From 86dabfe7e424609719500a51b4bd4c1bc038bcf7 Mon Sep 17 00:00:00 2001
From: Andreas Schneider <asn@cryptomilk.org>
Date: Fri, 2 Nov 2018 16:42:06 +0100
Subject: [PATCH] cmake: Only check for bounded attribute on OpenBSD

Signed-off-by: Andreas Schneider <asn@cryptomilk.org>
---
 ConfigureChecks.cmake | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/ConfigureChecks.cmake b/ConfigureChecks.cmake
index 913cebd7..3530b579 100644
--- a/ConfigureChecks.cmake
+++ b/ConfigureChecks.cmake
@@ -370,6 +370,8 @@ int main(void) {
     return 0;
 }" HAVE_COMPILER__FUNCTION__)
 
+# This is only available with OpenBSD's gcc implementation */
+if (OPENBSD)
 check_c_source_compiles("
 #define ARRAY_LEN 16
 void test_attr(const unsigned char *k)
@@ -378,6 +380,7 @@ void test_attr(const unsigned char *k)
 int main(void) {
     return 0;
 }" HAVE_GCC_BOUNDED_ATTRIBUTE)
+endif(OPENBSD)
 
 # Stop treating warnings as errors
 unset(CMAKE_REQUIRED_FLAGS)