cd($this->source_dir . '/source') ->exec( "{$cppflags} {$cxxflags} {$ldflags} " . './runConfigureICU Linux ' . '--enable-static ' . '--disable-shared ' . '--with-data-packaging=static ' . '--enable-release=yes ' . '--enable-extras=yes ' . '--enable-icuio=yes ' . '--enable-dyload=no ' . '--enable-tools=yes ' . '--enable-tests=no ' . '--enable-samples=no ' . '--prefix=' . BUILD_ROOT_PATH ) ->exec('make clean') ->exec("make -j{$this->builder->concurrency}") ->exec('make install'); } }