Use Qt development under Mac OS X, you need to configure the Qt library and compiler. The compiler can only use Apple's self-developed Clang.
1, respectively, and download and install XCode Command Line Tools, after installation, Clang there.
https://developer.apple.com/downloads/
I downloaded the previous version as follows:
2, download Qt and installed by default
here official website said I need to select the version of Qt depending on your version of Xcode:
Below I downloaded, for example, select qtcreator4.8 and qt5.12 to download and install.
http://download.qt.io/official_releases/qtcreator/ 4.8 / 4.8.0 /, to obtain the installation package qt-creator-opensource-mac- x86_64-4.8.0.dmg.
http://download.qt.io/official_releases/qt/ 5.12 / 5.12.0 /, to obtain the installation package qt-opensource-mac-5.12.0.dmg.
qt is installed by default on the line, the following is a screenshot:
⚠️ here to check the MacOS
Configuration kit:
Use helloword test project:
Configuration opencv
Configuration opencv and I had not the same in the windows, I tried the path of the configuration opencv cmkae compiled, no! It is not known why, but use brew install opencvdownloaded but can be configured as follows:
INCLUDEPATH += /usr/local/include
/usr/local/include/opencv
/usr/local/include/opencv2
The following need to add a module used here is just a test, display a picture, use opencv4 modules.
LIBS += -L/usr/local/lib \
-lopencv_core \
-lopencv_highgui \
-lopencv_imgproc \
-lopencv_imgcodecs \
