X-Git-Url: https://perl5.git.perl.org/perl5.git/blobdiff_plain/3fd80bd61943d0f83ebe1ce9c42b05023a1b7a18..60666776a83addda0a7fcb957c6b5007b8e030f3:/README.vos diff --git a/README.vos b/README.vos index 342973a..9066297 100644 --- a/README.vos +++ b/README.vos @@ -24,20 +24,22 @@ ftp://ftp.stratus.com/pub/vos/utility/utility.html. If you are running VOS Release 14.4.1 or later, you can obtain a pre-compiled, supported copy of perl by purchasing Release 2.0.1 -of the VOS GNU C++ and GNU Tools product from Stratus -Technologies. +(or later) of the VOS GNU C/C++ and GNU Tools product from +Stratus Technologies. =head1 BUILDING PERL FOR VOS -To build perl from its source code, you must have a Continuum -platform running VOS Release 14.5.0 or later, the STCP product, -and the GNU C++ and GNU Tools, Release 2.0.1 or later. +To build perl from its source code on the Stratus Continuum +platform, you must be have VOS Release 14.5.0 or later, the STCP +product, and the GNU C/C++ and GNU Tools, Release 2.0.1 or +later. On the V Series platform you must have VOS Release +15.0.0 or later, and any version of the GNU C/C++ and GNU Tools +product. To build full perl using the supplied Configure script and makefiles, change to the "vos" subdirectory and type the command "compile_full_perl" or "start_process compile_full_perl". This -will configure, build, and test perl. All of the test cases -that are executed should pass. +will configure, build, and test perl. =head1 INSTALLING PERL IN VOS @@ -46,7 +48,8 @@ that are executed should pass. =item 1 If you have built perl using the Configure script, ensure that -you have modify permission to C<< >system>ported >> and type +you have modify and default write permission to C<< +>system>ported >> and all subdirectories. Then type gmake install @@ -56,10 +59,9 @@ While there are currently no architecture-specific extensions or modules distributed with perl, the following directories can be used to hold such files: - >system>ported>lib>perl5>5.9.0>68k - >system>ported>lib>perl5>5.9.0>860 >system>ported>lib>perl5>5.9.0>7100 >system>ported>lib>perl5>5.9.0>8000 + >system>ported>lib>perl5>5.9.0>i786 =item 3 @@ -71,10 +73,9 @@ two places. Put architecture-independent files into: Put site-specific architecture-dependent files into one of the following directories: - >system>ported>lib>perl5>site_perl>5.9.0>68k - >system>ported>lib>perl5>site_perl>5.9.0>860 >system>ported>lib>perl5>site_perl>5.9.0>7100 >system>ported>lib>perl5>site_perl>5.9.0>8000 + >system>ported>lib>perl5>site_perl>5.9.0>i786 =item 4 @@ -105,19 +106,39 @@ port of Perl. =head2 Handling of underflow and overflow -VOS does not support automatically mapping overflowed -floating-point values to +infinity, nor automatically mapping -underflowed floating-point values to -infinity, unlike many -other platforms. The Perl pack function has been modified to -perform such mapping in software on VOS. Performing other -floating-point computations that underflow or overflow will -probably result in SIGFPE. Don't push your luck. +Prior to VOS Release 14.7.0, VOS does not support automatically +mapping overflowed floating-point values to +infinity, nor +automatically mapping underflowed floating-point values to zero, +unlike many other platforms. The Perl pack function has been +modified to perform such mapping in software on VOS. Performing +other floating-point computations that underflow or overflow +will probably result in SIGFPE. Don't push your luck. + +As of VOS Release 14.7.0, the VOS POSIX runtime sets up the +PA-RISC and IA-32 hardware floating-point status register so +that the overflow and underflow exceptions do not trap, but +instead automatically convert the result to infinity or zero, as +appropriate. As of this writing, there are still floating-point +operations that can trap, for example, subtracting two infinite +values. This is recorded as suggestion posix-1022, which has +been fixed in VOS Release 15.2 and higher. =head1 TEST STATUS -When Perl is built using the native build process on VOS Release -14.5.0 and GNU C++/GNU Tools 2.0.1, all attempted tests either -pass or result in TODO (ignored) failures. +When Perl 5.9.0 is built using the native build process on VOS +Release 14.7.0 and GNU C++/GNU Tools 2.0.2a, all but nine +attempted tests either pass or result in TODO (ignored) +failures. The tests that fail are: + +t/io/dup, test 2 +t/io/tell, test 28 +t/op/pack, test 0 +ext/B/t/bytecode, test 1 +ext/Devel/Peek/t/Peek, test 1 +ext/Encode/t/enc_module, test 1 +ext/IO/t/io_dup, test 2 +lib/ExtUtils/t/MM_Unix, test 94 +lib/Net/ing/t/450_service, test 8 =head1 SUPPORT STATUS @@ -126,10 +147,10 @@ can't guarantee I'll be able to answer them. There are some excellent books available on the Perl language; consult a book seller. -If you want a supported version of perl for VOS, purchase the VOS -GNU C++ and GNU Tools Release 2.0.1 product from Stratus -Technologies, along with a support contract (or from anyone else -who will sell you support). +If you want a supported version of perl for VOS, purchase the +VOS GNU C/C++ and GNU Tools Release 2.0.1 (or later) product from +Stratus Technologies, along with a support contract (or from +anyone else who will sell you support). =head1 AUTHOR @@ -137,6 +158,6 @@ Paul Green (Paul.Green@stratus.com) =head1 LAST UPDATE -August 12, 2002 +February 7, 2008 =cut