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| -rw-r--r-- | INSTALL | 27 |
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@@ -475,33 +475,6 @@ line with or interactively at the appropriate Configure prompt. -With the PerlIO abstraction layer, there is another possibility for -the underlying IO calls, AT&T's "sfio". This has superior performance -to stdio.h in many cases, and is extensible by the use of "discipline" -modules ("Native" PerlIO has them too). Sfio currently only builds on -a subset of the UNIX platforms perl supports. Because the data -structures are completely different from stdio, perl extension modules -or external libraries may not work. This configuration exists to -allow these issues to be worked on. - -This option requires the 'sfio' package to have been built and installed. -The latest sfio is available from http://www.research.att.com/sw/tools/sfio/ - -You select this option by - - sh Configure -Duseperlio -Dusesfio - -If you have already selected -Duseperlio, and if Configure detects -that you have sfio, then sfio will be the default suggested by -Configure. - -Note: On some systems, sfio's iffe configuration script fails to -detect that you have an atexit function (or equivalent). Apparently, -this is a problem at least for some versions of Linux and SunOS 4. -Configure should detect this problem and warn you about problems with -_exit vs. exit. If you have this problem, the fix is to go back to -your sfio sources and correct iffe's guess about atexit. - =head3 Algorithmic Complexity Attacks on Hashes In Perls 5.8.0 and earlier it was easy to create degenerate hashes. |