編譯安裝git 2.8.0，依照官方文件所說的步驟，安裝出錯，安裝步驟如下：
第一步：

$ sudo yum install curl-devel expat-devel gettext-devel     openssl-devel zlib-devel

第二步：

$ sudo yum install asciidoc xmlto docbook2x

第三步：

 $ tar -zxf git-2.8.0.tar.gz
  $ cd git-2.8.0
  $ make configure
  $ ./configure --prefix=/usr
  $ make all doc info
  $ sudo make install install-doc install-html install-info

問題出在執行到make all doc info的時候，錯誤訊息如下：

反正問題跟docbook2x有關，又單獨安裝docbook2x顯示已經安裝：

[root@i001 git-2.8.0]# yum install docbook2x
Loaded plugins: axelget, langpacks
No metadata available for base
No metadata available for dockerrepo
No metadata available for elrepo
No metadata available for epel
No metadata available for extras
No metadata available for mariadb
No metadata available for nginx
No metadata available for remi
No metadata available for remi-php70
No metadata available for remi-php70-test
No metadata available for remi-safe
No metadata available for remi-test
No metadata available for rpmforge
No metadata available for rpmforge-extras
No metadata available for rpmforge-testing
No metadata available for salt-2015.8
No metadata available for updates
No package docbook2x available.
Error: Nothing to do

試了3次，都是顯示一樣的錯誤訊息。然後在stackoverflow上找到一個步驟，如下：
第一步：

# yum install curl-devel expat-devel gettext-devel openssl-devel zlib-devel
# yum install  gcc perl-ExtUtils-MakeMaker

第二步：

# yum remove git

第三步：

# cd /usr/src
# wget https://www.kernel.org/pub/software/scm/git/git-2.8.0.tar.gz
# tar xzf git-2.8.0.tar.gz

第四步：

# cd git-2.8.0
# make prefix=/usr/local/git all
# make prefix=/usr/local/git install
# echo "export PATH=$PATH:/usr/local/git/bin" >> /etc/bashrc
# source /etc/bashrc

第五步：

# git --version

git version 2.8.0

依照這個步驟安裝成功，指令差異在於編譯的時候：
成功

# make prefix=/usr/local/git all   

有錯誤

$ make configure
$ ./configure --prefix=/usr
$ make all doc info

問題：
這兩組指令的差別是什麼？