mesa compile flags

CC="ccache gcc" CFLAGS="-Og -ggdb -g -gdwarf-2 -gstrict-dwarf" CXXFLAGS="${CFLAGS}" ./autogen.sh --prefix=/home/gyebro/mesa --enable-debug --enable-nine --enable-selinux --enable-dri --enable-dri3 --with-dri-drivers=nouveau,swrast --enable-egl --with-egl-platforms=x11,drm --enable-gallium-llvm --enable-llvm-shared-libs --enable-xvmc --with-gallium-drivers=nouveau,svga,swrast --enable-osmesa --enable-gbm --enable-gles1 --enable-gles2 --enable-opencl --enable-opencl-icd --enable-glx --enable-glx-tls --enable-shared-glapi --enable-texture-float --enable-va --enable-vdpau --with-clang-libdir=/usr/lib