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CMAKE_MINIMUM_REQUIRED(VERSION 2.8.12)
set(USE_SSE4_INSTRUCTIONS ON CACHE BOOL "Use SSE4 instructions")
# Make DLIB_ASSERT statements not abort the python interpreter, but just return an error.
add_definitions(-DDLIB_NO_ABORT_ON_2ND_FATAL_ERROR)
# Set this to disable link time optimization. The only reason for
# doing this to make the compile faster which is nice when developing
# new modules.
#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()
if (CMAKE_COMPILER_IS_GNUCXX)
# Just setting CMAKE_POSITION_INDEPENDENT_CODE should be enough to set
# -fPIC for GCC but sometimes it still doesn't get set, so make sure it
# does.
add_definitions("-fPIC")
set(CMAKE_POSITION_INDEPENDENT_CODE True)
else()
set(CMAKE_POSITION_INDEPENDENT_CODE True)
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 elese'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 Pyhton 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()
# Test for numpy
find_package(PythonInterp)
if(PYTHONINTERP_FOUND)
execute_process( COMMAND ${PYTHON_EXECUTABLE} -c "import numpy" OUTPUT_QUIET ERROR_QUIET RESULT_VARIABLE NUMPYRC)
if(NUMPYRC EQUAL 1)
message(WARNING "Numpy not found. Functions that return numpy arrays will throw exceptions!")
else()
message(STATUS "Found Python with installed numpy package")
execute_process( COMMAND ${PYTHON_EXECUTABLE} -c "import sys; from numpy import get_include; sys.stdout.write(get_include())" OUTPUT_VARIABLE NUMPY_INCLUDE_PATH)
message(STATUS "Numpy include path '${NUMPY_INCLUDE_PATH}'")
include_directories(${NUMPY_INCLUDE_PATH})
endif()
else()
message(WARNING "Numpy not found. Functions that return numpy arrays will throw exceptions!")
set(NUMPYRC 1)
endif()
add_definitions(-DDLIB_VERSION=${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/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
)
# Only add the Numpy returning functions if Numpy is present
if(NUMPYRC EQUAL 1)
list(APPEND python_srcs src/numpy_returns_stub.cpp)
else()
list(APPEND python_srcs src/numpy_returns.cpp)
endif()
# 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_python ${python_srcs})
target_link_libraries(dlib_python PRIVATE dlib::dlib)
# Set the output library name to dlib because that's what setup.py and distutils expects.
set_target_properties(dlib_python PROPERTIES OUTPUT_NAME dlib)
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