Fix compilation of assembly source.
Make equal timestamps up to date.
Use path manipulation funcs for building paths.
Fail if we can't write the output.
Dump reasons for rebuild in debug.
Make install targets phony.
Uses depend on their sources, even outside libs.
Pick the right man prefix.
Better staleness decisions.
Add start of documentation.
Add output -> src mapping.
.myr files should be leaves.
Remove a stray debug print.
Build the usefile for a library.
Init and use the runtime option correctly.
Add support for installing manpages.
When a directory isn't enterable, fail.
Add support for entering/building subdirectories.
Add 'types.myr' to the build file.
Build fresh things transitively.
Remove debug dumps and compiler workarounds.
Implement attribute list parsing.
Prepare to implement build attributes.
Add support for 'install'/'uninstall.
Populate options correctly.
Add function to clean only one target.
Add support for './mbld clean'
Add missing configure script.
Start adding support for useful targets.
Add support for command line build options.
Pull out functions into util.myr
Add support for 'lib' target.