Use DESTDIR during  install/uninstall, this helps
with cross or staged builds. Additionally pass LDFLAGS
during linking.

Signed-off-by: Khem Raj <raj.khem@gmail.com>
Upstream-Status: Pending


Index: ssmtp-2.64/Makefile.in
===================================================================
--- ssmtp-2.64.orig/Makefile.in
+++ ssmtp-2.64/Makefile.in
@@ -46,40 +46,40 @@ all: ssmtp
 
 .PHONY: install
 install: ssmtp $(GEN_CONFIG)
-	$(INSTALL) -d -m 755 $(bindir)
-	$(INSTALL) -s -m 755 ssmtp $(bindir)/ssmtp
-	$(INSTALL) -d -m 755 $(mandir)
-	$(INSTALL) -m 644 $(srcdir)/ssmtp.8 $(mandir)/ssmtp.8
-	$(INSTALL) -d -m 755 $(SSMTPCONFDIR)
-	$(INSTALL) -m 644 $(srcdir)/revaliases $(INSTALLED_REVALIASES_FILE)
-	$(GEN_CONFIG) $(INSTALLED_CONFIGURATION_FILE)
+	$(INSTALL) -d -m 755 $(DESTDIR)$(bindir)
+	$(INSTALL) -m 755 ssmtp $(DESTDIR)$(bindir)/ssmtp
+	$(INSTALL) -d -m 755 $(DESTDIR)$(mandir)
+	$(INSTALL) -m 644 $(srcdir)/ssmtp.8 $(DESTDIR)$(mandir)/ssmtp.8
+	$(INSTALL) -d -m 755 $(DESTDIR)$(SSMTPCONFDIR)
+	$(INSTALL) -m 644 $(srcdir)/revaliases $(DESTDIR)$(INSTALLED_REVALIASES_FILE)
+	$(GEN_CONFIG) $(DESTDIR)$(INSTALLED_CONFIGURATION_FILE)
 
 
 .PHONY: install-sendmail
 install-sendmail: install
-	$(RM) $(bindir)/sendmail
-	$(LN_S) ssmtp $(bindir)/sendmail
-	$(INSTALL) -d -m 755 $(libexecdir)
-	$(RM) $(libexecdir)/sendmail
-	$(LN_S) sendmail /lib/sendmail
-	$(RM) $(mandir)/sendmail.8
-	$(LN_S) ssmtp.8 $(mandir)/sendmail.8
+	$(RM) $(DESTDIR)$(bindir)/sendmail
+	$(LN_S) ssmtp $(DESTDIR)$(bindir)/sendmail
+	$(INSTALL) -d -m 755 $(DESTDIR)$(libexecdir)
+	$(RM) $(DESTDIR)$(libexecdir)/sendmail
+	$(LN_S) sendmail $(DESTDIR)/lib/sendmail
+	$(RM) $(DESTDIR)$(mandir)/sendmail.8
+	$(LN_S) ssmtp.8 $(DESTDIR)$(mandir)/sendmail.8
 
 .PHONY: uninstall
 uninstall:
-	$(RM) $(bindir)/ssmtp
-	$(RM) $(mandir)/ssmtp.8
-	$(RM) $(CONFIGURATION_FILE) $(REVALIASES_FILE)
-	$(RM) -r $(SSMTPCONFDIR)
+	$(RM) $(DESTDIR)$(bindir)/ssmtp
+	$(RM) $(DESTDIR)$(mandir)/ssmtp.8
+	$(RM) $(DESTDIR)$(CONFIGURATION_FILE) $(DESTDIR)$(REVALIASES_FILE)
+	$(RM) -r $(DESTDIR)$(SSMTPCONFDIR)
 
 .PHONY: uninstall-sendmail
 uninstall-sendmail: uninstall
-	$(RM)  $(bindir)/sendmail /lib/sendmail
-	$(RM)  $(mandir)/sendmail.8
+	$(RM)  $(DESTDIR)$(bindir)/sendmail $(DESTDIR)/lib/sendmail
+	$(RM)  $(DESTDIR)$(mandir)/sendmail.8
 
 # Binaries:
 ssmtp: $(OBJS)
-	$(CC) -o ssmtp $(OBJS) @LIBS@ $(CFLAGS)
+	$(CC) -o ssmtp $(OBJS) @LIBS@ $(CFLAGS) $(LDFLAGS)
 
 .PHONY: clean
 clean: