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FindPython: enhance ABI checks against include directory

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Fixes: #21149
This commit is contained in:
Marc Chevrier
2020-09-02 15:41:16 +02:00
parent 7da3c744e3
commit 6fdfe2428d
1 changed files with 18 additions and 8 deletions
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26
Modules/FindPython/Support.cmake
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@@ -607,14 +607,24 @@ function (_PYTHON_GET_VERSION)
# ABI not used on Windows
set (abi "")
else()
if (config MATCHES "#[ ]*define[ ]+Py_DEBUG[ ]+1")
string (APPEND abi "d")
endif()
if (config MATCHES "#[ ]*define[ ]+WITH_PYMALLOC[ ]+1")
string (APPEND abi "m")
endif()
if (config MATCHES "#[ ]*define[ ]+Py_UNICODE_SIZE[ ]+4")
string (APPEND abi "u")
if (NOT config)
# pyconfig.h can be a wrapper to a platform specific pyconfig.h
# In this case, try to identify ABI from include directory
if (_${_PYTHON_PREFIX}_INCLUDE_DIR MATCHES "python${version_major}\.${version_minor}+([dmu]*)")
set (abi "${CMAKE_MATCH_1}")
else()
set (abi "")
endif()
else()
if (config MATCHES "#[ ]*define[ ]+Py_DEBUG[ ]+1")
string (APPEND abi "d")
endif()
if (config MATCHES "#[ ]*define[ ]+WITH_PYMALLOC[ ]+1")
string (APPEND abi "m")
endif()
if (config MATCHES "#[ ]*define[ ]+Py_UNICODE_SIZE[ ]+4")
string (APPEND abi "u")
endif()
endif()
set (${_PGV_PREFIX}ABI "${abi}" PARENT_SCOPE)
endif()