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CMake improvement: support windows python on msys (#2312)

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- look for windows python lib when using mingw & msys
  - if not found, then look for system python lib as before
This commit is contained in:
Liam Keegan 2020-07-21 19:17:22 +02:00 committed by GitHub
parent d8c7ee00a6
commit c4fd1fd987
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 15 additions and 1 deletions
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16
tools/FindPythonLibsNew.cmake
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@ -147,7 +147,7 @@ string(REGEX REPLACE "\\\\" "/" PYTHON_PREFIX "${PYTHON_PREFIX}")
string(REGEX REPLACE "\\\\" "/" PYTHON_INCLUDE_DIR "${PYTHON_INCLUDE_DIR}")
string(REGEX REPLACE "\\\\" "/" PYTHON_SITE_PACKAGES "${PYTHON_SITE_PACKAGES}")
if(CMAKE_HOST_WIN32 AND NOT (MINGW AND DEFINED ENV{MSYSTEM}))
if(CMAKE_HOST_WIN32)
set(PYTHON_LIBRARY
"${PYTHON_PREFIX}/libs/python${PYTHON_LIBRARY_SUFFIX}.lib")
@ -159,6 +159,20 @@ if(CMAKE_HOST_WIN32 AND NOT (MINGW AND DEFINED ENV{MSYSTEM}))
"${_PYTHON_ROOT}/libs/python${PYTHON_LIBRARY_SUFFIX}.lib")
endif()
# if we are in MSYS & MINGW, and we didn't find windows python lib, look for system python lib
if(DEFINED ENV{MSYSTEM} AND MINGW AND NOT EXISTS "${PYTHON_LIBRARY}")
if(PYTHON_MULTIARCH)
set(_PYTHON_LIBS_SEARCH "${PYTHON_LIBDIR}/${PYTHON_MULTIARCH}" "${PYTHON_LIBDIR}")
else()
set(_PYTHON_LIBS_SEARCH "${PYTHON_LIBDIR}")
endif()
unset(PYTHON_LIBRARY)
find_library(PYTHON_LIBRARY
NAMES "python${PYTHON_LIBRARY_SUFFIX}"
PATHS ${_PYTHON_LIBS_SEARCH}
NO_DEFAULT_PATH)
endif()
# raise an error if the python libs are still not found.
if(NOT EXISTS "${PYTHON_LIBRARY}")
message(FATAL_ERROR "Python libraries not found")