--- Macaulay2-0.9.95/include/config.Makefile.in.DESTDIR	2006-12-18 09:17:36.000000000 -0600
+++ Macaulay2-0.9.95/include/config.Makefile.in	2006-12-18 09:42:47.000000000 -0600
@@ -103,8 +103,8 @@
 # this might have to get changed manually, but hopefully not:
 MAINPACKAGE = Core
 
-prefix = @prefix@
-exec_prefix = @exec_prefix@
+prefix = $(DESTDIR)@prefix@
+exec_prefix = $(DESTDIR)@exec_prefix@
 
 ifeq "$(ENCAP)" "yes"
 encapdir = $(prefix)/$(package)
@@ -125,27 +125,11 @@
 # in autoconf >= 2.60, @datadir@ is replaced by ${datarootdir}, so we need to get its value here:
 datarootdir = @datarootdir@
 
-ifeq ($(findstring $(prefix),@infodir@),)
-$(error expected infodir @infodir@ to begin with $(prefix))
-endif
-ifeq ($(findstring $(prefix),@bindir@),)
-$(error expected bindir @bindir@ to begin with $(prefix))
-endif
-ifeq ($(findstring $(prefix),@datadir@),)
-$(error expected datadir @datadir@ to begin with $(prefix))
-endif
-ifeq ($(findstring $(prefix),@libdir@),)
-$(error expected libdir @libdir@ to begin with $(prefix))
-endif
-ifeq ($(findstring $(prefix),@mandir@),)
-$(error expected mandir @mandir@ to begin with $(prefix))
-endif
-
-infoRelDir = $(subst $(prefix)/,,@infodir@)
-binRelDir = $(subst $(prefix)/,,@bindir@)
-dataRelDir = $(subst $(prefix)/,,@datadir@)
-libRelDir = $(subst $(prefix)/,,@libdir@)
-manRelDir = $(subst $(prefix)/,,@mandir@)
+infoRelDir = $(subst $(prefix)/,,$(DESTDIR)@infodir@)
+binRelDir = $(subst $(prefix)/,,$(DESTDIR)@bindir@)
+dataRelDir = $(subst $(prefix)/,,$(DESTDIR)@datadir@)
+libRelDir = $(subst $(prefix)/,,$(DESTDIR)@libdir@)
+manRelDir = $(subst $(prefix)/,,$(DESTDIR)@mandir@)
 man1RelDir = $(manRelDir)/man1
 man3RelDir = $(manRelDir)/man3
 emacsRelDir = $(dataRelDir)/emacs/site-lisp