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Bootstrapping CC

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gitkaste edited this page Mar 11, 2011 · 6 revisions

Since Xcode is no longer free, but Homebrew is, we need a way to provide the CC toolchain to Homebrew users without them having to pay (no cost arguments here please).

Tools we need:

  • CC
  • GNUMake
  • Bison/yacc
  • binutils
  • gas?
  • ld

Which GCC?

LLVM or GCC 4.2 or GCC 4.5?

Homebrew as a policy doesn't dupe, because it's a PITA to support. So deviating from what Apple provide would hurt us. So we should go with LLVM. But half of open source software has LLVM compile issues so we should go with GCC. Not picking the latest GCC seems ridiculous, but open source software is tweaked to build with 4.2 on OS X and may have issues if we go with 4.5

  • if we boot strap then this is pretty much a nonissue i'd say since we can just choose to use 4.2 (kaste)

Bootstrapping

Build binaries and host them somewhere. You can't build CC without a CC.

  • we could utilize the prebuilt gcc from high performance computing and build our own but that is not the only thing required for bootstrapping, so we'd need to build the smaller ones ourselves (kaste)

Stealing the relevant PKGs from the Xcode DMG

We can remove 5 or 6 of the .pkgs from the Xcode DMG and stick them as a torrent on some torrent sites. Apple prolly don't care, it's not Xcode it's just the unix tools. This is the best option if we don't mind being dirty thieves.

  • Not a wise idea, Steve's hobby is suing, remember. (kaste)
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