From 5a2cf2e273ba7de2d59631a30d9349670a725cb7 Mon Sep 17 00:00:00 2001
From: Ralf Jung <jung@mpi-sws.org>
Date: Thu, 27 May 2021 11:32:09 +0200
Subject: [PATCH] port a Makefile fix from Iris

---
 Makefile.coq.local | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Makefile.coq.local b/Makefile.coq.local
index 67a468e4..12e6f782 100644
--- a/Makefile.coq.local
+++ b/Makefile.coq.local
@@ -21,7 +21,8 @@ test: $(TESTFILES:.v=.vo)
 .PHONY: test
 
 COQ_TEST=$(COQTOP) $(COQDEBUG) -batch -test-mode
-COQ_MINOR_VERSION:=$(shell echo "$(COQ_VERSION)" | egrep '^[0-9]+\.[0-9]+\b' -o)
+# Need to make this a lazy variable (`=` instead of `:=`) since COQ_VERSION is only set later.
+COQ_MINOR_VERSION=$(shell echo "$(COQ_VERSION)" | egrep '^[0-9]+\.[0-9]+\b' -o)
 
 tests/.coqdeps.d: $(TESTFILES)
 	$(SHOW)'COQDEP TESTFILES'
-- 
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