Makefile: make customization of installation locations easier

Signed-off-by: Junio C Hamano <junkio@cox.net>
Signed-off-by: Jonas F Madsen <fonseca@diku.dk>

diff --git a/Makefile b/Makefile
index 75e694daca07d7569fc2b762aa30a4a7999cb29e..6d595f408d732dc96ec79841dfdfe14ca6257fe4 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -1,4 +1,8 @@
-PREFIX = $(HOME)
+prefix = $(HOME)
+bindir= $(prefix)/bin
+mandir = $(prefix)/man
+# DESTDIR=
+
 LDLIBS  = -lcurses
 CFLAGS = -Wall -O2
 DFLAGS = -g -DDEBUG -Werror
@@ -19,14 +23,15 @@ doc: $(DOCS)
 
 install: all
        for prog in $(PROGS); do \
-               install $$prog $(PREFIX)/bin; \
+               install $$prog $(DESTDIR)$(bindir); \
        done
 
 install-doc: doc
+       mkdir -p $(DESTDIR)$(mandir)/man1 $(DESTDIR)$(mandir)/man5
        for doc in $(DOCS); do \
                case "$$doc" in \
-               *.1) install $$doc $(PREFIX)/man/man1 ;; \
-               *.5) install $$doc $(PREFIX)/man/man5 ;; \
+               *.1) install $$doc $(DESTDIR)$(mandir)/man1 ;; \
+               *.5) install $$doc $(DESTDIR)$(mandir)/man5 ;; \
                esac \
        done