+# The following is needed in order to install a simple file in $(libdir)
+# which is shared with other installed packages. We use a list of referencing
+# packages so that "make uninstall" will remove the file if and only if it
+# is not used by another installed package.
+
+all-local: charset.alias ref-add.sed ref-del.sed
+install-exec-local: all-local
+ $(mkinstalldirs) $(DESTDIR)$(libdir)
+ test -f $(charset_alias) \
+ && orig=$(charset_alias) \
+ || orig=charset.alias; \
+ sed -f ref-add.sed $$orig > $(charset_tmp)
+ $(INSTALL_DATA) $(charset_tmp) $(charset_alias)
+ rm -f $(charset_tmp)
+
+uninstall-local: all-local
+ if test -f $(charset_alias); then \
+ sed -f ref-del.sed $(charset_alias) > $(charset_tmp); \
+ if grep '^# Packages using this file: $$' $(charset_tmp) \
+ > /dev/null; then \
+ rm -f $(charset_alias); \
+ else \
+ $(INSTALL_DATA) $(charset_tmp) $(charset_alias); \
+ fi; \
+ rm -f $(charset_tmp); \
+ fi
+
+charset.alias: config.charset
+ $(SHELL) $(srcdir)/config.charset '@host@' > t-$@
+ mv t-$@ $@
+.sin.sed:
+ sed -e '/^#/d' -e 's/@''PACKAGE''@/@PACKAGE@/g' $< > $@-t
+ mv $@-t $@
+