diff options
Diffstat (limited to 'tools/FindPythonLibsNew.cmake')
| -rw-r--r-- | tools/FindPythonLibsNew.cmake | 66 |
1 files changed, 48 insertions, 18 deletions
diff --git a/tools/FindPythonLibsNew.cmake b/tools/FindPythonLibsNew.cmake index 3605aebc..ce558d4e 100644 --- a/tools/FindPythonLibsNew.cmake +++ b/tools/FindPythonLibsNew.cmake @@ -92,7 +92,7 @@ endif() # Use the Python interpreter to find the libs. if(NOT PythonLibsNew_FIND_VERSION) - set(PythonLibsNew_FIND_VERSION "") + set(PythonLibsNew_FIND_VERSION "3.6") endif() find_package(PythonInterp ${PythonLibsNew_FIND_VERSION} ${_pythonlibs_required} @@ -112,12 +112,26 @@ endif() # VERSION. VERSION will typically be like "2.7" on unix, and "27" on windows. execute_process( COMMAND - "${PYTHON_EXECUTABLE}" "-c" "from distutils import sysconfig as s;import sys;import struct; + "${PYTHON_EXECUTABLE}" "-c" " +import sys;import struct; +import sysconfig as s +USE_SYSCONFIG = sys.version_info >= (3, 10) +if not USE_SYSCONFIG: + from distutils import sysconfig as ds print('.'.join(str(v) for v in sys.version_info)); print(sys.prefix); -print(s.get_python_inc(plat_specific=True)); -print(s.get_python_lib(plat_specific=True)); -print(s.get_config_var('EXT_SUFFIX') or s.get_config_var('SO')); +if USE_SYSCONFIG: + scheme = s.get_default_scheme() + if scheme == 'posix_local': + # Debian's default scheme installs to /usr/local/ but we want to find headers in /usr/ + scheme = 'posix_prefix' + print(s.get_path('platinclude', scheme)) + print(s.get_path('platlib')) + print(s.get_config_var('EXT_SUFFIX') or s.get_config_var('SO')) +else: + print(ds.get_python_inc(plat_specific=True)); + print(ds.get_python_lib(plat_specific=True)); + print(ds.get_config_var('EXT_SUFFIX') or ds.get_config_var('SO')); print(hasattr(sys, 'gettotalrefcount')+0); print(struct.calcsize('@P')); print(s.get_config_var('LDVERSION') or s.get_config_var('VERSION')); @@ -137,26 +151,40 @@ if(NOT _PYTHON_SUCCESS MATCHES 0) return() endif() +option( + PYBIND11_PYTHONLIBS_OVERWRITE + "Overwrite cached values read from Python library (classic search). Turn off if cross-compiling and manually setting these values." + ON) +# Can manually set values when cross-compiling +macro(_PYBIND11_GET_IF_UNDEF lst index name) + if(PYBIND11_PYTHONLIBS_OVERWRITE OR NOT DEFINED "${name}") + list(GET "${lst}" "${index}" "${name}") + endif() +endmacro() + # Convert the process output into a list if(WIN32) string(REGEX REPLACE "\\\\" "/" _PYTHON_VALUES ${_PYTHON_VALUES}) endif() string(REGEX REPLACE ";" "\\\\;" _PYTHON_VALUES ${_PYTHON_VALUES}) string(REGEX REPLACE "\n" ";" _PYTHON_VALUES ${_PYTHON_VALUES}) -list(GET _PYTHON_VALUES 0 _PYTHON_VERSION_LIST) -list(GET _PYTHON_VALUES 1 PYTHON_PREFIX) -list(GET _PYTHON_VALUES 2 PYTHON_INCLUDE_DIR) -list(GET _PYTHON_VALUES 3 PYTHON_SITE_PACKAGES) -list(GET _PYTHON_VALUES 4 PYTHON_MODULE_EXTENSION) -list(GET _PYTHON_VALUES 5 PYTHON_IS_DEBUG) -list(GET _PYTHON_VALUES 6 PYTHON_SIZEOF_VOID_P) -list(GET _PYTHON_VALUES 7 PYTHON_LIBRARY_SUFFIX) -list(GET _PYTHON_VALUES 8 PYTHON_LIBDIR) -list(GET _PYTHON_VALUES 9 PYTHON_MULTIARCH) +_pybind11_get_if_undef(_PYTHON_VALUES 0 _PYTHON_VERSION_LIST) +_pybind11_get_if_undef(_PYTHON_VALUES 1 PYTHON_PREFIX) +_pybind11_get_if_undef(_PYTHON_VALUES 2 PYTHON_INCLUDE_DIR) +_pybind11_get_if_undef(_PYTHON_VALUES 3 PYTHON_SITE_PACKAGES) +_pybind11_get_if_undef(_PYTHON_VALUES 4 PYTHON_MODULE_EXTENSION) +_pybind11_get_if_undef(_PYTHON_VALUES 5 PYTHON_IS_DEBUG) +_pybind11_get_if_undef(_PYTHON_VALUES 6 PYTHON_SIZEOF_VOID_P) +_pybind11_get_if_undef(_PYTHON_VALUES 7 PYTHON_LIBRARY_SUFFIX) +_pybind11_get_if_undef(_PYTHON_VALUES 8 PYTHON_LIBDIR) +_pybind11_get_if_undef(_PYTHON_VALUES 9 PYTHON_MULTIARCH) # Make sure the Python has the same pointer-size as the chosen compiler # Skip if CMAKE_SIZEOF_VOID_P is not defined -if(CMAKE_SIZEOF_VOID_P AND (NOT "${PYTHON_SIZEOF_VOID_P}" STREQUAL "${CMAKE_SIZEOF_VOID_P}")) +# This should be skipped for (non-Apple) cross-compiles (like EMSCRIPTEN) +if(NOT CMAKE_CROSSCOMPILING + AND CMAKE_SIZEOF_VOID_P + AND (NOT "${PYTHON_SIZEOF_VOID_P}" STREQUAL "${CMAKE_SIZEOF_VOID_P}")) if(PythonLibsNew_FIND_REQUIRED) math(EXPR _PYTHON_BITS "${PYTHON_SIZEOF_VOID_P} * 8") math(EXPR _CMAKE_BITS "${CMAKE_SIZEOF_VOID_P} * 8") @@ -180,7 +208,9 @@ string(REGEX REPLACE "\\\\" "/" PYTHON_PREFIX "${PYTHON_PREFIX}") string(REGEX REPLACE "\\\\" "/" PYTHON_INCLUDE_DIR "${PYTHON_INCLUDE_DIR}") string(REGEX REPLACE "\\\\" "/" PYTHON_SITE_PACKAGES "${PYTHON_SITE_PACKAGES}") -if(CMAKE_HOST_WIN32) +if(DEFINED PYTHON_LIBRARY) + # Don't write to PYTHON_LIBRARY if it's already set +elseif(CMAKE_HOST_WIN32) set(PYTHON_LIBRARY "${PYTHON_PREFIX}/libs/python${PYTHON_LIBRARY_SUFFIX}.lib") # when run in a venv, PYTHON_PREFIX points to it. But the libraries remain in the @@ -246,7 +276,7 @@ if(NOT PYTHON_DEBUG_LIBRARY) endif() set(PYTHON_DEBUG_LIBRARIES "${PYTHON_DEBUG_LIBRARY}") -find_package_message(PYTHON "Found PythonLibs: ${PYTHON_LIBRARY}" +find_package_message(PYTHON "Found PythonLibs: ${PYTHON_LIBRARIES}" "${PYTHON_EXECUTABLE}${PYTHON_VERSION_STRING}") set(PYTHONLIBS_FOUND TRUE) |