From 84ce2dfd5b63c9821b6da62daa16b944014a6021 Mon Sep 17 00:00:00 2001
From: Stefano Zacchiroli <zack@upsilon.cc>
Date: Wed, 16 Apr 2003 10:05:09 +0000
Subject: [PATCH] added ocamlfind trick to trigger rebuild when some library's
 .cma has been changed

---
 helm/hbugs/broker/Makefile |  4 ++++
 helm/hbugs/client/Makefile | 12 ++++++++----
 helm/hbugs/common/Makefile |  4 ++++
 helm/hbugs/tutors/Makefile | 11 +++++++----
 4 files changed, 23 insertions(+), 8 deletions(-)

diff --git a/helm/hbugs/broker/Makefile b/helm/hbugs/broker/Makefile
index a5b1e9af5..fe1bf71e9 100644
--- a/helm/hbugs/broker/Makefile
+++ b/helm/hbugs/broker/Makefile
@@ -20,6 +20,8 @@ CTL = ./hbugs_broker_ctl.sh
 
 OBJS = $(patsubst %,%.cmo,$(MODULES))
 OBJSOPT = $(patsubst %,%.cmx,$(MODULES))
+DEPS = $(shell $(OCAMLFIND) query -recursive -predicates byte -format "%d/%a" $(REQUIRES))
+DEPSOPT = $(shell $(OCAMLFIND) query -recursive -predicates native -format "%d/%a" $(REQUIRES))
 
 all: byte
 byte: $(NAME)
@@ -41,6 +43,8 @@ depend:
 %.cmx: %.ml %.cmi
 	$(OCAMLOPT) -c $<
 include Makefile.overrides
+$(OBJS): $(DEPS)
+$(OBJSOPT): $(DEPSOPT)
 $(NAME): $(OBJS) $(NAME).ml
 	$(OCAMLC) -linkpkg -thread -o $@ $^
 $(NAME).opt: $(OBJSOPT) $(NAME).ml
diff --git a/helm/hbugs/client/Makefile b/helm/hbugs/client/Makefile
index 4ac9af006..19491ded7 100644
--- a/helm/hbugs/client/Makefile
+++ b/helm/hbugs/client/Makefile
@@ -5,6 +5,10 @@ PREDICATES = glade init
 COMMONOPTS = -package "$(REQUIRES)" -predicates "$(PREDICATES)"
 OCAMLC = OCAMLPATH="$(METADIR)" ocamlfind ocamlc $(COMMONOPTS)
 OCAMLOPT = OCAMLPATH="$(METADIR)" ocamlfind ocamlopt $(COMMONOPTS)
+OCAMLFIND = ocamlfind
+
+DEPS = $(shell $(OCAMLFIND) query -recursive -predicates byte -format "%d/%a" $(REQUIRES))
+DEPSOPT = $(shell $(OCAMLFIND) query -recursive -predicates native -format "%d/%a" $(REQUIRES))
 
 all: byte
 world: byte opt
@@ -23,10 +27,10 @@ hbugs_client.cmo: hbugs_client.ml hbugs_client.cmi
 	$(OCAMLC) -c $<
 hbugs_client.cmx: hbugs_client.ml hbugs_client.cmi
 	$(OCAMLOPT) -c $<
-$(NAME): hbugs_client_gui.cmo $(NAME).cmo main.ml
-	$(OCAMLC) -thread -package threads -linkpkg -o $@ $^
-$(NAME).opt: hbugs_client_gui.cmx $(NAME).cmx main.ml
-	$(OCAMLOPT) -thread -package threads -linkpkg -o $@ $^
+$(NAME): $(DEPS) hbugs_client_gui.cmo $(NAME).cmo main.ml
+	$(OCAMLC) -thread -package threads -linkpkg -o $@ hbugs_client_gui.cmo $(NAME).cmo main.ml
+$(NAME).opt: $(DEPSOPT) hbugs_client_gui.cmx $(NAME).cmx main.ml
+	$(OCAMLOPT) -thread -package threads -linkpkg -o $@ hbugs_client_gui.cmx $(NAME).cmx main.ml
 clean:
 	rm -f *.cm[aixo] *.cmxa *.[oa] $(NAME){,.opt} hbugs_client_gui.ml
 distclean: clean
diff --git a/helm/hbugs/common/Makefile b/helm/hbugs/common/Makefile
index 3a3d96821..94c354f04 100644
--- a/helm/hbugs/common/Makefile
+++ b/helm/hbugs/common/Makefile
@@ -18,6 +18,8 @@ MODULES =	\
 
 OBJS = $(patsubst %,%.cmo,$(MODULES))
 OBJSOPT = $(patsubst %,%.cmx,$(MODULES))
+DEPS = $(shell $(OCAMLFIND) query -recursive -predicates byte -format "%d/%a" $(REQUIRES))
+DEPSOPT = $(shell $(OCAMLFIND) query -recursive -predicates native -format "%d/%a" $(REQUIRES))
 
 all: byte
 byte: $(OBJS)
@@ -38,6 +40,8 @@ depend:
 %.cmx: %.ml %.cmi
 	$(OCAMLOPT) -c $<
 include Makefile.overrides
+$(OBJS): $(DEPS)
+$(OBJSOPT): $(DEPSOPT)
 
 distclean: clean
 clean:
diff --git a/helm/hbugs/tutors/Makefile b/helm/hbugs/tutors/Makefile
index 65c559bd5..fe6331ee4 100644
--- a/helm/hbugs/tutors/Makefile
+++ b/helm/hbugs/tutors/Makefile
@@ -19,6 +19,9 @@ GENERATED_TUTORS_SRC = $(patsubst %,%.ml,$(GENERATED_TUTORS))
 COMMON = hbugs_deity.cmo hbugs_tutors_common.cmo
 COMMON_OPT = $(patsubst %.cmo,%.cmx,$(COMMON))
 
+DEPS = $(shell $(OCAMLFIND) query -recursive -predicates byte -format "%d/%a" $(REQUIRES))
+DEPSOPT = $(shell $(OCAMLFIND) query -recursive -predicates native -format "%d/%a" $(REQUIRES))
+
 all: byte
 world: byte opt
 byte: $(TUTORS)
@@ -30,10 +33,10 @@ stop:
 
 $(GENERATED_TUTORS_SRC): $(TUTORS_TEMPLATE) $(TUTORS_INDEX)
 	$(BUILD_TUTORS)
-%_tutor: $(COMMON) %_tutor.ml
-	$(OCAMLC) $(LINK_OPTIONS) -o $@ $^
-%_tutor.opt: $(COMMON_OPT) %_tutor.ml
-	$(OCAMLOPT) $(LINK_OPTIONS) -o $@ $^
+%_tutor: $(DEPS) $(COMMON) %_tutor.ml
+	$(OCAMLC) $(LINK_OPTIONS) -o $@ $(COMMON) $*_tutor.ml
+%_tutor.opt: $(DEPSOPT) $(COMMON_OPT) %_tutor.ml
+	$(OCAMLOPT) $(LINK_OPTIONS) -o $@ $(COMMON_OPT) $*_tutor.ml
 
 %.cmi: %.mli
 	$(OCAMLC) -c $<
-- 
2.39.2