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From Andrew McIntyre <fuzzylo...@nonintuitive.com>
Subject Re: compilation errors
Date Wed, 08 Sep 2004 23:09:56 GMT
Hi,

Please post the output from Ant if you are having problems. It is 
easier to determine the source of the problems from the output of Ant.

As a general rule, if you've followed the setup instructions in 
BUILDING.txt at the root-level of the source tree (available at 
http://incubator.apache.org/derby/BUILDING.html on the web), then the 
best way to get around problems caused by a previous bad compile is to 
run the clobber target ('ant clobber') at the top level to remove all 
generated files and rerun the build from scratch.

As for SanityState, 'sanity' was a concept introduced early in 
Cloudscape as a way to have assert functionality before the language 
supported it (which didn't happen until the recent 1.4.2 release). In 
short, the way 'sanity' works is assertions are contained in an if 
block with the value of one of the static final booleans in 
SanityState.java, like so:

if (SanityState.DEBUG)
{
   // assertion goes here
}

Because the value of SanityState.DEBUG is static and final, good 
compilers will optimize away the block of code containing the assert.

SanityState.java is generated as the first step of the build by 
replacing tokens in the template file, SanityState.tmpl, with the 
proper values for the build. By default, the sanity state is 'sane,' or 
a debug build, and the value of SanityState.DEBUG is true. In an 
'insane,' or optimized build, the value of SanityState.DEBUG is false, 
and compilation options for removing debugging information are also 
turned on. See the 'init' target in the top-level build.xml to see the 
mechanics of this.

To run an insane build, run the clobber target to remove all generated 
files (including the generated SanityState.java and the sanity 
state.properties file). Then run the insane target at the top level to 
set up the sanity state.properties file. Then, running a full build 
will generate an 'optimized' insane build.

best regards,
andrew


On Sep 8, 2004, at 8:27 AM, Veaceslav Chicu wrote:

> hi,
>
> I get sources from repository, I have errors, missing classes, for 
> example:
> package org.apache.derby.iapi.services.sanity.SanityManager;
> line 58, 59
> what is the story with SanityState.tmpl ??
> why it's not a .java ??
>
>
> is there somebody who has same errors?
>
> best regards,
> Slavic
> P.S. I see a lot of warnings
>


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