Salman Mohsin <[EMAIL PROTECTED]> writes:
>
>
>all: dispatcher
>
>dispatcher: dispatcher.o mqseries.o log.o
> cc -o dispatcher dispatcher.o mqseries.o log.o -Llib -lmqm `perl
>-MExtUtils::Embed -e ldopts`
>
>dispatcher.o: dispatcher.c mqseries.h bool.h log.h
> cc -c dispatcher.c `perl -MExtUtils::Embed -e ccopts`
Usual order would be
cc -c `perl -MExtUtils::Embed -e ldopts` dispatcher.c
And you might need that on all your compiles ...
>
>mqseries.o: mqseries.h mqseries.c bool.h
> cc -c -Iinclude mqseries.c
>
>log.o: log.h log.c bool.h
> cc -c log.c
>
>
>Here's the output from "perl -MExtUtils::Embed -e ccopts":
>
>
> -D_ALL_SOURCE -D_ANSI_C_SOURCE -D_POSIX_SOURCE -qmaxmem=-1 -qnoansialias
>-DUSE_NATIVE_DLOPEN -I/usr/local/include -q32 -D_LARGE_FILES -qlonglong
>-I/usr/local/lib/perl5/5.8.4/aix/CORE
What does -q32 do?
>
>
>Here's the output from "perl -MExtUtils::Embed -e ldopts":
>
>
> -bE:/usr/local/lib/perl5/5.8.4/aix/CORE/perl.exp -brtl -L/usr/local/lib
>-b32 /usr/local/lib/perl5/5.8.4/aix/auto/DynaLoader/DynaLoader.a
>-L/usr/local/lib/perl5/5.8.4/aix/CORE -lperl -lbind -lnsl -ldl -lld -lm
>-lcrypt -lc -lbsd
>
>
>And finally here's the output from perl -V (after re-building it without
>malloc):
>
>
>Summary of my perl5 (revision 5 version 8 subversion 4) configuration:
> Platform:
> osname=aix, osvers=4.3.3.0, archname=aix
> uname='aix hdndev 3 4 000195334c00 '
> config_args=''
> hint=recommended, useposix=true, d_sigaction=define
> usethreads=undef use5005threads=undef useithreads=undef
>usemultiplicity=undef
> useperlio=define d_sfio=undef uselargefiles=define usesocks=undef
> use64bitint=undef use64bitall=undef uselongdouble=undef
> usemymalloc=n, bincompat5005=undef
> Compiler:
> cc='cc', ccflags ='-D_ALL_SOURCE -D_ANSI_C_SOURCE -D_POSIX_SOURCE
>-qmaxmem=-1 -qnoansialias -DUSE_NATIVE_DLOPEN -I/usr/local/include -q32
>-D_LARGE_FILES -qlonglong',
> optimize=' ',
> cppflags='-D_ALL_SOURCE -D_ANSI_C_SOURCE -D_POSIX_SOURCE -qmaxmem=-1
>-qnoansialias -DUSE_NATIVE_DLOPEN -I/usr/local/include'
> ccversion='3.6.6.0', gccversion='', gccosandvers=''
> intsize=4, longsize=4, ptrsize=4, doublesize=8, byteorder=4321
> d_longlong=define, longlongsize=8, d_longdbl=define, longdblsize=8
> ivtype='long', ivsize=4, nvtype='double', nvsize=8, Off_t='off_t',
>lseeksize=8
> alignbytes=8, prototype=define
> Linker and Libraries:
> ld='ld', ldflags =' -brtl -L/usr/local/lib -b32'
> libpth=/usr/local/lib /lib /usr/lib /usr/ccs/lib
> libs=-lbind -lnsl -ldbm -ldl -lld -lm -lcrypt -lc -lbsd
> perllibs=-lbind -lnsl -ldl -lld -lm -lcrypt -lc -lbsd
> libc=/lib/libc.a, so=a, useshrplib=false, libperl=libperl.a
> gnulibc_version=''
> Dynamic Linking:
> dlsrc=dl_aix.xs, dlext=so, d_dlsymun=undef, ccdlflags='
>-bE:/usr/local/lib/perl5/5.8.4/aix/CORE/perl.exp'
> cccdlflags=' ', lddlflags=' -bhalt:4 -bM:SRE -bI:$(PERL_INC)/perl.exp
>-bE:$(BASEEXT).exp -bnoentry -lc -L/usr/local/lib'
>
>
>Characteristics of this binary (from libperl):
> Compile-time options: USE_LARGE_FILES
> Built under aix
> Compiled at Jun 7 2004 09:59:53
> @INC:
> /usr/local/lib/perl5/5.8.4/aix
> /usr/local/lib/perl5/5.8.4
> /usr/local/lib/perl5/site_perl/5.8.4/aix
> /usr/local/lib/perl5/site_perl/5.8.4
> /usr/local/lib/perl5/site_perl
> /usr/local/lib/perl5/site_perl/5.005/aix
> /usr/local/lib/perl5/site_perl/5.005
> .
>
>
>Thanks,
>Salman
>
>On Fri, 04 Jun 2004 14:17:56 +0100, Nick Ing-Simmons
><[EMAIL PROTECTED]> wrote:
>
>> Salman Mohsin <[EMAIL PROTECTED]> writes:
>>>
>>> That's where the problem started. When I changed my code,
>>> compiled/linked
>>> it, and then tried to run it, it core dumped at MQCONN(). Somehow even
>>> if you don't have any Perl related code embedded in your code but still
>>> you
>>> linked it with embedded perl, it'd core dump at the 1st MQSeries call.
>>> I'm compiling & linking by adding (as appropriately suggested by
>>> "perlembed") `perl -MExtUtils::Embed -e ccopts` and `perl
>>> -MExtUtils::Embed -e ldopts` to my existing compiler and linker
>>> commands respectively. This also makes sure that I'm
>>> incorporating/linking Perl into my code exactly the way
>>> actual Perl executable has been built on our system.
>>>
>>> Has anyone else seen this problem of perl and MQSeries??
>>
>> I don't even know what MQSeries is but here is my â0.02 anyway.
>>
>> 1. It is possible that ccopts has provied some -D flags that change
>> things. In paticular things like:
>> -D_LARGEFILE_SOURCE can mean that structs get an "off_t" that is now
>> 64-bit and mis-match with libraries expectation of 32-bit.
>>
>> 2. Most likely though is that ldopts has added something like -lpthreads
>> or some network library which behaves differently.
>>
>> 3. Even if libaries are okay together the _order_ of libraries
>> on final LD line can be vital.
>>
>> 4. ldopts often adds -L/usr/local/lib. It is not unknown for
>> /usr/local/lib
>> to be full of junk.
>>
>> Given 2..4 it would be helpful to see what your ldopts are, and
>> the before/after adding ldopts.
>>
