[CMake] Confusion regarding usage of find_package and PATHS or HINTS

[R. Keith Morley]

Hello,

I am having trouble using find_package along with PATHS or HINTS. If I
include a PATHS or HINTS path which does not contain the searched-for
package, I always get an error such as this:

CMake Error at CMakeLists.txt:182 (find_package):
    Could not find module FindGLEW.cmake or a configuration file for package
    GLEW.

    Adjust CMAKE_MODULE_PATH to find FindGLEW.cmake or set GLEW_DIR to the
    directory containing a CMake configuration file for GLEW.  The file will
    have one of the following names:

      GLEWConfig.cmake
      glew-config.cmake


If I leave off the HINTS or PATHS modifier, everything works fine and
the packages, which is located in a standard system dir, is found.  I
have noticed this with FindGLEW and with FindBoost in cmake versions
2.8.11.2 and with 2.8.7.



TLDR --

find_package( GLEW REQUIRED
      #PATHS /software/glew/1.5.5/linux.centos5.x86_64/gcc4.1.2/
      )

Works fine:
-- Found GLEW: /usr/include

When I uncomment PATHS (or use HINTS in same way) I get the above error.


Any advice is appreciated.

keith


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