diff -U2 --recursive yorick-2.1.orig/Makefile yorick-2.1/Makefile
--- yorick-2.1.orig/Makefile	2005-11-14 03:01:56.000000000 +0600
+++ yorick-2.1/Makefile	2008-03-19 09:34:30.000000000 +0600
@@ -84,15 +84,16 @@
 Y_BINDIR=
 Y_DOCDIR=
+Y_INCDIR=
 install: yorexe gistexe docs
-	./instally.sh +both "$(INSTALL_ROOT)" "$(Y_BINDIR)" "$(Y_DOCDIR)"
+	./instally.sh +both "$(INSTALL_ROOT)" "$(Y_BINDIR)" "$(Y_DOCDIR)" "$(Y_INCDIR)"
 
 install1: yorexe gistexe
-	./instally.sh +home "$(INSTALL_ROOT)" "$(Y_BINDIR)" "$(Y_DOCDIR)"
+	./instally.sh +home "$(INSTALL_ROOT)" "$(Y_BINDIR)" "$(Y_DOCDIR)" "$(Y_INCDIR)"
 
 uninstall:
-	./instally.sh -both "$(INSTALL_ROOT)" "$(Y_BINDIR)" "$(Y_DOCDIR)"
+	./instally.sh -both "$(INSTALL_ROOT)" "$(Y_BINDIR)" "$(Y_DOCDIR)" "$(Y_INCDIR)"
 
 uninstall1:
-	./instally.sh -home "$(INSTALL_ROOT)" "$(Y_BINDIR)" "$(Y_DOCDIR)"
+	./instally.sh -home "$(INSTALL_ROOT)" "$(Y_BINDIR)" "$(Y_DOCDIR)" "$(Y_INCDIR)"
 
 dist: siteclean
diff -U2 --recursive yorick-2.1.orig/instally.sh yorick-2.1/instally.sh
--- yorick-2.1.orig/instally.sh	2005-09-19 05:03:40.000000000 +0700
+++ yorick-2.1/instally.sh	2008-03-19 09:40:19.000000000 +0600
@@ -41,4 +41,10 @@
 fi
 
+if test -n "$5"; then
+  Y_INCDIR="$5"
+else
+  Y_INCDIR="$Y_HOME/include"
+fi
+
 EXE_SFX=`grep '^EXE_SFX=' Make.cfg | sed -e 's/^EXE_SFX=//'`
 
@@ -49,7 +55,9 @@
 touch ./junk.tst
 if test -f "$Y_HOME"/junk.tst; then
-  for sub in include lib bin; do rm -rf "$Y_HOME"/$sub; done
+  for sub in lib bin; do rm -rf "$Y_HOME"/$sub; done
+  rm -rf "$Y_INCDIR"
   rm -f "$Y_HOME"/Make* "$Y_HOME"/install*
 else
+  rm -rf "$Y_INCDIR"
   rm -rf "$Y_HOME"
 fi
@@ -81,5 +89,5 @@
 $YNSTALL $YGP "$Y_HOME"
 $YNSTALL $YGP "$Y_HOME/i-start"
-$YNSTALL $YGP "$Y_HOME/include"
+$YNSTALL $YGP "$Y_INCDIR"
 $YNSTALL $YGP "$Y_HOME/lib"
 if test -n "$3"; then
@@ -95,10 +103,10 @@
   hconfig=play/unix/config.h
 fi
-$YNSTALL $YGP $hconfig play/*.h gist/*.h yorick/*.h "$Y_HOME/include"
+$YNSTALL $YGP $hconfig play/*.h gist/*.h yorick/*.h "$Y_INCDIR"
 touch ./junk.tst
 if test -f "$Y_HOME/junk.tst"; then
   :
 else
-  $YNSTALL $YGP LICENSE Make.cfg Makepkg Makeexe Makedll "$Y_HOME"
+  $YNSTALL $YGP Make.cfg Makepkg Makeexe Makedll "$Y_HOME"
 fi
 rm -f ./junk.tst