From 6708debd4c2d2b74cea5891d6351024d2c2600fd Mon Sep 17 00:00:00 2001
From: Andreas Schneider <asn@cryptomilk.org>
Date: Mon, 13 Aug 2018 09:14:15 +0200
Subject: [PATCH] cmake: Fix check for bounded attribute

Signed-off-by: Andreas Schneider <asn@cryptomilk.org>
(cherry picked from commit e04a8b3abd87fd31eab550831c030000b87f83b4)
---
 ConfigureChecks.cmake | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/ConfigureChecks.cmake b/ConfigureChecks.cmake
index 07c53c73..d1c4d2ca 100644
--- a/ConfigureChecks.cmake
+++ b/ConfigureChecks.cmake
@@ -334,9 +334,13 @@ int main(void) {
 
 
 check_c_source_compiles("
-void chacha_keysetup(struct chacha_ctx *x, const u_char *k, u_int kbits)
-    __attribute__((__bounded__(__minbytes__, 2, CHACHA_MINKEYLEN)));
-int main(void) { return 0; }" HAVE_GCC_BOUNDED_ATTRIBUTE)
+#define ARRAY_LEN 16
+void test_attr(const unsigned char *k)
+    __attribute__((__bounded__(__minbytes__, 2, 16)));
+
+int main(void) {
+    return 0;
+}" HAVE_GCC_BOUNDED_ATTRIBUTE)
 
 if (WITH_DEBUG_CRYPTO)
   set(DEBUG_CRYPTO 1)