From cf503d65bf38512a89fd44e94346a3ffe56d4f40 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Tue, 14 Sep 2010 19:04:14 +0200
Subject: Support fall-back dependency tracking

---
 build/bootstrap.make | 17 ++++++++++++++++-
 odb/makefile         |  4 ++--
 2 files changed, 18 insertions(+), 3 deletions(-)

diff --git a/build/bootstrap.make b/build/bootstrap.make
index 4eaa564..1372a1e 100644
--- a/build/bootstrap.make
+++ b/build/bootstrap.make
@@ -46,12 +46,27 @@ $(error dist_prefix is not set)
 endif
 endif
 
-# Don't include dependency info for certain targets.
+# If we don't have dependency auto-generation then we need to manually
+# make sure that generated files are generated before C++ file are
+# compiler. To do this we make the object files ($2) depend in order-
+# only on generated files ($3).
 #
+ifeq ($(cxx_id),generic)
+
+define include-dep
+$(if $2,$(eval $2: | $3))
+endef
+
+else
+
 define include-dep
 $(call -include,$1)
 endef
 
+endif
+
+# Don't include dependency info for certain targets.
+#
 ifneq ($(filter $(MAKECMDGOALS),clean disfigure dist),)
 include-dep =
 endif
diff --git a/odb/makefile b/odb/makefile
index 15439da..6e8790f 100644
--- a/odb/makefile
+++ b/odb/makefile
@@ -56,8 +56,6 @@ $(odb.l): $(cxx_obj) -lpthread
 $(cxx_obj) $(cxx_od): $(odb.l.cpp-options) $(out_base)/details/config.h
 $(odb.l.cpp-options): value := -I$(out_root) -I$(src_root)
 
-$(call include-dep,$(cxx_od))
-
 $(out_base)/details/config.h:
 	@echo '// file      : odb/details/config.h'                      >$@
 	@echo '// author    : automatically generated'                  >>$@
@@ -69,6 +67,8 @@ $(out_base)/details/config.h:
 	@echo ''                                                        >>$@
 	@echo '#endif // ODB_DETAILS_CONFIG_H'                          >>$@
 
+$(call include-dep,$(cxx_od),$(cxx_obj),$(out_base)/details/config.h)
+
 # Convenience alias for default target.
 #
 $(out_base)/: $(odb.l)
-- 
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