This comes up especially when doing an optimized build. diff.cc is always enabled even if all components are disabled, and it takes multiple seconds to compile.

Reporter: Antoine Pitrou / @pitrou
Assignee: Wes McKinney / @wesm

Related issues:

• [C++] Reduce shared library / binary code size (umbrella issue) (is related to)

PRs and other links:

• GitHub Pull Request #7311

_{Note: This issue was originally created as ARROW-7784. Please see the migration documentation for further details.}