tce-load -i compiletc libsndfile-dev

wget http://www.ladspa.org/download/ladspa_sdk_1.17.tgz

cd ladspa_sdk_1.17

cd src

edit Makefile
INSTALL_PLUGINS_DIR     =       /usr/local/lib/ladspa/
INSTALL_INCLUDE_DIR     =       /usr/local/include/
INSTALL_BINARY_DIR      =       /usr/local/bin/
CFLAGS          =       $(INCLUDES) -flto -march=armv8-a+crc -mtune=cortex-a72 -Os -pipe -Wall -Werror -fPIC          \
                        -DDEFAULT_LADSPA_PATH=$(INSTALL_PLUGINS_DIR

make [0m 8.00s]
sudo make install