Speed up creation of bin scripts
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Key: DERBY-5478
URL: https://issues.apache.org/jira/browse/DERBY-5478
Project: Derby
Issue Type: Improvement
Components: Build tools
Affects Versions: 10.9.0.0
Reporter: Knut Anders Hatlen
Assignee: Knut Anders Hatlen
Priority: Minor
The binscripts build target takes around 3 seconds in the environments I use
for building Derby. It looks like most of the time is spent running the chmod
Ant task on the generated scripts. There are six invocations of the chmod task,
one for each script. The chmod task can operate on multiple files, so one
invocation should be enough (and one invocation on six files seems to have
about the same cost as one invocation on a single file).
A related problem is that the scripts are always regenerated in incremental
builds, even when there's nothing to do, so the binscripts target accounts for
a significant part of the time it takes to run an incremental build.
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