I can compile it without an issue:
Ls-iPad:~/tes root# make package
Making all for tweak tes...
Preprocessing tes.x...
Constants from lexical variables potentially modified elsewhere are deprecated at /private/var/theos/bin/lib/aliased.pm line 42.
Constants from lexical variables potentially modified elsewhere are deprecated at /private/var/theos/bin/lib/aliased.pm line 42.
Constants from lexical variables potentially modified elsewhere are deprecated at /private/var/theos/bin/lib/aliased.pm line 42.
Constants from lexical variables potentially modified elsewhere are deprecated at /private/var/theos/bin/lib/aliased.pm line 42.
Constants from lexical variables potentially modified elsewhere are deprecated at /private/var/theos/bin/lib/aliased.pm line 42.
Constants from lexical variables potentially modified elsewhere are deprecated at /private/var/theos/bin/lib/aliased.pm line 42.
Constants from lexical variables potentially modified elsewhere are deprecated at /private/var/theos/bin/lib/aliased.pm line 42.
Constants from lexical variables potentially modified elsewhere are deprecated at /private/var/theos/bin/lib/aliased.pm line 42.
Compiling tes.x...
Linking tweak tes...
Stripping tes...
Signing tes...
Making stage for tweak tes...
dpkg-deb: building package `com.yourcompany.tes' in `Packages/com.yourcompany.tes_0.0.1-1_iphoneos-arm.deb'.