tce-load -i compiletc fontconfig-dev libxcb-dev perl5 xtrans gettext

https://www.x.org/pub/individual/lib/

cd libX11-1.8.6
cd ../libXext-1.3.5
cd ../libFS-1.0.9
cd ../libICE-1.1.1
cd ../libSM-1.2.4
cd ../libXScrnSaver-1.2.4
cd ../libXt-1.3.0
cd ../libXmu-1.1.4
cd ../libXpm-3.5.16
cd ../libXaw-1.0.15
cd ../libXfixes-6.0.1
cd ../libXcomposite-0.4.6
cd ../libXrender-0.9.11
cd ../libXcursor-1.2.1
cd ../libXdamage-1.1.6
cd ../libfontenc-1.1.7
cd ../libXfont2-2.0.6
cd ../libXft-2.3.8
cd ../libXi-1.8.1
cd ../libXinerama-1.1.5
cd ../libXrandr-1.5.3
cd ../libXres-1.2.2
cd ../libXtst-1.2.4
cd ../libXv-1.0.12
cd ../libXvMC-1.0.13
cd ../libXxf86dga-1.1.6
cd ../libXxf86vm-1.1.5
cd ../libpciaccess-0.17
cd ../libxkbfile-1.1.2
cd ../libxshmfence-1.3.2

[patch -Rp1 -i ../libXfont2-2.0.4.patch]

CC="gcc -flto -march=armv6zk -mtune=arm1176jzf-s -mfpu=vfp -Os -pipe" CXX="g++ -flto -march=armv6zk -mtune=arm1176jzf-s -mfpu=vfp -Os -pipe -fno-exceptions -fno-rtti" ./configure --prefix=/usr/local --disable-static --localstatedir=/var --sysconfdir=/etc [libXt --with-appdefaultdir=/etc/X11/app-defaults] [libXfont2 --disable-devel-docs] [libXpm --disable-open-zfile]

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

make [4m 15.09s]
sudo make install

libX11 1.8.6 will be built with the following settings:
 Loadable i18n module support:            no
 Loadable xcursor library support:        yes
 Threading support:                       yes
 Use Threads safe API:                    yes
 Use thread safety constructor:           yes
 XCMS:                                    yes
 Internationalization support:            yes
 XF86BigFont support:                     yes
 XKB support:                             yes
 XLOCALEDIR environment variable support: yes
 Compose table cache enabled:             yes
 Functional specs building enabled:       yes