From e9f3bf6bb10262906ee910764cfcdcbb18f3994b Mon Sep 17 00:00:00 2001
From: smf- <smf-@users.noreply.github.com>
Date: Thu, 26 Jul 2012 19:46:56 +0000
Subject: [PATCH] don't build 64 bit functions when the prototype isn't defined
 in the .h

---
 src/lib/zlib/adler32.c | 4 ++++
 src/lib/zlib/crc32.c   | 4 ++++
 2 files changed, 8 insertions(+)

diff --git a/src/lib/zlib/adler32.c b/src/lib/zlib/adler32.c
index a868f073d8a..006d1e4cd9d 100644
--- a/src/lib/zlib/adler32.c
+++ b/src/lib/zlib/adler32.c
@@ -170,6 +170,8 @@ uLong ZEXPORT adler32_combine(adler1, adler2, len2)
     return adler32_combine_(adler1, adler2, len2);
 }
 
+#ifdef Z_LARGE64
+
 uLong ZEXPORT adler32_combine64(adler1, adler2, len2)
     uLong adler1;
     uLong adler2;
@@ -177,3 +179,5 @@ uLong ZEXPORT adler32_combine64(adler1, adler2, len2)
 {
     return adler32_combine_(adler1, adler2, len2);
 }
+
+#endif
diff --git a/src/lib/zlib/crc32.c b/src/lib/zlib/crc32.c
index 979a7190a3c..988ac6d4180 100644
--- a/src/lib/zlib/crc32.c
+++ b/src/lib/zlib/crc32.c
@@ -416,6 +416,8 @@ uLong ZEXPORT crc32_combine(crc1, crc2, len2)
     return crc32_combine_(crc1, crc2, len2);
 }
 
+#ifdef Z_LARGE64
+
 uLong ZEXPORT crc32_combine64(crc1, crc2, len2)
     uLong crc1;
     uLong crc2;
@@ -423,3 +425,5 @@ uLong ZEXPORT crc32_combine64(crc1, crc2, len2)
 {
     return crc32_combine_(crc1, crc2, len2);
 }
+
+#endif