--- xc-4.3.2/Makefile
+++ xc-4.3.2/Makefile
@@ -5,21 +5,24 @@
 
 SHELL	= /bin/sh
 
+DESTDIR =
+
 #WARN 	= -Wall -ansi -pedantic -Wshadow -Wmissing-prototypes
 
 #machine = -m486
-CC	= gcc 
-GCCOPT	= -pipe -O2 -fno-strength-reduce -fomit-frame-pointer $(machine) 
+#CC	= gcc 
+GCCOPT	= -fno-strength-reduce 
 #GCCOPT	= -O -g
-CDEFS	= -D_POSIX_SOURCE=1
+CDEFS	= -D_XOPEN_SOURCE
-CFLAGS	= $(WARN) $(CDEFS) $(GCCOPT)
+CFLAGS	+= $(WARN) $(CDEFS) $(GCCOPT)
 
-prefix	= /usr/local
+prefix	= /usr
 bindir	= $(prefix)/bin
 libdir	= $(prefix)/lib/xc 
-mandir	= /usr/man/man1
+mandir	= /usr/share/man
+man1dir = $(mandir)/man1
 catdir	= /var/catman/cat1
-manown	= -o root -g man
+manown	= -o root -g root
 binown	= -o root -g root 
 
 export CC CFLAGS manown binown
@@ -37,7 +39,7 @@
 # 	gs -sDEVICE=ljet4 -dNOPAUSE -sOutputFile=$@ $<
 
 INSTALL	= install
-LDFLAGS	= -ltermcap editline/libedit.a
+LIBS	+= -lncurses editline/libedit.a
 NROFF 	= groff -mandoc
 
 # defines for use with cextract under Linux
@@ -56,7 +58,7 @@
 	@echo "Now you may execute 'make install'"
 
 xc:	$(OBJS) eline
-	$(CC) $(CFLAGS) $(OBJS) -o xc $(LDFLAGS) 
+	$(CC) $(CFLAGS) $(LDFLAGS) $(OBJS) -o xc $(LIBS) 
 
 uninstall:
 	rm -f $(bindir)/xc $(mandir)/xc.1 $(catdir)/xc.1.*
@@ -64,10 +66,9 @@
 
 install: ./bin/xc ./bin/crc xc.1 crc.1
 	@echo " "
-	$(INSTALL) $(binown) -m 755 -s ./bin/xc $(bindir) 
-	$(INSTALL) $(binown) -m 755 -s ./bin/crc $(bindir) 
-	$(INSTALL) $(manown) -m 644 xc.1 $(mandir)
-	$(INSTALL) $(manown) -m 644 crc.1 $(mandir)
+	$(INSTALL) -d -m755 $(DESTDIR)$(bindir) $(DESTDIR)$(man1dir)
+	$(INSTALL) $(binown) -m 755 xc crc $(DESTDIR)$(bindir)
+	$(INSTALL) $(manown) -m 644 xc.1 crc.1 $(DESTDIR)$(man1dir)
 	@echo " "
 	@echo " "
 	@echo "You will want to manually install 'phonelist' and"
--- xc-4.3.2/xcsubs.c
+++ xc-4.3.2/xcsubs.c
@@ -23,7 +23,6 @@
 	 *tgetstr(), *tgoto();
 int	LI,	/* One less than screen length in termcap entry */
 	CO;	/* Screen width */
-speed_t ospeed; /* Used by termcap lib */
 static char tc[LG_BUFF];	/* termcap buffer */
 static char tbuf[LG_BUFF], *CD, *CF, *CL, *CM, *CN, *AE, *SE, *SO, *ME;
 char *CE, PC; /* used by termcap -- padding character */

limit the 32bit crc to 32bits

add simple usage

--- xc-4.3.2/crc.c
+++ xc-4.3.2/crc.c
@@ -152,7 +152,7 @@ char *name;
 		}
 		crc32 = oldcrc32;  oldcrc = oldcrc32 = ~oldcrc32;
 
-		printf("%08lx %7ld ", oldcrc, charcnt);
+		printf("%08lx %7ld ", oldcrc & 0xffffffff, charcnt);
 		if (Block == 128)
 			printf("%5ld+%3ld ", charcnt/Block, charcnt%Block);
 		if (Block == 1024)
@@ -170,6 +170,10 @@ char **argv;
 {
     register errors = 0;
 
+    if (argc == 1) {
+	puts("Usage: crc [-x|-k] <files>\n  -x  pad to 128 bytes\n  -k  pad to 1024 bytes");
+	exit(0);
+    }
     if (argc > 1) {
 	if (!strcmp(argv[1], "-x")) {
 	    Block = 128;
--- xc-4.3.2/editline/Makefile.orig	2013-03-02 21:15:29.667344872 +0400
+++ xc-4.3.2/editline/Makefile	2013-03-02 21:15:38.434344313 +0400
@@ -34,7 +34,7 @@
 LDFLAGS = -ltermcap
 
 ##  Set ranlib as appropriate:
-RANLIB	= ranlib
+RANLIB	?= ranlib
 #RANLIB	= echo
 
 ##  End of configuration.
@@ -70,6 +70,6 @@
 
 libedit.a:	$(OBJECTS)
 	@rm -f $@
-	ar r $@ $(OBJECTS)
+	$(AR) r $@ $(OBJECTS)
 	$(RANLIB) $@