Prefer custom python interpreter set via -DPython_EXECUTABLE if possible

This commit is contained in:
Axel Kohlmeyer
2023-05-10 18:48:47 -04:00
parent 7c4883704c
commit 4c65aa572d
2 changed files with 12 additions and 4 deletions

View File

@ -5,6 +5,10 @@ if(CMAKE_VERSION VERSION_LESS 3.12)
set(Python3_VERSION ${PYTHON_VERSION_STRING})
endif()
else()
# use default (or custom) Python executable, if version is sufficient
if(Python_VERSION VERSION_GREATER_EQUAL 3.5)
set(Python3_EXECUTABLE ${Python_EXECUTABLE})
endif()
find_package(Python3 COMPONENTS Interpreter QUIET)
endif()

View File

@ -4,14 +4,18 @@
option(BUILD_DOC "Build LAMMPS HTML documentation" OFF)
if(BUILD_DOC)
# Sphinx 3.x requires at least Python 3.5
# Current Sphinx versions require at least Python 3.8
if(CMAKE_VERSION VERSION_LESS 3.12)
find_package(PythonInterp 3.5 REQUIRED)
find_package(PythonInterp 3.8 REQUIRED)
set(VIRTUALENV ${PYTHON_EXECUTABLE} -m venv)
else()
# use default (or custom) Python executable, if version is sufficient
if(Python_VERSION VERSION_GREATER_EQUAL 3.8)
set(Python3_EXECUTABLE ${Python_EXECUTABLE})
endif()
find_package(Python3 REQUIRED COMPONENTS Interpreter)
if(Python3_VERSION VERSION_LESS 3.5)
message(FATAL_ERROR "Python 3.5 and up is required to build the HTML documentation")
if(Python3_VERSION VERSION_LESS 3.8)
message(FATAL_ERROR "Python 3.8 and up is required to build the HTML documentation")
endif()
set(VIRTUALENV ${Python3_EXECUTABLE} -m venv)
endif()