-# gawk and attr were no longer automatically installed in stretch,
-# looking back, i assume i got some error.
-# autoconf-archive due to come error
-pi ${pkgs[@]}
+case $(distro-name) in
+ fedora )
+ logq s yum-builddep -y emacs
+ logq pi texlive-dvipng
+ ;;&
+ debian|ubuntu|trisquel)
+ # todo: unknown for other distros, this will fail
+ logq p -y build-dep maildir-utils/$(debian-codename)
+ # oddly, on ubuntu 14.04 this installs postfix, but I dun care
+ # ubuntu 14.04 gave this error message
+ # Unable to satisfy the build-depends: Build-Depends: libpng-dev
+ # this is satisfied by dvipng. the build-dep is just wrong
+ # minor bug I'm not going to bother reporting.
+ #
+ # note, useful command to see build dep packagages:
+ # apt-rdepends --build-depends --follow=DEPENDS emacs25
+ logq p -y build-dep $latest_emacs
+ ;;&
+esac