am e8d64956: Merge change I6b913ab8 into eclair

Merge commit 'e8d649561a6dbc6e0260d4b24049c00d23e7285b' into eclair-mr2

* commit 'e8d649561a6dbc6e0260d4b24049c00d23e7285b':
  Fix toolchain scripts for Darwin and Cygwin.