Fix QPainter::drawPolyline() painting errors with cosmetic pen

Task-number: QTBUG-31579
Change-Id: I8fd2c03ff9a22e4963bfcbcfe196ae4c61b9e10f
Reviewed-by: Gunnar Sletta <gunnar.sletta@jollamobile.com>
(cherry picked from qtbase/319cbb7597100f3b65792dc6a0ce2885ce6c0e8c)
Reviewed-by: Gunnar Sletta <gunnar@sletta.org>
Allow Qt4 to also build in ppc64[el le]

This simple patch allows ppc64le (aka ppc64el) to build Qt4.

The original patch was done by Ubuntu's William Grant [0], but
I higly doubt this is copyrighteable.

[0] <https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=749743#39>

Change-Id: I4cd204e314789337e34b460dda6e18143e3712ec
Reviewed-by: Dmitry Shachnev <mitya57@gmail.com>
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@digia.com>
Fix AArch64/arm64 detection.

The detection needs to go before arm, else the system will detect AArch64/arm64
as arm.

This patch comes from Wookey, he has agreed to put it under BSD or Expat
to allow it's inclusion in here:
<https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=735488#255>

Change-Id: Ic2171c03fca8bb871347940fa3a2bc467776f797
Reviewed-by: Dmitry Shachnev <mitya57@gmail.com>
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@digia.com>