March 11, 2015
  Branch: refs/heads/master
  Home:   https://github.com/D-Programming-Language/dmd
  Commit: be6b2122a8aacd3d17f35ee211766fccaf56beab
      https://github.com/D-Programming-Language/dmd/commit/be6b2122a8aacd3d17f35ee211766fccaf56beab
  Author: Dan Olson <danole@comcast.net>
  Date:   2015-03-11 (Wed, 11 Mar 2015)

  Changed paths:
    M src/posix.mak

  Log Message:
  -----------
  Run idgen only when necessary

Make idgen a real target again so id.[hc] are not always recreated.


  Commit: f229d2a115df6a0ca632553145a09afd8f9307dd
      https://github.com/D-Programming-Language/dmd/commit/f229d2a115df6a0ca632553145a09afd8f9307dd
  Author: Daniel Murphy <yebblies@gmail.com>
  Date:   2015-03-12 (Thu, 12 Mar 2015)

  Changed paths:
    M src/posix.mak

  Log Message:
  -----------
  Merge pull request #4477 from smolt/make-idgen

Run idgen only when necessary


Compare: https://github.com/D-Programming-Language/dmd/compare/77b5fef909e5...f229d2a115df