpich/ticket/1840

sg at sg:~/proj$ m4 --version
m4 (GNU M4) 1.4.17
sg at sg:~/proj$ automake --version
automake (GNU automake) 1.15
sg at sg:~/proj$ autoconf --version
autoconf (GNU Autoconf) 2.69
sg at sg:~/proj$ libtool --version
libtool (GNU libtool) 2.4.6

Thanks,
Sayan

On Wed, Oct 21, 2015 at 5:47 PM, Jeff Hammond <jeff.science at gmail.com<mailto:jeff.science at gmail.com>> wrote:
Since C is ABI compatible, just build MPICH with GCC and like with ICC apps.

FWIW I compile MPICH with Intel 15/16 all the time without issues. But I'll try the latest git version to be sure.

Jeff

On Wednesday, October 21, 2015, Sayan Ghosh <sayandeep52 at gmail.com<mailto:sayandeep52 at gmail.com>> wrote:
Thanks Rob, here is the specific part from my mpl config, almost looks like your config:

configure:13058: checking for strncmp
configure:13058: icc -std=gnu99 -o conftest       conftest.c  >&5
configure:13058: $? = 0
configure:13058: result: yes
configure:13070: checking whether strncmp needs a declaration
configure:13089: icc -std=gnu99 -c      conftest.c >&5
configure:13089: $? = 0
configure:13097: result: no

I get build errors even with GCC 4.9 and clang with older versions of mpich, so this is definitely a system issue as you mentioned.

sg at sg:~/sources/mpich-3.1.4/build$ cat /etc/debian_version
8.2
sg at sg:~/sources/mpich-3.1.4/build$ uname -a
Linux sg 3.16.0-4-amd64 #1 SMP Debian 3.16.7-ckt11-1+deb8u5 (2015-10-09) x86_64 GNU/Linux

On Wed, Oct 21, 2015 at 7:39 AM, Rob Latham <robl at mcs.anl.gov> wrote:
The warnings are intel's preprocessor being a bit pickier than gnu's cpp

the errors, though, are indeed odd.
I will eat my sock if strncmp really truly is not on your system; far more likely the strncmp test failed for some unrelated reason.

Look at your src/mpl/config.log.  On my system, the (successful) check for strncmp looks like this:

configure:12723: checking for strncmp
configure:12723: ccache gcc -o conftest -Wall -g -Wno-unused-label -fstack-usage -fPIC -ggdb3   -I /home/robl/work/soft/lustre/include conftest.c  >&5
conftest.c:65:6: warning: conflicting types for built-in function 'strncmp'
 char strncmp ();
      ^
configure:12723: $? = 0
configure:12723: result: yes
configure:12734: checking whether strncmp needs a declaration
configure:12752: ccache gcc -c -Wall -g -Wno-unused-label -fstack-usage -fPIC -ggdb3   -I /home/robl/work/soft/lustre/include  conftest.c >&5
configure:12752: $? = 0
configure:12759: result: no

Does yours look like this?

==rob

Hi,

I am getting an error while trying to compile the latest mpich (from the
git repo) with Intel 15.0.1 compiler...excerpt of the error:

In file included from ../../.././src/mpl/include/mpl.h(10),
                  from ../../.././src/mpl/src/mplstr.c(7):
./include/mplconfig.h(238): warning #14: extra text after expected end
of preprocessing directive
   #ifndef _mpl_                 ^

In file included from ../../.././src/mpl/include/mpl.h(10),
                  from ../../.././src/mpl/src/mplstr.c(7):
./include/mplconfig.h(239): warning #2217: white space is required
between the macro name "_mpl_" and its replacement text
   #define _mpl_                   ^

In file included from ../../.././src/mpl/include/mpl.h(111),
                  from ../../.././src/mpl/src/mplstr.c(7):
../../.././src/mpl/include/mplstr.h(48): error: #error directive:
"strncmp is required"
   #error "strncmp is required"
    ^

../../.././src/mpl/src/mplstr.c(41): warning #266: function "isdigit"
declared implicitly
               if (isdigit(nc)) {
                   ^

Internal error: null pointer

Please suggest.

--
Regards,
Sayan

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--
Rob Latham
Mathematics and Computer Science Division
Argonne National Lab, IL USA
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--
Regards,
Sayan

--
Jeff Hammond
jeff.science at gmail.com<mailto:jeff.science at gmail.com>
http://jeffhammond.github.io/

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Regards,
Sayan
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