From 2ec81876eb59bb3e7c544774aa222988c1f574c4 Mon Sep 17 00:00:00 2001
From: Sebastiano Tronto <sebastiano@tronto.net>
Date: Mon, 10 Jun 2024 22:43:34 +0200
Subject: Fix build errors on OpenBSD

---
 configure.sh      | 9 +++++++--
 src/cube_public.h | 6 +++---
 test/test.sh      | 5 ++++-
 3 files changed, 14 insertions(+), 6 deletions(-)

diff --git a/configure.sh b/configure.sh
index 60e375a..d5586db 100755
--- a/configure.sh
+++ b/configure.sh
@@ -2,8 +2,13 @@
 
 cc=${CC:-cc}
 
-detectarch() { ${cc} -march=native -dM -E - </dev/null | grep "$1"; }
-detectsan() { ${cc} -fsanitize=$1 -dM -E -x c - </dev/null | grep "SANITIZE"; }
+detectarch() {
+	${cc} -march=native -dM -E - </dev/null 2>/dev/null | grep "$1"
+}
+detectsan() {
+	${cc} -fsanitize=$1 -dM -E -x c - </dev/null 2>/dev/null \
+		| grep "SANITIZE"
+}
 
 [ -n "$(detectarch __AVX2__)" ] && detected="AVX2"
 [ -n "$(detectarch __ARM_NEON)" ] && detected="NEON"
diff --git a/src/cube_public.h b/src/cube_public.h
index 7f7b81c..ade8778 100644
--- a/src/cube_public.h
+++ b/src/cube_public.h
@@ -1,7 +1,7 @@
-int check(cube_t, char [static 22]);
+int check_error(cube_t, char [static 22]);
 
 int
-check(cube_t cube, char result[static 22])
+check_error(cube_t cube, char result[static 22])
 {
 	if (!isconsistent(cube)) {
 		writecube("B32", zero, result);
@@ -25,7 +25,7 @@ nissy_compose(
 
 	res = compose(c, p);
 
-	return check(res, result);
+	return check_error(res, result);
 }
 
 int
diff --git a/test/test.sh b/test/test.sh
index 3adee3a..8e50cf5 100755
--- a/test/test.sh
+++ b/test/test.sh
@@ -1,6 +1,9 @@
 #!/bin/sh
 
-detectsan() { cc -fsanitize=$1 -dM -E -x c - </dev/null | grep "SANITIZE"; }
+detectsan() {
+	cc -fsanitize=$1 -dM -E -x c - </dev/null 2>/dev/null \
+		| grep "SANITIZE"
+}
 
 re="${TEST:-$@}"
 
-- 
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