Re: Successfully compiled 1.3.1 on AIX 5.2 /w Visual Age C++ 6.0 after some tweaking

[David Sugar]

Okay that is odd.  I thought the atomic stuff we did was correct for 
aix.  Fortunately we have not started work yet on framework classes for 
lockfree data structures in Common C++ (those require atomics...). 
Lockfree data structures is something that was proposed which I do wish 
to look at in the near future, though.

In any case I will wait to hear what progress you make.

David

address@hidden wrote:
> Here is two more items:
>
> Believe it or not but I needed to comment out HAVE_ATOMIC_AIX.  It was causing core 
> dumps.   I also commented out HAVE_ALLOCA_H to get rid of warning messages about 
> "pragma __alloca not defined" go figure?
>
> Bad news: my app just core dumped on an old favorite "if (th->priv->_type == 
> threadTypeDummy)":
>
> Segmentation fault in ThreadDestructor(ost::Thread*) at line 1125 in file "" 
> ($t373)
> could not read "thread.cpp"
> (dbx) where
> ThreadDestructor(ost::Thread*)(th = 0x3058d428), line 1125 in "thread.cpp"
> ccxx_thread_destructor(void*)(arg = 0x3058d428), line 1131 in "thread.cpp"
> pth_key._specific_data_cleanup(??) at 0xd0067420
> pth_pthread.pthread_exit(??) at 0xd0058030
> ThreadExecHandler(ost::Thread*)(th = 0x3058d428), line 1115 in "thread.cpp"
> ccxx_exec_handler(ost::Thread*)(th = 0x3058d428), line 1136 in "thread.cpp"
> pth_pthread._pthread_body(??) at 0xd0052588
>
> I have a few ideas on how to fix this, let me experiment a little.
>
> Ron
>
> -----Original Message-----
> From: David Sugar [mailto:address@hidden
> Sent: Thursday, January 27, 2005 3:13 PM
> To: Horrell, Ronald (Card Services)
> Cc: address@hidden
> Subject: Re: Successfully compiled 1.3.1 on AIX 5.2 /w Visual Age C++
> 6.0 after some tweaking
>
>
> True...looks like the only other place its needed is in string.h.  Done.
>
> address@hidden wrote:
>
> > In misc.h the pragma pack is wrapped with "#if defined(__GNUC__) || 
> > !defined(__hpux)" but it isn't in cc++/string.h.  The easiest fix would be to wrap 
> > it also.
> >
> > Ron
> >
> > -----Original Message-----
> > From: David Sugar [mailto:address@hidden
> > Sent: Thursday, January 27, 2005 2:54 PM
> > To: Horrell, Ronald (Card Services)
> > Cc: address@hidden
> > Subject: Re: Successfully compiled 1.3.1 on AIX 5.2 /w Visual Age C++
> > 6.0 after some tweaking
> >
> >
> > I should add we need a reliablle define to test for VA compiler.  I 
> > believe we currently use an _AIX macro to detect and select some aix 
> > specific things, but I would not want to apply that macro check alone as > some of these changes would break using gcc on aix.  The behavior of 
> > pragma pack(unpack), for example, is specific to the VA compiler.
> >
> > address@hidden wrote:
> >
> >
> > > Hi All,
> > >         I was finally able to successfully compile version 1.3.1 on AIX 5.2 /w 
> > > Visual Age C++ after some tweaking.
> > >
> > > System Details:
> > >
> > >  Compiler: VisualAge C++ Compiler Version 6.0.0.5
> > >  OS: AIX 5.2.0.0
> > >
> > > C/C++ Flags: 
> > >
> > >  "-qcpluscmt" or "-+" Allows C++ comments "//" in C files.  
> > >  "-qlanglvl=redefmac" Allows macros to be redefined without #undef "_THREAD_SAFE"
> > >
> > > configure Flags:
> > >  "--enable-static --disable-shared": Personal preference
> > >  "--without-exceptions": Needed due to use of "dynamic_cast without RTTI" error.
> > >
> > > config.h:
> > >  HAVE_SYS_LIBCSYS_H: Had to be commented out due to errors with memcopy 
> > > declarations.
> > >
> > > libtool:
> > >  "${CC/${host}-}": "bad substitution error" (lines 904 and 1297) had to comment 
> > > out check.
> > >
> > >
> > > 	With these changes it compiles and runs successfully.  
> > >
> > >
> > > Note:
> > >  The VisualAge C++ Compiler doesn't like "#pragma pack()" and gives numerous warning 
> > > messages. With this compiler you would need to do "#pragma pack(nopack)" instead.
> > >
> > > Thanks,
> > > Ron Horrell
> > >
> > >
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