Alex Shinn a18deb68cc Optional code refactoring. ... Chibi uses a lot of #if conditioned code so that configuration management can be done entirely with the C preprocessor. Originally this also involved conditional includes of .c files from other source files. The alterative, which this change switches to, is to compile and link all files, and for uneeded files conditionally eliminate their entire bodies so they compile to empty object files. Pros for conditionally including all code into one large file: * Don't need to declare most functions (keeps .h files small). * Can keep most functions static/inlined (keeps objects small). * Don't need to even distribute uneeded files with the default Makefile (e.g. can prune opt/* from dist for minimal builds). Pros for linking multiple possibly empty files: * Extensions and third-party libs probably want the exported declarations anyway. * Static analysis tools work better (e.g. flymake on what previously was an included file). * Can build each file in parallel (i.e. make -j for faster builds). * Can build and link in just the changed files, instead of having to recompile the whole thing. For Chibi these are all minor points - it will be small regardless, and will build fast regardless - but the arguments for splitting seem stronger. Note the new shared lib is about 1k larger, but that can be trimmed down later.		2012-06-21 23:04:07 -07:00
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chibi	Optional code refactoring.	2012-06-21 23:04:07 -07:00