tce-load -i compiletc libyaml-dev

wget https://github.com/pantoniou/libfyaml/releases/download/v0.9.3/libfyaml-0.9.3.tar.gz

cd libfyaml-0.9.3

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 --enable-shared 

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

make [5m 51.23s]
sudo make install

 ---{ libfyaml 0.9.3 }---

    VERSION:               0.9.3
    MAJOR.MINOR:           0.9
    PATCH:                 3
    EXTRA:                 
    LIBTOOL_VERSION:       2:0:0
    prefix:                /usr/local
    Build system:          armv7l-unknown-linux-gnueabihf
    Host system:           armv7l-unknown-linux-gnueabihf
    Target system:         armv7l-unknown-linux-gnueabihf
    Cross compiling:       0
    C compiler:            /bin/sh /mnt/sda1/usr/src/libfyaml-0.9.3/build-aux/shave cc gcc -march=armv6zk -mtune=arm1176jzf-s -mfpu=vfp -Os -pipe
    Linker:                /usr/local/bin/ld
    CFLAGS:                -Wall -Wsign-compare -Wno-stringop-overflow -fvisibility=hidden -Wno-unused-function -Wno-tautological-constant-out-of-range-compare -std=c2x -O2 -ftrampoline-impl=heap
    LDFLAGS:               
    LIBS:                   -lpthread
    HAVE_ASAN:             0
    HAVE_CHECK:            0
    HAVE_COMPATIBLE_CHECK: 0
    HAVE_NETWORK:          1
    HAVE_DEVMODE:          1
    HAVE_SPHINX:           0
    GIT:                   
    DOCKER:                
    HAVE_LIBCLANG:         0
    LIBCLANG_LIBS:         
    HAVE_CLANG_BLOCKS:     0
    HAVE_HEAP_TRAMPOLINES: 1
    TESTSUITEURL:          https://github.com/yaml/yaml-test-suite
    TESTSUITECHECKOUT:     6e6c296ae9c9d2d5c4134b4b64d01b29ac19ff6f
    JSONTESTSUITEURL:      https://github.com/nst/JSONTestSuite
    JSONTESTSUITECHECKOUT: d64aefb55228d9584d3e5b2433f720ea8fd00c82