tce-load -i xorg-macros elfutils libvdpau-dev llvm-dev python-dev libxshmfence-dev expat2-dev gettext

cd Mesa-10.4.4

patch -Np1 -i ../MesaLib-10.4.4-add_xdemos-1.patch

autoreconf

CC="gcc -march=i486 -mtune=i686 -Os -pipe" CXX="g++ -march=i486 -mtune=i686 -Os -pipe" ./configure --prefix=/usr/local --disable-static --localstatedir=/var --sysconfdir=/etc --enable-texture-float --enable-gles1 --enable-gles2 --enable-osmesa --enable-xa --enable-gbm --enable-glx-tls --with-egl-platforms="drm,x11" --with-gallium-drivers="nouveau,r300,r600,radeonsi,svga,swrast"

find . -name Makefile -type f -exec sed -i 's/-O2//g' {} \;

make [real 8m 11.65s]
make -C xdemos DEMOS_PREFIX=/usr/local
sudo make install
sudo make -C xdemos DEMOS_PREFIX=/usr/local install

        prefix:          /usr/local
        exec_prefix:     ${prefix}
        libdir:          ${exec_prefix}/lib
        includedir:      ${prefix}/include

        OpenGL:          yes (ES1: yes ES2: yes)
        OpenVG:          no

        OSMesa:          libOSMesa

        DRI platform:    drm
        DRI drivers:     i915 i965 nouveau r200 radeon swrast 
        DRI driver dir:  ${libdir}/dri
        GLX:             DRI-based

        EGL:             yes
        EGL platforms:   drm x11
        EGL drivers:     builtin:egl_dri2

        llvm:            yes
        llvm-config:     /usr/local/bin/llvm-config
        llvm-version:    3.5.1

        Gallium:         yes

        Shared libs:     yes
        Static libs:     no
        Shared-glapi:    yes

        CFLAGS:          -g -O2 -Wall -std=c99 -Werror=implicit-function-declaration -Werror=missing-prototypes -fno-strict-aliasing -fno-builtin-memcmp
        CXXFLAGS:        -g -O2 -Wall -fno-strict-aliasing -fno-builtin-memcmp
        Macros:          -DUSE_EXTERNAL_DXTN_LIB=1 -D_GNU_SOURCE -DUSE_SSE41 -DTEXTURE_FLOAT_ENABLED -DUSE_X86_ASM -DUSE_MMX_ASM -DUSE_3DNOW_ASM -DUSE_SSE_ASM -DHAVE_XLOCALE_H -DHAVE_STRTOF -DHAVE_DLOPEN -DHAVE_POSIX_MEMALIGN -DHAVE_LIBDRM -DGLX_USE_DRM -DHAVE_LIBUDEV -DGLX_INDIRECT_RENDERING -DGLX_DIRECT_RENDERING -DGLX_USE_TLS -DHAVE_ALIAS -DHAVE_DRI3 -DHAVE_MINCORE -DHAVE_LLVM=0x0305 -DLLVM_VERSION_PATCH=1

        LLVM_CFLAGS:     -I/usr/local/include   -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS
        LLVM_CXXFLAGS:   -I/usr/local/include   -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS   -std=c++11   -fno-rtti     
        LLVM_CPPFLAGS:   -I/usr/local/include   -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS

        PYTHON2:         python2