pybind11/CMakeLists.txt
2015-10-01 17:34:26 +02:00

119 lines
4.2 KiB
CMake

# CMakeLists.txt -- Build system for the pybind11 examples
#
# Copyright (c) 2015 Wenzel Jakob <wenzel@inf.ethz.ch>
#
# All rights reserved. Use of this source code is governed by a
# BSD-style license that can be found in the LICENSE file.
cmake_minimum_required(VERSION 2.8)
project(pybind)
if(NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES)
message(STATUS "Setting build type to 'MinSizeRel' as none was specified.")
set(CMAKE_BUILD_TYPE MinSizeRel CACHE STRING "Choose the type of build." FORCE)
set_property(CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS "Debug" "Release"
"MinSizeRel" "RelWithDebInfo")
endif()
set(Python_ADDITIONAL_VERSIONS 3.4 3.5 3.6)
find_package(PythonLibs REQUIRED)
find_package(PythonInterp REQUIRED)
string(TOUPPER "${CMAKE_BUILD_TYPE}" U_CMAKE_BUILD_TYPE)
if (UNIX)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
if (NOT ${U_CMAKE_BUILD_TYPE} MATCHES DEBUG)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fvisibility=hidden -flto")
endif()
endif()
# Compile with compiler warnings turned on
if(MSVC)
if(CMAKE_CXX_FLAGS MATCHES "/W[0-4]")
string(REGEX REPLACE "/W[0-4]" "/W4" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
else()
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /W4")
endif()
else()
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wextra")
endif()
include_directories(${PYTHON_INCLUDE_DIR} include)
add_library(example SHARED
include/pybind/cast.h
include/pybind/common.h
include/pybind/operators.h
include/pybind/pybind.h
include/pybind/pytypes.h
include/pybind/typeid.h
include/pybind/numpy.h
example/example.cpp
example/example1.cpp
example/example2.cpp
example/example3.cpp
example/example4.cpp
example/example5.cpp
example/example6.cpp
example/example7.cpp
example/example8.cpp
example/example9.cpp
example/example10.cpp
example/example11.cpp
example/example12.cpp
)
set_target_properties(example PROPERTIES PREFIX "")
set_target_properties(example PROPERTIES LIBRARY_OUTPUT_DIRECTORY ${PROJECT_SOURCE_DIR}/example)
if (WIN32)
if (MSVC)
# Enforce size-based optimization and link time code generation on MSVC (~30% smaller binaries in experiments)
# /bigobj is needed for bigger binding projects due to the limit to 64k addressable sections
# /MP enables multithreaded builds
set_target_properties(example PROPERTIES COMPILE_FLAGS "/Os /GL /MP /bigobj")
set_target_properties(example PROPERTIES LINK_FLAGS "/LTCG")
endif()
# .PYD file extension on Windows
set_target_properties(example PROPERTIES SUFFIX ".pyd")
# Link against the Python shared library
target_link_libraries(example ${PYTHON_LIBRARY})
elseif (UNIX)
# It's quite common to have multiple copies of the same Python version
# installed on one's system. E.g.: one copy from the OS and another copy
# that's statically linked into an application like Blender or Maya.
# If we link our plugin library against the OS Python here and import it
# into Blender or Maya later on, this will cause segfaults when multiple
# conflicting Python instances are active at the same time.
# Windows does not seem to be affected by this issue. The solution for Linux
# and Mac OS is simple: we just don't link against the Python library. The
# resulting shared library will have missing symbols, but that's perfectly
# fine -- they will be resolved at import time.
# .SO file extension on Linux/Mac OS
set_target_properties(example PROPERTIES SUFFIX ".so")
# Strip unnecessary sections of the binary on Linux/Mac OS
if(APPLE)
set_target_properties(example PROPERTIES MACOSX_RPATH ".")
set_target_properties(example PROPERTIES LINK_FLAGS "-undefined dynamic_lookup -dead_strip")
if (NOT ${U_CMAKE_BUILD_TYPE} MATCHES DEBUG)
add_custom_command(TARGET example POST_BUILD COMMAND strip -u -r ${PROJECT_SOURCE_DIR}/example/example.so)
endif()
else()
if (NOT ${U_CMAKE_BUILD_TYPE} MATCHES DEBUG)
add_custom_command(TARGET example POST_BUILD COMMAND strip ${PROJECT_SOURCE_DIR}/example/example.so)
endif()
endif()
endif()
enable_testing()
set(RUN_TEST ${PYTHON_EXECUTABLE} ${CMAKE_CURRENT_SOURCE_DIR}/example/run_test.py)
foreach(i RANGE 1 12)
add_test(NAME example${i} COMMAND ${RUN_TEST} example${i})
endforeach()