X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=README.irix;h=911a2514b3a89fd5a039b5a2d8b770d99b7a1473;hb=a12a6a4d3f64aee86ecc1228a0f84bd167873367;hp=dddb5ffa96804a9126e4daed6f4dda911374b646;hpb=3df9be300aa76fdeef4d24d3449ba42fdc4bd784;p=p5sagit%2Fp5-mst-13.2.git diff --git a/README.irix b/README.irix index dddb5ff..911a251 100644 --- a/README.irix +++ b/README.irix @@ -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 @@ -50,9 +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 Perl 5.8.0 "interpreter threads", see L. -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 @@ -60,10 +85,50 @@ For Irix 6.2, you have to have the 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