fix: more readable error on missing ccmake (#667)

* fix: more readable error on missing `ccmake`

* Make check cross-platform

Author: Andrej730

src/cmake/__init__.py

@@ -1,6 +1,7 @@
 from __future__ import annotations
 
 import os
+import shutil
 import subprocess
 import sys
 from importlib.metadata import distribution
@@ -50,6 +51,11 @@ def _program_exit(name: str, *args: str) -> NoReturn:
 
 
 def ccmake() -> NoReturn:
+    if shutil.which("ccmake", path=CMAKE_BIN_DIR) is None:
+        raise FileNotFoundError(
+            f"'ccmake' is not available in cmake installation at '{CMAKE_BIN_DIR}'. "
+            "Perhaps 'ccmake' is not yet inclucded to the package for this platform."
+        )
     _program_exit('ccmake', *sys.argv[1:])