Description: Add DESTDIR variable to Makefile.in
  This patch adds a DESTDIR variable to the Makefile.in template in order
  to allow installation into a subdirectory when the package is built.
Author: Anselm Lingnau <lingnau@debian.org>

--- abcm2ps-7.8.9.orig/Makefile.in
+++ abcm2ps-7.8.9/Makefile.in
@@ -43,15 +43,15 @@ abcmfe: front.c front.h slre.h
 DOCFILES=$(addprefix $(srcdir)/,Changes License README *.abc *.eps *.txt)
 
 install: abcm2ps
-	mkdir -p $(bindir); \
-	mkdir -p $(datadir)/abcm2ps; \
-	mkdir -p $(docdir)/abcm2ps; \
-	$(INSTALL_PROGRAM) abcm2ps $(bindir)
+	mkdir -p $(DESTDIR)$(bindir); \
+	mkdir -p $(DESTDIR)$(datadir)/abcm2ps; \
+	mkdir -p $(DESTDIR)$(docdir)/abcm2ps; \
+	$(INSTALL_PROGRAM) abcm2ps $(DESTDIR)$(bindir)
 	for f in $(srcdir)/*.fmt; do \
-		$(INSTALL_DATA) $$f $(datadir)/abcm2ps; \
+		$(INSTALL_DATA) $$f $(DESTDIR)$(datadir)/abcm2ps; \
 	done
 	for f in $(DOCFILES); do \
-		$(INSTALL_DATA) $$f $(docdir)/abcm2ps; \
+		$(INSTALL_DATA) $$f $(DESTDIR)$(docdir)/abcm2ps; \
 	done
 
 uninstall:
