请帮忙看看这是什么意思？

[dibel]

daibin@ubuntu:~/Desktop/freetype-2.1.10$./configure --prefix=/usr

--prefix=/usr GNU make (>= 3.79.1) or makepp (>= 1.19) is required to build FreeType2.
Please try
`GNUMAKE=<GNU make command name> ./configure'.
or >&2
`GNUMAKE="makepp --norc-substitution" ./configure'.

[eexpress]

没有编译环境吧。可以安装g++试试。