[Mapserver-users] PERL mapscript undefined symbol woes

[Slaven Rezic]

Joe Bussell <joe at otsys.com> writes:

> Greetings Listers,
>     I have a Debian box with PERL5.8 and mapserver-3.6.5.  I have had 
> great success in the past with this box, but something in my build went 
> awry.  The compile for mapserv and then perl/mapscript completed without 
> error.  The object is also generally useful when using dump.pl and even 
> some live map rendering under apache.  The symptom that I observed is 
> that whenever the process needs to carp out something it segfaults and 
> dies.  I ran ldd with the -r option and observed an interresting clue 
> (see below).  Does anyone have any ideas how the Perl_* symbols are 
> defined?

Normally the Perl_* symbols are either in the perl library or in the
perl executable.

>  Why would they not be found?  Should the list of *.so include 
> libperl.so?

I don't think so, at least it's not on FreeBSD.

>  Any ideas on getting out of this mess?

What is the output of "perl -v"? Does it include "useshrplib=true"?

Regards,
	Slaven

> 
> ldd -r blib/arch/auto/mapscript/mapscript.so
> 	libgd.so.2 => /usr/local/lib/libgd.so.2 (0x40102000)
> 	libjpeg.so.62 => /usr/lib/libjpeg.so.62 (0x40147000)
> 	libfreetype.so.6 => /usr/local/lib/libfreetype.so.6 (0x40164000)
> 	libpng.so.2 => /usr/lib/libpng.so.2 (0x401ad000)
> 	libz.so.1 => /lib/libz.so.1 (0x401d3000)
> 	libtiff.so.3 => /usr/lib/libtiff.so.3 (0x401e0000)
> 	libproj.so.0 => /usr/local/lib/libproj.so.0 (0x40224000)
> 	libgdal.1.1.so => /usr/local/lib/libgdal.1.1.so (0x40255000)
> 	libm.so.6 => /lib/libm.so.6 (0x404b0000)
> 	libc.so.6 => /lib/libc.so.6 (0x404d1000)
> 	libXpm.so.4 => /usr/X11R6/lib/libXpm.so.4 (0x405e1000)
> 	libX11.so.6 => /usr/X11R6/lib/libX11.so.6 (0x405ef000)
> 	libdl.so.2 => /lib/libdl.so.2 (0x406ab000)
> 	libstdc++.so.5 => /usr/lib/libstdc++.so.5 (0x406ae000)
> 	libgcc_s.so.1 => /lib/libgcc_s.so.1 (0x40757000)
> 	/lib/ld-linux.so.2 => /lib/ld-linux.so.2 (0x80000000)
> undefined symbol: Perl_croak_nocontext 
> (blib/arch/auto/mapscript/mapscript.so)
> undefined symbol: Perl_sv_setiv	(blib/arch/auto/mapscript/mapscript.so)
> undefined symbol: Perl_sv_2pv_flags	(blib/arch/auto/mapscript/mapscript.so)
> undefined symbol: Perl_mg_find	(blib/arch/auto/mapscript/mapscript.so)
> undefined symbol: pthread_getspecific 
> (blib/arch/auto/mapscript/mapscript.so)
> undefined symbol: Perl_sv_newmortal	(blib/arch/auto/mapscript/mapscript.so)
> undefined symbol: Perl_sv_isobject	(blib/arch/auto/mapscript/mapscript.so)
> undefined symbol: Perl_sv_2nv	(blib/arch/auto/mapscript/mapscript.so)
> undefined symbol: Perl_Isv_yes_ptr	(blib/arch/auto/mapscript/mapscript.so)
> undefined symbol: Perl_sv_setpv	(blib/arch/auto/mapscript/mapscript.so)
> undefined symbol: Perl_newXS	(blib/arch/auto/mapscript/mapscript.so)
> undefined symbol: Perl_Tna_ptr	(blib/arch/auto/mapscript/mapscript.so)
> undefined symbol: Perl_Tmarkstack_ptr_ptr 
> (blib/arch/auto/mapscript/mapscript.so)
> undefined symbol: Perl_Isv_undef_ptr	(blib/arch/auto/mapscript/mapscript.so)
> undefined symbol: Perl_sv_magic	(blib/arch/auto/mapscript/mapscript.so)
> undefined symbol: Perl_sv_setsv_flags 
> (blib/arch/auto/mapscript/mapscript.so)
> undefined symbol: Perl_Tstack_base_ptr 
> (blib/arch/auto/mapscript/mapscript.so)
> undefined symbol: Perl_get_sv	(blib/arch/auto/mapscript/mapscript.so)
> undefined symbol: Perl_Gthr_key_ptr	(blib/arch/auto/mapscript/mapscript.so)
> undefined symbol: Perl_sv_setref_pv	(blib/arch/auto/mapscript/mapscript.so)
> undefined symbol: Perl_sv_2iv	(blib/arch/auto/mapscript/mapscript.so)
> undefined symbol: Perl_sv_setnv	(blib/arch/auto/mapscript/mapscript.so)
> undefined symbol: Perl_Tstack_sp_ptr	(blib/arch/auto/mapscript/mapscript.so)
> undefined symbol: Perl_sv_setpvn	(blib/arch/auto/mapscript/mapscript.so)
> undefined symbol: Perl_mg_get	(blib/arch/auto/mapscript/mapscript.so)
> 
> 
> Cordially,
> 
> Joe Bussell
> On Time Systems
> www.trafficdodger.com
> 
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> 

-- 
Slaven Rezic - slaven at rezic.de
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