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'use bigrat' anywhere makes Math::BigRat::as_float return wrong results #15256

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p5pRT opened this issue Mar 30, 2016 · 6 comments
Closed

'use bigrat' anywhere makes Math::BigRat::as_float return wrong results #15256

p5pRT opened this issue Mar 30, 2016 · 6 comments

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@p5pRT
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p5pRT commented Mar 30, 2016

Migrated from rt.perl.org#127802 (status was 'rejected')

Searchable as RT127802$

@p5pRT
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p5pRT commented Mar 30, 2016

From @jimav

This is a bug report for perl from jim.avera@​gmail.com,
generated with the help of perlbug 1.40 running under perl 5.20.2.


Hello,

The as_float() method on Math​::BigRat objects seems to return wrong
values if "use bigrat" appears anywhere in the program, even an
unrelated scope. It is as if as_float() simply discards the denominator
of the BigRat and returns a BigFloat value equivalent to only the numerator.

I'm guessing there is a conversion-code bug in some case which is only
executed as a side-effect of the "use bigrat" pragma having been executed.

In any case, it doesn't seem right that "use bigrat" has global
effects which have nothing to do entering or existing the containing scope.

-Jim

#!/usr/bin/perl
use strict; use warnings;
use Math​::BigRat;
use Math​::BigFloat;
use Data​::Dumper; $Data​::Dumper​::Terse = 1; $Data​::Dumper​::Indent = 0;

my $x = Math​::BigRat->new("314/100");
my $xf = $x->as_float(); # expecting 3.14
print "\nBUG (x=$x xf=$xf)\n\n" # but got 157
  unless abs($xf - 3.14) < .01;

print "x = ", Dumper($x), "\n";
print "xf = ", Dumper($xf),"\n";

exit 0;

{ use bigrat } # commenting this out makes bug go away



Flags​:
  category=library
  severity=medium
  module=bigrat


Site configuration information for perl 5.20.2​:

Configured by Debian Project at Tue Mar 1 16​:51​:39 UTC 2016.

Summary of my perl5 (revision 5 version 20 subversion 2) configuration​:
 
  Platform​:
  osname=linux, osvers=3.13.0-79-generic, archname=x86_64-linux-gnu-thread-multi
  uname='linux lgw01-20 3.13.0-79-generic #123-ubuntu smp fri feb 19 14​:27​:58 utc 2016 x86_64 x86_64 x86_64 gnulinux '
  config_args='-Dusethreads -Duselargefiles -Dccflags=-DDEBIAN -D_FORTIFY_SOURCE=2 -g -O2 -fstack-protector-strong -Wformat -Werror=format-security -Dldflags= -Wl,-Bsymbolic-functions -Wl,-z,relro -Dlddlflags=-shared -Wl,-Bsymbolic-functions -Wl,-z,relro -Dcccdlflags=-fPIC -Darchname=x86_64-linux-gnu -Dprefix=/usr -Dprivlib=/usr/share/perl/5.20 -Darchlib=/usr/lib/x86_64-linux-gnu/perl/5.20 -Dvendorprefix=/usr -Dvendorlib=/usr/share/perl5 -Dvendorarch=/usr/lib/x86_64-linux-gnu/perl5/5.20 -Dsiteprefix=/usr/local -Dsitelib=/usr/local/share/perl/5.20.2 -Dsitearch=/usr/local/lib/x86_64-linux-gnu/perl/5.20.2 -Dman1dir=/usr/share/man/man1 -Dman3dir=/usr/share/man/man3 -Dsiteman1dir=/usr/local/man/man1 -Dsiteman3dir=/usr/local/man/man3 -Duse64bitint -Dman1ext=1 -Dman3ext=3perl -Dpager=/usr/bin/sensible-pager -Uafs -Ud_csh -Ud_ualarm -Uusesfio -Uusenm -Ui_libutil -Uversiononly -DDEBUGGING=-g -Doptimize=-O2 -Duseshrplib -Dlibperl=libperl.so.5.20.2 -des'
  hint=recommended, useposix=true, d_sigaction=define
  useithreads=define, usemultiplicity=define
  use64bitint=define, use64bitall=define, uselongdouble=undef
  usemymalloc=n, bincompat5005=undef
  Compiler​:
  cc='cc', ccflags ='-D_REENTRANT -D_GNU_SOURCE -DDEBIAN -fwrapv -fno-strict-aliasing -pipe -I/usr/local/include -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64',
  optimize='-O2 -g',
  cppflags='-D_REENTRANT -D_GNU_SOURCE -DDEBIAN -fwrapv -fno-strict-aliasing -pipe -I/usr/local/include'
  ccversion='', gccversion='5.2.1 20151010', gccosandvers=''
  intsize=4, longsize=8, ptrsize=8, doublesize=8, byteorder=12345678
  d_longlong=define, longlongsize=8, d_longdbl=define, longdblsize=16
  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 -L/usr/local/lib'
  libpth=/usr/local/lib /usr/lib/gcc/x86_64-linux-gnu/5/include-fixed /usr/include/x86_64-linux-gnu /usr/lib /lib/x86_64-linux-gnu /lib/../lib /usr/lib/x86_64-linux-gnu /usr/lib/../lib /lib
  libs=-lgdbm -lgdbm_compat -ldb -ldl -lm -lpthread -lc -lcrypt
  perllibs=-ldl -lm -lpthread -lc -lcrypt
  libc=libc-2.21.so, so=so, useshrplib=true, libperl=libperl.so.5.20
  gnulibc_version='2.21'
  Dynamic Linking​:
  dlsrc=dl_dlopen.xs, dlext=so, d_dlsymun=undef, ccdlflags='-Wl,-E'
  cccdlflags='-fPIC', lddlflags='-shared -L/usr/local/lib -fstack-protector'

Locally applied patches​:
  DEBPKG​:debian/cpan_definstalldirs - Provide a sensible INSTALLDIRS default for modules installed from CPAN.
  DEBPKG​:debian/db_file_ver - http​://bugs.debian.org/340047 Remove overly restrictive DB_File version check.
  DEBPKG​:debian/doc_info - Replace generic man(1) instructions with Debian-specific information.
  DEBPKG​:debian/enc2xs_inc - http​://bugs.debian.org/290336 Tweak enc2xs to follow symlinks and ignore missing @​INC directories.
  DEBPKG​:debian/errno_ver - http​://bugs.debian.org/343351 Remove Errno version check due to upgrade problems with long-running processes.
  DEBPKG​:debian/libperl_embed_doc - http​://bugs.debian.org/186778 Note that libperl-dev package is required for embedded linking
  DEBPKG​:fixes/respect_umask - Respect umask during installation
  DEBPKG​:debian/writable_site_dirs - Set umask approproately for site install directories
  DEBPKG​:debian/extutils_set_libperl_path - EU​:MM​: set location of libperl.a under /usr/lib
  DEBPKG​:debian/no_packlist_perllocal - Don't install .packlist or perllocal.pod for perl or vendor
  DEBPKG​:debian/prefix_changes - Fiddle with *PREFIX and variables written to the makefile
  DEBPKG​:debian/fakeroot - Postpone LD_LIBRARY_PATH evaluation to the binary targets.
  DEBPKG​:debian/instmodsh_doc - Debian policy doesn't install .packlist files for core or vendor.
  DEBPKG​:debian/ld_run_path - Remove standard libs from LD_RUN_PATH as per Debian policy.
  DEBPKG​:debian/libnet_config_path - Set location of libnet.cfg to /etc/perl/Net as /usr may not be writable.
  DEBPKG​:debian/mod_paths - Tweak @​INC ordering for Debian
  DEBPKG​:debian/module_build_man_extensions - http​://bugs.debian.org/479460 Adjust Module​::Build manual page extensions for the Debian Perl policy
  DEBPKG​:debian/prune_libs - http​://bugs.debian.org/128355 Prune the list of libraries wanted to what we actually need.
  DEBPKG​:fixes/net_smtp_docs - [rt.cpan.org #36038] http​://bugs.debian.org/100195 Document the Net​::SMTP 'Port' option
  DEBPKG​:debian/perlivp - http​://bugs.debian.org/510895 Make perlivp skip include directories in /usr/local
  DEBPKG​:debian/deprecate-with-apt - http​://bugs.debian.org/747628 Point users to Debian packages of deprecated core modules
  DEBPKG​:debian/squelch-locale-warnings - http​://bugs.debian.org/508764 Squelch locale warnings in Debian package maintainer scripts
  DEBPKG​:debian/skip-upstream-git-tests - Skip tests specific to the upstream Git repository
  DEBPKG​:debian/patchlevel - http​://bugs.debian.org/567489 List packaged patches for 5.20.2-6ubuntu0.2 in patchlevel.h
  DEBPKG​:debian/skip-kfreebsd-crash - http​://bugs.debian.org/628493 [perl #96272] Skip a crashing test case in t/op/threads.t on GNU/kFreeBSD
  DEBPKG​:fixes/document_makemaker_ccflags - http​://bugs.debian.org/628522 [rt.cpan.org #68613] Document that CCFLAGS should include $Config{ccflags}
  DEBPKG​:debian/find_html2text - http​://bugs.debian.org/640479 Configure CPAN​::Distribution with correct name of html2text
  DEBPKG​:debian/perl5db-x-terminal-emulator.patch - http​://bugs.debian.org/668490 Invoke x-terminal-emulator rather than xterm in perl5db.pl
  DEBPKG​:debian/cpan-missing-site-dirs - http​://bugs.debian.org/688842 Fix CPAN​::FirstTime defaults with nonexisting site dirs if a parent is writable
  DEBPKG​:fixes/memoize_storable_nstore - [rt.cpan.org #77790] http​://bugs.debian.org/587650 Memoize​::Storable​: respect 'nstore' option not respected
  DEBPKG​:debian/regen-skip - Skip a regeneration check in unrelated git repositories
  DEBPKG​:fixes/regcomp-mips-optim - [perl #122817] http​://bugs.debian.org/754054 Downgrade the optimization of regcomp.c on mips and mipsel due to a gcc-4.9 bug
  DEBPKG​:debian/makemaker-pasthru - http​://bugs.debian.org/758471 Pass LD settings through to subdirectories
  DEBPKG​:fixes/perldoc-less-R - [rt.cpan.org #98636] http​://bugs.debian.org/758689 Tell the 'less' pager to allow terminal escape sequences
  DEBPKG​:fixes/pod_man_reproducible_date - http​://bugs.debian.org/759405 Support POD_MAN_DATE in Pod​::Man for the left-hand footer
  DEBPKG​:fixes/io_uncompress_gunzip_inmemory - http​://bugs.debian.org/747363 [rt.cpan.org #95494] Fix gunzip to in-memory file handle
  DEBPKG​:fixes/socket_test_recv_fix - http​://bugs.debian.org/758718 [perl #122657] Compare recv return value to peername in socket test
  DEBPKG​:fixes/hurd_socket_recv_todo - http​://bugs.debian.org/758718 [perl #122657] TODO checking the result of recv() on hurd
  DEBPKG​:fixes/regexp-performance - [0fa70a0] http​://bugs.debian.org/777556 [perl #123743] simpify and speed up /.*.../ handling
  DEBPKG​:fixes/failed_require_diagnostics - http​://bugs.debian.org/781120 [perl #123270] Report inaccesible file on failed require
  DEBPKG​:fixes/array-cloning - http​://bugs.debian.org/779357 [perl #124127] [902d169] fix cloning arrays with unused elements
  DEBPKG​:fixes/perldb-threads - http​://bugs.debian.org/779357 [perl #124127] [41ef2c6] lib/perl5db.pl​: Restore noop lock prototype
  DEBPKG​:debian/locale-robustness - http​://bugs.debian.org/782068 [perl #124310] Make t/run/locale.t survive missing locales masked by LC_ALL
  DEBPKG​:fixes/gcc5-errno - http​://bugs.debian.org/778060 [perl #123784] [816b056] Fix Errno.pm generation for gcc-5.0
  DEBPKG​:fixes/h2ph-hex-constants - http​://bugs.debian.org/778060 [perl #123784] [3bea78d] h2ph​: correct handling of hex constants for the preamble
  DEBPKG​:fixes/h2ph-test-inc - http​://bugs.debian.org/778060 [perl #123784] [3359391] lib/h2ph.t to test generated t/_h2ph_pre.ph instead of the system one
  DEBPKG​:fixes/podman-utc - http​://bugs.debian.org/780259 Make the embedded date from Pod​::Man reproducible
  DEBPKG​:fixes/podman-utc-docs - http​://bugs.debian.org/780259 Documentation and test suite updates for UTC fix
  DEBPKG​:fixes/podman-empty-date - http​://bugs.debian.org/780259 Support an empty POD_MAN_DATE environment variable
  DEBPKG​:fixes/podman-pipe - http​://bugs.debian.org/777405 Better errors for man pages from standard input
  DEBPKG​:debian/pod2man-customized - Update porting/customized.dat for pod2man modifications
  DEBPKG​:fixes/CVE-2015-8607_file_spec_taint_fix - ensure File​::Spec​::canonpath() preserves taint
  DEBPKG​:fixes/CVE-2016-2381.patch - [PATCH 1/2] remove duplicate environment variables from environ


@​INC for perl 5.20.2​:
  /home/jima/perl5/lib/perl5/x86_64-linux-gnu-thread-multi
  /home/jima/perl5/lib/perl5
  /home/jima/lib/perl
  /etc/perl
  /usr/local/lib/x86_64-linux-gnu/perl/5.20.2
  /usr/local/share/perl/5.20.2
  /usr/lib/x86_64-linux-gnu/perl5/5.20
  /usr/share/perl5
  /usr/lib/x86_64-linux-gnu/perl/5.20
  /usr/share/perl/5.20
  /usr/local/lib/site_perl
  .


Environment for perl 5.20.2​:
  HOME=/home/jima
  LANG=en_US.UTF-8
  LANGUAGE=en_US
  LD_LIBRARY_PATH (unset)
  LOGDIR (unset)
  PATH=/home/jima/perl5/bin​:/home/jima/bin​:/home/jima/jima_tools/x86_64/bin​:/home/jima/jima_tools/bin​:/opt/Adobe/Reader9/bin​:/usr/bin​:/bin​:/usr/sbin​:/sbin​:/usr/bin/X11​:/usr/local/sbin​:/usr/games​:/usr/local/games​:/usr/lib/jvm/java-8-oracle/bin​:/usr/lib/jvm/java-8-oracle/db/bin​:/usr/lib/jvm/java-8-oracle/jre/bin​:.
  PERL5LIB=/home/jima/perl5/lib/perl5​:/home/jima/lib/perl
  PERL_BADLANG (unset)
  PERL_LOCAL_LIB_ROOT=/home/jima/perl5
  PERL_MB_OPT=--install_base "/home/jima/perl5"
  PERL_MM_OPT=INSTALL_BASE=/home/jima/perl5
  SHELL=/bin/bash

@p5pRT
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p5pRT commented Mar 30, 2016

From @jimav

On Tue Mar 29 17​:55​:34 2016, jim.avera@​gmail.com wrote​:

The as_float() method on Math​::BigRat objects seems to return wrong
values if "use bigrat" appears anywhere in the program

The Math​::BigRat man page says as_float() takes an optional accuracy argument with
a "default of 40 digits", but the man page has a contrary example which implies
the default accuracy is 1​:

"as_float()
  $x = Math​::BigRat->new('13/7');
  print $x->as_float(),"\n"; # '1' <--- I don't understand this

  $x = Math​::BigRat->new('2/3');
  print $x->as_float(5),"\n"; # '0.66667'

  Returns a copy of the object as BigFloat, preserving the accuracy as
  wanted, or the default of 40 digits.
"

Even if an accuracy is given explicitly, it seems to be ignored if "use bigrat" is ever compiled.

Probably related​: The following loops with infinite recursion​:

$ perl -wE 'use Math​::BigRat; $x=Math​::BigRat->new("2/3"); $y=$x->as_float(5); say $y-$x; use bigrat'

(but works fine if the trailing 'use bigrat' is removed)

@p5pRT
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p5pRT commented Mar 31, 2016

From @tonycoz

On Tue Mar 29 17​:55​:34 2016, jim.avera@​gmail.com wrote​:

The as_float() method on Math​::BigRat objects seems to return wrong
values if "use bigrat" appears anywhere in the program, even an
unrelated scope. It is as if as_float() simply discards the
denominator
of the BigRat and returns a BigFloat value equivalent to only the
numerator.

I'm guessing there is a conversion-code bug in some case which is only
executed as a side-effect of the "use bigrat" pragma having been
executed.

In any case, it doesn't seem right that "use bigrat" has global
effects which have nothing to do entering or existing the containing
scope.

bignum and Math​::Big* are now maintained on CPAN, not as part of the perl core.

That said, this appears to be caused by​:

  Math​::BigFloat->import(upgrade => 'Math​::BigRat', '​:constant');

in bigrat​::import(), if that's commented out the expected value is returned.

Tony

@p5pRT
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p5pRT commented Mar 31, 2016

The RT System itself - Status changed from 'new' to 'open'

@p5pRT
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p5pRT commented Apr 6, 2016

From @pjacklam

​I have forwarded this issue to CPAN RT, and I will look into it.​ The URL
is

https://rt.cpan.org/Public/Bug/Display.html?id=113588

Peter

2016-03-30 2​:55 GMT+02​:00 via RT <perlbug-followup@​perl.org>​:

# New Ticket Created by
# Please include the string​: [perl #127802]
# in the subject line of all future correspondence about this issue.
# <URL​: https://rt-archive.perl.org/perl5/Ticket/Display.html?id=127802 >

This is a bug report for perl from jim.avera@​gmail.com,
generated with the help of perlbug 1.40 running under perl 5.20.2.

-----------------------------------------------------------------
Hello,

The as_float() method on Math​::BigRat objects seems to return wrong
values if "use bigrat" appears anywhere in the program, even an
unrelated scope. It is as if as_float() simply discards the denominator
of the BigRat and returns a BigFloat value equivalent to only the
numerator.

I'm guessing there is a conversion-code bug in some case which is only
executed as a side-effect of the "use bigrat" pragma having been executed.

In any case, it doesn't seem right that "use bigrat" has global
effects which have nothing to do entering or existing the containing scope.

-Jim

#!/usr/bin/perl
use strict; use warnings;
use Math​::BigRat;
use Math​::BigFloat;
use Data​::Dumper; $Data​::Dumper​::Terse = 1; $Data​::Dumper​::Indent = 0;

my $x = Math​::BigRat->new("314/100");
my $xf = $x->as_float(); # expecting 3.14
print "\nBUG (x=$x xf=$xf)\n\n" # but got 157
unless abs($xf - 3.14) < .01;

print "x = ", Dumper($x), "\n";
print "xf = ", Dumper($xf),"\n";

exit 0;

{ use bigrat } # commenting this out makes bug go away

-----------------------------------------------------------------
---
Flags​:
category=library
severity=medium
module=bigrat
---
Site configuration information for perl 5.20.2​:

Configured by Debian Project at Tue Mar 1 16​:51​:39 UTC 2016.

Summary of my perl5 (revision 5 version 20 subversion 2) configuration​:

Platform​:
osname=linux, osvers=3.13.0-79-generic,
archname=x86_64-linux-gnu-thread-multi
uname='linux lgw01-20 3.13.0-79-generic #123-ubuntu smp fri feb 19
14​:27​:58 utc 2016 x86_64 x86_64 x86_64 gnulinux '
config_args='-Dusethreads -Duselargefiles -Dccflags=-DDEBIAN
-D_FORTIFY_SOURCE=2 -g -O2 -fstack-protector-strong -Wformat
-Werror=format-security -Dldflags= -Wl,-Bsymbolic-functions -Wl,-z,relro
-Dlddlflags=-shared -Wl,-Bsymbolic-functions -Wl,-z,relro
-Dcccdlflags=-fPIC -Darchname=x86_64-linux-gnu -Dprefix=/usr
-Dprivlib=/usr/share/perl/5.20
-Darchlib=/usr/lib/x86_64-linux-gnu/perl/5.20 -Dvendorprefix=/usr
-Dvendorlib=/usr/share/perl5
-Dvendorarch=/usr/lib/x86_64-linux-gnu/perl5/5.20 -Dsiteprefix=/usr/local
-Dsitelib=/usr/local/share/perl/5.20.2
-Dsitearch=/usr/local/lib/x86_64-linux-gnu/perl/5.20.2
-Dman1dir=/usr/share/man/man1 -Dman3dir=/usr/share/man/man3
-Dsiteman1dir=/usr/local/man/man1 -Dsiteman3dir=/usr/local/man/man3
-Duse64bitint -Dman1ext=1 -Dman3ext=3perl -Dpager=/usr/bin/sensible-pager
-Uafs -Ud_csh -Ud_ualarm -Uusesfio -Uusenm -Ui_libutil -Uversiononly
-DDEBUGGING=-g -Doptimize=-O2 -Duseshrplib -Dlibperl=libperl.so.5.20.2 -des'
hint=recommended, useposix=true, d_sigaction=define
useithreads=define, usemultiplicity=define
use64bitint=define, use64bitall=define, uselongdouble=undef
usemymalloc=n, bincompat5005=undef
Compiler​:
cc='cc', ccflags ='-D_REENTRANT -D_GNU_SOURCE -DDEBIAN -fwrapv
-fno-strict-aliasing -pipe -I/usr/local/include -D_LARGEFILE_SOURCE
-D_FILE_OFFSET_BITS=64',
optimize='-O2 -g',
cppflags='-D_REENTRANT -D_GNU_SOURCE -DDEBIAN -fwrapv
-fno-strict-aliasing -pipe -I/usr/local/include'
ccversion='', gccversion='5.2.1 20151010', gccosandvers=''
intsize=4, longsize=8, ptrsize=8, doublesize=8, byteorder=12345678
d_longlong=define, longlongsize=8, d_longdbl=define, longdblsize=16
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 -L/usr/local/lib'
libpth=/usr/local/lib /usr/lib/gcc/x86_64-linux-gnu/5/include-fixed
/usr/include/x86_64-linux-gnu /usr/lib /lib/x86_64-linux-gnu /lib/../lib
/usr/lib/x86_64-linux-gnu /usr/lib/../lib /lib
libs=-lgdbm -lgdbm_compat -ldb -ldl -lm -lpthread -lc -lcrypt
perllibs=-ldl -lm -lpthread -lc -lcrypt
libc=libc-2.21.so, so=so, useshrplib=true, libperl=libperl.so.5.20
gnulibc_version='2.21'
Dynamic Linking​:
dlsrc=dl_dlopen.xs, dlext=so, d_dlsymun=undef, ccdlflags='-Wl,-E'
cccdlflags='-fPIC', lddlflags='-shared -L/usr/local/lib
-fstack-protector'

Locally applied patches​:
DEBPKG​:debian/cpan_definstalldirs - Provide a sensible INSTALLDIRS
default for modules installed from CPAN.
DEBPKG​:debian/db_file_ver - http​://bugs.debian.org/340047 Remove
overly restrictive DB_File version check.
DEBPKG​:debian/doc_info - Replace generic man(1) instructions with
Debian-specific information.
DEBPKG​:debian/enc2xs_inc - http​://bugs.debian.org/290336 Tweak enc2xs
to follow symlinks and ignore missing @​INC directories.
DEBPKG​:debian/errno_ver - http​://bugs.debian.org/343351 Remove Errno
version check due to upgrade problems with long-running processes.
DEBPKG​:debian/libperl_embed_doc - http​://bugs.debian.org/186778 Note
that libperl-dev package is required for embedded linking
DEBPKG​:fixes/respect_umask - Respect umask during installation
DEBPKG​:debian/writable_site_dirs - Set umask approproately for site
install directories
DEBPKG​:debian/extutils_set_libperl_path - EU​:MM​: set location of
libperl.a under /usr/lib
DEBPKG​:debian/no_packlist_perllocal - Don't install .packlist or
perllocal.pod for perl or vendor
DEBPKG​:debian/prefix_changes - Fiddle with *PREFIX and variables
written to the makefile
DEBPKG​:debian/fakeroot - Postpone LD_LIBRARY_PATH evaluation to the
binary targets.
DEBPKG​:debian/instmodsh_doc - Debian policy doesn't install .packlist
files for core or vendor.
DEBPKG​:debian/ld_run_path - Remove standard libs from LD_RUN_PATH as
per Debian policy.
DEBPKG​:debian/libnet_config_path - Set location of libnet.cfg to
/etc/perl/Net as /usr may not be writable.
DEBPKG​:debian/mod_paths - Tweak @​INC ordering for Debian
DEBPKG​:debian/module_build_man_extensions -
http​://bugs.debian.org/479460 Adjust Module​::Build manual page extensions
for the Debian Perl policy
DEBPKG​:debian/prune_libs - http​://bugs.debian.org/128355 Prune the
list of libraries wanted to what we actually need.
DEBPKG​:fixes/net_smtp_docs - [rt.cpan.org #36038]
http​://bugs.debian.org/100195 Document the Net​::SMTP 'Port' option
DEBPKG​:debian/perlivp - http​://bugs.debian.org/510895 Make perlivp
skip include directories in /usr/local
DEBPKG​:debian/deprecate-with-apt - http​://bugs.debian.org/747628
Point users to Debian packages of deprecated core modules
DEBPKG​:debian/squelch-locale-warnings - http​://bugs.debian.org/508764
Squelch locale warnings in Debian package maintainer scripts
DEBPKG​:debian/skip-upstream-git-tests - Skip tests specific to the
upstream Git repository
DEBPKG​:debian/patchlevel - http​://bugs.debian.org/567489 List
packaged patches for 5.20.2-6ubuntu0.2 in patchlevel.h
DEBPKG​:debian/skip-kfreebsd-crash - http​://bugs.debian.org/628493
[perl #96272] Skip a crashing test case in t/op/threads.t on GNU/kFreeBSD
DEBPKG​:fixes/document_makemaker_ccflags -
http​://bugs.debian.org/628522 [rt.cpan.org #68613] Document that CCFLAGS
should include $Config{ccflags}
DEBPKG​:debian/find_html2text - http​://bugs.debian.org/640479
Configure CPAN​::Distribution with correct name of html2text
DEBPKG​:debian/perl5db-x-terminal-emulator.patch -
http​://bugs.debian.org/668490 Invoke x-terminal-emulator rather than
xterm in perl5db.pl
DEBPKG​:debian/cpan-missing-site-dirs - http​://bugs.debian.org/688842
Fix CPAN​::FirstTime defaults with nonexisting site dirs if a parent is
writable
DEBPKG​:fixes/memoize_storable_nstore - [rt.cpan.org #77790]
http​://bugs.debian.org/587650 Memoize​::Storable​: respect 'nstore' option
not respected
DEBPKG​:debian/regen-skip - Skip a regeneration check in unrelated git
repositories
DEBPKG​:fixes/regcomp-mips-optim - [perl #122817]
http​://bugs.debian.org/754054 Downgrade the optimization of regcomp.c on
mips and mipsel due to a gcc-4.9 bug
DEBPKG​:debian/makemaker-pasthru - http​://bugs.debian.org/758471 Pass
LD settings through to subdirectories
DEBPKG​:fixes/perldoc-less-R - [rt.cpan.org #98636]
http​://bugs.debian.org/758689 Tell the 'less' pager to allow terminal
escape sequences
DEBPKG​:fixes/pod_man_reproducible_date - http​://bugs.debian.org/759405
Support POD_MAN_DATE in Pod​::Man for the left-hand footer
DEBPKG​:fixes/io_uncompress_gunzip_inmemory -
http​://bugs.debian.org/747363 [rt.cpan.org #95494] Fix gunzip to
in-memory file handle
DEBPKG​:fixes/socket_test_recv_fix - http​://bugs.debian.org/758718
[perl #122657] Compare recv return value to peername in socket test
DEBPKG​:fixes/hurd_socket_recv_todo - http​://bugs.debian.org/758718
[perl #122657] TODO checking the result of recv() on hurd
DEBPKG​:fixes/regexp-performance - [0fa70a0]
http​://bugs.debian.org/777556 [perl #123743] simpify and speed up /.*.../
handling
DEBPKG​:fixes/failed_require_diagnostics -
http​://bugs.debian.org/781120 [perl #123270] Report inaccesible file on
failed require
DEBPKG​:fixes/array-cloning - http​://bugs.debian.org/779357 [perl
#124127] [902d169] fix cloning arrays with unused elements
DEBPKG​:fixes/perldb-threads - http​://bugs.debian.org/779357 [perl
#124127] [41ef2c6] lib/perl5db.pl​: Restore noop lock prototype
DEBPKG​:debian/locale-robustness - http​://bugs.debian.org/782068 [perl
#124310] Make t/run/locale.t survive missing locales masked by LC_ALL
DEBPKG​:fixes/gcc5-errno - http​://bugs.debian.org/778060 [perl
#123784] [816b056] Fix Errno.pm generation for gcc-5.0
DEBPKG​:fixes/h2ph-hex-constants - http​://bugs.debian.org/778060 [perl
#123784] [3bea78d] h2ph​: correct handling of hex constants for the preamble
DEBPKG​:fixes/h2ph-test-inc - http​://bugs.debian.org/778060 [perl
#123784] [3359391] lib/h2ph.t to test generated t/_h2ph_pre.ph instead of
the system one
DEBPKG​:fixes/podman-utc - http​://bugs.debian.org/780259 Make the
embedded date from Pod​::Man reproducible
DEBPKG​:fixes/podman-utc-docs - http​://bugs.debian.org/780259
Documentation and test suite updates for UTC fix
DEBPKG​:fixes/podman-empty-date - http​://bugs.debian.org/780259
Support an empty POD_MAN_DATE environment variable
DEBPKG​:fixes/podman-pipe - http​://bugs.debian.org/777405 Better
errors for man pages from standard input
DEBPKG​:debian/pod2man-customized - Update porting/customized.dat for
pod2man modifications
DEBPKG​:fixes/CVE-2015-8607_file_spec_taint_fix - ensure
File​::Spec​::canonpath() preserves taint
DEBPKG​:fixes/CVE-2016-2381.patch - [PATCH 1/2] remove duplicate
environment variables from environ

---
@​INC for perl 5.20.2​:
/home/jima/perl5/lib/perl5/x86_64-linux-gnu-thread-multi
/home/jima/perl5/lib/perl5
/home/jima/lib/perl
/etc/perl
/usr/local/lib/x86_64-linux-gnu/perl/5.20.2
/usr/local/share/perl/5.20.2
/usr/lib/x86_64-linux-gnu/perl5/5.20
/usr/share/perl5
/usr/lib/x86_64-linux-gnu/perl/5.20
/usr/share/perl/5.20
/usr/local/lib/site_perl
.

---
Environment for perl 5.20.2​:
HOME=/home/jima
LANG=en_US.UTF-8
LANGUAGE=en_US
LD_LIBRARY_PATH (unset)
LOGDIR (unset)

PATH=/home/jima/perl5/bin​:/home/jima/bin​:/home/jima/jima_tools/x86_64/bin​:/home/jima/jima_tools/bin​:/opt/Adobe/Reader9/bin​:/usr/bin​:/bin​:/usr/sbin​:/sbin​:/usr/bin/X11​:/usr/local/sbin​:/usr/games​:/usr/local/games​:/usr/lib/jvm/java-8-oracle/bin​:/usr/lib/jvm/java-8-oracle/db/bin​:/usr/lib/jvm/java-8-oracle/jre/bin​:.
PERL5LIB=/home/jima/perl5/lib/perl5​:/home/jima/lib/perl
PERL_BADLANG (unset)
PERL_LOCAL_LIB_ROOT=/home/jima/perl5
PERL_MB_OPT=--install_base "/home/jima/perl5"
PERL_MM_OPT=INSTALL_BASE=/home/jima/perl5
SHELL=/bin/bash

@p5pRT p5pRT closed this as completed Apr 7, 2016
@p5pRT
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p5pRT commented Apr 7, 2016

@iabyn - Status changed from 'open' to 'rejected'

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