From e90df45519dd259c263603f48fd6307760a9d7b9 Mon Sep 17 00:00:00 2001
From: Valentin Bartenev <vbart@nginx.com>
Date: Sun, 23 Dec 2012 16:04:14 +0000
Subject: [PATCH] Configure: added the NGX_ZLIB define.

This was introduced for conditional compilation of the code that requires
the zlib library.
---
 auto/lib/zlib/conf | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/auto/lib/zlib/conf b/auto/lib/zlib/conf
index cefc874b2..26db642ac 100644
--- a/auto/lib/zlib/conf
+++ b/auto/lib/zlib/conf
@@ -9,11 +9,13 @@ if [ $ZLIB != NONE ]; then
     case "$NGX_CC_NAME" in
 
         msvc* | owc* | bcc)
+            have=NGX_ZLIB . auto/have
             LINK_DEPS="$LINK_DEPS $ZLIB/zlib.lib"
             CORE_LIBS="$CORE_LIBS $ZLIB/zlib.lib"
         ;;
 
         icc*)
+            have=NGX_ZLIB . auto/have
             LINK_DEPS="$LINK_DEPS $ZLIB/libz.a"
 
             # to allow -ipo optimization we link with the *.o but not library
@@ -30,6 +32,7 @@ if [ $ZLIB != NONE ]; then
         ;;
 
         *)
+            have=NGX_ZLIB . auto/have
             LINK_DEPS="$LINK_DEPS $ZLIB/libz.a"
             CORE_LIBS="$CORE_LIBS $ZLIB/libz.a"
             #CORE_LIBS="$CORE_LIBS -L $ZLIB -lz"
@@ -45,7 +48,7 @@ else
         # FreeBSD, Solaris, Linux
 
         ngx_feature="zlib library"
-        ngx_feature_name=
+        ngx_feature_name="NGX_ZLIB"
         ngx_feature_run=no
         ngx_feature_incs="#include <zlib.h>"
         ngx_feature_path=