Change #273063

Comments

cmake: minor tidy-ups
- INSTALL-CMAKE.md: document that `CMAKE_INSTALL_PREFIX`
  may be set as environment (with CMake 3.29+)
  Ref: https://cmake.org/cmake/help/v3.29/variable/CMAKE_INSTALL_PREFIX.html
- CurlTests: fix copy-paste typo in comment.
  Spotted by GitHub Code Quality
- optimized out `_generated_dir` local variable.
- unfold a `@ONLY` to match rest of code.

Closes #22203

Changed files

• CMake/CurlTests.c
• CMakeLists.txt
• docs/INSTALL-CMAKE.md