PERLIRIX(1) Perl Programmers Reference Guide PERLIRIX(1)
NAME
perlirix - Perl version 5 on Irix systems
DESCRIPTION
This document describes various features of Irix that will affect how Perl version 5 (hereafter just Perl) is
compiled and/or runs.
Building 32-bit Perl in Irix
Use
sh Configure -Dcc='cc -n32'
to compile Perl 32-bit. Don't bother with -n32 unless you have 7.1 or later compilers (use cc -version to
check).
(Building 'cc -n32' is the default.)
Building 64-bit Perl in Irix
Use
sh Configure -Dcc='cc -64' -Duse64bitint
This requires require a 64-bit MIPS CPU (R8000, R10000, ...)
You can also use
sh Configure -Dcc='cc -64' -Duse64bitall
but that makes no difference compared with the -Duse64bitint because of the "cc -64".
You can also do
sh Configure -Dcc='cc -n32' -Duse64bitint
to use long longs for the 64-bit integer type, in case you don't have a 64-bit CPU.
If you are using gcc, just
sh Configure -Dcc=gcc -Duse64bitint
should be enough, the Configure should automatically probe for the correct 64-bit settings.
About Compiler Versions of Irix
Some Irix cc versions, e.g. 7.3.1.1m (try cc -version) have been known to have issues (coredumps) when
compiling perl.c. If you've used -OPT:fast_io=ON and this happens, try removing it. If that fails, or you
didn't use that, then try adjusting other optimization options (-LNO, -INLINE, -O3 to -O2, etcetera). The
compiler bug has been reported to SGI. (Allen Smith <[email protected]>)
Linker Problems in Irix
If you get complaints about so_locations then search in the file hints/irix_6.sh for "lddflags" and do the
suggested adjustments. (David Billinghurst <[email protected]>)
Malloc in Irix
Do not try to use Perl's malloc, this will lead into very mysterious errors (especially with -Duse64bitall).
Building with threads in Irix
running threaded perl. Irix 6.3 and later are okay.
Thanks to Hannu Napari <[email protected]> for the IRIX
pthreads patches information.
Irix 5.3
While running Configure and when building, you are likely to get quite a few of these warnings:
ld:
The shared object /usr/lib/libm.so did not resolve any symbols.
You may want to remove it from your link line.
Ignore them: in IRIX 5.3 there is no way to quieten ld about this.
During compilation you will see this warning from toke.c:
uopt: Warning: Perl_yylex: this procedure not optimized because it
exceeds size threshold; to optimize this procedure, use -Olimit option
with value >= 4252.
Ignore the warning.
In IRIX 5.3 and with Perl 5.8.1 (Perl 5.8.0 didn't compile in IRIX 5.3) the following failures are known.
Failed Test Stat Wstat Total Fail Failed List of Failed
--------------------------------------------------------------------------
../ext/List/Util/t/shuffle.t 0 139 ?? ?? % ??
../lib/Math/Trig.t 255 65280 29 12 41.38% 24-29
../lib/sort.t 0 138 119 72 60.50% 48-119
56 tests and 474 subtests skipped.
Failed 3/811 test scripts, 99.63% okay. 78/75813 subtests failed, 99.90% okay.
They are suspected to be compiler errors (at least the shuffle.t failure is known from some IRIX 6 setups) and
math library errors (the Trig.t failure), but since IRIX 5 is long since end-of-lifed, further fixes for the
IRIX are unlikely. If you can get gcc for 5.3, you could try that, too, since gcc in IRIX 6 is a known
workaround for at least the shuffle.t and sort.t failures.
AUTHOR
Jarkko Hietaniemi <[email protected]>
Please report any errors, updates, or suggestions to [email protected].
perl v5.16.3 2013-03-04 PERLIRIX(1)
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