Updated the patch to remove the correct file (Install.log.gz).
Cheers,
-Hilko
--- yasnippet-0.9.0~beta1/debian/emacsen-install.orig
+++ yasnippet-0.9.0~beta1/debian/emacsen-install
@@ -27,12 +27,11 @@
# Create symlinks to the .el files (see section 6E in debian-emacs
# polcy). This makes complation easy, and also allows find-function
# and find-library to work properly.
-(cd ${elc_dir} && cp -s ../../../emacs/site-lisp/yasnippet/*.el .)
+(cd ${elc_dir} && cp -sf ../../../emacs/site-lisp/yasnippet/*.el .)
# Byte compile them
(cd ${elc_dir}
set +e
+ rm -f Install.log.gz
${FLAVOR} ${byte_compile_options} *.el > Install.log 2>&1
if test $? -ne 0
then