From 09995c761c35cbb1f217fcf76365bd406157b8e6 Mon Sep 17 00:00:00 2001
From: Maxime Dénès <mail@maximedenes.fr>
Date: Tue, 6 Mar 2018 17:19:18 +0100
Subject: Make -warn-error fail on warnings emitted by coqc on stdlib.

We turn all Coq warnings that are on by default into errors.
---
 Makefile.build | 2 +-
 configure.ml   | 1 +
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/Makefile.build b/Makefile.build
index 84f86c99a..c100eda40 100644
--- a/Makefile.build
+++ b/Makefile.build
@@ -195,7 +195,7 @@ TIMER=$(if $(TIMED), $(STDTIME), $(TIMECMD))
 # the output format of the unix command time. For instance:
 #   TIME="%C (%U user, %S sys, %e total, %M maxres)"
 
-COQOPTS=$(NATIVECOMPUTE)
+COQOPTS=$(NATIVECOMPUTE) $(COQWARNERROR)
 BOOTCOQC=$(TIMER) $(COQTOPBEST) -boot $(COQOPTS) -compile
 
 LOCALINCLUDES=$(addprefix -I ,$(SRCDIRS))
diff --git a/configure.ml b/configure.ml
index 3a98e8892..c08e8dfcc 100644
--- a/configure.ml
+++ b/configure.ml
@@ -1339,6 +1339,7 @@ let write_makefile f =
   pr "WITHDOC=%s\n\n" (if !prefs.withdoc then "all" else "no");
   pr "# Option to produce precompiled files for native_compute\n";
   pr "NATIVECOMPUTE=%s\n" (if !prefs.nativecompiler then "-native-compiler" else "");
+  pr "COQWARNERROR=%s\n" (if !prefs.warn_error then "-w +default" else "");
   close_out o;
   Unix.chmod f 0o444
 
-- 
cgit v1.2.3