tce-load -i compiletc libudev-dev

https://www.freedesktop.org/software/libmbim/libmbim-1.22.0.tar.xz

cd libmbim-1.22.0

CC="gcc -march=armv6zk -mtune=arm1176jzf-s -mfpu=vfp -Os -pipe" CXX="g++ -march=armv6zk -mtune=arm1176jzf-s -mfpu=vfp -Os -pipe -fno-exceptions -fno-rtti" ./configure --prefix=/usr/local --localstatedir=/var --disable-static --libexecdir=/usr/local/lib/mbim

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

make [1m 3.94s]
sudo make install

    libmbim 1.22.0
    ==============================================

    Build:
      compiler:             gcc -march=armv6zk -mtune=arm1176jzf-s -mfpu=vfp -Os -pipe
      cflags:               -g -O2 -std=gnu89
      ldflags:              
      warn cflags:          -fno-strict-aliasing -Wnested-externs -Wmissing-prototypes -Wstrict-prototypes -Wdeclaration-after-statement -Wimplicit-function-declaration -Wold-style-definition -Wjump-misses-init -Wall -Wextra -Wundef -Wwrite-strings -Wpointer-arith -Wmissing-declarations -Wredundant-decls -Wno-unused-parameter -Wno-missing-field-initializers -Wformat=2 -Wcast-align -Wformat-nonliteral -Wformat-security -Wsign-compare -Wstrict-aliasing -Wshadow -Winline -Wpacked -Wmissing-format-attribute -Wmissing-noreturn -Winit-self -Wmissing-include-dirs -Wunused-but-set-variable -Warray-bounds -Wreturn-type -Wswitch-enum -Wswitch-default -Wduplicated-cond -Wduplicated-branches -Wlogical-op -Wrestrict -Wnull-dereference -Wdouble-promotion -Wno-error=unused-parameter -Wno-error=missing-field-initializers -Wno-cast-function-type -Wno-packed -Wno-error=cast-function-type -Wno-error=packed
      warn ldflags:         -Wl,--no-as-needed
      Maintainer mode:      yes
      Documentation:        no

    System paths:
      prefix:               /usr/local
      udev base directory:  /lib/udev

    Features:
      udev support:         yes
      MBIM username:        no (root)