CMP0026 is not known to this version of CMake.

[mottosso]

On CMake 2.8.12.2 under Scientific Linux release 6.6 (Carbon), I got this error message during cmake .. followed by a halt.

CMake Error at CMakeLists.txt:24 (cmake_policy):
  Policy "CMP0026" is not known to this version of CMake.

Removing this line successfully got me past the error without any noticeable side-effects.

# On Visual 2005 and above, this module can set the debug working directory
# cmake_policy(SET CMP0026 OLD)

[opengl-tutorial]

This is CMake 3 specific. I hesitate between unsupporting CMake 2, and
checking the version...

On Tue, Apr 19, 2016 at 3:53 PM, Marcus Ottosson notifications@github.com
wrote:

On CMake 2.8.12.2 under Scientific Linux release 6.6 (Carbon), I got this
error message during cmake .. followed by a halt.

CMake Error at CMakeLists.txt:24 (cmake_policy):
Policy "CMP0026" is not known to this version of CMake.

Removing this line successfully got me past the error without any
noticeable side-effects.

On Visual 2005 and above, this module can set the debug working directory# cmake_policy(SET CMP0026 OLD)

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#16

[mottosso]

Do you mean you only support CMake 3, or that the problem only occurs with CMake 3?

[ph81323]

hi @mottosso , have you solved the problem yet? I have the same CMake version as you and got the same error as yours.

[mottosso]

Hey @ph81323, yes, as I said, I solved it by removing that line. I'd make a PR for it, but I'm not sure it affects other versions negatively.

[ph81323]

Thanks @mottosso , it solved!