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Re: Patch: RFA for 4.0: use system class loader

From: Per Bothner <per at bothner dot com>
To: Mark Wielaard <mark at klomp dot org>
Cc: tromey at redhat dot com, Java Patch List <java-patches at gcc dot gnu dot org>, Mark Mitchell <mitchell at codesourcery dot com>
Date: Thu, 14 Apr 2005 16:28:51 -0700
Subject: Re: Patch: RFA for 4.0: use system class loader
References: <m3r7hde69e.fsf@localhost.localdomain> <425EEEF1.1060308@bothner.com> <425EF096.7080807@bothner.com> <1113520707.8075.102.camel@localhost.localdomain>

Mark Wielaard wrote:

In your Makefile you set CLASSPATH to the empty string and we dutifully
use an empty class path in the system classloader.

Ah, yes.

Do you think we should handle the case were CLASSPATH is set to the
empty string in this way?


Yes.  Two reasons:
(1) Sun does it:
$ CLASSPATH=xxx java kawa.repl
Exception in thread "main" java.lang.NoClassDefFoundError: kawa/repl
$ CLASSPATH='' java kawa.repl
#|kawa:1|#
$ type java
java is hashed (/opt/jdk1.4/bin/java)

(2) Lots of shell scripts and some old shells don't clearly distinguish
between an unset variable and an empty variable.

Next to try out Kawa with XML and/or JEmacs/Swing ...
--
	--Per Bothner
per@bothner.com   http://per.bothner.com/

References:
- Patch: RFA for 4.0: use system class loader
  - From: Tom Tromey
- Re: Patch: RFA for 4.0: use system class loader
  - From: Per Bothner
- Re: Patch: RFA for 4.0: use system class loader
  - From: Per Bothner
- Re: Patch: RFA for 4.0: use system class loader
  - From: Mark Wielaard

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