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macro(ensure_pybind11_cmake_module_is_in_path)
# Get pybind11 major version
execute_process(
COMMAND "${PYTHON_EXECUTABLE}" -m pybind11 --version
RESULT_VARIABLE _pyb_res
OUTPUT_VARIABLE _pyb_out
ERROR_VARIABLE _pyb_err
OUTPUT_STRIP_TRAILING_WHITESPACE
ERROR_STRIP_TRAILING_WHITESPACE
)
if(NOT _pyb_res EQUAL 0)
message(FATAL_ERROR
"Failed to run '${PYTHON_EXECUTABLE} -m pybind11 --version' (exit ${_pyb_res}). "
"Stderr: ${_pyb_err}"
)
endif()
set(_ver_str "${_pyb_out}")
# Try to capture major.minor.patch or major.minor or just major
set(_parsed FALSE)
string(REGEX MATCH "([0-9]+)\\.([0-9]+)\\.([0-9]+)" _m3 "${_ver_str}")
if(NOT "${_m3}" STREQUAL "")
set(_major "${CMAKE_MATCH_1}")
set(_minor "${CMAKE_MATCH_2}")
set(_patch "${CMAKE_MATCH_3}")
set(_parsed TRUE)
endif()
if(NOT _parsed)
string(REGEX MATCH "([0-9]+)\\.([0-9]+)" _m2 "${_ver_str}")
if(NOT "${_m2}" STREQUAL "")
set(_major "${CMAKE_MATCH_1}")
set(_minor "${CMAKE_MATCH_2}")
set(_patch "0")
set(_parsed TRUE)
endif()
endif()
if(NOT _parsed)
string(REGEX MATCH "([0-9]+)" _m1 "${_ver_str}")
if(NOT "${_m1}" STREQUAL "")
set(_major "${CMAKE_MATCH_1}")
set(_minor "0")
set(_patch "0")
set(_parsed TRUE)
endif()
endif()
if(NOT _parsed)
message(FATAL_ERROR "Could not parse pybind11 version from: '${_ver_str}'")
endif()
if (_major STREQUAL "3")
set(DIR_ARG "--cmakedir")
else()
set(DIR_ARG "--cmake")
endif()
execute_process(
COMMAND "${PYTHON_EXECUTABLE}" "-m" "pybind11" "${DIR_ARG}"
RESULT_VARIABLE _PYTHON_SUCCESS
OUTPUT_VARIABLE PYBIND11_CMAKE_MODULES_PATH
)
if(_PYTHON_SUCCESS MATCHES 0)
string(REGEX REPLACE "\n" "" PYBIND11_CMAKE_MODULES_PATH
${PYBIND11_CMAKE_MODULES_PATH}
)
list(INSERT CMAKE_PREFIX_PATH 0 "${PYBIND11_CMAKE_MODULES_PATH}")
else()
message(
WARNING "Failed to get pybind11 cmake prefix path ${_PYTHON_SUCCESS}"
)
endif()
endmacro()
macro(set_python_executable_from_current_venv)
if(WIN32)
if(DEFINED ENV{CONDA_PREFIX})
list(INSERT CMAKE_PREFIX_PATH 0 "$ENV{CONDA_PREFIX}/Library/share/cmake")
set(PYTHON_EXECUTABLE "$ENV{CONDA_PREFIX}/python.exe")
elseif(DEFINED ENV{VIRTUAL_ENV})
set(PYTHON_EXECUTABLE "$ENV{VIRTUAL_ENV}/Scripts/python.exe")
endif()
else()
if(DEFINED ENV{CONDA_PREFIX})
set(PYTHON_EXECUTABLE "$ENV{CONDA_PREFIX}/bin/python")
elseif(DEFINED ENV{VIRTUAL_ENV})
set(PYTHON_EXECUTABLE "$ENV{VIRTUAL_ENV}/bin/python")
else()
set(PYTHON_EXECUTABLE "python3")
endif()
endif()
endmacro()
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