BBC: Blead Breaks Math::Pari

[cjg-cguevara]

This is a bug report for perl from "Carlos Guevara" [email protected],
generated with the help of perlbug 1.43 running under perl 5.41.10.

---

BBC: Blead Breaks Math::Pari

Please see http://fast-matrix.cpantesters.org/?dist=Math-Pari-2.030523

---

Flags

• category=core
• severity=low

---

Perl configuration

Site configuration information for perl 5.41.10:

Configured by cpan at Wed Mar 19 19:07:14 EDT 2025.

Summary of my perl5 (revision 5 version 41 subversion 10) configuration:
  Commit id: abaee7c6ca652e5e74f8bc3ebffc49a92341bd65
  Platform:
    osname=linux
    osvers=5.14.0-503.31.1.el9_5.x86_64
    archname=x86_64-linux
    uname='linux cjg-rhel9 5.14.0-503.31.1.el9_5.x86_64 #1 smp preempt_dynamic thu mar 6 09:41:44 est 2025 x86_64 x86_64 x86_64 gnulinux '
    config_args='-des -Dprefix=/home/cpan/bin/perl -Dscriptdir=/home/cpan/bin/perl/bin -Dusedevel -Duse64bitall'
    hint=recommended
    useposix=true
    d_sigaction=define
    useithreads=undef
    usemultiplicity=undef
    use64bitint=define
    use64bitall=define
    uselongdouble=undef
    usemymalloc=n
    default_inc_excludes_dot=define
  Compiler:
    cc='cc'
    ccflags ='-fwrapv -fno-strict-aliasing -pipe -fstack-protector-strong -I/usr/local/include -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -D_FORTIFY_SOURCE=2'
    optimize='-O2'
    cppflags='-fwrapv -fno-strict-aliasing -pipe -fstack-protector-strong -I/usr/local/include'
    ccversion=''
    gccversion='11.5.0 20240719 (Red Hat 11.5.0-5)'
    gccosandvers=''
    intsize=4
    longsize=8
    ptrsize=8
    doublesize=8
    byteorder=12345678
    doublekind=3
    d_longlong=define
    longlongsize=8
    d_longdbl=define
    longdblsize=16
    longdblkind=3
    ivtype='long'
    ivsize=8
    nvtype='double'
    nvsize=8
    Off_t='off_t'
    lseeksize=8
    alignbytes=8
    prototype=define
  Linker and Libraries:
    ld='cc'
    ldflags =' -fstack-protector-strong -L/usr/local/lib'
    libpth=/usr/local/lib /usr/lib /usr/lib64 /usr/local/lib64
    libs=-lpthread -ldb -ldl -lm -lcrypt -lutil -lc
    perllibs=-lpthread -ldl -lm -lcrypt -lutil -lc
    libc=/lib/../lib64/libc.so.6
    so=so
    useshrplib=false
    libperl=libperl.a
    gnulibc_version='2.34'
  Dynamic Linking:
    dlsrc=dl_dlopen.xs
    dlext=so
    d_dlsymun=undef
    ccdlflags='-Wl,-E'
    cccdlflags='-fPIC'
    lddlflags='-shared -O2 -L/usr/local/lib -fstack-protector-strong'


---
@INC for perl 5.41.10:
    /home/cpan/bin/perl/lib/site_perl/5.41.10/x86_64-linux
    /home/cpan/bin/perl/lib/site_perl/5.41.10
    /home/cpan/bin/perl/lib/5.41.10/x86_64-linux
    /home/cpan/bin/perl/lib/5.41.10

---
Environment for perl 5.41.10:
    HOME=/home/cpan
    LANG=en_US.UTF-8
    LANGUAGE (unset)
    LC_ALL=C
    LD_LIBRARY_PATH (unset)
    LOGDIR (unset)
    PATH=/home/cpan/bin/perl/bin:/home/cpan/bin:/usr/share/Modules/bin:/usr/local/bin:/usr/bin:/usr/local/sbin:/usr/sbin
    PERL_BADLANG (unset)
    SHELL=/bin/bash

[jkeenan]

Bisecting with the following invocation:

perl Porting/bisect.pl \
--start=v5.41.9 \
--end=v5.41.10 \
--module=Math::Pari

... 1793561 was identified as the breaking commit:

179356156963a4b43629d91b6c8abc3030e76739 is the first bad commit
commit 179356156963a4b43629d91b6c8abc3030e76739
Author: Chris 'BinGOs' Williams <[email protected]>
Date:   Fri Mar 14 11:39:15 2025 +0000
Commit:     Chris 'BinGOs' Williams <[email protected]>
CommitDate: Fri Mar 14 11:44:54 2025 +0000

    Update ExtUtils-MakeMaker to CPAN version 7.72

@bingos can you take a look? Thanks.

[bingos]

@mohawk2 said he would have a look

[jkeenan]

This is a build-time failure. Here is an extensively trimmed version of the output I get from attempting to install Math::Pari (via cpan) against an unthreaded perl built on Linux at v5.41.10-8-ge5ef137f91 (March 24).

$ ./bin/cpan Math::Pari
Loading internal logger. Log::Log4perl recommended for better logging
Reading '/home/jkeenan/.cpan/Metadata'
  Database was generated on Mon, 24 Mar 2025 19:17:02 GMT
Running install for module 'Math::Pari'
Checksum for /home/jkeenan/.cpan/sources/authors/id/I/IL/ILYAZ/modules/Math-Pari-2.030523.tar.gz ok
'YAML' not installed, will not store persistent state
Configuring I/IL/ILYAZ/modules/Math-Pari-2.030523.tar.gz with Makefile.PL
Did not find GP/PARI build directory around.
Non-interactive session, autofetching...

Getting GP/PARI from ftp://megrez.math.u-bordeaux.fr/pub/pari/
Not in this directory, now chdir('unix')...
Not in this directory, now chdir('../OLD/2.3')...
Available golden versions: `2.3.2 2.3.1 2.3.0 2.3.4 2.3.5 2.3.3'
Latest supported golden is `pari-2.3.5.tar.gz'
Picking golden version 2.3.5, file pari-2.3.5.tar.gz
Downloading `ftp://megrez.math.u-bordeaux.fr/pub/pari/pari-2.3.5.tar.gz'...
Downloaded...
Extracting...
gzip -dc pari-2.3.5.tar.gz | tar -xvf -
pari-2.3.5/
pari-2.3.5/CHANGES
...
pari-2.3.5/examples/lucas.gp
pari-2.3.5/README.os2
Looking for patches for 2.3.5...
Patching...
cd pari-2.3.5 && patch -p1  < ../patches/diff_2.3.5_stderr_clobber
patching file src/language/init.c
cd pari-2.3.5 && patch -p1  < ../patches/diff_add_gnuplotNeeded
patching file src/graph/plotX.c
patching file src/graph/plotport.c
patching file src/graph/rect.h
patching file src/gp/highlvl.h
cd pari-2.3.5 && patch -p1  < ../patches/diff_add_gnuplotAdd
patching file src/graph/Gnuplot.h
patching file src/graph/plotgnuplot.c
patching file src/functions/graphic/plotterm
Finished patching...
Found GP/PARI build directory in pari-2.3.5
     (integer-formatted version 2003005).

  ### In version 2.3.* of GP/PARI library, the test t/55_intnum.t takes
  ###    significant time to complete.

Setting up Math::Pari with Perl 5.041011 on linux version 6.8.0-55-generic;
   cc=cc, gccversion=13.3.0, cccdlflags='-fPIC',
   ccflags='-fwrapv -fno-strict-aliasing -pipe -fstack-protector-strong -I/usr/local/include -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64',
   optimize='-O2',
   ld=cc, ldflags=' -fstack-protector-strong -L/usr/local/lib'.
...Generating libPARI/paricfg.h ...
Scanning header files...
...ulong
...getrusage
...CLK_TCK not defined
Creating libPARI/paricfg.h...
Trying to find DATADIR of an installed version of GP/PARI (if such exists)...
sh: 1: gp: not found
...Processor of family `x86_64' detected
Checking if your kit is complete...
Looks good
...Processor of family `x86_64' detected
...I will use assembler build of type 'x86_64'.
...Assembler is GNU assembler
funclist needs to be autogenerated...
   ... Need to autogenerate funclist ourselves...
Writing MYMETA.yml and MYMETA.json
Generating a Unix-style Makefile
Writing Makefile for Math::Pari
Writing MYMETA.yml and MYMETA.json
  ILYAZ/modules/Math-Pari-2.030523.tar.gz
  /home/jkeenan/testing/blead/bin/perl Makefile.PL -- OK
Running make for I/IL/ILYAZ/modules/Math-Pari-2.030523.tar.gz
cp Pari.pm blib/lib/Math/Pari.pm
cp libPARI.dumb.pod blib/lib/Math/libPARI.dumb.pod
cp libPARI.pod blib/lib/Math/libPARI.pod
cp PariInit.pm blib/lib/Math/PariInit.pm
cd libPARI && make LIBPERL_A="libperl.a" LINKTYPE="dynamic" OPTIMIZE="-O2" PREFIX="/home/jkeenan/testing/blead" PASTHRU_DEFINE=' -DPARI_VERSION_EXP=2003005 -DDEBUG_PARI -DUSE_SLOW_ARRAY_ACCESS -DUSE_SLOW_NARGS_ACCESS -DLSB_in_U32=0 -Derr=pari_err -DGCC_INLINE -DHAVE_PARIPRIV ' PASTHRU_INC=' -I pari-2.3.5/src -I pari-2.3.5/src/headers -I pari-2.3.5/src -I ./libPARI '
make[1]: Entering directory '/home/jkeenan/.cpan/build/Math-Pari-2.030523-0/libPARI'
Makefile:1153: *** target file 'test_static' has both : and :: entries.  Stop.
make[1]: Leaving directory '/home/jkeenan/.cpan/build/Math-Pari-2.030523-0/libPARI'
make: *** [Makefile:1130: subdirs-make] Error 2
  ILYAZ/modules/Math-Pari-2.030523.tar.gz
  /usr/bin/make -- NOT OK