[Bug-gnuzilla] failed building gnuzilla/icecat 31.4 - rename: not enough arguments

[ferriswheel]

hello,

below is the error i get when building gnuzilla/icecat from repo source.

my distro is funtoo (gentoo derived).

system rename cmd is from funtoo pkg 'sys-apps/util-linux-2.25.2'

what version of rename should i have installed?



regard

john

==========
Running modification-aware sed: sed 350,+1 d -i debian/build/rules.mk
Running modification-aware sed: sed s/^MOZ_APP_NAME\t.*/MOZ_APP_NAME\t\t:= 
icecat/; -i debian/build/config.mk
Running modification-aware sed: sed s/^MOZ_PKG_NAME\t.*/MOZ_PKG_NAME\t\t:= 
icecat/; -i debian/build/config.mk
Running modification-aware sed: sed /mozilla.*png/d -i ./browser/base/jar.mn
Running modification-aware sed: sed s/<a\ 
href\=\"http\:\/\/www.mozilla.org\/\">Mozilla\ Project<\/a>/<a\ 
href\=\"http\:\/\/www.gnu.org\/\"\>GNU\ Project<\/a>/g -i 
browser/base/content/overrides/app-license.html
rename: not enough arguments

Usage:
 rename [options] <expression> <replacement> <file>...

Options:
 -v, --verbose    explain what is being done
 -s, --symlink    act on the target of symlinks

 -h, --help     display this help and exit
 -V, --version  output version information and exit

For more details see rename(1).