gcc80: Shorten build time in libraries target.When compiling compiler libraries build the minimal set of toolsrequired to generated the needed headers. Rest of the tools includinglibcpp.na will b
gcc80: Shorten build time in libraries target.When compiling compiler libraries build the minimal set of toolsrequired to generated the needed headers. Rest of the tools includinglibcpp.na will be built during more parallel gnu/usr.bin stage.Shaves off ~30s from make buildworld.While there, do the same for gcc47 and gcc50. Also clean stale file.
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gcc50: Plug in WARNS framework for tools.At this point should be no-op change.While there, do the same for gcc50 and gcc47.
gcc4X: rework some makefilesThese are various tweaks to improve compatibility between legacy make andbmake. The biggest change was moving gnu/usr.bin dependencies outside toMakefile.inc1 as part
gcc4X: rework some makefilesThese are various tweaks to improve compatibility between legacy make andbmake. The biggest change was moving gnu/usr.bin dependencies outside toMakefile.inc1 as part of _startup_lib* rather than fudge it with .PHONYtargets. This kludge was causing some issues, as well as the double .USEtrick.
gcc47: Add DragonFly READMEs and world makefiles