src/llvm/autoconf/README.TXT

   1 Upgrading autoconf
   2 ===============================================================================
   3
   4 If you are in the mood to upgrade autoconf, you should:
   5
   6  1. Consider not upgrading.
   7  2. No really, this is a hassle, you don't want to do it.
   8  3. Get the new version of autoconf and put it in <SRC>
   9  4. configure/build/install autoconf with --prefix=<PFX>
  10  5. Run autoupdate on all the m4 macros in llvm/autoconf/m4
  11  6. Run autoupdate on llvm/autoconf/configure.ac
  12  7. Regenerate configure script with AutoRegen.sh
  13  8. If there are any warnings from AutoRegen.sh, fix them and go to step 7.
  14  9. Test, test, test.