From fcf31f3ff3c5325b767f1ff9e0c41de6881fbdc2 Mon Sep 17 00:00:00 2001
From: Howard Chu <hyc@symas.com>
Date: Mon, 4 Jan 2016 21:01:22 +0000
Subject: [PATCH] Cleanup symbol clashes, stdlib header

---
 external/unbound/CMakeLists.txt    | 2 +-
 external/unbound/config.h.cmake.in | 5 ++++-
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/external/unbound/CMakeLists.txt b/external/unbound/CMakeLists.txt
index 459ba860..839b21c7 100644
--- a/external/unbound/CMakeLists.txt
+++ b/external/unbound/CMakeLists.txt
@@ -141,7 +141,7 @@ set(common_src
 
 set(compat_src)
 
-foreach (symbol IN ITEMS ctime_r gmtime_r inet_aton inet_ntop inet_pton isblank malloc memcmp memmove snprintf strlcat strlcpy strptime explicit_bzero arc4random arc4random_uniform sha512 reallocarray)
+foreach (symbol IN ITEMS ctime_r gmtime_r inet_aton inet_ntop inet_pton isblank malloc memmove snprintf strlcat strlcpy strptime explicit_bzero arc4random arc4random_uniform reallocarray)
   string(TOUPPER "${symbol}" upper_sym)
   if (NOT HAVE_${upper_sym})
     list(APPEND compat_src
diff --git a/external/unbound/config.h.cmake.in b/external/unbound/config.h.cmake.in
index 9658c869..87c282f2 100644
--- a/external/unbound/config.h.cmake.in
+++ b/external/unbound/config.h.cmake.in
@@ -781,8 +781,11 @@
 #endif
 #include <assert.h>
 
-#if STDC_HEADERS
+#ifdef HAVE_STDLIB_H
 #include <stdlib.h>
+#endif
+
+#if STDC_HEADERS
 #include <stddef.h>
 #endif