r26335 is because NetBSD 5.0's asin and acos returns
0.0 with errno EDOM. But it breaks Linux whose gamma returns inf
with errno ERANGE on.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@26397 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* What's Ruby
Ruby is the interpreted scripting language for quick and
easy object-oriented programming. It has many features to
process text files and to do system management tasks (as in
Perl). It is simple, straight-forward, and extensible.
* Features of Ruby
+ Simple Syntax
+ *Normal* Object-Oriented features(ex. class, method calls)
+ *Advanced* Object-Oriented features(ex. Mix-in, Singleton-method)
+ Operator Overloading
+ Exception Handling
+ Iterators and Closures
+ Garbage Collection
+ Dynamic Loading of Object files(on some architecture)
+ Highly Portable (works on many Unix-like/POSIX compatible platforms
as well as Windows, Mac OS X, BeOS etc.)
cf. http://redmine.ruby-lang.org/wiki/ruby-19/SupportedPlatforms
* How to get Ruby
The Ruby distribution files can be found in the following FTP site:
ftp://ftp.ruby-lang.org/pub/ruby/
The trunk of the Ruby source tree can be checked out with the
following command:
$ svn co http://svn.ruby-lang.org/repos/ruby/trunk/ ruby
There are some other branches under development. Try the following
command and see the list of branches:
$ svn ls http://svn.ruby-lang.org/repos/ruby/branches/
* Ruby home-page
The URL of the Ruby home-page is:
http://www.ruby-lang.org/
* Mailing list
There is a mailing list to talk about Ruby.
To subscribe this list, please send the following phrase
subscribe YourFirstName YourFamilyName
e.g.
subscribe Joseph Smith
in the mail body (not subject) to the address <ruby-talk-ctl@ruby-lang.org>.
* How to compile and install
This is what you need to do to compile and install Ruby:
1. If ./configure does not exist or is older than configure.in,
run autoconf to (re)generate configure.
2. Run ./configure, which will generate config.h and Makefile.
Some C compiler flags may be added by default depending on your
environment. Specify optflags=.. and warnflags=.. as necessary
to override them.
3. Edit defines.h if you need. Usually this step will not be needed.
4. Remove comment mark(#) before the module names from ext/Setup (or
add module names if not present), if you want to link modules
statically.
If you don't want to compile non static extension modules
(probably on architectures which does not allow dynamic loading),
remove comment mark from the line "#option nodynamic" in
ext/Setup.
5. Run make.
6. Optionally, run 'make test' to check whether the compiled Ruby
interpreter works well. If you see the message "test succeeded",
your ruby works as it should (hopefully).
7. Run 'make install'
You may have to be a super user to install ruby.
If you fail to compile ruby, please send the detailed error report with
the error log and machine/OS type, to help others.
* Copying
See the file COPYING.
* The Author
Feel free to send comments and bug reports to the author. Here is the
author's latest mail address:
matz@netlab.jp
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created at: Thu Aug 3 11:57:36 JST 1995
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