[MacPorts] #47844: cmake_share_module_dir set to wrong value in cmake PortGroup

[MacPorts]

#47844: cmake_share_module_dir set to wrong value in cmake PortGroup
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  Reporter:  mmoll@…  |      Owner:  macports-tickets@…
      Type:  defect   |     Status:  new
  Priority:  Normal   |  Milestone:
 Component:  ports    |    Version:  2.3.3
Resolution:           |   Keywords:
      Port:  cmake    |
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Comment (by michaelld@…):

 We use "cmake_share_module_dir" to set "CMAKE_MODULE_PATH" in the cmake
 1.0 PortGroup, which according to
 [http://www.cmake.org/cmake/help/v2.8.12/cmake.html#variable:CMAKE_MODULE_PATH
 the CMake docs]:
 {{{
 CMAKE_MODULE_PATH: List of directories to search for CMake modules.
 Commands like include() and find_package() search for files in directories
 listed by this variable before checking the default modules that come with
 CMake.
 }}}

 So, this setting is for finding stuff only, not for storing stuff. In my
 experience and testing using CMake, this setting works well, even if
 ${prefix}/share/cmake/Modules is not in the standard search path for CMake
 modules.

 IIRC, cmake "recently" added in a couple standard paths for the MODULE
 path, including this one as well as ${prefix}/lib/cmake/Modules; so, it is
 possible this setting is not actually needed.

 Overall: I'm not sure what the actual issue is here. I'll have to look at
 eigen3 & see what's going on with it. My guess is it's just a simple
 setting issue, rather than this variable being incorrect.

-- 
Ticket URL: <https://trac.macports.org/ticket/47844#comment:2>
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