sbuild 0.7.6

Closes #30719.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>
chicken: fix build on older Xcodes

Closes #30713.

Signed-off-by: Misty De Meo <mistydemeo@gmail.com>
libcouchbase 2.3.2
libcouchbase: update 2.3.2 bottle.

Closes #30721.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>
chicken: fix build on CLT-only

Closes #30720.

Signed-off-by: Misty De Meo <mistydemeo@gmail.com>
Only store one proc per BuildEnvironment instance
Don't need mocks here
Fix BuildEnvironment marshalling test
Fix BuildEnvironment initializer
Remove knowledge of serialization details by marshaling twice
Define 1.8 marshal hooks in terms of 1.9+ marshal hooks