diff --git a/src/mred/gc2/Makefile.in b/src/mred/gc2/Makefile.in
index d69f303df4..62a190a496 100644
--- a/src/mred/gc2/Makefile.in
+++ b/src/mred/gc2/Makefile.in
@@ -1,6 +1,13 @@
 
 srcdir = @srcdir@
 builddir = @builddir@
+prefix = @prefix@
+exec_prefix = @exec_prefix@
+bindir = @bindir@
+libdir = @libdir@
+libpltdir = @libpltdir@
+collectsdir = @collectsdir@
+
 
 # for version.mak:
 mainsrcdir = @srcdir@/../..