--- Makefile.unix.orig	1997-03-12 07:52:59.000000000 +0900
+++ Makefile.unix	2013-04-23 16:36:38.000000000 +0900
@@ -25,21 +25,22 @@
 
 OS = UNIX
 
-BINDIR = /usr/local/bin
+BINDIR ?= $(DESTDIR)$(PREFIX)/bin
 SCRIPTDIR = $(BINDIR)
-INCLUDEDIR = /usr/local/share/psutils
-PERL = /usr/local/bin/perl
+INCLUDEDIR ?= $(DESTDIR)$(DATADIR)
+PERL ?= $(PERL5)
 
-BINMODE = 0755
-MANMODE = 0644
-CHMOD = chmod
+BINMODE ?= 0755
+MANMODE ?= 0644
+CHMOD ?= chmod
 INSTALL = install -c -m $(BINMODE)
 INSTALLMAN = install -c -m $(MANMODE)
 MANEXT = 1
-MANDIR = /usr/local/share/man/man$(MANEXT)
+MANDIR ?= $(DESTDIR)$(PREFIX)/share/man/man$(MANEXT)
 
-CC = gcc
-CFLAGS = -DPAPER=\"$(PAPER)\" -DUNIX -O -Wall
+CC ?= gcc
+CFLAGS += -DLIBPAPER -DPAPER=\"$(PAPER)\" -I${LOCALBASE}/include -DUNIX -Wall
+LDFLAGS+= -L${LOCALBASE}/lib -lm -lpaper
 
 BIN = psbook psselect pstops epsffit psnup \
 	psresize
@@ -65,30 +66,30 @@
 epsffit.o: epsffit.c pserror.h patchlev.h
 
 epsffit: epsffit.o pserror.o
-	$(CC) $(CCFLAGS) -o epsffit pserror.o epsffit.o
+	$(CC) $(LDFLAGS) -o epsffit pserror.o epsffit.o
 
 psnup: psnup.o psutil.o psspec.o pserror.o
-	$(CC) $(CCFLAGS) -o psnup psutil.o psspec.o pserror.o psnup.o
+	$(CC) $(LDFLAGS) -o psnup psutil.o psspec.o pserror.o psnup.o
 
 psnup.o: psutil.h patchlev.h psspec.h pserror.h psnup.c
 
 psresize: psresize.o psutil.o pserror.o psspec.o
-	$(CC) $(CCFLAGS) -o psresize psutil.o psspec.o pserror.o psresize.o
+	$(CC) $(LDFLAGS) -o psresize psutil.o psspec.o pserror.o psresize.o
 
 psresize.o: psutil.h patchlev.h psspec.h pserror.h psresize.c
 
 psbook: psbook.o psutil.o pserror.o
-	$(CC) $(CCFLAGS) -o psbook psutil.o pserror.o psbook.o
+	$(CC) $(LDFLAGS) -o psbook psutil.o pserror.o psbook.o
 
 psbook.o: psutil.h patchlev.h pserror.h psbook.c
 
 psselect: psselect.o psutil.o pserror.o
-	$(CC) $(CCFLAGS) -o psselect psutil.o pserror.o psselect.o
+	$(CC) $(LDFLAGS) -o psselect psutil.o pserror.o psselect.o
 
 psselect.o: psutil.h patchlev.h pserror.h psselect.c
 
 pstops: pstops.o psutil.o psspec.o pserror.o
-	$(CC) $(CCFLAGS) -o pstops psutil.o psspec.o pserror.o pstops.o
+	$(CC) $(LDFLAGS) -o pstops psutil.o psspec.o pserror.o pstops.o
 
 pstops.o: psutil.h patchlev.h psspec.h pserror.h pstops.c
 
@@ -222,27 +223,27 @@
 	-mkdir $(BINDIR)
 	@for i in $(BIN); do \
 		echo Installing $$i; \
-		$(INSTALL) $$i $(BINDIR); \
+		$(BSD_INSTALL_PROGRAM) $$i $(BINDIR); \
 	done
 
 install.script: $(PERLSCRIPTS) $(SHELLSCRIPTS)
 	-mkdir $(SCRIPTDIR)
 	@for i in $(PERLSCRIPTS) $(SHELLSCRIPTS); do \
 		echo Installing $$i; \
-		$(INSTALL) $$i $(SCRIPTDIR); \
+		$(BSD_INSTALL_SCRIPT) $$i $(SCRIPTDIR); \
 	done
 
 install.include: $(INCLUDES)
 	-mkdir $(INCLUDEDIR)
 	@for i in $(INCLUDES); do \
 		echo Installing $$i; \
-		$(INSTALLMAN) $$i $(INCLUDEDIR); \
+		$(BSD_INSTALL_DATA) $$i $(INCLUDEDIR); \
 	done
 
 install.man: $(MANPAGES)
 	-mkdir $(MANDIR)
 	@for i in $(MANPAGES); do \
 		echo Installing manual page for $$i; \
-		$(INSTALLMAN) $$i $(MANDIR)/$$i; \
+		$(BSD_INSTALL_DATA) $$i $(MANDIR)/$$i; \
 	done