Re: AIX shared libraries, make install misses them

[Michael Perzl]

Hi Daniel,

On 01/29/2010 12:19 AM, Daniel Pocock wrote:
> Ralf Wildenhues wrote:
> > Hello Daniel,
> >
> > * Daniel Pocock wrote on Thu, Jan 28, 2010 at 03:21:24PM CET:
> > > > We have been working on getting the Ganglia tarball to work out of
> > > > the box for AIX
> >
> > > > When Michael does `make install', the *.so files for our modules
> > > > are not installed.  Instead, he sees output like this from `make
> > > > install':
> > > >
> > > > ----------------------------------------------------------------------
> > > > /opt/freeware/bin/bash ../../../libtool   --mode=install
> > > > ../../../build/install-sh -c  'modcpu.la'
> > > > '/var/tmp/gg/lib/ganglia/modcpu.la'
> > > > ../../../build/install-sh -c .libs/modcpu.a
> > > > /var/tmp/gg/lib/ganglia/modcpu.a
> > > > ../../../build/install-sh -c .libs/modcpu.lai
> > > > /var/tmp/gg/lib/ganglia/modcpu.la
> >
> > > > I've looked at the file gmond/modules/cpu/.libs/modcpu.la on AIX:
> > > >
> > > > ...
> > > > dlname='modcpu.so'
> > > > library_names='modcpu.a modcpu.a'
> > > > old_library=''
> >
> > Is that without or with runtimelinking enabled (LDFLAGS=-Wl,-brtl passed
> > to configure)?  If without, then libtool puts the modcpu.so file into
> > the modcpu.a archive (the way AIX does with its system modules as well)
> > and that is to be expected.
> >
> > With runtimelinking, the .so file should be a separate file.
> That makes sense - I don't believe Michael has run it with the 
> different LDFLAGS yet.
>
> However, nothing gets installed - if the default behavior is to create 
> modcpu.a, then shouldn't `make install' result in the installation of 
> modcpu.a?
>
> For changing LDFLAGS, I'd rather include this into configure.in, so it 
> will be set automatically for AIX platforms.  Can you make any 
> suggestions on that?  The project involves building some static 
> libraries, shared libraries, and linking some of the static libraries 
> to create an executable too.  Will option be necessary for all such 
> targets, or do I need to use it selectively?
Like I wrote in my other email I don't like the idea of globally setting 
"-Wl,-brtl" to LDFLAGS as not all required libraries are available in 
rtl-format on AIX (e.g., zlib, libpng etc.).

Regards,
Michael