Glob convenience methods
std::string glob = getFilesInDir(...);

Generate compilation database
https://clang.llvm.org/docs/JSONCompilationDatabase.html

Add support for pre/post build hooks with conditions

Add shell script targets to be able to generate soucre files that can
be included as sources in normal build targets.
For example imageconverter

Compiler selection per-target (for arm cross-compilation)