Add support for destdir to select where to install HaChu

diff --git a/Makefile b/Makefile
index 792578e..1ff6163 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -3,6 +3,7 @@ srcdir = .
 CC?=gcc
 CFLAGS?= -O2 -s
 
+prefix=/usr
 DATADIR=`xboard --show-config Datadir`
 
 ALL= hachu hachu.6.gz
@@ -13,10 +14,10 @@ hachu: hachu.c
        $(CC) $(CFLAGS) $(LDFLAGS) hachu.c -o hachu
 
 install: ${ALL} ${srcdir}/svg/*
-       install -d -m0755 $(DESTDIR)/usr/games
-       cp -u ${srcdir}/hachu $(DESTDIR)/usr/games
-       install -d -m0755 $(DESTDIR)/usr/share/man/man6
-       cp -u ${srcdir}/hachu.6.gz $(DESTDIR)/usr/share/man/man6
+       install -d -m0755 $(DESTDIR)$(prefix)/games
+       cp -u ${srcdir}/hachu $(DESTDIR)$(prefix)/games
+       install -d -m0755 $(DESTDIR)$(prefix)/share/man/man6
+       cp -u ${srcdir}/hachu.6.gz $(DESTDIR)$(prefix)/share/man/man6
        install -d -m0755 $(DESTDIR)$(DATADIR)/themes/chu
        cp -u ${srcdir}/svg/*.svg $(DESTDIR)$(DATADIR)/themes/chu
        install -d -m0755 $(DESTDIR)$(DATADIR)/themes/conf
@@ -50,8 +51,8 @@ dist:
        rmdir HaChu
 
 uninstall:
-       rm -f $(DESTDIR)/usr/share/man/man6/hachu.6.gz
-       rm -f $(DESTDIR)/usr/games/hachu
+       rm -f $(DESTDIR)$(prefix)/share/man/man6/hachu.6.gz
+       rm -f $(DESTDIR)$(prefix)/games/hachu
        rm -f $(DESTDIR)/usr/share/games/plugins/logos/hachu.png
        rm -f $(DESTDIR)/usr/share/games/plugins/xboard/hachu.eng