tce-load -i compiletc curl-dev libxslt-dev icu-dev libyajl-dev

http://download.librdf.org/source/raptor2-2.0.15.tar.gz

cd raptor2-2.0.15

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 --with-icu-config=/usr/local/bin/icu-config

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

make
sudo make install

Raptor build summary:
  RDF parsers available     : rdfxml ntriples turtle trig guess rss-tag-soup rdfa nquads grddl
  RDF parsers enabled       : rdfxml ntriples turtle trig guess rss-tag-soup rdfa nquads grddl
  RDF serializers available : rdfxml rdfxml-abbrev turtle ntriples rss-1.0 dot html json atom nquads
  RDF serializers enabled   : rdfxml rdfxml-abbrev turtle ntriples rss-1.0 dot html json atom nquads
  XML parser                : libxml 2.9.2 via xml2-config
  WWW library               : libcurl 7.49.1 via curl-config
  NFC check library         : ICU 54.1