ensure that arch_host.pro is used also on windows

Change-Id: I110ec33a40f37ecdec5ab952ea56a4fc00cd27a8
Reviewed-by: David Schulz <david.schulz@digia.com>
avoid that CROSS_COMPILE affects host builds

Change-Id: Iee40cfd87d7ec640fb4b3526e58317bdc8a778c7
Reviewed-by: Joerg Bornemann <joerg.bornemann@digia.com>
Reviewed-by: David Schulz <david.schulz@digia.com>
add /ENTRY:main only for target builds

Change-Id: Ifa1d36607a1884ec989b5b514e7d1b9a2b40ddce
Reviewed-by: David Schulz <david.schulz@digia.com>
Reviewed-by: Oliver Wolff <oliver.wolff@digia.com>
Reviewed-by: Joerg Bornemann <joerg.bornemann@digia.com>
pass --sysroot to compile tests also on windows

Change-Id: I486059197479842f32c3590d7fd269550d22698e
Reviewed-by: David Schulz <david.schulz@digia.com>
Reviewed-by: Oliver Wolff <oliver.wolff@digia.com>
Reviewed-by: Joerg Bornemann <joerg.bornemann@digia.com>