mesa: Ensure gl_query_object is fully initialized.

278372b47e4db8a022d57f60302eec74819e9341 added the uninitialized pointer
field gl_query_object:Label. A free of this pointer resulted in a crash.

This patch fixes piglit regressions with swrast introduced by
6d8dd59cf53d2f47b817d79204a52bb3a46e8c77.

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=69047
Signed-off-by: Vinson Lee <vlee@freedesktop.org>
Reviewed-by: Brian Paul <brianp@vmware.com>
gallium, intel: Implements new __DRI_IMAGE_USE_LINEAR and PIPE_BIND_LINEAR flags to enforce no tiling.

Signed-off-by: Axel Davy <axel.davy@ens.fr>
Move nv30, nv50 and nvc0 to nouveau.
ilo: -I$(top_srcdir)/src/mesa/drivers/dri/i965
Suppress clang's warnings about unused CFLAGS and CXXFLAGS.

Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
configure.ac: Save user {C,CXX}FLAGS and append them at end.

This way the user has the privilege of last decision and so the option to build an optimized debug build again.
radeon: Build libllvmradeon the right way.

Better build system integration for:
http://cgit.freedesktop.org/mesa/mesa/commit/?id=91a160b
http://cgit.freedesktop.org/mesa/mesa/commit/?id=5b2855b
gallium/targets: Make use of prebuilt libdricommon.la.
Drop support for --enable-static / --disable-shared.
gallium/auxiliary: Build libgallium shared.
Drop last parts of compatibility for the old Mesa build system.
mapi: Build libglapi always shared.
mesa: Build libmesa shared.
Install all internal shared libs to $(libdir)/mesa-$VERSION.
Makefile.am: s:-no-undefined:-Wl,--no-undefined to make it work.
gallium/drivers: Build libs -shared.
glx: Get rid of libglx.la.
gbm: Get rid of libgbm_dri.la.
i915: Conditionally build an i915g driver instead of two i915 drivers.
gallium/auxiliary/draw/draw_decompose_tmp.h: Fix clang warnings.