apt-get install autoconf

~# apt-get install autoconf
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following packages were automatically installed and are no longer required:
libopts25 libuuid-perl linux-base
Use ‘apt-get autoremove‘ to remove them.
The following extra packages will be installed:
m4
Suggested packages:
autoconf2.13 autoconf-archive gnu-standards autoconf-doc libtool
Recommended packages:
automake automaken
The following NEW packages will be installed:
autoconf m4
0 upgraded, 2 newly installed, 0 to remove and 21 not upgraded.
Need to get 849 kB of archives.
After this operation, 2333 kB of additional disk space will be used.
Do you want to continue [Y/n]? y
Get:1 http://cdn.debian.net/debian/ wheezy/main m4 amd64 1.4.16-3 [260 kB]
Get:2 http://cdn.debian.net/debian/ wheezy/main autoconf all 2.69-1 [589 kB]
Fetched 849 kB in 2s (292 kB/s)
[master d26e487] saving uncommitted changes in /etc prior to apt run
1 file changed, 1 insertion(+), 1 deletion(-)
debconf: delaying package configuration, since apt-utils is not installed
Selecting previously unselected package m4.
(Reading database ... 36493 files and directories currently installed.)
Unpacking m4 (from .../archives/m4_1.4.16-3_amd64.deb) ...
Selecting previously unselected package autoconf.
Unpacking autoconf (from .../autoconf_2.69-1_all.deb) ...
Processing triggers for man-db ...
Setting up m4 (1.4.16-3) ...
Setting up autoconf (2.69-1) ...
[master cf55972] committing changes in /etc after apt run
2 files changed, 20 insertions(+)
create mode 100644 emacs/site-start.d/50autoconf.el
Counting objects: 1251, done.
Delta compression using up to 2 threads.
Compressing objects: 100% (748/748), done.
Writing objects: 100% (1251/1251), done.
Total 1251 (delta 106), reused 1236 (delta 100)