diff -Naur telxcc-2.5.3.old/Makefile telxcc-2.5.3/Makefile
--- telxcc-2.5.3.old/Makefile	2016-03-30 15:05:59.499500092 +0200
+++ telxcc-2.5.3/Makefile	2016-03-30 15:08:08.678856928 +0200
@@ -1,8 +1,7 @@
 CC = gcc
-CCFLAGS = -m64 -march=core2 -std=gnu99 -O3 -Wall -pedantic
 LD = ld
 LDFLAGS =
-DEST = /usr/local
+DEST = $(DESTDIR)/usr/
 
 OBJS = telxcc.o
 EXEC = telxcc
@@ -12,7 +11,7 @@
 strip : $(EXEC)
 	-strip $<
 
-man : telxcc.1.gz
+man : telxcc.1
 
 .PHONY : clean
 clean :
@@ -22,27 +21,28 @@
 	$(CC) $(LDFLAGS) -o $@ $(OBJS)
 
 %.o : %.c
-	$(CC) -c $(CCFLAGS) -o $@ $<
+	$(CC) -c $(CFLAGS) -o $@ $<
 
 %.1.gz : %.1
 	gzip -c -9 $< > $@
 
 profiled :
-	make CCFLAGS="$(CCFLAGS) -fprofile-generate" LDFLAGS="$(LDFLAGS) -fprofile-generate" $(EXEC)
+	make CFLAGS="$(CFLAGS) -fprofile-generate" LDFLAGS="$(LDFLAGS) -fprofile-generate" $(EXEC)
 	find . -type f -iname \*.ts -exec sh -c './telxcc -1 -c -v -p 888 < "{}" > /dev/null 2>> profile.log' \;
 	find . -type f -iname \*.ts -exec sh -c './telxcc -s -v -p 888 < "{}" > /dev/null 2>> profile.log' \;
 	find . -type f -iname \*.ts -exec sh -c './telxcc -1 -v -t 8192 -p 777 < "{}" > /dev/null 2>> profile.log' \;
 	find . -type f -iname \*.ts -exec sh -c './telxcc < "{}" > /dev/null 2>> profile.log' \;
 	find . -type f -iname \*.m2ts -exec sh -c './telxcc -1 -v -m -c < "{}" > /dev/null 2>> profile.log' \;
 	make clean
-	make CCFLAGS="$(CCFLAGS) -fprofile-use" LDFLAGS="$(LDFLAGS) -fprofile-use" $(EXEC)
+	make CFLAGS="$(CFLAGS) -fprofile-use" LDFLAGS="$(LDFLAGS) -fprofile-use" $(EXEC)
 	-rm -f $(OBJS) *.gcda *.gcno *.dyn pgopti.dpi pgopti.dpi.lock
 
-install : strip man
-	sudo cp telxcc $(DEST)/bin
-	sudo mkdir -p $(DEST)/share/man/man1
-	sudo cp telxcc.1.gz $(DEST)/share/man/man1
+install : man
+	mkdir -p $(DEST)/bin
+	cp telxcc $(DEST)/bin
+	mkdir -p $(DEST)/share/man/man1
+	cp telxcc.1 $(DEST)/share/man/man1
 
 uninstall :
-	sudo rm $(DEST)/bin/telxcc
-	sudo rm $(DEST)/share/man/man1/telxcc.1.gz
+	rm $(DEST)/bin/telxcc
+	rm $(DEST)/share/man/man1/telxcc.1