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Remove Python2 fallback and only advertise Python3 in the doc

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Differential Revision: https://www.youtube.com/watch?v=RsL0cipURA0
This commit is contained in:
serge-sans-paille 2020-12-11 11:34:54 +01:00
parent f54cbc7c92
commit 71ab5028de
5 changed files with 4 additions and 18 deletions
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15
CMakeLists.txt
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@ -708,20 +708,7 @@ set(ENABLE_EXPERIMENTAL_NEW_PASS_MANAGER FALSE CACHE BOOL
include(HandleLLVMOptions)
find_package(Python3 COMPONENTS Interpreter)
if(NOT Python3_Interpreter_FOUND)
message(WARNING "Python3 not found, using python2 as a fallback")
find_package(Python2 COMPONENTS Interpreter REQUIRED)
if(Python2_VERSION VERSION_LESS 2.7)
message(SEND_ERROR "Python 2.7 or newer is required")
endif()
# Treat python2 as python3
add_executable(Python3::Interpreter IMPORTED)
set_target_properties(Python3::Interpreter PROPERTIES
IMPORTED_LOCATION ${Python2_EXECUTABLE})
set(Python3_EXECUTABLE ${Python2_EXECUTABLE})
endif()
find_package(Python3 REQUIRED COMPONENTS Interpreter)
######

2
docs/GettingStarted.rst
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@ -170,7 +170,7 @@ Package Version Notes
=========================================================== ============ ==========================================
`CMake <http://cmake.org/>`__ >=3.13.4 Makefile/workspace generator
`GCC <http://gcc.gnu.org/>`_ >=5.1.0 C/C++ compiler\ :sup:`1`
`python <http://www.python.org/>`_ >=2.7 Automated test suite\ :sup:`2`
`python <http://www.python.org/>`_ >=3.6 Automated test suite\ :sup:`2`
`zlib <http://zlib.net>`_ >=1.2.3.4 Compression library\ :sup:`3`
`GNU Make <http://savannah.gnu.org/projects/make>`_ 3.79, 3.79.1 Makefile/build processor\ :sup:`4`
=========================================================== ============ ==========================================

2
docs/GettingStartedVS.rst
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@ -51,7 +51,7 @@ You will also need the `CMake <http://www.cmake.org/>`_ build system since it
generates the project files you will use to build with.
If you would like to run the LLVM tests you will need `Python
<http://www.python.org/>`_. Version 2.7 and newer are known to work. You will
<http://www.python.org/>`_. Version 3.6 and newer are known to work. You will
need `GnuWin32 <http://gnuwin32.sourceforge.net/>`_ tools, too.
Do not install the LLVM directory tree into a path containing spaces (e.g.

1
docs/HowToBuildOnARM.rst
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@ -41,7 +41,6 @@ on the ARMv6 and ARMv7 architectures and may be inapplicable to older chips.
Use Ninja instead of Make: "-G Ninja"
Build with assertions on: "-DLLVM_ENABLE_ASSERTIONS=True"
Force Python2: "-DPYTHON_EXECUTABLE=/usr/bin/python2"
Local (non-sudo) install path: "-DCMAKE_INSTALL_PREFIX=$HOME/llvm/install"
CPU flags: "DCMAKE_C_FLAGS=-mcpu=cortex-a15" (same for CXX_FLAGS)

2
docs/TestingGuide.rst
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@ -23,7 +23,7 @@ Requirements
============
In order to use the LLVM testing infrastructure, you will need all of the
software required to build LLVM, as well as `Python <http://python.org>`_ 2.7 or
software required to build LLVM, as well as `Python <http://python.org>`_ 3.6 or
later.
LLVM Testing Infrastructure Organization