TEMPLATE = lib QT += core gui greaterThan(QT_MAJOR_VERSION, 4): QT += widgets CONFIG += c++17 CONFIG += nokey CONFIG += staticlib win32: { DEFINES += _WIN32_WINNT=0x0601 } gcc { QMAKE_CXXFLAGS_RELEASE += -Werror=return-type QMAKE_CXXFLAGS_DEBUG += -Werror=return-type } msvc { DEFINES += NOMINMAX } SOURCES += qt_utils/utils.cpp \ qt_utils/charsetinfo.cpp HEADERS += qt_utils/utils.h \ qt_utils/charsetinfo.h