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cmake: robustified search for python

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This commit is contained in:
Wenzel Jakob 2016-01-17 22:36:34 +01:00
parent 3faa3879c6
commit caa9d44cc7
2 changed files with 21 additions and 7 deletions
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17
CMakeLists.txt
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@ -14,6 +14,8 @@ option(PYBIND11_INSTALL "Install pybind11 header files?" ON)
# Add a CMake parameter for choosing a desired Python version # Add a CMake parameter for choosing a desired Python version
set(PYBIND11_PYTHON_VERSION "" CACHE STRING "Python version to use for compiling the example application") set(PYBIND11_PYTHON_VERSION "" CACHE STRING "Python version to use for compiling the example application")
include(CheckCXXCompilerFlag)
# Set a default build configuration if none is specified. 'MinSizeRel' produces the smallest binaries # Set a default build configuration if none is specified. 'MinSizeRel' produces the smallest binaries
if(NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES) if(NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES)
message(STATUS "Setting build type to 'MinSizeRel' as none was specified.") message(STATUS "Setting build type to 'MinSizeRel' as none was specified.")
@ -23,11 +25,16 @@ if(NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES)
endif() endif()
string(TOUPPER "${CMAKE_BUILD_TYPE}" U_CMAKE_BUILD_TYPE) string(TOUPPER "${CMAKE_BUILD_TYPE}" U_CMAKE_BUILD_TYPE)
set(Python_ADDITIONAL_VERSIONS 3.4 3.5 3.6) set(Python_ADDITIONAL_VERSIONS 3.4 3.5 3.6 3.7)
find_package(PythonLibs ${PYBIND11_PYTHON_VERSION} REQUIRED) if (NOT ${PYBIND11_PYTHON_VERSION} STREQUAL "")
find_package(PythonInterp ${PYBIND11_PYTHON_VERSION} REQUIRED) find_package(PythonLibs ${PYBIND11_PYTHON_VERSION} EXACT)
if (NOT PythonLibs_FOUND)
include(CheckCXXCompilerFlag) find_package(PythonLibs ${PYBIND11_PYTHON_VERSION} REQUIRED)
endif()
else()
find_package(PythonLibs REQUIRED)
endif()
find_package(PythonInterp ${PYTHONLIBS_VERSION_STRING} EXACT REQUIRED)
if (CMAKE_CXX_COMPILER_ID MATCHES "Clang" OR CMAKE_CXX_COMPILER_ID MATCHES "GNU") if (CMAKE_CXX_COMPILER_ID MATCHES "Clang" OR CMAKE_CXX_COMPILER_ID MATCHES "GNU")
# Enable C++11 mode on C++ / Clang # Enable C++11 mode on C++ / Clang

11
docs/cmake.rst
View File

@ -28,8 +28,15 @@ and that the pybind11 repository is located in a subdirectory named :file:`pybin
string(TOUPPER "${CMAKE_BUILD_TYPE}" U_CMAKE_BUILD_TYPE) string(TOUPPER "${CMAKE_BUILD_TYPE}" U_CMAKE_BUILD_TYPE)
# Try to autodetect Python (can be overridden manually if needed) # Try to autodetect Python (can be overridden manually if needed)
set(Python_ADDITIONAL_VERSIONS 3.4 3.5 3.6) set(Python_ADDITIONAL_VERSIONS 3.4 3.5 3.6 3.7)
find_package(PythonLibs ${EXAMPLE_PYTHON_VERSION} REQUIRED) if (NOT ${PYBIND11_PYTHON_VERSION} STREQUAL "")
find_package(PythonLibs ${PYBIND11_PYTHON_VERSION} EXACT REQUIRED)
else()
find_package(PythonLibs REQUIRED)
endif()
# Uncomment the following line if you will also require a matching Python interpreter
# find_package(PythonInterp ${PYTHONLIBS_VERSION_STRING} EXACT REQUIRED)
if (CMAKE_CXX_COMPILER_ID MATCHES "Clang" OR CMAKE_CXX_COMPILER_ID MATCHES "GNU") if (CMAKE_CXX_COMPILER_ID MATCHES "Clang" OR CMAKE_CXX_COMPILER_ID MATCHES "GNU")
# Enable C++11 mode on C++ / Clang # Enable C++11 mode on C++ / Clang