Re: HP-UX PA-RISC/Itanium 64-bit Patch and HP-UX 11.23 Patch

This has been applied and will be in beta3.

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Shinji Teragaito wrote:
> >> On Tue, 24 Aug 2004 00:39:55 -0400, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> said:
>
> > Shinji Teragaito <shinji(at)kobe(dot)hp(dot)com> writes:
> >> I made a patch to let PostgreSQL work in the LP64 data model on
> >> HP-UX PA-RISC and HP-UX Itanium platform.
>
> > The s_lock change looks good ... but ...
>
> > This patch seems likely to break many other platforms. You do not
> > seriously expect us to apply that change to float8.out, do you?
>
> No.
>
> > I'd also like to know the rationale for the Makefile.shlib changes
> > (which did not seem to be needed the last time I tested on HPUX 11)
> > and the -lxnet addition to Makefile.hpux (ditto).
>
> * Makefile.shlib changes are required to link libgcc.a 64-bit
> version correctly on HP-UX 11.23 (Itanium). Without specifying
> -mlp64 in LDFLAGS, you will get libgcc.a 32-bit version. Then
> linking libpq.so.3 with ld, you will see the following error:
>
> /usr/ccs/bin/ld +h libpq.so.3 -b +b /usr/local/pgsql/lib
> fe-auth.o ..(snip).. `gcc -print-libgcc-file-name` -o libpq.so.3
>
> ld: Mismatched Data ABI. Expected EF_IA_64_ABI64 but found None in file
> /usr/local/lib/gcc/ia64-hp-hpux11.23/3.4.1/libgcc.a[__divdi3.oS]
>
> To link 64-bit object files with libgcc.a, libgcc.a must be
> 64-bit.
>
> On the other hand, the changes to SHLIB_LINK is not required for
> PA-RISC HP-UX. Becase the gcc binaries are seperated for 32-bit
> and 64-bit uses respectively. According to the data model, ILP32
> or LP64, you will select the appropriate gcc binary. Then `$(CC)
> -print-libgcc-file-name` results to be the correct libgcc.a.
>
> * When you specify _XOPEN_SOURCE_EXTENDED in CFLAGS, X/Open
> Networking Interfaces doesn't work in LP64 data model without
> linking with libxnet. The third parameter type in sockets and IP
> resolution interfaces such as bind() and getpeername() is defined
> as socklen_t. socklen_t is typedefed as size_t, which is typedefed
> as unsigned long. In LP64 data model, size_t results to be
> 64-bit. But inside the HP-UX X/Open Networking Interfaces
> implementation, the third parameter is expected as 32-bit
> length. To work around this problem in LP64 data model especially,
> the -lxnet addition to Makefile.hpux is required.
>
> Refer to man 7 xopen_networking.
>
> Cheers,
>
> Shinji Teragaito
> Hewlett-Packard Japan, Ltd.
>
>
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