From: Stephane Glondu <steph@glondu.net>
Date: Tue, 19 Oct 2010 12:00:55 +0200
Subject: [PATCH] Fix mixed implicit and normal rules

This fixes build with GNU Make 3.82. See threads:

  https://sympa-roc.inria.fr/wws/arc/coqdev/2010-10/msg00025.html
  http://thread.gmane.org/gmane.comp.gnu.make.bugs/4912

Signed-off-by: Stephane Glondu <steph@glondu.net>
---
 Makefile        |   10 ++++++++++
 Makefile.common |   15 +++++++++------
 2 files changed, 19 insertions(+), 6 deletions(-)

diff --git a/Makefile b/Makefile
index 975ece0..908dbd6 100644
--- a/Makefile
+++ b/Makefile
@@ -160,9 +160,19 @@ else
 stage1 $(STAGE1_TARGETS) : always
 	$(call stage-template,1)
 
+ifneq (,$(STAGE1_IMPLICITS))
+$(STAGE1_IMPLICITS) : always
+	$(call stage-template,1)
+endif
+
 stage2 $(STAGE2_TARGETS) : stage1
 	$(call stage-template,2)
 
+ifneq (,$(STAGE2_IMPLICITS))
+$(STAGE2_IMPLICITS) : stage1
+	$(call stage-template,2)
+endif
+
 # Nota:
 # - world is one of the targets in $(STAGE2_TARGETS), hence launching
 # "make" or "make world" leads to recursion into stage1 then stage2
diff --git a/Makefile.common b/Makefile.common
index cc38980..46bf217 100644
--- a/Makefile.common
+++ b/Makefile.common
@@ -365,7 +365,7 @@ DATE=$(shell LANG=C date +"%B %Y")
 
 SOURCEDOCDIR=dev/source-doc
 
-CAML_OBJECT_PATTERNS:=%.cmo %.cmx %.cmi %.cma %.cmxa %.cmxs %.dep.ps %.dot
+CAML_OBJECT_PATTERNS:=%.cmo %.cmx %.o %.cmi %.cma %.cmxa %.a %.cmxs %.dep.ps %.dot
 
 ### Targets forwarded by Makefile to a specific stage:
 
@@ -374,10 +374,12 @@ CAML_OBJECT_PATTERNS:=%.cmo %.cmx %.cmi %.cma %.cmxa %.cmxs %.dep.ps %.dot
 STAGE1_TARGETS:= $(STAGE1) $(COQDEPBOOT) \
   $(GENFILES) \
   source-doc revision toplevel/mltop.byteml toplevel/mltop.optml \
-  $(STAGE1_ML4:.ml4=.ml4-preprocessed) %.o
+  $(STAGE1_ML4:.ml4=.ml4-preprocessed)
+
+STAGE1_IMPLICITS:=
 
 ifdef CM_STAGE1
- STAGE1_TARGETS+=$(CAML_OBJECT_PATTERNS)
+ STAGE1_IMPLICITS+=$(CAML_OBJECT_PATTERNS)
 endif
 
 ## Enumeration of targets that require being done at stage2
@@ -402,12 +404,13 @@ STAGE2_TARGETS:=$(COQBINARIES) lib kernel byterun library proofs tactics \
   printers debug initplugins plugins \
   world install coqide coqide-files coq coqlib \
   coqlight states check init theories theories-light \
-  $(DOC_TARGETS) $(VO_TARGETS) validate \
-  %.vo %.glob states/% install-% %.ml4-preprocessed \
+  $(DOC_TARGETS) $(VO_TARGETS) validate
+
+STAGE2_IMPLICITS:= %.vo %.glob states/% install-% %.ml4-preprocessed \
   $(DOC_TARGET_PATTERNS)
 
 ifndef CM_STAGE1
- STAGE2_TARGETS+=$(CAML_OBJECT_PATTERNS)
+ STAGE2_IMPLICITS+=$(CAML_OBJECT_PATTERNS)
 endif
 
 
--