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CMAKE_MINIMUM_REQUIRED(VERSION 2.8.12)
if (WIN32 AND NOT "${CMAKE_GENERATOR}" MATCHES "Visual Studio")
message(FATAL_ERROR "\n"
"!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!\n"
"You must use Visual Studio to build a python extension on windows. If you "
"are getting this error it means you have not installed Visual C++. Note that "
"there are many flavors of Visual Studio, like Visual Studio for C\# development. "
"You need to install Visual Studio for C++. \n"
"!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!\n")
endif()
project(dlib_python_bindings)
# Pybind11's cmake scripts enable link time optimization by default. However,
# it makes linking take a really long time and doesn't seem to substantively
# improve runtime performance. So we disable LTO here to make building dlib
# faster.
set(PYBIND11_LTO_CXX_FLAGS "")
# Avoid cmake warnings about changes in behavior of some Mac OS X path
# variable we don't care about.
if (POLICY CMP0042)
cmake_policy(SET CMP0042 NEW)
endif()
# To avoid dll hell, always link everything statically when compiling in
# visual studio. This way, the resulting library won't depend on a bunch
# of other dll files and can be safely copied to someone else's computer
# and expected to run.
if (MSVC)
include(${CMAKE_CURRENT_LIST_DIR}/../../dlib/cmake_utils/tell_visual_studio_to_use_static_runtime.cmake)
endif()
add_subdirectory(../../dlib/external/pybind11 pybind11_build)
add_subdirectory(../../dlib dlib_build)
if (USING_OLD_VISUAL_STUDIO_COMPILER)
message(FATAL_ERROR "You have to use a version of Visual Studio that supports C++11. As of December 2017, the only versions that have good enough C++11 support to compile the dlib Python API is a fully updated Visual Studio 2015 or a fully updated Visual Studio 2017. Older versions of either of these compilers have bad C++11 support and will fail to compile the Python extension. ***SO UPDATE YOUR VISUAL STUDIO TO MAKE THIS ERROR GO AWAY***")
endif()
add_definitions(-DDLIB_VERSION=${DLIB_VERSION})
# Tell cmake to compile all these cpp files into a dlib python module.
set(python_srcs
src/dlib.cpp
src/matrix.cpp
src/vector.cpp
src/svm_c_trainer.cpp
src/svm_rank_trainer.cpp
src/decision_functions.cpp
src/other.cpp
src/basic.cpp
src/cca.cpp
src/sequence_segmenter.cpp
src/svm_struct.cpp
src/image.cpp
src/image2.cpp
src/image3.cpp
src/image4.cpp
src/rectangles.cpp
src/object_detection.cpp
src/shape_predictor.cpp
src/correlation_tracker.cpp
src/face_recognition.cpp
src/cnn_face_detector.cpp
src/global_optimization.cpp
src/image_dataset_metadata.cpp
src/numpy_returns.cpp
src/line.cpp
)
# Only add the GUI module if requested
if(NOT ${DLIB_NO_GUI_SUPPORT})
list(APPEND python_srcs src/gui.cpp)
endif()
pybind11_add_module(_dlib_pybind11 ${python_srcs})
target_link_libraries(_dlib_pybind11 PRIVATE dlib::dlib)
configure_file(${PROJECT_SOURCE_DIR}/dlib/__init__.py.in ${CMAKE_LIBRARY_OUTPUT_DIRECTORY}/dlib/__init__.py)
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