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# For very old ports whose upstream do not properly set the minimum CMake version.
cmake_policy(SET CMP0012 NEW)
cmake_policy(SET CMP0057 NEW)
# This prevents the port's python.exe from overriding the Python fetched by
# vcpkg_find_acquire_program(PYTHON3) and prevents the vcpkg toolchain from
# stomping on FindPython's default functionality.
list(REMOVE_ITEM CMAKE_PROGRAM_PATH "${_VCPKG_INSTALLED_DIR}/${VCPKG_TARGET_TRIPLET}/tools/python3")
if(@PythonFinder_NO_OVERRIDE@)
_find_package(${ARGS})
return()
endif()
# CMake 4.0+ introduced Python_ARTIFACTS_PREFIX to add a suffix (yes, a suffix)
# to the results of find_package(Python), so we need to handle that here.
set(_PythonFinder_PREFIX "@PythonFinder_PREFIX@")
if(@PythonFinder_SUPPORTS_ARTIFACTS_PREFIX@ AND CMAKE_VERSION VERSION_GREATER_EQUAL 4.0)
string(APPEND _PythonFinder_PREFIX "${@PythonFinder_PREFIX@_ARTIFACTS_PREFIX}")
endif()
# CMake's FindPython's separation of concerns is very muddy. We only want to force vcpkg's Python
# if the consumer is using the development component. What we don't want to do is break detection
# of the system Python, which may have certain packages the user expects. But - if the user is
# embedding Python or using both the development and interpreter components, then we need the
# interpreter matching vcpkg's Python libraries. Note that the "Development" component implies
# both "Development.Module" and "Development.Embed".
# The android toolchain links with --no-undefined. So modules must be linked with Python libs.
if("Development" IN_LIST ARGS OR "Development.Embed" IN_LIST ARGS)
set(_PythonFinder_WantInterp TRUE)
set(_PythonFinder_WantLibs TRUE)
elseif("Development.Module" IN_LIST ARGS OR "Development.SABIModule" IN_LIST ARGS)
if("Interpreter" IN_LIST ARGS)
set(_PythonFinder_WantInterp TRUE)
endif()
set(_PythonFinder_WantLibs TRUE)
if(ANDROID)
list(APPEND ARGS COMPONENTS Development.Embed)
endif()
endif()
if(_PythonFinder_WantLibs)
find_path(
_${_PythonFinder_PREFIX}_INCLUDE_DIR
NAMES "Python.h"
PATHS "${_VCPKG_INSTALLED_DIR}/${VCPKG_TARGET_TRIPLET}/include"
PATH_SUFFIXES "python@PYTHON_VERSION_MAJOR@.@PYTHON_VERSION_MINOR@"
NO_DEFAULT_PATH
)
# Don't set the public facing hint or the finder will be unable to detect the debug library.
# Internally, it uses the same value with an underscore prepended.
find_library(
_${_PythonFinder_PREFIX}_LIBRARY_RELEASE
NAMES
"python@PYTHON_VERSION_MAJOR@@PYTHON_VERSION_MINOR@"
"python@PYTHON_VERSION_MAJOR@.@PYTHON_VERSION_MINOR@"
PATHS "${_VCPKG_INSTALLED_DIR}/${VCPKG_TARGET_TRIPLET}/lib"
NO_DEFAULT_PATH
)
find_library(
_${_PythonFinder_PREFIX}_LIBRARY_DEBUG
NAMES
"python@PYTHON_VERSION_MAJOR@@PYTHON_VERSION_MINOR@_d"
"python@PYTHON_VERSION_MAJOR@.@PYTHON_VERSION_MINOR@d"
PATHS "${_VCPKG_INSTALLED_DIR}/${VCPKG_TARGET_TRIPLET}/debug/lib"
NO_DEFAULT_PATH
)
if(_PythonFinder_WantInterp)
find_program(
${_PythonFinder_PREFIX}_EXECUTABLE
NAMES "python" "python@PYTHON_VERSION_MAJOR@.@PYTHON_VERSION_MINOR@"
PATHS "${_VCPKG_INSTALLED_DIR}/${VCPKG_TARGET_TRIPLET}/tools/python3"
NO_DEFAULT_PATH
)
endif()
# These are duplicated as normal variables to nullify FindPython's checksum verifications.
set(_${_PythonFinder_PREFIX}_INCLUDE_DIR "${_${_PythonFinder_PREFIX}_INCLUDE_DIR}")
set(_${_PythonFinder_PREFIX}_LIBRARY_RELEASE "${_${_PythonFinder_PREFIX}_LIBRARY_RELEASE}")
set(_${_PythonFinder_PREFIX}_LIBRARY_DEBUG "${_${_PythonFinder_PREFIX}_LIBRARY_DEBUG}")
_find_package(${ARGS})
get_directory_property(_${_PythonFinder_PREFIX}_IMPORTED_TARGETS IMPORTED_TARGETS)
if(ANDROID AND ${_PythonFinder_PREFIX}::Module IN_LIST _${_PythonFinder_PREFIX}_IMPORTED_TARGETS)
set_property(TARGET ${_PythonFinder_PREFIX}::Module APPEND PROPERTY INTERFACE_LINK_LIBRARIES $<LINK_ONLY:${_PythonFinder_PREFIX}::Python>)
endif()
unset(_${_PythonFinder_PREFIX}_IMPORTED_TARGETS)
if(@VCPKG_LIBRARY_LINKAGE@ STREQUAL "static")
# Python for Windows embeds the zlib module into the core, so we have to link against it.
# This is a separate extension module on Unix-like platforms.
if(WIN32)
find_package(ZLIB)
if(TARGET ${_PythonFinder_PREFIX}::Python)
set_property(TARGET ${_PythonFinder_PREFIX}::Python APPEND PROPERTY INTERFACE_LINK_LIBRARIES ZLIB::ZLIB)
endif()
if(TARGET ${_PythonFinder_PREFIX}::Module)
set_property(TARGET ${_PythonFinder_PREFIX}::Module APPEND PROPERTY INTERFACE_LINK_LIBRARIES ZLIB::ZLIB)
endif()
if(DEFINED ${_PythonFinder_PREFIX}_LIBRARIES)
list(APPEND ${_PythonFinder_PREFIX}_LIBRARIES ${ZLIB_LIBRARIES})
endif()
endif()
if(UNIX AND NOT APPLE)
if(TARGET ${_PythonFinder_PREFIX}::Python)
set_property(TARGET ${_PythonFinder_PREFIX}::Python APPEND PROPERTY INTERFACE_LINK_LIBRARIES m)
endif()
if(TARGET ${_PythonFinder_PREFIX}::Module)
set_property(TARGET ${_PythonFinder_PREFIX}::Module APPEND PROPERTY INTERFACE_LINK_LIBRARIES m)
endif()
if(DEFINED ${_PythonFinder_PREFIX}_LIBRARIES)
list(APPEND ${_PythonFinder_PREFIX}_LIBRARIES m)
endif()
endif()
if(APPLE)
find_package(Iconv)
find_package(Intl)
if(TARGET ${_PythonFinder_PREFIX}::Python)
get_target_property(_PYTHON_INTERFACE_LIBS ${_PythonFinder_PREFIX}::Python INTERFACE_LINK_LIBRARIES)
if(NOT _PYTHON_INTERFACE_LIBS)
set(_PYTHON_INTERFACE_LIBS "")
endif()
list(REMOVE_ITEM _PYTHON_INTERFACE_LIBS "-liconv" "-lintl")
list(APPEND _PYTHON_INTERFACE_LIBS
Iconv::Iconv
"$<IF:$<CONFIG:Debug>,${Intl_LIBRARY_DEBUG},${Intl_LIBRARY_RELEASE}>"
)
set_property(TARGET ${_PythonFinder_PREFIX}::Python PROPERTY INTERFACE_LINK_LIBRARIES ${_PYTHON_INTERFACE_LIBS})
unset(_PYTHON_INTERFACE_LIBS)
endif()
if(TARGET ${_PythonFinder_PREFIX}::Module)
get_target_property(_PYTHON_INTERFACE_LIBS ${_PythonFinder_PREFIX}::Module INTERFACE_LINK_LIBRARIES)
if(NOT _PYTHON_INTERFACE_LIBS)
set(_PYTHON_INTERFACE_LIBS "")
endif()
list(REMOVE_ITEM _PYTHON_INTERFACE_LIBS "-liconv" "-lintl")
list(APPEND _PYTHON_INTERFACE_LIBS
Iconv::Iconv
"$<IF:$<CONFIG:Debug>,${Intl_LIBRARY_DEBUG},${Intl_LIBRARY_RELEASE}>"
)
set_property(TARGET ${_PythonFinder_PREFIX}::Module PROPERTY INTERFACE_LINK_LIBRARIES ${_PYTHON_INTERFACE_LIBS})
unset(_PYTHON_INTERFACE_LIBS)
endif()
if(DEFINED ${_PythonFinder_PREFIX}_LIBRARIES)
list(APPEND ${_PythonFinder_PREFIX}_LIBRARIES "-framework CoreFoundation" ${Iconv_LIBRARIES} ${Intl_LIBRARIES})
endif()
endif()
endif()
else()
_find_package(${ARGS})
endif()
if(TARGET ${_PythonFinder_PREFIX}::Python)
target_compile_definitions(${_PythonFinder_PREFIX}::Python INTERFACE "Py_NO_LINK_LIB")
endif()
if(TARGET ${_PythonFinder_PREFIX}::Module)
target_compile_definitions(${_PythonFinder_PREFIX}::Module INTERFACE "Py_NO_LINK_LIB")
endif()
if(TARGET ${_PythonFinder_PREFIX}::SABIModule)
target_compile_definitions(${_PythonFinder_PREFIX}::SABIModule INTERFACE "Py_NO_LINK_LIB")
endif()
unset(_PythonFinder_PREFIX)
unset(_PythonFinder_WantInterp)
unset(_PythonFinder_WantLibs)
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