Squash commits of Linaro

build/core: Add linaro_compilerchecks.mk

Add linaro_compilerchecks.mk, allowing to run some checks on the
compiler version and supported flags before setting them

Change-Id: I96e1277e74c0ea3457677bef39644aaece01f653
Signed-off-by: Bernhard Rosenkraenzer <Bernhard.Rosenkranzer@linaro.org>

Include linaro_compilerchecks.mk in core/config.mk to allow the macros
to be used in board configs

Change-Id: I3a0dfd0a3a1c09961e43ef8c2f3cbe50b8c00e20
Signed-off-by: Bernhard Rosenkraenzer <Bernhard.Rosenkranzer@linaro.org>

build: Allow building with OpenJDK

My local builds with OpenJDK have been successful - no
reason to disallow it, let's go free...

Signed-off-by: Bernhard Rosenkraenzer <Bernhard.Rosenkranzer@linaro.org>

build: Add support for TARGET_EXTRA_C{,PP}FLAGS

Add support for setting TARGET_EXTRA_C{,PP}FLAGS in board configs.
This can be used to set compiler flags for a board that break other
boards, such as -march=cortex-a9 or -DUSE_CUSTOM_EXTENSIONS_FOR_XYZ

Change-Id: I0efd4e37578bf6d239bf56dfeeaaed44840ee3af
Signed-off-by: Bernhard Rosenkraenzer <Bernhard.Rosenkranzer@linaro.org>

build/core: Don't use -fno-strict-aliasing

Don't use -fno-strict-aliasing: It's no longer needed.

Signed-off-by: Bernhard Rosenkraenzer <Bernhard.Rosenkranzer@linaro.org>
Signed-off-by: Paul Beeler <sparksco@gmail.com>

build: Don't add -fno-strict-aliasing to HOST compiler flags

Change-Id: I07eef86f11ec3761e0922855cb6ff881c2773966
Signed-off-by: Bernhard Rosenkraenzer <Bernhard.Rosenkranzer@linaro.org>
Signed-off-by: Paul Beeler <sparksco@gmail.com>

build: Explicitly disable -Werror=strict-alising for HOST builds

Change-Id: Ib1e834951196ab3ea6acbe47c27eebe5633f55d2
Signed-off-by: Bernhard Rosenkraenzer <Bernhard.Rosenkranzer@linaro.org>

build/core: Build in ISOC++11 mode if possible

Add -std=gnu++11 if the compiler supports it

Change-Id: Ied8b4487263172b678fd2912cfe428187b2edf95
Signed-off-by: Bernhard Rosenkraenzer <Bernhard.Rosenkranzer@linaro.org>

build: Add option to disable strict-aliasing optimizations

This is useful for builds that pull in unmodified AOSP repositories
that can't be compiled with strict-aliasing compliance enabled

Change-Id: I0599127b1e113c0799dd8fa92db00b989ebc9bd3
Signed-off-by: Bernhard Rosenkraenzer <Bernhard.Rosenkranzer@linaro.org>
Signed-off-by: Paul Beeler <sparksco@gmail.com>

build/core: Add option to disable C++11 bits

Change-Id: I45294e8c19bf7cdf200b45fbd114ccd75c4e3ca9
Signed-off-by: Bernhard Rosenkraenzer <Bernhard.Rosenkranzer@linaro.org>

full_base_telephony: Disable roaming by default

Roaming enabled by default can lead to nasty surprises
especially on builds that get flashed over and over again
(each time losing WiFi passwords...)
Better default to turning it off.

Change-Id: I71e3a432a4a221e1fb26b6c68198830fbb6705bd
Signed-off-by: Bernhard Rosenkraenzer <Bernhard.Rosenkranzer@linaro.org>

Conflicts:
	core/combo/TARGET_linux-arm.mk
	core/combo/select.mk
	core/config.mk