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