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The cling C++ interpreter

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Build fails: Could not open file for write in copy operation /usr/local/llvm15/lib/cmake/cling/ClingConfig.cmake.tmp

yurivict opened this issue · comments

commented

Describe the bug

cmake configure attempts to write a file into a read-only location under $PREFIX.

-- And then fallback to: 'ccache'
CMake Error: Could not open file for write in copy operation /usr/local/llvm15/lib/cmake/cling/ClingConfig.cmake.tmp
CMake Error: : System Error: No such file or directory
CMake Error at cmake/modules/CMakeLists.txt:22 (configure_file):
  configure_file Problem configuring file

Setup

  1. Cling version: rev.6d52a95
  2. Operating system: FreeBSD 13.1
  3. How you obtained Cling, such as with cpt.py: GitHub
commented

/usr/local/llvm15 won't work, you need to use llvm-project from https://github.com/root-project/llvm-project - use the branch called cling-llvm13. Does that help?