QT += core
CONFIG += c++11
TARGET = milibreria
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
# Build as a library
TEMPLATE = lib
win32:CONFIG += dll
# 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
SOURCES += \
libreria.cpp
HEADERS += \
libreria.h
Luego en el header libreria.h se coloca una macro a la clase Q_DECL_EXPORT que sirve para exportar la definición de la librería.
class Q_DECL_EXPORT MiLibreria : public QClaseBase
Q_OBJECT
public:
MiLibreria();
signals:
public slots:
private:
};Una vez compilada se la incluye en el proyecto donde va a ser usada en el archivo .pro agregando la ruta de la librería y de los headers de la siguiente forma:
INCLUDEPATH += rutaDeLosHeaders
LIBS += -L"rutaDeLaLibreria" -lmilibreria
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