From 3b89a26a5266f33dbfdf6968557de29a471098ab Mon Sep 17 00:00:00 2001
From: Jason Gross <jagro@google.com>
Date: Wed, 20 Jul 2016 15:37:24 -0700
Subject: Don't depend on the submodule; copy-paste instead

---
 .gitignore         |  1 -
 Makefile           | 21 ++++++++++++++-------
 Makefile.submodule | 35 -----------------------------------
 3 files changed, 14 insertions(+), 43 deletions(-)
 delete mode 100644 Makefile.submodule

diff --git a/.gitignore b/.gitignore
index 088f0262e..aeba9e55d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -7,7 +7,6 @@
 *~
 .#*
 /.dir-locals.el
-/submodule-update
 Makefile.bak
 Makefile.coq
 Makefile.coq.bak
diff --git a/Makefile b/Makefile
index 2cb9a1a63..c4c9f0c6b 100644
--- a/Makefile
+++ b/Makefile
@@ -2,24 +2,27 @@ MOD_NAME := Crypto
 SRC_DIR  := src
 STDTIME?=/usr/bin/time -f "$* (real: %e, user: %U, sys: %S, mem: %M ko)"
 
+VERBOSE?=
+SHOW := $(if $(VERBOSE),@true "",@echo "")
+HIDE := $(if $(VERBOSE),,@)
+
 .PHONY: coq clean update-_CoqProject cleanall install \
 	install-coqprime clean-coqprime coqprime \
 	specific non-specific
-.DEFAULT_GOAL := coq
 
--include Makefile.submodule
+SORT_COQPROJECT = sed 's,[^/]*/,~&,g' | env LC_COLLATE=C sort | sed 's,~,,g'
+
+FAST_TARGETS += archclean clean cleanall printenv clean-old update-_CoqProject Makefile.coq
+SUPER_FAST_TARGETS += update-_CoqProject Makefile.coq
 
-STRICT_COQDEP ?= 1
+-include Makefile.coq
 
--include etc/coq-scripts/Makefile.coq.common
+.DEFAULT_GOAL := coq
 
 update-_CoqProject::
 	$(SHOW)'ECHO > _CoqProject'
 	$(HIDE)(echo '-R $(SRC_DIR) $(MOD_NAME)'; echo '-R Bedrock Bedrock'; (git ls-files 'src/*.v' 'Bedrock/*.v' | $(SORT_COQPROJECT))) > _CoqProject
 
-clean::
-	rm -f submodule-update
-
 $(VOFILES): | coqprime
 
 # add files to this list to prevent them from being built by default
@@ -51,6 +54,10 @@ clean-coqprime:
 install-coqprime:
 	$(MAKE) -C $(COQPRIME_FOLDER) install
 
+Makefile.coq: Makefile _CoqProject
+	$(SHOW)'COQ_MAKEFILE -f _CoqProject > $@'
+	$(HIDE)$(COQBIN)coq_makefile -f _CoqProject | sed s'|^\(-include.*\)$$|ifneq ($$(filter-out $(FAST_TARGETS),$$(MAKECMDGOALS)),)~\1~else~ifeq ($$(MAKECMDGOALS),)~\1~endif~endif|g' | tr '~' '\n' | sed s'/^clean:$$/clean-old::/g' | sed s'/^clean::$$/clean-old::/g' | sed s'/^Makefile: /Makefile-old: /g' > $@
+
 cleanall:: clean clean-coqprime
 	rm -f .dir-locals.el
 
diff --git a/Makefile.submodule b/Makefile.submodule
deleted file mode 100644
index 78f301210..000000000
--- a/Makefile.submodule
+++ /dev/null
@@ -1,35 +0,0 @@
-ifneq (,$(wildcard .git)) # if we're in a git repo
-
-# if the submodule changed, update it
-SUBMODULE_DIFF=$(shell git diff etc/coq-scripts 2>&1 | grep 'Subproject commit')
-SUBMODULE_DIRTY=$(shell git diff etc/coq-scripts 2>&1 | grep dirty)
-ifneq (,$(SUBMODULE_DIRTY))
-submodule-update::
-	@ echo "\033[0;31mThe submodule is dirty; some scripts may fail.\033[0m"
-	@ echo "\033[0;31mRun (cd etc/coq-scripts && git clean -xfd && git reset --hard)\033[0m"
-else
-ifneq (,$(SUBMODULE_DIFF))
-submodule-update::
-	git submodule sync && \
-	git submodule update --init && \
-	touch "$@"
-endif
-endif
-
-ifeq (,$(wildcard submodule-update))
-submodule-update::
-	git submodule sync && \
-	git submodule update --init && \
-	touch "$@"
-else
-submodule-update::
-endif
-
-etc/coq-scripts/Makefile.coq.common etc/coq-scripts/compatibility/Makefile.coq.compat_84_85 etc/coq-scripts/compatibility/Makefile.coq.compat_84_85-early: submodule-update
-	@ touch "$@"
-endif
-
-FAST_TARGETS += clean-doc etc/coq-scripts etc/coq-scripts/Makefile.coq.common etc/coq-scripts/compatibility/Makefile.coq.compat_84_85 etc/coq-scripts/compatibility/Makefile.coq.compat_84_85-early submodule-update
-SUPER_FAST_TARGETS += submodule-update
-
-Makefile.coq: etc/coq-scripts/Makefile.coq.common etc/coq-scripts/compatibility/Makefile.coq.compat_84_85 etc/coq-scripts/compatibility/Makefile.coq.compat_84_85-early
-- 
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