Build: clean up build system, use shared Makefiles #889
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Allow everything to be built from the top level directory with just 'make', cleaned with 'make clean', and installed with 'make install'. Also support these in any particular subdirectory. Specifying 'make VERBOSE=1' will print each ld/g++/etc. command as it runs. Kernel and early host tools (IPCCompiler, etc.) are built as object.host.o so that they don't conflict with other things built with the cross-compiler.
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Cross-directory dependency tracking works!? |
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This unifies all of the Makefiles and install scripts so everything depends on the root-level
Makefile.commonfor setting GCC defines and options, and everything is built with-Werrornow. This introduces a failure due to #888 and the ones I mentioned on IRC.This makes it possible to build everything with just
makefrom the top-level directory, andmake installto install things toBase/, though it still needsKernel/build-root-filesystem.shto copy other things into it. It should handle dependencies properly so touching one header will properly rebuild just what is needed with another top-levelmake. The tests being done inAK/Testscan be triggered withmake testand everything can be cleaned withmake clean.I think
Kernel/makeall.shcan be removed after this and probably an update ofReadMe.mdis needed to reflect new build instructions.馃巺