From 2f9d9eae5fb8fb1922b0e096e157987ac0df110e Mon Sep 17 00:00:00 2001
From: Roy Marples <roy@marples.name>
Date: Sun, 10 May 2020 16:09:54 +0100
Subject: privsep: Implement pledge(2) support as found on OpenBSD

---
 configure | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

(limited to 'configure')

diff --git a/configure b/configure
index b38fe6c1..98410a8f 100755
--- a/configure
+++ b/configure
@@ -663,6 +663,21 @@ EOF
 		echo "no"
 	fi
 	rm -f _capsicum.c _capsicum
+
+	printf "Testing for pledge ... "
+        cat <<EOF >_pledge.c
+#include <unistd.h>
+int main(void) {
+        return pledge("stdio", NULL);
+}
+EOF
+        if $XCC _pledge.c -o _pledge 2>&3; then
+                echo "yes"
+                echo "#define   HAVE_PLEDGE" >>$CONFIG_H
+        else
+                echo "no"
+        fi
+        rm -f _pledge.c _pledge
 fi
 
 if [ "$OS" = linux ]; then
-- 
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