diff -Nru txt2man-1.5.6.orig/Makefile txt2man-1.5.6/Makefile
--- txt2man-1.5.6.orig/Makefile	2011-03-16 22:45:13.000000000 +0100
+++ txt2man-1.5.6/Makefile	2014-03-25 16:50:16.379181287 +0100
@@ -1,5 +1,6 @@
 # Makefile
 prefix ?= /usr/local
+datadir ?= $(prefix)/share
 version = txt2man-1.5.6
 BIN = src2man bookman txt2man
 MAN1 = src2man.1 txt2man.1 bookman.1
@@ -7,9 +8,9 @@
 all: $(MAN1)
 
 install: $(MAN1)
-	mkdir -p $(prefix)/bin $(prefix)/man/man1
+	mkdir -p $(prefix)/bin $(datadir)/man/man1
 	cp $(BIN) $(prefix)/bin/
-	cp $(MAN1) $(prefix)/man/man1
+	cp $(MAN1) $(datadir)/man/man1
 
 clean:
 	rm -f *.1 *.txt *.ps *.pdf *.html