Status: Tests succeed, looks complete.
This is based on top of #2243 (LevelDB build bugfixes).
This is necessary for proper downstream distro packaging, and useful for people who have LevelDB installed for other reasons anyway. Undocumented to infer an unsupported status, but I could add a brief blurb if that's desirable. Only implemented for Linux (ie, not makefile.) for now - I assume OSX and Windows won't be packaging LevelDB/Bitcoin themselves anytime soon. Note that this does NOT remove the copied leveldb from the code, and will still build with that by default.
To test with system LevelDB:
Step 6 (test_bitcoin) will fail if your system LevelDB does not support memenv. This is expected behaviour.
To test included LevelDB still works:
Bitcoin-Qt and bitcoind no longer include the LevelDB memenv module (only test_bitcoin uses it) - saves 423 KB
Debian is at least looking at including memenv, won't happen until after Wheezy is released though:
@maqifrnswa memenv is only needed for test_bitcoin.
Though this will certainly need updating, pending autotools work
I'd delay this until after autotoolification, as it would need to be redone from scratch otherwise anyway.
However, all but test_bitcoin not linking against libmemenv.a seems meaningful by itself.
In the meantime, I fixed a bug building test_bitcoin against system leveldb (memenv.h is not in a subdirectory)
Omit LevelDB's memenv module from Bitcoin-Qt and bitcoind builds, sin…
…ce they never use it
Add undocumented USE_SYSTEM_LEVELDB build option (GNU/Linux only)
Automatic sanity-testing: FAILED BUILD/TEST, see http://jenkins.bluematt.me/pull-tester/9f62e7c190d27b14b834d6d085ad136c496e83d0 for binaries and test log.
This could happen for one of several reasons:
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This needs rebase because of Autotools, dunno if it's even required...
Closing this as autotools will need a completely different solution.