I'm using emacs-snapshot (testing) on debian (testing). PSPP is installed and after an update of emacs-snapshot I get:
Install cmake-data for emacs-snapshot
install/cmake-data: Byte-compiling for emacs-snapshot
Wrote /usr/share/emacs-snapshot/site-lisp/cmake-data/cmake-mode.elc
Install dictionaries-common for emacs-snapshot
install/dictionaries-common: Skipping byte-compilation for emacs-snapshot
Install pspp for emacs-snapshot
install/pspp: Handling install for emacsen flavor emacs-snapshot
Loading /etc/emacs/site-start.d/00debian-vars.el (source)...
Loading /etc/emacs-snapshot/site-start.d/00emacs-snapshot-common.el (source)...
Loading /etc/emacs/site-start.d/50cmake-data.el (source)...
Loading /etc/emacs/site-start.d/50dictionaries-common.el (source)...
Skipping dictionaries-common setup for emacs-snapshot
Loading /etc/emacs/site-start.d/50pspp.el (source)...
Loading /etc/emacs/site-start.d/50psvn.el (source)...
Loading /usr/share/emacs/site-lisp/ess-12.09-2/lisp/ess-site...
>>Error occurred processing pspp-mode.el: error (("Unmatched bracket or quote"))
Wrote /root/.emacs.d/ac-comphist.dat
Saving file /root/.ido.last...
Wrote /root/.ido.last
ERROR: install script from pspp package failed
The bug seems to exist in pspp-mode.el and after removing PSPP the emacs-snapshot compiles.