qt - How to specify libraries only for Android platform build in .pro file? -

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i'm trying use qtcreator (2.7.2) + qt (5.1.0) build application runs on both desktop (linux) , mobile (android) platforms.

to achieve this, need use different pre-built libraries depending on target platform. how specify in .pro file?

the wizard offers linux/mac/windows platform choice like

unix:!mac { message("* using settings unix/linux.") libs += -l/path/to/linux/libs }

i've tried 

android {  message("* using settings android.") libs += -l/path/to/android/libs }

but both build targets unix:!mac gets executed/evaluated.

so question is: how detect build target (called "kits" in qtcreator) in .pro file , change library definitions accordingly?

i've far found out how specify platform (which seems platform i'm building on , not for) or build variant release/debug. other things i've found should prefix lib+= target platform win32:lib+=. again, won't work android. maybe i'm using wrong syntax platform (android 4.2 on arm-v7).

this works me (qt 5.3.2)

linux:!android {     message("* using settings unix/linux.")     libs += -l/path/to/linux/libs }  android {      message("* using settings android.")     libs += -l/path/to/android/libs }

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