Change 11671 by jhi@alpha on 2001/08/14 13:44:40
Todo updates.
Affected files ...
... //depot/perl/pod/perltodo.pod#28 edit
Differences ...
==== //depot/perl/pod/perltodo.pod#28 (text) ====
Index: perl/pod/perltodo.pod
--- perl/pod/perltodo.pod.~1~ Tue Aug 14 08:00:05 2001
+++ perl/pod/perltodo.pod Tue Aug 14 08:00:05 2001
@@ -283,6 +283,12 @@
target systems sees is not the same what the build host sees, various
input, output, and (Perl) library files need to be copied back and forth.
+As of 5.8.0 Configure mostly works for cross-compilation
+(used successfully for iPAQ Linux), miniperl gets built,
+but then building DynaLoader (and other extensions) fails
+since MakeMaker knows nothing of cross-compilation.
+(See INSTALL/Cross-compilation for the state of things.)
+
=head2 Perl preprocessor / macros
Source filters help with this, but do not get us all the way. For
@@ -491,7 +497,7 @@
It's unclear what this should do or how to do it without breaking old
code.
-=head2 Make tr/// return histogram
+=head2 Make tr/// return histogram of characters in list context
There is a patch for this, but it may require Unicodification.
@@ -780,6 +786,7 @@
=head2 "class"-based lexicals
Use flyweight objects, secure hashes or, dare I say it, pseudo-hashes instead.
+(Or whatever will replace pseudohashes in 5.10.)
=head2 byteperl
@@ -787,18 +794,19 @@
=head2 Lazy evaluation / tail recursion removal
-C<List::Util> in core gives some of these; tail recursion removal is
-done manually, with C<goto &whoami;>. (However, MJD has found that
-C<goto &whoami> introduces a performance penalty, so maybe there should
-be a way to do this after all: C<sub foo {START: ... goto START;> is
-better.)
+C<List::Util> gives first() (a short-circuiting grep); tail recursion
+removal is done manually, with C<goto &whoami;>. (However, MJD has
+found that C<goto &whoami> introduces a performance penalty, so maybe
+there should be a way to do this after all: C<sub foo {START: ... goto
+START;> is better.)
=head2 Make "use utf8" the default
-There is a patch available for this, search p5p archives for
-the Subject "[EXPERIMENTAL PATCH] make unicode (utf8) default"
-but this would be unacceptable because of backward compatibility:
-scripts could not contain B<any legacy eight-bit data>. Also would
-introduce a measurable slowdown of at least few percentages since all
-regular expression operations would be done in full UTF-8.
+Because of backward compatibility this is difficult: scripts could not
+contain B<any legacy eight-bit data> (like Latin-1) anymore, even in
+string literals or pod. Also would introduce a measurable slowdown of
+at least few percentages since all regular expression operations would
+be done in full UTF-8. But if you want to try this, add
+-DUSE_UTF8_SCRIPTS to your compilation flags.
+
End of Patch.
