当我们使用到dlib的dnn做人脸识别时，使用vs2015编译代码的效率太低，每次重新编译都会花费很长的时间，且对于使用MFC设计UI无感，因此将使用QT5.8使用dlib-19.4和OpenCV2.4.9，记录下使用CMake编译库的命令。

1.使用Qt5.8的MingW-32编译器

g++的版本是5.3.0，支持c++11语法（这点需要注意，老版本可能不支持c++11，导致编译失败）。

2.mingw32编译dlib-19.4

2.1 CMake命令：

使用的CMake版本是：CMake3.9.0

2.2 Make命令

         

2.3 qt使用dlib-19.4的配置

QT += core

QT -= gui

 

CONFIG += c++11

 

TARGET = opencv_dlib_qt

CONFIG += console

CONFIG -= app_bundle

 

TEMPLATE = app

 

SOURCES += main.cpp \

    DNNFaceRecognition.cpp \

    cfaceclassthread.cpp

 

# The following define makes your compiler emit warnings if you use

# any feature of Qt which as been marked deprecated (the exact warnings

# depend on your compiler). Please consult the documentation of the

# deprecated API in order to know how to port your code away from it.

DEFINES += QT_DEPRECATED_WARNINGS

 

# You can also make your code fail to compile if you use deprecated APIs.

# In order to do so, uncomment the following line.

# You can also select to disable deprecated APIs only up to a certain version of Qt.

#DEFINES += QT_DISABLE_DEPRECATED_BEFORE=0x060000    # disables all the APIs deprecated before Qt 6.0.0

INCLUDEPATH += E:\face_recognition\dlib-19.4\dlib-19.4

LIBS += C:\dlib_19_4\libdlib.a

 

QMAKE_CXXFLAGS += -std=c++11 -DDLIB_PNG_SUPPORT -DDLIB_JPEG_SUPPORT

QMAKE_CFLAGS_DEBUG = -O2 -Os -MD

 

INCLUDEPATH += C:\OpenCV\opencv_qt\include

 

LIBS += C:\OpenCV\opencv_qt\lib\libopencv_imgproc249.dll.a\

        C:\OpenCV\opencv_qt\lib\libopencv_calib3d249.dll.a\

        C:\OpenCV\opencv_qt\lib\libopencv_contrib249.dll.a\

        C:\OpenCV\opencv_qt\lib\libopencv_core249.dll.a\

        C:\OpenCV\opencv_qt\lib\libopencv_features2d249.dll.a\

        C:\OpenCV\opencv_qt\lib\libopencv_flann249.dll.a\

        C:\OpenCV\opencv_qt\lib\libopencv_gpu249.dll.a\

        C:\OpenCV\opencv_qt\lib\libopencv_highgui249.dll.a\

        C:\OpenCV\opencv_qt\lib\libopencv_legacy249.dll.a\

        C:\OpenCV\opencv_qt\lib\libopencv_ml249.dll.a\

        C:\OpenCV\opencv_qt\lib\libopencv_nonfree249.dll.a\

        C:\OpenCV\opencv_qt\lib\libopencv_objdetect249.dll.a\

        C:\OpenCV\opencv_qt\lib\libopencv_ocl249.dll.a\

        C:\OpenCV\opencv_qt\lib\libopencv_photo249.dll.a\

        C:\OpenCV\opencv_qt\lib\libopencv_stitching249.dll.a\

        C:\OpenCV\opencv_qt\lib\libopencv_superres249.dll.a\

        C:\OpenCV\opencv_qt\lib\libopencv_video249.dll.a\

        C:\OpenCV\opencv_qt\lib\libopencv_videostab249.dll.a

 

3.Qt5.8 mingw32编译OpenCV2.4.9

3.1 CMake命令

cmake -DCMAKE_INSTALL_PREFIX=C:/OpenCV/opencv_qt -DCMAKE_C_COMPILER=gcc -DCMAKE_CXX_COMPILER=g++ -DCMAKE_BUILD_TYPE=Release  -G"MinGW Makefiles"  ..

cmake -DCMAKE_INSTALL_PREFIX=C:/opencv249/opencv-2.4.9/build -DCMAKE_C_COMPILER=gcc -DCMAKE_CXX_COMPILER=g++ -DCMAKE_BUILD_TYPE=Release  -G"MinGW Makefiles" ..

3.2 Make命令

mingw32-make -f Makefile

参考文献

Mingw编译dlib

阅读更多

更多精彩内容