meson setup .build-openbench --cross-file targets/linux-native.txt --wipe --buildtype=release
The Meson build system
Version: 1.3.2
Source dir: /tmp/tmpz3vuu2dg/Meltdown/Meltdown-tmp
Build dir: /tmp/tmpz3vuu2dg/Meltdown/Meltdown-tmp/.build-openbench
Build type: cross build
Project name: meltdown-chess-engine
Project version: dev-1.0

meson.build:1:0: ERROR: Unknown compiler(s): [['clang++']]
The following exception(s) were encountered:
Running `clang++ --version` gave "[Errno 2] No such file or directory: 'clang++'"

A full log can be found at /tmp/tmpz3vuu2dg/Meltdown/Meltdown-tmp/.build-openbench/meson-logs/meson-log.txt
make: *** [Makefile:20: openbench] Error 1