[petsc-dev] PTScotch problem on Mac

Matthew Knepley knepley at gmail.com
Tue Nov 23 12:30:08 CST 2021


On Tue, Nov 23, 2021 at 12:56 PM Matthew Knepley <knepley at gmail.com> wrote:

> On Tue, Nov 23, 2021 at 12:29 PM Satish Balay <balay at mcs.anl.gov> wrote:
>
>> The primary difference I can spot [as you say] is the older xcode you
>> have. Eventhough it says the same version of flex - perhaps its buggy?
>>
>> Apple clang version 11.0.3 (clang-1103.0.32.59)
>> vs
>> Apple clang version 12.0.0 (clang-1200.0.32.2)
>>
>>
>> >
>> PATH=/PETSc3/cig/bin:/PETSc3/petsc/petsc-pylith/arch-pylith-debug/bin:/PETSc3/petsc/apple/bin:/Library/Frameworks/Python.framework/Versions/3.8/bin:/opt/local/bin:/opt/local/sbin:/usr/local/bin:/usr/bin:/bin:/usr/sbin:/sbin:/usr/texbin:/opt/X11/bin:/usr/local/git/bin:/Library/Frameworks/Python.framework/Versions/3.8/bin:/opt/local/bin:/opt/local/sbin:/usr/X11/bin:/usr/local/texlive/2019/bin/x86_64-darwin:/usr/local/cuda/bin:/usr/local/gmt/bin:/usr/local/bin:/usr/X11/bin:/usr/local/texlive/2019/bin/x86_64-darwin:/usr/local/cuda/bin:/usr/local/gmt/bin
>>
>> BTW: Can you try a build with the following and see if it makes a
>> difference?
>>
>> PATH=/usr/local/bin:/usr/bin:/bin:/usr/sbin:/sbin:/opt/X11/bin
>> ./configure PETSC_ARCH=arch-test --with-mpi-dir=/PETSc3/petsc/apple
>> --download-c2html --download-ptscotch
>>
>
> Damn damn damn damn. Now I have to bisect the PATH to see how in the world
> that can make a difference.
>

Okay, the configure succeeds by taking out /opt/local/bin:/opt/local/sbin,
but I cannot figure out why this would be the case?

knepley/feature-plex-multiple-hybrid *$:/PETSc3/petsc/petsc-pylith$ ls
/opt/local/sbin/
knepley/feature-plex-multiple-hybrid *$:/PETSc3/petsc/petsc-pylith$ ls
/opt/local/bin/
a2p                     envsubst                libnetcfg-5.12
 perlivp-5.8             prove
a2p-5.12                find2perl               libnetcfg-5.8
perlthanks              prove-5.12
a2p-5.8                 find2perl-5.12          msgattrib
perlthanks-5.12         prove-5.8
autoconf263             find2perl-5.8           msgcat
 perlthanks-5.8          psed

autoheader263           gettext                 msgcmp
 piconv                  psed-5.12
autom4te263             gettext.sh              msgcomm
piconv-5.12             psed-5.8
autopoint               gettextize              msgconv
piconv-5.8              pstruct
autoreconf263           ghc                     msgen
pl2pm                   pstruct-5.12
autoscan263             ghc-6.10.4              msgexec
pl2pm-5.12              pstruct-5.8
autoupdate263           ghc-pkg                 msgfilter
pl2pm-5.8               ptar-5.12
c2ph                    ghc-pkg-6.10.4          msgfmt
 pod2html                ptardiff-5.12
c2ph-5.12               ghci                    msggrep
pod2html-5.12           recode-sr-latin
c2ph-5.8                ghci-6.10.4             msginit
pod2html-5.8            reset
c_rehash                gm4                     msgmerge
 pod2latex               runghc
captoinfo               gperf                   msgunfmt
 pod2latex-5.12          runhaskell
clear                   h2ph                    msguniq
pod2latex-5.8           s2p
config_data-5.12        h2ph-5.12               ncurses5-config
pod2man                 s2p-5.12
corelist-5.12           h2ph-5.8                ncursesw5-config
 pod2man-5.12            s2p-5.8
corelist-5.8            h2xs                    ngettext
 pod2man-5.8             shasum-5.12
cpan                    h2xs-5.12               openssl
pod2text                splain
cpan-5.12               h2xs-5.8                perl
 pod2text-5.12           splain-5.12
cpan-5.8                haddock                 perl5
pod2text-5.8            splain-5.8
cpan2dist               hasktags                perl5.12
 pod2usage               tabs
cpan2dist-5.12          help2man                perl5.12.3
 pod2usage-5.12          tic
cpanp                   hp2ps                   perl5.8
pod2usage-5.8           toe
cpanp-5.12              hpc                     perl5.8.9
podchecker              tput
cpanp-run-perl          hsc2hs                  perlbug
podchecker-5.12         tset
cpanp-run-perl-5.12     iconv                   perlbug-5.12
 podchecker-5.8          wget
daemondo                idn                     perlbug-5.8
podselect               xgettext
dprofpp                 ifnames263              perlcc-5.8
 podselect-5.12          xmlwf
dprofpp-5.12            infocmp                 perldoc
podselect-5.8           xsubpp
dprofpp-5.8             infotocap               perldoc-5.12
 port                    xsubpp-5.12
enc2xs                  instmodsh-5.12          perldoc-5.8
portf                   xsubpp-5.8
enc2xs-5.12             instmodsh-5.8           perlivp
portindex
enc2xs-5.8              libnetcfg               perlivp-5.12
 portmirror

  Thanks,

     Matt


>   Thanks,
>
>      Matt
>
>
>> Satish
>>
>>
>> On Tue, 23 Nov 2021, Matthew Knepley wrote:
>>
>> > Here it is.
>> >
>> >   Matt
>> >
>> > On Tue, Nov 23, 2021 at 11:44 AM Satish Balay <balay at mcs.anl.gov>
>> wrote:
>> >
>> > > On Tue, 23 Nov 2021, Matthew Knepley wrote:
>> > >
>> > > > On Tue, Nov 23, 2021 at 11:28 AM Satish Balay <balay at mcs.anl.gov>
>> wrote:
>> > > >
>> > > > > Well we don't have this issue on our (macos) CI boxes where both
>> c2html
>> > > > > and scotch build and run daily [in CI]
>> > > > >
>> > > > > what 'flex' are you using? And why does it behave differently on
>> your
>> > > box?
>> > > > >
>> > > >
>> > > > main *$:/PETSc3/petsc/petsc-dev$ which flex
>> > > > /usr/bin/flex
>> > > > main *$:/PETSc3/petsc/petsc-dev$ flex --version
>> > > > flex 2.5.35 Apple(flex-32)
>> > > >
>> > > >
>> > > > > And what errors do you get?
>> > > > >
>> > > >
>> > > > Without the extra input define in PTScotch.py, I get the yylval
>> symbol
>> > > > undefined and the lexer symbol. When I give
>> > > > that define as input, only the lexer symbol is undefined.
>> > >
>> > > BTW: Can you send the log?
>> > >
>> > > Satish
>> > >
>> > > >
>> > > >
>> > > > > Perhaps CI is using older xcode (command line tools) - and you are
>> > > using
>> > > > > newer? Or something else?
>> > > > >
>> > > >
>> > > > Probably the other way around. I am on Catalina 10.15.6
>> > > >
>> > > >    Matt
>> > > >
>> > > >
>> > > > > Barry - do you have this issue on your machine?
>> > > > >
>> > > > > balay at ypro ~ % which flex
>> > > > > /usr/bin/flex
>> > > > > balay at ypro ~ % /usr/bin/flex --version
>> > > > > flex 2.5.35 Apple(flex-32)
>> > > > > balay at ypro petsc % clang -v
>> > > > > Apple clang version 12.0.0 (clang-1200.0.32.2)
>> > > > > Target: x86_64-apple-darwin19.6.0
>> > > > > Thread model: posix
>> > > > > InstalledDir: /Library/Developer/CommandLineTools/usr/bin
>> > > > > balay at ypro ~ % balay at ypro petsc % ./configure
>> > > > > --with-mpi-dir=$HOME/mpich-3.4.2 --download-c2html
>> --download-ptscotch
>> > > > >
>> > > > > <log attached>
>> > > > >
>> > > > >
>> > > > > Satish
>> > > > >
>> > > > > On Tue, 23 Nov 2021, Matthew Knepley wrote:
>> > > > >
>> > > > > > This is the same flex problem as I had for c2html, but I was
>> more
>> > > > > > determined tracking it down this time. The first problem is
>> that we
>> > > were
>> > > > > > not renaming in the parser,
>> > > > > >
>> > > > > > main *$:/PETSc3/petsc/petsc-dev$ git diff
>> > > > > > diff --git a/config/BuildSystem/config/packages/PTScotch.py
>> > > > > > b/config/BuildSystem/config/packages/PTScotch.py
>> > > > > > index d1c277b6e9f..e046804c17f 100644
>> > > > > > --- a/config/BuildSystem/config/packages/PTScotch.py
>> > > > > > +++ b/config/BuildSystem/config/packages/PTScotch.py
>> > > > > > @@ -70,7 +70,7 @@ class Configure(config.package.Package):
>> > > > > >      if self.libraries.add('-lrt','timer_create'): ldflags += '
>> -lrt'
>> > > > > >      self.cflags = self.cflags + ' -DCOMMON_RANDOM_FIXED_SEED'
>> > > > > >      # do not use -DSCOTCH_PTHREAD because requires MPI built
>> for
>> > > > > threads.
>> > > > > > -    self.cflags = self.cflags + ' -DSCOTCH_RENAME
>> > > > > > -Drestrict="'+self.compilers.cRestrict+'"'
>> > > > > > +    self.cflags = self.cflags + ' -DSCOTCH_RENAME
>> > > -DSCOTCH_RENAME_PARSER
>> > > > > > -Drestrict="'+self.compilers.cRestrict+'"'
>> > > > > >      # this is needed on the Mac, because common2.c includes
>> common.h
>> > > > > which
>> > > > > > DOES NOT include mpi.h because
>> > > > > >      # SCOTCH_PTSCOTCH is NOT defined above Mac does not know
>> what
>> > > > > > clock_gettime() is!
>> > > > > >      if self.setCompilers.isDarwin(self.log):
>> > > > > >
>> > > > > > Second, they were not treating this case completely correctly:
>> > > > > >
>> > > > > >
>> > > > >
>> > >
>> (93454e8...):/PETSc3/petsc/petsc-dev/arch-master-debug/externalpackages/git.ptscotch/src/libscotch$
>> > > > > > git diff HEAD~1
>> > > > > > diff --git a/src/libscotch/parser_yy.h
>> b/src/libscotch/parser_yy.h
>> > > > > > index 931315d..95b8160 100644
>> > > > > > --- a/src/libscotch/parser_yy.h
>> > > > > > +++ b/src/libscotch/parser_yy.h
>> > > > > > @@ -62,6 +62,9 @@
>> > > > > >
>> > > > > >  #if ((defined SCOTCH_RENAME_PARSER) || (defined yylex)) /* If
>> prefix
>> > > > > > renaming    */
>> > > > > >  #define scotchyyparse               stratParserParse2 /* Parser
>> > > function
>> > > > > > name    */
>> > > > > > +#if !defined(yylex)
>> > > > > > +#define yylex                       scotchyylex
>> > > > > > +#endif
>> > > > > >  #ifndef yylval
>> > > > > >  #define yylval                      SCOTCH_NAME_MACRO3
>> (scotchyy,
>> > > > > > SCOTCH_NAME_SUFFIXC, lval) /* It should be Yacc/Bison's job to
>> > > redefine
>> > > > > it!
>> > > > > >  */
>> > > > > >  #endif /* yylval              */
>> > > > > >
>> > > > > > How should we go about getting this fix in? Do you need to have
>> our
>> > > own
>> > > > > > branch of PTScotch?
>> > > > > >
>> > > > > >   Thanks,
>> > > > > >
>> > > > > >      Matt
>> > > > > >
>> > > > > >
>> > > > >
>> > > >
>> > > >
>> > > >
>> > >
>> > >
>> >
>> >
>>
>>
>
> --
> What most experimenters take for granted before they begin their
> experiments is infinitely more interesting than any results to which their
> experiments lead.
> -- Norbert Wiener
>
> https://www.cse.buffalo.edu/~knepley/
> <http://www.cse.buffalo.edu/~knepley/>
>


-- 
What most experimenters take for granted before they begin their
experiments is infinitely more interesting than any results to which their
experiments lead.
-- Norbert Wiener

https://www.cse.buffalo.edu/~knepley/ <http://www.cse.buffalo.edu/~knepley/>
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