I'm trying to build OpenPKG Release 2.5 with some CURRENT packages on a
SuSE Linux Enterprise 9, Service Pack 3 system. The processor is an AMD
Athlon-64.
I thought I was beginning to understand building in the mixed 32/64 bit
environment on SLES9, but, after three days of hacking, I have more
questions than answers -- mostly related to gcc finding and building the
correct 64-bit libraries. The only system I've ever worked with that
generated code for different library types is SCO OpenServer which creates
COFF and ELF libraries using the options to the C compilter -belf, -bcoff,
etc. (and gcc uses -melf if I remeber correctly).
The rest of this are notes and questions (probably displaying my ignorance
on this more than anything else :-).
SLES9 has 32-bit libraries in the normal places, and the 64-bit in /lib64,
/usr/lib64, and /usr/X11R6/lib64 (and probably more that I haven't found
yet).
I think that the openpkg rc.openpkg run control should be setting
LD_LIBRARY_PATH to use /lib64 and /usr/lib64.
The OpenPKG x11 package doesn't set x11_libdir="/usr/X11/lib64". Packages
that use imake need some tweaking since the Imake.tmpl file isn't found
where expected.
Building the Berkeley db package fails, unable to find things like
db_create. There are other linking issues that seemed to require that gcc
be built with --enable-shared.
Some of the linking and configure problems seem to result from the libtool,
automake, autoconf family searching the /lib and /usr/lib directories
instead of /lib64 and /usr/lib64. I did some tweaking using shtool to
replace "/lib /usr/lib" with "/lib64 /usr/lib64", but this hardly seems
like the Right Way(tm) to do this.
Looking at the gcc-4.0.3 gcc.spec file, it has multilib disabled for Intel
64 bit architectures. Should this be disabled for amd64 as well?
Can gcc be built to only produce 64-bit code, and is this a good idea?
If an OpenPKG instance is to have multiple libraries, this complicates
things thoroughly such as %{l_prefix}/lib. I would rather see multiple
OpenPKG instances than mix them.
Should gcc be called with the ``-m64'' option to find the correct library
files? If so, where's the best place to define this?
Bill
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