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Re: Where is PerlIO_isutf8()?

From:
Nicholas Clark
Date:
July 17, 2003 07:21
Subject:
Re: Where is PerlIO_isutf8()?
Message ID:
20030717152129.E20414@plum.flirble.org
On Wed, Jul 16, 2003 at 04:26:45PM +0100, Steve Hay wrote:
> Nicholas Clark wrote:
> 
> >On Wed, Jul 16, 2003 at 04:06:59PM +0100, Steve Hay wrote:
> >  
> >
> >>However, when I try to link this I get an "unresolved external symbol" 
> >>error regarding PerlIO_isutf8().  This is declared in "perlio.h" (hence 
> >>the compiler was happy), but listing the symbols exported by my 
> >>"perl58.lib" I don't see it (hence the linker is unhappy).
> >>    
> >>
> >
> >Which OS are you doing this on? Is it one (such as AIX or Windows) that
> >needs an explicit list of functions to export from a library?
> >  
> >
> Yes, I'm working on Windows (XP, SP1) with MSVC++ 6.0 (SP5).
> 
> Do I ned to rebuild my Perl library differently?  I built it myself from 
> ActivePerl 806 sources, but disabling the threading options and large 
> file support, and enabling Perl's malloc.  I've pasted my "perl -V" here 
> in case that's of any use.

I don't know quite what is needed. I think that another line needs to be
added to embed.fnc to export PerlIO_isutf8(), then make regen_headers run
before remaking, but I'm not sure. I've cross posted to p5p - hopefully
someone will know there. Not exporting PerlIO_isutf8 sounds like a bug that
needs that needs fixing for 5.8.1

> Summary of my perl5 (revision 5 version 8 subversion 0) configuration:
>   Platform:
>     osname=MSWin32, osvers=4.0, archname=MSWin32-x86-perlio
>     uname=''
>     config_args='undef'
>     hint=recommended, useposix=true, d_sigaction=undef
>     usethreads=undef use5005threads=undef useithreads=undef 
> usemultiplicity=undef
>     useperlio=define d_sfio=undef uselargefiles=undef usesocks=undef
>     use64bitint=undef use64bitall=undef uselongdouble=undef
>     usemymalloc=y, bincompat5005=undef
>   Compiler:
>     cc='cl', ccflags ='-nologo -Gf -W3 -MD -DNDEBUG -O1 -DWIN32 
> -D_CONSOLE -DNO_STRICT -DHAVE_DES_FCRYPT  -DPERL_DEBUGGING_MSTATS 
> -DUSE_PERLIO -DPERL_MSVCRT_READFIX',
>     optimize='-MD -DNDEBUG -O1',
>     cppflags='-DWIN32'
>     ccversion='', gccversion='', gccosandvers=''
>     intsize=4, longsize=4, ptrsize=4, doublesize=8, byteorder=1234
>     d_longlong=undef, longlongsize=8, d_longdbl=define, longdblsize=10
>     ivtype='long', ivsize=4, nvtype='double', nvsize=8, Off_t='off_t', 
> lseeksize=4
>     alignbytes=8, prototype=define
>   Linker and Libraries:
>     ld='link', ldflags ='-nologo -nodefaultlib -release  
> -libpath:"C:\perl5\lib\CORE"  -machine:x86'
>     libpth=C:\PROGRA~1\MICROS~2\VC98\lib C:\openssl\lib
>     libs=libeay32.lib  oldnames.lib kernel32.lib user32.lib gdi32.lib 
> winspool.lib  comdlg32.lib advapi32.lib shell32.lib ole32.lib 
> oleaut32.lib  netapi32.lib uuid.lib wsock32.lib mpr.lib winmm.lib  
> version.lib odbc32.lib odbccp32.lib msvcrt.lib
>     perllibs=libeay32.lib  oldnames.lib kernel32.lib user32.lib 
> gdi32.lib winspool.lib  comdlg32.lib advapi32.lib shell32.lib ole32.lib 
> oleaut32.lib  netapi32.lib uuid.lib wsock32.lib mpr.lib winmm.lib  
> version.lib odbc32.lib odbccp32.lib msvcrt.lib
>     libc=msvcrt.lib, so=dll, useshrplib=yes, libperl=perl58.lib
>     gnulibc_version='undef'
>   Dynamic Linking:
>     dlsrc=dl_win32.xs, dlext=dll, d_dlsymun=undef, ccdlflags=' '
>     cccdlflags=' ', lddlflags='-dll -nologo -nodefaultlib -release  
> -libpath:"C:\perl5\lib\CORE"  -machine:x86'
> 
> 
> Characteristics of this binary (from libperl):
>   Compile-time options:
>   Built under MSWin32
>   Compiled at May  1 2003 14:48:19
>   @INC:
>     C:/perl5/lib
>     C:/perl5/site/lib
>     .

Nicholas Clark



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