[Rock-dev] Old style vs. new-style way to find Rock CMake macros

[Sylvain Joyeux]

The old-style way was using include() with an environment variable. This
has been deprecated for ~8 months now, and is now unavailable when using
master.

If your package fails to build in the configure phase with a message
saying that /Rock.cmake could not be found (or something like that),
just replace the include(...) line with

  find_package(Rock)

If you are using RockRuby or some other CMake modules shipped with Rock,
you have to do
  find_package(Rock)

before you do
  include(RockRuby)

-- 
Sylvain Joyeux (Dr.Ing.)
Senior Researcher

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