示例
#if defined(Q_OS_WIN32)
qDebug()<<"Q_OS_WIN32";
#else
qDebug()<<"Q_OS_other";
#endif
qt定义的各个系统的宏定义
Q_OS_AIX
Defined on AIX.
Q_OS_ANDROID
Defined on Android.
Q_OS_BSD4
Defined on Any BSD 4.4 system.
Q_OS_BSDI
Defined on BSD/OS.
Q_OS_CYGWIN
Defined on Cygwin.
Q_OS_DARWIN
Defined on Darwin-based operating systems such as macOS, iOS, watchOS, and tvOS.
Q_OS_DGUX
Defined on DG/UX.
Q_OS_DYNIX
Defined on DYNIX/ptx.
Q_OS_FREEBSD
Defined on FreeBSD.
Q_OS_HPUX
Defined on HP-UX.
Q_OS_HURD
Defined on GNU Hurd.
Q_OS_IOS
Defined on iOS.
Q_OS_IRIX
Defined on SGI Irix.
Q_OS_LINUX
Defined on Linux.
Q_OS_LYNX
Defined on LynxOS.
Q_OS_MAC
Deprecated synonym for Q_OS_DARWIN. Do not use.
Q_OS_MACOS
Defined on macOS.
Q_OS_NETBSD
Defined on NetBSD.
Q_OS_OPENBSD
Defined on OpenBSD.
Q_OS_OSF
Defined on HP Tru64 UNIX.
Q_OS_OSX
Deprecated synonym for Q_OS_MACOS. Do not use.
Q_OS_QNX
Defined on QNX Neutrino.
Q_OS_RELIANT
Defined on Reliant UNIX.
Q_OS_SCO
Defined on SCO OpenServer 5.
Q_OS_SOLARIS
Defined on Sun Solaris.
Q_OS_TVOS
Defined on tvOS.
Q_OS_ULTRIX
Defined on DEC Ultrix.
Q_OS_UNIX
Defined on Any UNIX BSD/SYSV system.
Q_OS_UNIXWARE
Defined on UnixWare 7, Open UNIX 8.
Q_OS_WATCHOS
Defined on watchOS.
Q_OS_WIN32
Defined on 32-bit and 64-bit versions of Windows.
Q_OS_WIN64
Defined on 64-bit versions of Windows.
Q_OS_WIN
Defined on all supported versions of Windows. That is, if Q_OS_WIN32, Q_OS_WIN64, or Q_OS_WINRT is defined.
Q_OS_WINPHONE
Defined on Windows Phone 8.
Q_OS_WINRT
Defined for Windows Runtime (Windows Store apps) on Windows 8, Windows RT, and Windows Phone 8.
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作者：天已青色等烟雨来
来源：CSDN
原文：blog.csdn.net/x356982611/…
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