+define specpkg_install_common
+ make install-$(tok) prefix=/usr DESTDIR=debian/$(p) perldir=$(specperl)
+endef
+
+specpkg_install_gdp: tok=gdp
+specpkg_install_gdp: specperl=/usr/share/dgit/gdp/perl5
+specpkg_install_gdp:
+ $(specpkg_install_common)
+ set -x; perl -i -pe 'next unless m/###substituted###/;' \
+ -e 's{^(git_playtree_setup)=.*}{$$1=/usr/share/$p/git-playtree-setup};' \
+ debian/$(p)/usr/bin/*
+