cd($this->source_dir) ->setEnv(['CFLAGS' => $this->getLibExtraCFlags(), 'LDFLAGS' => $this->getLibExtraLdFlags(), 'LIBS' => $this->getLibExtraLibs()]) ->execWithEnv('./configure --prefix=' . BUILD_ROOT_PATH . ' --enable-static --disable-shared --disable-tests') ->execWithEnv("make -j {$this->builder->concurrency}") ->exec('make install'); } }