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libCom: epicsVersion.h changes

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Make version numbers easier to compare.
This commit is contained in:
Andrew Johnson
2011-08-30 17:50:53 -05:00
parent 86c373370f
commit c5212ea23c
3 changed files with 29 additions and 1 deletions
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documentation/RELEASE_NOTES.html
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@@ -15,6 +15,26 @@ EPICS Base 3.15.0.x releases are not intended for use in production systems.</p>
<h2 align="center">Changes between 3.14.x and 3.15.0.x</h2>
<!-- Insert new items immediately below here ... -->
<h3>
Changes to epicsVersion.h</h3>
<p>
The two macros <tt>EPICS_UPDATE_LEVEL</tt> and <tt>EPICS_CVS_SNAPSHOT</tt> have
been deleted from the epicsVersion.h file; they were deprecated in R3.14 and can
be replaced with <tt>EPICS_PATCH_LEVEL</tt> and <tt>EPICS_DEV_SNAPSHOT</tt>
respectively.</p>
<p>
A new pair of macros has been added to make version number comparisons easier.
Code that will not work with a version of Base before 3.15.0 can now be
written like this to prevent it from compiling:</p>
<pre style="margin: 0 2em;">
#if defined(VERSION_INT) && EPICS_VERSION_INT < VERSION_INT(3,15,0,0)
# error EPICS Base R3.15.0 or later is required
#endif
</pre>
<h3>
Added support for iocLogPrefix</h3>