################################################################################
# Architecture detection
# The following Variables are defined by this include:
# OPERATING_SYSTEM : Debian / Fedora / Windows
# ARCHITECTURE         : 32 / 64
# MODE                        : Debug / Release
# BUILDDIRECTORY     : Concat of all above variables sesparated by underscores e.g. Debian_64_debug
################################################################################

unix {
	
	OPERATING_SYSTEM = UNKNOWN_OS

	exists( /etc/debian_version ) | exists( /etc/debian_release ) {
		OPERATING_SYSTEM = Debian
	}

	exists( /etc/fedora-release ) {
		OPERATING_SYSTEM = Fedora
	}

	exists( /etc/gentoo-release ) {
		OPERATING_SYSTEM = Gentoo
	}

	exists( /etc/lfs-release ) {
		OPERATING_SYSTEM = Linux_From_Scratch
	}

	exists( /etc/mandrake-release ) | exists( /etc/mandrakelinux-release ) {
		OPERATING_SYSTEM = Mandrake
	}

	exists( /etc/mandriva-release ) {
		OPERATING_SYSTEM = Mandriva
	}

	exists( /etc/redhat-release ) | exists( /etc/redhat_version ) {
		OPERATING_SYSTEM = Redhat
	}

	exists( /etc/SuSE-release ) | exists( /etc/novell-release ) {
		OPERATING_SYSTEM = SuSE
	}

	exists( /etc/lsb-release ) {
		OPERATING_SYSTEM = Ubuntu
	}
	
	TEST_DARWIN = $$system(uname -s)
	contains( TEST_DARWIN, Darwin) {
		OPERATING_SYSTEM = Darwin
		DEFINES += ARCH_DARWIN
		export(DEFINES)
	}

	HARDWARE_PLATFORM = $$system(uname -a)
	contains( HARDWARE_PLATFORM, x86_64 ) {
		# 64-bit Linux
		ARCHITECTURE = 64
	} else {
		# 32-bit Linux
		ARCHITECTURE = 32
	}

	contains(TEST_DARWIN, Darwin) {
		SYSTEMTYPE = Darwin
	} else {
		SYSTEMTYPE = Linux
	}
}

win32 {
	OPERATING_SYSTEM = Windows
	ARCHITECTURE = 32
	SYSTEMTYPE = Windows
}

CONFIG( debug, debug|release ){
	MODE = Debug
} else {
	MODE = Release
}

BUILDDIRECTORY = $${OPERATING_SYSTEM}_$${ARCHITECTURE}_$${MODE}