--- a/lib/Makefile.in
+++ b/lib/Makefile.in
@@ -38,7 +38,7 @@
 stripslash.c xgetcwd.c xmalloc.c xstrdup.c userspec.c yesno.c \
 fileblocks.c fnmatch.c ftruncate.c mkdir.c mktime.c rename.c rmdir.c stpcpy.c \
 strdup.c strstr.c strtol.c alloca.c long-options.c \
-memcmp.c memcpy.c memset.c
+memcmp.c memcpy.c memset.c xstrtol.c xstrtoul.c
 
 OBJECTS = getdate.o posixtm.o \
 argmatch.o backupfile.o basename.o dirname.o \
@@ -46,11 +46,11 @@
 getversion.o group-member.o idcache.o isdir.o long-options.o makepath.o \
 modechange.o obstack.o safe-read.o savedir.o \
 stripslash.o xgetcwd.o xmalloc.o xstrdup.o userspec.o yesno.o \
-@LIBOBJS@ @ALLOCA@
+xstrtol.o xstrtoul.o @LIBOBJS@ @ALLOCA@
 
 DISTFILES = Makefile.in backupfile.h getopt.h long-options.h modechange.h \
 fnmatch.h fsusage.h group-member.h makepath.h mountlist.h obstack.h pathmax.h \
-getdate.c posixtm.c error.h $(SOURCES)
+getdate.c posixtm.c error.h xstrtol.h xstrtoul.h $(SOURCES)
 
 all: libfu.a