cmake clenups.

[kloczek]

Description

• skip checking for C++ compiler by specify in cmake project() LANGUAGES C ASM
• fix man pages install path

  Affected parts

• [ ] Library
• [ ] Test Application
• [ ] Perf Application
• [x] Other: cmake

Motivation and Context

• fix man paes install path
• minimise build env requirements

How Has This Been Tested?

• patches integrated into my rpm package build

Types of changes

• [x] Bug fix (non-breaking change which fixes an issue)
• [ ] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)

Checklist:

• [x] My code follows the code style of this project.
• [ ] My change requires a change to the documentation.
• [ ] I have updated the documentation accordingly.

[diizzyy]

You probably want to use MANDIR instead of hardcoding it https://cmake.org/cmake/help/latest/module/GNUInstallDirs.html#module:GNUInstallDirs

[kloczek]

Yes but that is better than nothing 😋

[diizzyy]

Please update your PR it to use ${CMAKE_INSTALL_MANDIR} then :-)

[mdcornu]

You probably want to use MANDIR instead of hardcoding it https://cmake.org/cmake/help/latest/module/GNUInstallDirs.html#module:GNUInstallDirs

Is there any plan to add this in this PR?

[mdcornu]

This has been merged in b0d25b8f04d99229dd616a4afe59e1e91f689b4b and d1ff02c90449ba2046e9d0491244fbf7fabc822f. Thank you for your contribution.

[kloczek]

Thank you