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FindPython: enhance MinGW support

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Ensure python-config script can be used.
This commit is contained in:
Marc Chevrier
2023-06-24 17:40:52 +02:00
parent 21edd5af1f
commit d6b9af5f91
1 changed files with 54 additions and 11 deletions
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65
Modules/FindPython/Support.cmake
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@@ -474,7 +474,7 @@ function (_PYTHON_GET_CONFIG_VAR _PYTHON_PGCV_VALUE NAME)
set (config_flag "--${NAME}")
endif()
string (TOLOWER "${config_flag}" config_flag)
execute_process (COMMAND "${_${_PYTHON_PREFIX}_CONFIG}" ${config_flag}
execute_process (COMMAND ${_${_PYTHON_PREFIX}_CONFIG_LAUNCHER} ${config_flag}
RESULT_VARIABLE _result
OUTPUT_VARIABLE _values
ERROR_QUIET
@@ -752,12 +752,43 @@ function (_PYTHON_GET_VERSION)
endfunction()
function (_PYTHON_GET_LAUNCHER _PYTHON_PGL_NAME)
cmake_parse_arguments (PARSE_ARGV 1 _PGL "INTERPRETER;COMPILER" "" "")
cmake_parse_arguments (PARSE_ARGV 1 _PGL "INTERPRETER;COMPILER" "CONFIG" "")
unset (${_PYTHON_PGL_NAME} PARENT_SCOPE)
if ((_PGL_INTERPRETER AND NOT _${_PYTHON_PREFIX}_EXECUTABLE)
OR (_PGL_COMPILER AND NOT _${_PYTHON_PREFIX}_COMPILER))
OR (_PGL_COMPILER AND NOT _${_PYTHON_PREFIX}_COMPILER)
OR (_PGL_CONFIG AND NOT _${_PYTHON_PREFIX}_CONFIG))
return()
endif()
if (_PGL_CONFIG)
# default config script can be launched directly
set (${_PYTHON_PGL_NAME} "${_${_PYTHON_PREFIX}_CONFIG}" PARENT_SCOPE)
if (NOT MINGW)
return()
endif()
# on MINGW environment, python-config script may require bash to be launched
execute_process (COMMAND cygpath.exe -u "${_${_PYTHON_PREFIX}_CONFIG}"
RESULT_VARIABLE _result
OUTPUT_VARIABLE _config
ERROR_QUIET
OUTPUT_STRIP_TRAILING_WHITESPACE)
if (_result)
# impossible to convert path, keep default config
return()
endif()
execute_process (COMMAND bash.exe "${_config}" --prefix
RESULT_VARIABLE _result
OUTPUT_QUIET
ERROR_QUIET)
if (_result)
# fail to execute through bash, keep default config
return()
endif()
set(${_PYTHON_PGL_NAME} bash.exe "${_config}" PARENT_SCOPE)
return()
endif()
@@ -770,7 +801,7 @@ function (_PYTHON_GET_LAUNCHER _PYTHON_PGL_NAME)
AND ext STREQUAL ".exe")
set (${_PYTHON_PGL_NAME} "${${_PYTHON_PREFIX}_DOTNET_LAUNCHER}" PARENT_SCOPE)
endif()
else()
elseif (_PGL_COMPILER)
get_filename_component (name "${_${_PYTHON_PREFIX}_COMPILER}" NAME)
get_filename_component (ext "${_${_PYTHON_PREFIX}_COMPILER}" LAST_EXT)
if (name IN_LIST _${_PYTHON_PREFIX}_IRON_PYTHON_COMPILER_NAMES
@@ -2731,20 +2762,23 @@ if (("Development.Module" IN_LIST ${_PYTHON_PREFIX}_FIND_COMPONENTS
NO_DEFAULT_PATH)
endif()
_python_get_launcher (_${_PYTHON_PREFIX}_CONFIG_LAUNCHER CONFIG "${_${_PYTHON_PREFIX}_CONFIG}")
if (_${_PYTHON_PREFIX}_CONFIG)
execute_process (COMMAND "${_${_PYTHON_PREFIX}_CONFIG}" --help
execute_process (COMMAND ${_${_PYTHON_PREFIX}_CONFIG_LAUNCHER} --prefix
RESULT_VARIABLE _${_PYTHON_PREFIX}_RESULT
OUTPUT_VARIABLE __${_PYTHON_PREFIX}_HELP
ERROR_QUIET
ERROR_VARIABLE __${_PYTHON_PREFIX}_HELP
OUTPUT_STRIP_TRAILING_WHITESPACE)
if (_${_PYTHON_PREFIX}_RESULT)
# assume config tool is not usable
unset (_${_PYTHON_PREFIX}_CONFIG CACHE)
unset (_${_PYTHON_PREFIX}_CONFIG_LAUNCHER)
endif()
endif()
if (_${_PYTHON_PREFIX}_CONFIG)
execute_process (COMMAND "${_${_PYTHON_PREFIX}_CONFIG}" --abiflags
execute_process (COMMAND ${_${_PYTHON_PREFIX}_CONFIG_LAUNCHER} --abiflags
RESULT_VARIABLE _${_PYTHON_PREFIX}_RESULT
OUTPUT_VARIABLE __${_PYTHON_PREFIX}_ABIFLAGS
ERROR_QUIET
@@ -2756,22 +2790,25 @@ if (("Development.Module" IN_LIST ${_PYTHON_PREFIX}_FIND_COMPONENTS
if (DEFINED _${_PYTHON_PREFIX}_FIND_ABI AND NOT __${_PYTHON_PREFIX}_ABIFLAGS IN_LIST _${_PYTHON_PREFIX}_ABIFLAGS)
# Wrong ABI
unset (_${_PYTHON_PREFIX}_CONFIG CACHE)
unset (_${_PYTHON_PREFIX}_CONFIG_LAUNCHER)
endif()
endif()
if (_${_PYTHON_PREFIX}_CONFIG AND DEFINED CMAKE_LIBRARY_ARCHITECTURE)
# check that config tool match library architecture
execute_process (COMMAND "${_${_PYTHON_PREFIX}_CONFIG}" --configdir
execute_process (COMMAND ${_${_PYTHON_PREFIX}_CONFIG_LAUNCHER} --configdir
RESULT_VARIABLE _${_PYTHON_PREFIX}_RESULT
OUTPUT_VARIABLE _${_PYTHON_PREFIX}_CONFIGDIR
ERROR_QUIET
OUTPUT_STRIP_TRAILING_WHITESPACE)
if (_${_PYTHON_PREFIX}_RESULT)
unset (_${_PYTHON_PREFIX}_CONFIG CACHE)
unset (_${_PYTHON_PREFIX}_CONFIG_LAUNCHER)
else()
string(FIND "${_${_PYTHON_PREFIX}_CONFIGDIR}" "${CMAKE_LIBRARY_ARCHITECTURE}" _${_PYTHON_PREFIX}_RESULT)
if (_${_PYTHON_PREFIX}_RESULT EQUAL -1)
unset (_${_PYTHON_PREFIX}_CONFIG CACHE)
unset (_${_PYTHON_PREFIX}_CONFIG_LAUNCHER)
endif()
endif()
endif()
@@ -2817,8 +2854,10 @@ if (("Development.Module" IN_LIST ${_PYTHON_PREFIX}_FIND_COMPONENTS
unset (_${_PYTHON_PREFIX}_CONFIG_NAMES)
_python_get_launcher (_${_PYTHON_PREFIX}_CONFIG_LAUNCHER CONFIG "${_${_PYTHON_PREFIX}_CONFIG}")
if (_${_PYTHON_PREFIX}_CONFIG)
execute_process (COMMAND "${_${_PYTHON_PREFIX}_CONFIG}" --help
execute_process (COMMAND ${_${_PYTHON_PREFIX}_CONFIG_LAUNCHER} --prefix
RESULT_VARIABLE _${_PYTHON_PREFIX}_RESULT
OUTPUT_VARIABLE __${_PYTHON_PREFIX}_HELP
ERROR_QUIET
@@ -2826,6 +2865,7 @@ if (("Development.Module" IN_LIST ${_PYTHON_PREFIX}_FIND_COMPONENTS
if (_${_PYTHON_PREFIX}_RESULT)
# assume config tool is not usable
unset (_${_PYTHON_PREFIX}_CONFIG CACHE)
unset (_${_PYTHON_PREFIX}_CONFIG_LAUNCHER)
endif()
endif()
@@ -2833,7 +2873,7 @@ if (("Development.Module" IN_LIST ${_PYTHON_PREFIX}_FIND_COMPONENTS
continue()
endif()
execute_process (COMMAND "${_${_PYTHON_PREFIX}_CONFIG}" --abiflags
execute_process (COMMAND ${_${_PYTHON_PREFIX}_CONFIG_LAUNCHER} --abiflags
RESULT_VARIABLE _${_PYTHON_PREFIX}_RESULT
OUTPUT_VARIABLE __${_PYTHON_PREFIX}_ABIFLAGS
ERROR_QUIET
@@ -2845,23 +2885,26 @@ if (("Development.Module" IN_LIST ${_PYTHON_PREFIX}_FIND_COMPONENTS
if (DEFINED _${_PYTHON_PREFIX}_FIND_ABI AND NOT __${_PYTHON_PREFIX}_ABIFLAGS IN_LIST _${_PYTHON_PREFIX}_ABIFLAGS)
# Wrong ABI
unset (_${_PYTHON_PREFIX}_CONFIG CACHE)
unset (_${_PYTHON_PREFIX}_CONFIG_LAUNCHER)
continue()
endif()
if (_${_PYTHON_PREFIX}_CONFIG AND DEFINED CMAKE_LIBRARY_ARCHITECTURE)
# check that config tool match library architecture
execute_process (COMMAND "${_${_PYTHON_PREFIX}_CONFIG}" --configdir
execute_process (COMMAND ${_${_PYTHON_PREFIX}_CONFIG_LAUNCHER} --configdir
RESULT_VARIABLE _${_PYTHON_PREFIX}_RESULT
OUTPUT_VARIABLE _${_PYTHON_PREFIX}_CONFIGDIR
ERROR_QUIET
OUTPUT_STRIP_TRAILING_WHITESPACE)
if (_${_PYTHON_PREFIX}_RESULT)
unset (_${_PYTHON_PREFIX}_CONFIG CACHE)
unset (_${_PYTHON_PREFIX}_CONFIG_LAUNCHER)
continue()
endif()
string (FIND "${_${_PYTHON_PREFIX}_CONFIGDIR}" "${CMAKE_LIBRARY_ARCHITECTURE}" _${_PYTHON_PREFIX}_RESULT)
if (_${_PYTHON_PREFIX}_RESULT EQUAL -1)
unset (_${_PYTHON_PREFIX}_CONFIG CACHE)
unset (_${_PYTHON_PREFIX}_CONFIG_LAUNCHER)
continue()
endif()
endif()