--- Makefile.orig	2002-10-12 19:28:00.000000000 +0200
+++ Makefile	2014-07-27 16:43:13.000000000 +0200
@@ -1,23 +1,23 @@
 #configureable stuff
-PREFIX ?= /usr/local
-BINDIR ?= $(PREFIX)/bin
-MANDIR ?= $(PREFIX)/share/man/man1
-LIBDIR ?= $(PREFIX)/lib/sendip
+#PREFIX ?= /usr/local
+BINDIR=${DESTDIR}${PREFIX}/bin
+MANDIR=${DESTDIR}${PREFIX}/share/man/man1
+LIBDIR=${DESTDIR}${PREFIX}/lib/sendip
 #For most systems, this works
-INSTALL ?= install
+INSTALL?=install
 #For Solaris, you may need
 #INSTALL=/usr/ucb/install
 
-CFLAGS=	-fPIC -fsigned-char -pipe -Wall -Wpointer-arith -Wwrite-strings \
-			-Wstrict-prototypes -Wnested-externs -Winline -Werror -g -Wcast-align \
-			-DSENDIP_LIBS=\"$(LIBDIR)\"
+CFLAGS+=	-fPIC -fsigned-char -pipe -Wall -Wpointer-arith -Wwrite-strings \
+			-Wstrict-prototypes -Wnested-externs -Winline -Werror -Wcast-align \
+			-DSENDIP_LIBS=\"${LIBDIR}\"
 #-Wcast-align causes problems on solaris, but not serious ones
-LDFLAGS=	-g -rdynamic -lm
+LDFLAGS+=	-rdynamic -lm
 #LDFLAGS_SOLARIS= -g -lsocket -lnsl -lm
 LDFLAGS_SOLARIS= -g -lsocket -lnsl -lm -ldl
 LDFLAGS_LINUX= -g  -rdynamic -ldl -lm
 LIBCFLAGS= -shared
-CC=	gcc
+#CC=	gcc
 
 PROGS= sendip
 BASEPROTOS= ipv4.so ipv6.so
@@ -39,7 +39,7 @@
 $(CC) -o $@ $(LDFLAGS) $(CFLAGS) $+ ; \
 fi"
 
-sendip.1:	./help2man $(PROGS) $(PROTOS) VERSION
+sendip.1:	help2man $(PROGS) $(PROTOS) VERSION
 			./help2man -n "Send arbitrary IP packets" -N >sendip.1
 
 sendip.spec:	sendip.spec.in VERSION