X-Git-Url: https://perl5.git.perl.org/perl5.git/blobdiff_plain/741e2d4047f355947faa0ca10d799b2e425a5282..c0443cc05cce77126de90156d8ac93f1a96be2a4:/README.irix diff --git a/README.irix b/README.irix index 9cafd26..2968a607 100644 --- a/README.irix +++ b/README.irix @@ -4,7 +4,7 @@ specifically designed to be readable as is. =head1 NAME -README.irix - Perl version 5 on Irix systems +perlirix - Perl version 5 on Irix systems =head1 DESCRIPTION @@ -25,10 +25,31 @@ or later compilers (use cc -version to check). =head2 Building 64-bit Perl in Irix Use - - sh Configure -Dcc='cc -64' -to compiler Perl 64-bit. + 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 C. + +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. =head2 About Compiler Versions of Irix @@ -50,17 +71,13 @@ hints/irix_6.sh for "lddflags" and do the suggested adjustments. Do not try to use Perl's malloc, this will lead into very mysterious errors (especially with -Duse64bitall). -=head2 Building with threads +=head2 Building with threads in Irix Run Configure with -Duseithreads which will configure Perl with -the new Perl 5.8.0 "interpreter threads", see L. - -The old Perl 5.005 threads is obsolete, unmaintained, and its use is -discouraged. If you really want it, run Configure with the --Dusethreads -Duse5005threads options as described in INSTALL. +the Perl 5.8.0 "interpreter threads", see L. -For either thread model and for Irix 6.2, you have to have the -following patches installed: +For Irix 6.2 with perl threads, you have to have the following +patches installed: 1404 Irix 6.2 Posix 1003.1b man pages 1645 Irix 6.2 & 6.3 POSIX header file updates @@ -68,16 +85,55 @@ following patches installed: 2254 Pthread library fixes 2401 6.2 all platform kernel rollup -IMPORTANT: Without patch 2401, a kernel bug in Irix 6.2 will cause +B: Without patch 2401, a kernel bug in Irix 6.2 will cause your machine to panic and crash when running threaded perl. Irix 6.3 and later are okay. Thanks to Hannu Napari for the IRIX pthreads patches information. +=head2 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. + =head1 AUTHOR Jarkko Hietaniemi -Please report any errors, updates, or suggestions to F. +Please report any errors, updates, or suggestions to +L.