--- Makefile.orig	2015-09-20 09:07:55.000000000 -0500
+++ Makefile	2018-11-21 08:52:05.000000000 -0600
@@ -5,10 +5,10 @@
 #
 
 
-C=gcc
+C=g++
 CFLAGS=-c -Wall 
-LDFLAGS= -lm -lstdc++
-SOURCES=sunwait.cpp sunriset.cpp print.cpp sunwait.h sunriset.h print.h
+LDFLAGS= -lm
+SOURCES=sunwait.cpp sunriset.cpp print.cpp
 OBJECTS=$(SOURCES:.cpp=.o)
 EXECUTABLE=sunwait
 
@@ -24,4 +24,4 @@
 	rm -f *.o sunwait
 
 install:
-	install -D -m 755 sunwait $(DESTDIR)/usr/bin/sunwait
+	install -D -m 755 sunwait $(DESTDIR)%PREFIX%/bin/sunwait