qt5base-lts/mkspecs/features/device_config.prf

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# This file is loaded by some qmakespecs to get early configuration data.
# Load generated qdevice.pri
DEVICE_PRI = $$[QT_HOST_DATA/get]/mkspecs/qdevice.pri
exists($$DEVICE_PRI):include($$DEVICE_PRI)
unset(DEVICE_PRI)
host_build {
CROSS_COMPILE =
} else: isEmpty(CROSS_COMPILE) {
#this variable can be persisted via qmake -set CROSS_COMPILE /foo
CROSS_COMPILE = $$[CROSS_COMPILE]
}
# Provide a function to be used by mkspecs
defineTest(deviceSanityCheckCompiler) {
# Check if the binary exists with an absolute path. Do this check
# before the CROSS_COMPILE empty check below to allow the mkspec
# to derive the compiler path from other device options.
exists($$QMAKE_CXX):return()
# Check for possible reasons of failure
# check if CROSS_COMPILE device-option is set
isEmpty(CROSS_COMPILE):error("CROSS_COMPILE needs to be set via -device-option CROSS_COMPILE=<path>")
# Check if QMAKE_CXX points to an executable.
system("which $$QMAKE_CXX > /dev/null"):return()
# QMAKE_CXX does not point to a compiler.
error("Compiler $$QMAKE_CXX not found. Check the value of CROSS_COMPILE -device-option")
}