tce-load -i compiletc libopus-dev libogg-dev openssl-1.1.1-dev

wget https://ftp.osuosl.org/pub/xiph/releases/opus/opusfile-0.12.tar.gz

cd opusfile-0.12

CC="gcc -flto -march=i486 -mtune=i686 -Os -pipe" CXX="g++ -flto -march=i486 -mtune=i686 -Os -pipe -fno-exceptions -fno-rtti " ./configure --prefix=/usr/local --disable-static --localstatedir=/var

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

make [0m 3.39s]
sudo make install

  opusfile 0.12: Automatic configuration OK.

    Assertions ................... no

    HTTP support ................. yes
    Fixed-point .................. no
    Floating-point API ........... yes
    Library for lrintf() ......... -lm

    Hidden visibility ............ yes

    API code examples ............ yes
    API documentation ............ yes