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FindPython: Add cross-compilation support for Debian-based systems.

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Debian-based Linux distributions locate their architecture-specific
pythonX.Y-config tool at /usr/bin/<arch>-python<X.Y>-config.

We first attempt to find and use the architecture-specific
pythonX.Y-config tool. If the pythonX.Y-config tools are absent, then we
proceed to find the architecture-specific Python libraries.

Fixes: #17912
This commit is contained in:
Yee Fan
2018-04-18 00:05:27 +08:00
parent 48b5daaf7c
commit 7855e4d6b7
1 changed files with 23 additions and 15 deletions
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38
Modules/FindPython/Support.cmake
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@@ -436,10 +436,16 @@ if ("Development" IN_LIST ${_PYTHON_PREFIX}_FIND_COMPONENTS
string (REPLACE "." "" _${_PYTHON_PREFIX}_VERSION_NO_DOTS ${_${_PYTHON_PREFIX}_VERSION})
# try to use pythonX.Y-config tool
set (_${_PYTHON_PREFIX}_CONFIG_NAMES)
if (DEFINED CMAKE_LIBRARY_ARCHITECTURE)
set (_${_PYTHON_PREFIX}_CONFIG_NAMES "${CMAKE_LIBRARY_ARCHITECTURE}-python${_${_PYTHON_PREFIX}_VERSION}-config")
endif()
list (APPEND _${_PYTHON_PREFIX}_CONFIG_NAMES "python${_${_PYTHON_PREFIX}_VERSION}-config")
find_program (_${_PYTHON_PREFIX}_CONFIG
NAMES python${_${_PYTHON_PREFIX}_VERSION}-config
NAMES ${_${_PYTHON_PREFIX}_CONFIG_NAMES}
HINTS ${_${_PYTHON_PREFIX}_HINTS}
PATH_SUFFIXES bin)
unset (_${_PYTHON_PREFIX}_CONFIG_NAMES)
if (NOT _${_PYTHON_PREFIX}_CONFIG)
continue()
@@ -481,17 +487,17 @@ if ("Development" IN_LIST ${_PYTHON_PREFIX}_FIND_COMPONENTS
PATH_SUFFIXES lib
NO_SYSTEM_ENVIRONMENT_PATH
NO_CMAKE_SYSTEM_PATH)
# retrieve runtime library
if (${_PYTHON_PREFIX}_LIBRARY_RELEASE)
get_filename_component (_${_PYTHON_PREFIX}_PATH "${${_PYTHON_PREFIX}_LIBRARY_RELEASE}" DIRECTORY)
_python_find_runtime_library (${_PYTHON_PREFIX}_RUNTIME_LIBRARY_RELEASE
NAMES ${_${_PYTHON_PREFIX}_LIB_NAMES}
NAMES_PER_DIR
HINTS ${_${_PYTHON_PREFIX}_PATH} ${_${_PYTHON_PREFIX}_HINTS}
PATH_SUFFIXES bin
NO_SYSTEM_ENVIRONMENT_PATH
NO_CMAKE_SYSTEM_PATH)
endif()
# retrieve runtime library
if (${_PYTHON_PREFIX}_LIBRARY_RELEASE)
get_filename_component (_${_PYTHON_PREFIX}_PATH "${${_PYTHON_PREFIX}_LIBRARY_RELEASE}" DIRECTORY)
_python_find_runtime_library (${_PYTHON_PREFIX}_RUNTIME_LIBRARY_RELEASE
NAMES ${_${_PYTHON_PREFIX}_LIB_NAMES}
NAMES_PER_DIR
HINTS ${_${_PYTHON_PREFIX}_PATH} ${_${_PYTHON_PREFIX}_HINTS}
PATH_SUFFIXES bin
NO_SYSTEM_ENVIRONMENT_PATH
NO_CMAKE_SYSTEM_PATH)
endif()
endif()
# retrieve include directory
@@ -538,7 +544,7 @@ if ("Development" IN_LIST ${_PYTHON_PREFIX}_FIND_COMPONENTS
[HKEY_CURRENT_USER\\SOFTWARE\\Python\\ContinuumAnalytics\\Anaconda${_${_PYTHON_PREFIX}_VERSION_NO_DOTS}-${_${_PYTHON_PREFIX}_ARCH}\\InstallPath]
[HKEY_LOCAL_MACHINE\\SOFTWARE\\Python\\PythonCore\\${_${_PYTHON_PREFIX}_VERSION}\\InstallPath]
[HKEY_LOCAL_MACHINE\\SOFTWARE\\Python\\ContinuumAnalytics\\Anaconda${_${_PYTHON_PREFIX}_VERSION_NO_DOTS}-${_${_PYTHON_PREFIX}_ARCH}\\InstallPath]
PATH_SUFFIXES lib libs
PATH_SUFFIXES lib/${CMAKE_LIBRARY_ARCHITECTURE} lib libs
lib/python${_${_PYTHON_PREFIX}_VERSION}/config-${_${_PYTHON_PREFIX}_VERSION}mu
lib/python${_${_PYTHON_PREFIX}_VERSION}/config-${_${_PYTHON_PREFIX}_VERSION}m
lib/python${_${_PYTHON_PREFIX}_VERSION}/config-${_${_PYTHON_PREFIX}_VERSION}u
@@ -546,7 +552,7 @@ if ("Development" IN_LIST ${_PYTHON_PREFIX}_FIND_COMPONENTS
lib/python${_${_PYTHON_PREFIX}_VERSION}/config)
# retrieve runtime library
if (${_PYTHON_PREFIX}_LIBRARY_RELEASE)
get_filename_component (_${_PYTHON_PREFIX}_PATH "${${_PYTHON_PREFIX}_LIBRARY_RELEASE}" DIRECTORY)
get_filename_component (_${_PYTHON_PREFIX}_PATH "${${_PYTHON_PREFIX}_LIBRARY_RELEASE}" DIRECTORY)
_python_find_runtime_library (${_PYTHON_PREFIX}_RUNTIME_LIBRARY_RELEASE
NAMES python${_${_PYTHON_PREFIX}_VERSION_NO_DOTS}
python${_${_PYTHON_PREFIX}_VERSION}mu
@@ -585,7 +591,7 @@ if ("Development" IN_LIST ${_PYTHON_PREFIX}_FIND_COMPONENTS
PATH_SUFFIXES lib libs)
endif()
if (${_PYTHON_PREFIX}_LIBRARY_DEBUG)
get_filename_component (_${_PYTHON_PREFIX}_PATH "${${_PYTHON_PREFIX}_LIBRARY_DEBUG}" DIRECTORY)
get_filename_component (_${_PYTHON_PREFIX}_PATH "${${_PYTHON_PREFIX}_LIBRARY_DEBUG}" DIRECTORY)
_python_find_runtime_library (${_PYTHON_PREFIX}_RUNTIME_LIBRARY_DEBUG
NAMES python${_${_PYTHON_PREFIX}_VERSION_NO_DOTS}_d
NAMES_PER_DIR
@@ -608,6 +614,8 @@ if ("Development" IN_LIST ${_PYTHON_PREFIX}_FIND_COMPONENTS
list (APPEND _${_PYTHON_PREFIX}_INCLUDE_HINTS "${CMAKE_MATCH_1}")
elseif (${_${_PYTHON_PREFIX}_LIB} MATCHES "^(.+)/lib(64|32)?/python[0-9.]+/config")
list (APPEND _${_PYTHON_PREFIX}_INCLUDE_HINTS "${CMAKE_MATCH_1}")
elseif (DEFINED CMAKE_LIBRARY_ARCHITECTURE AND ${_${_PYTHON_PREFIX}_LIB} MATCHES "^(.+)/lib/${CMAKE_LIBRARY_ARCHITECTURE}")
list (APPEND _${_PYTHON_PREFIX}_INCLUDE_HINTS "${CMAKE_MATCH_1}")
else()
# assume library is in a directory under root
get_filename_component (_${_PYTHON_PREFIX}_PREFIX "${${_${_PYTHON_PREFIX}_LIB}}" DIRECTORY)