tce-load -i automake libtool-dev gettext-dev intltool pcaudiolib-dev

cd espeak-ng-1.49.0

./autogen.sh

CC="gcc -flto -fuse-linker-plugin -mtune=generic -Os -pipe" CXX="g++ -flto -fuse-linker-plugin -mtune=generic -Os -pipe -fno-exceptions -fno-rtti" ./configure --prefix=/usr/local --localstatedir=/var --disable-static

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

make
sudo make install

    Configuration for eSpeak NG complete.

        Source code location:          .

        C99 Compiler:                  gcc -flto -fuse-linker-plugin -mtune=generic -Os -pipe
        C99 Compiler flags:            -g -O2 -std=c99

        Sonic:                         no
        PCAudioLib:                    yes

        Klatt:                         yes
        MBROLA:                        yes
        Async:                         yes

        Extended Dictionaries:
            Russian:                   no
            Chinese (Mandarin):        no
            Chinese (Cantonese):       no