Cmake not running on AIX 7.1,7.2

Looks like I don’t have xlclang installed:

ls /usr/vacpp/bin/xlc*
/usr/vacpp/bin/xlc@              /usr/vacpp/bin/xlc++@
/usr/vacpp/bin/xlc++128@         /usr/vacpp/bin/xlc++128_r@
/usr/vacpp/bin/xlc++128_r4@      /usr/vacpp/bin/xlc++128_r7@
/usr/vacpp/bin/xlc++128core@     /usr/vacpp/bin/xlc++128core_r@
/usr/vacpp/bin/xlc++128core_r7@  /usr/vacpp/bin/xlc++_r@
/usr/vacpp/bin/xlc++_r4@         /usr/vacpp/bin/xlc++_r7@
/usr/vacpp/bin/xlc++core@        /usr/vacpp/bin/xlc++core_r@
/usr/vacpp/bin/xlc++core_r7@     /usr/vacpp/bin/xlc128@
/usr/vacpp/bin/xlc128_r@         /usr/vacpp/bin/xlc128_r4@
/usr/vacpp/bin/xlc128_r7@        /usr/vacpp/bin/xlc_r@
/usr/vacpp/bin/xlc_r4@           /usr/vacpp/bin/xlc_r7@

Is it difficult to install xlclang?

Looks like you’ll need v16.1 or later:

Alternatively, you may just want to use GCC to bootstrap CMake.

I have gcc 8.3.0 installed but not g++. I will look into installing clang v16.1 or g++. Thanks again for everyone’s suggestions!