[PATCH] D64894: [CMake] Don't set Python_ADDITIONAL_VERSIONS

[Jonas Devlieghere via Phabricator via llvm-commits]

JDevlieghere updated this revision to Diff 210451.
JDevlieghere added a comment.

Update the docs with information on the default behavior with regards to Python and how to overwrite it.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D64894/new/

https://reviews.llvm.org/D64894

Files:
  llvm/CMakeLists.txt
  llvm/docs/GettingStarted.rst


Index: llvm/docs/GettingStarted.rst
===================================================================
--- llvm/docs/GettingStarted.rst
+++ llvm/docs/GettingStarted.rst
@@ -598,6 +598,11 @@
 | CMAKE_INSTALL_PREFIX    | Specifies the install directory to target when     |
 |                         | running the install action of the build files.     |
 +-------------------------+----------------------------------------------------+
+| PYTHON_EXECUTABLE       | Forces CMake to use a specific Python version by   |
+|                         | passing a path to a Python interpreter. By default |
+|                         | the Python version of the interpreter in your PATH |
+|                         | is used.                                           |
++-------------------------+----------------------------------------------------+
 | LLVM_TARGETS_TO_BUILD   | A semicolon delimited list controlling which       |
 |                         | targets will be built and linked into llvm.        |
 |                         | The default list is defined as                     |
Index: llvm/CMakeLists.txt
===================================================================
--- llvm/CMakeLists.txt
+++ llvm/CMakeLists.txt
@@ -641,8 +641,6 @@
 
 include(HandleLLVMOptions)
 
-# We support both Python 2 and 3.
-set(Python_ADDITIONAL_VERSIONS 3.7 3.6 3.5 2.7)
 include(FindPythonInterp)
 if( NOT PYTHONINTERP_FOUND )
   message(FATAL_ERROR


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