On 10/16/2012 08:10 PM, Sean Hogan wrote:
On 12-10-16 12:08 AM, Craig Ringer wrote:
On 10/15/2012 11:10 PM, seancompusult wrote:
Does anyone have a solution for people like me who must use Java 5?
I had no problems building current git head of the JDBC driver with
Java SE 5, nor the REL_9_2_STABLE branch.
Ah, quite right. I was having a problem running ant, because it itself
was compiled with Java 7. :-( IMO the whole approach of relying on
compiling with specific Java versions is flawed, but at least I've
gotten past this issue so I'm happy. Thanks for that.
Yes, it's flawed, but it's also unfortunately necessary.
javac offers flags like -source 1.5 -target 1.5 for controlling bytecode
generation and source compatibility. That's fine, but it offers
absolutely no way to say "treat standard library packages, classes and
methods added after Java SE 5 as missing".
This means that for testing at least it's required to build with a
variety of JDK versions.
I agree that it'd be nice to support downlevel class generation for end
users. It may even be possible; I haven't dug into build.xml in detail yet.
--
Craig Ringer
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