diff --git a/Source/Makefile.in b/Source/Makefile.in
index a9f8bbba7..c3fc64ee9 100644
--- a/Source/Makefile.in
+++ b/Source/Makefile.in
@@ -92,7 +92,7 @@ GNU_NEXT_INCLUDES = -I$(srcdir)
 NEXT_INCLUDES = @NEXT_INCLUDES@
 
 ALL_INCLUDE_FLAGS = -I. -I./srcdir-include $(NEXT_INCLUDES) $(INCLUDEFLAGS)
-ALL_CPPFLAGS = $(ALL_INCLUDE_FLAGS) $(CPPFLAGS)
+ALL_CPPFLAGS = -include include/config.h $(ALL_INCLUDE_FLAGS) $(CPPFLAGS)
 ALL_CFLAGS = $(CFLAGS)
 ALL_OBJCFLAGS = $(CFLAGS) -Wno-protocol
 
@@ -637,6 +637,9 @@ Makefile: $(srcdir)/Makefile.in ../config.status
 	cd ..; $(SHELL) config.status
 ../config.status:
 	cd ..; $(SHELL) configure --no-create
+include/config.h.in: $(srcdir)/../configure.in $(srcdir)/../acconfig.h
+	cd ..; $(SHELL) autoheader
+include/config.h: include/config.h.in
 
 TAGS: $(DIST_FILES)
 	etags $(DIST_FILES)