+ install -d $prefix/include/thunderbird-$ver/nss
+ cp -vLf dist/private/nss/*.h dist/public/nss/*.h \
+ $prefix/include/thunderbird-$ver/nss
+ ln -sfv thunderbird-$ver $prefix/lib/thunderbird
+ ln -sfv thunderbird-$ver $prefix/include/thunderbird
+
+ cd $prefix/lib/thunderbird-$ver