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问题描述
我必须在 .pro 文件中做这样的事情:
I have to do something like this in a .pro file:
win32 { LIBS += -L../3rdparty/libusb-win32/lib/msvc -llibusb } else win64 { LIBS += -L../3rdparty/libusb-win32/lib/msvc_x64 -llibusb }问题是它不起作用,它总是链接 win32 库.有什么建议吗?
The problem is it doesn't work, it always links win32 library. Any suggestions?
推荐答案您可以使用 QT_ARCH 变量来检测您的配置是 32 位还是 64 位:
You can use QT_ARCH variable to detect whether your configuration is 32 or 64 :
contains(QT_ARCH, i386) { message("32-bit") }else { message("64-bit") }当目标是 32 位时,变量返回 i386,如果是 64 位目标,它的值为 x86_64.
When the target is 32-bit, the variable returns i386 and in case of a 64-bit target it has the value of x86_64.
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Qt Creator:如何区分 win32 和 win64
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