diff -rupN bgpq3-0.1.31.orig/Makefile.in bgpq3-0.1.31.new/Makefile.in
--- bgpq3-0.1.31.orig/Makefile.in	2015-06-23 12:30:57.000000000 +0000
+++ bgpq3-0.1.31.new/Makefile.in	2017-09-28 21:28:02.151987740 +0000
@@ -1,5 +1,5 @@
 CC=@CC@
-CFLAGS=@CFLAGS@ @DEFS@ -g -Wall -I. -O0
+CFLAGS=@CFLAGS@ @DEFS@ -g -Wall -I.
 LDADD=@LDFLAGS@ @LIBS@
 INSTALL=@INSTALL@
 
@@ -30,9 +30,10 @@ clean:
 	rm -rf *.o *.core core.* core
 
 install: bgpq3
-	${INSTALL} -c -s -m 755 bgpq3 @bindir@
-	if test ! -d @prefix@/man/man8 ; then mkdir -p @prefix@/man/man8 ; fi
-	${INSTALL} -m 644 bgpq3.8 @prefix@/man/man8
+	if test ! -d ${DESTDIR}@bindir@ ; then mkdir -p ${DESTDIR}@bindir@ ; fi
+	${INSTALL} -c -m 755 bgpq3 ${DESTDIR}@bindir@
+	if test ! -d ${DESTDIR}@prefix@/share/man/man8 ; then mkdir -p ${DESTDIR}@prefix@/share/man/man8 ; fi
+	${INSTALL} -m 644 bgpq3.8 ${DESTDIR}@prefix@/share/man/man8
 
 depend: 
 	makedepend -- $(CFLAGS) -- $(SRCS)