[perl #51762] PERL_NO_SHORT_NAMES incompatible with perl.h

# New Ticket Created by  Michael Fowler 
# Please include the string:  [perl #51762]
# in the subject line of all future correspondence about this issue. 
# <URL: http://rt.perl.org/rt3/Ticket/Display.html?id=51762 >


This is a bug report for perl from michael@shoebox.net,
generated with the help of perlbug 1.35 running under perl v5.8.8.


-----------------------------------------------------------------
[Please enter your report here]


perl.h (at the very least) isn't fully compatible with the
PERL_NO_SHORT_NAMES define.

The immediately obvious offender is MALLOC_CHECK_TAINT in perl.h.  It uses
doing_taint, instead of Perl_doing_taint.  When attempting to compile using
PERL_NO_SHORT_NAMES and MYMALLOC defined this results in doing_taint being
implicitly declared, and subsequent linking fails.

For example, given the example from perlembed:

    #include <EXTERN.h>
    #include <perl.h>

    static PerlInterpreter *my_perl;

    int main(int argc, char **argv, char **env)
    {
        PERL_SYS_INIT3(&argc,&argv,&env);
        my_perl = perl_alloc();
        perl_construct(my_perl);
        PL_exit_flags |= PERL_EXIT_DESTRUCT_END;
        perl_parse(my_perl, NULL, argc, argv, (char **)NULL);
        perl_run(my_perl);
        perl_destruct(my_perl);
        perl_free(my_perl);
        PERL_SYS_TERM();
        return 1;
    }


Compiled with:

    $ gcc -Wall -o interp interp.c `perl -MExtUtils::Embed -e ccopts -e ldopts`

results in no errors.  However, compiled with:

    $ gcc -DMYMALLOC -DPERL_NO_SHORT_NAMES -Wall -o interp interp.c
      `perl -MExtUtils::Embed -e ccopts -e ldopts`

results in the errors:

    interp.c: In function 'main':
    interp.c:10: warning: implicit declaration of function 'doing_taint'
    /tmp/cchPQGD6.o: In function `main':
    interp.c:(.text+0x2f): undefined reference to `doing_taint'
    interp.c:(.text+0x38): undefined reference to `MallocCfg_ptr'
    interp.c:(.text+0x69): undefined reference to `PL_malloc_mutex'
    interp.c:(.text+0x162): undefined reference to `PL_malloc_mutex'
    collect2: ld returned 1 exit status

(My perl was not compiled with usemymalloc, which explains the other
undefined references.)

>From reading the 5.10 sources, it appears perl.h has the same problem there.


[Please do not change anything below this line]
-----------------------------------------------------------------
---
Flags:
    category=core
    severity=low
---
Site configuration information for perl v5.8.8:

Configured by Debian Project at Wed Dec  6 23:17:41 UTC 2006.

Summary of my perl5 (revision 5 version 8 subversion 8) configuration:
  Platform:
    osname=linux, osvers=2.6.18.3, archname=i486-linux-gnu-thread-multi
    uname='linux saens 2.6.18.3 #1 smp sat nov 25 13:39:52 est 2006 i686 gnulinux '
    config_args='-Dusethreads -Duselargefiles -Dccflags=-DDEBIAN -Dcccdlflags=-fPIC -Darchname=i486-linux-gnu -Dprefix=/usr -Dprivlib=/usr/share/perl/5.8 -Darchlib=/usr/lib/perl/5.8 -Dvendorprefix=/usr -Dvendorlib=/usr/share/perl5 -Dvendorarch=/usr/lib/perl5 -Dsiteprefix=/usr/local -Dsitelib=/usr/local/share/perl/5.8.8 -Dsitearch=/usr/local/lib/perl/5.8.8 -Dman1dir=/usr/share/man/man1 -Dman3dir=/usr/share/man/man3 -Dsiteman1dir=/usr/local/man/man1 -Dsiteman3dir=/usr/local/man/man3 -Dman1ext=1 -Dman3ext=3perl -Dpager=/usr/bin/sensible-pager -Uafs -Ud_csh -Uusesfio -Uusenm -Duseshrplib -Dlibperl=libperl.so.5.8.8 -Dd_dosuid -des'
    hint=recommended, useposix=true, d_sigaction=define
    usethreads=define use5005threads=undef useithreads=define usemultiplicity=define
    useperlio=define d_sfio=undef uselargefiles=define usesocks=undef
    use64bitint=undef use64bitall=undef uselongdouble=undef
    usemymalloc=n, bincompat5005=undef
  Compiler:
    cc='cc', ccflags ='-D_REENTRANT -D_GNU_SOURCE -DTHREADS_HAVE_PIDS -DDEBIAN -fno-strict-aliasing -pipe -I/usr/local/include -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64',
    optimize='-O2',
    cppflags='-D_REENTRANT -D_GNU_SOURCE -DTHREADS_HAVE_PIDS -DDEBIAN -fno-strict-aliasing -pipe -I/usr/local/include'
    ccversion='', gccversion='4.1.2 20061115 (prerelease) (Debian 4.1.1-20)', gccosandvers=''
    intsize=4, longsize=4, ptrsize=4, doublesize=8, byteorder=1234
    d_longlong=define, longlongsize=8, d_longdbl=define, longdblsize=12
    ivtype='long', ivsize=4, nvtype='double', nvsize=8, Off_t='off_t', lseeksize=8
    alignbytes=4, prototype=define
  Linker and Libraries:
    ld='cc', ldflags =' -L/usr/local/lib'
    libpth=/usr/local/lib /lib /usr/lib
    libs=-lgdbm -lgdbm_compat -ldb -ldl -lm -lpthread -lc -lcrypt
    perllibs=-ldl -lm -lpthread -lc -lcrypt
    libc=/lib/libc-2.3.6.so, so=so, useshrplib=true, libperl=libperl.so.5.8.8
    gnulibc_version='2.3.6'
  Dynamic Linking:
    dlsrc=dl_dlopen.xs, dlext=so, d_dlsymun=undef, ccdlflags='-Wl,-E'
    cccdlflags='-fPIC', lddlflags='-shared -L/usr/local/lib'

Locally applied patches:
    

---
@INC for perl v5.8.8:
    /home/michael/perl5lib
    /home/michael/thingbase/perl5lib
    /home/michael/code/libs/perl
    /home/michael/oft/code/libs/perl
    /home/michael/irc/libs/perl
    /home/michael/irc/libs/perl
    /etc/perl
    /usr/local/lib/perl/5.8.8
    /usr/local/share/perl/5.8.8
    /usr/lib/perl5
    /usr/share/perl5
    /usr/lib/perl/5.8
    /usr/share/perl/5.8
    /usr/local/lib/site_perl/5.8.8
    /usr/local/lib/site_perl
    /usr/local/lib/perl/5.8.4
    /usr/local/share/perl/5.8.4
    /usr/local/lib/perl/5.8.3
    /usr/local/share/perl/5.8.3
    /usr/local/lib/perl/5.8.2
    /usr/local/share/perl/5.8.2
    .

---
Environment for perl v5.8.8:
    HOME=/home/michael
    LANG=en_US.UTF-8
    LANGUAGE (unset)
    LD_LIBRARY_PATH (unset)
    LOGDIR (unset)
    PATH=/home/michael/bin:/usr/local/perl-bin:/usr/local/bin:/bin:/usr/bin:/usr/local/sbin:/sbin:/usr/sbin:/usr/bin/X11:/usr/lib/postgresql/bin:/usr/local/games:/usr/games:.
    PERL5LIB=/home/michael/perl5lib:/home/michael/thingbase/perl5lib:/home/michael/code/libs/perl:/home/michael/oft/code/libs/perl:/home/michael/irc/libs/perl:/home/michael/irc/libs/perl
    PERL_BADLANG (unset)
    SHELL=/bin/bash

• [perl #51762] PERL_NO_SHORT_NAMES incompatible with perl.h by Michael Fowler