From c1b5c8cabd91db3812b5f3fba2b617f7f5a95aa2 Mon Sep 17 00:00:00 2001
From: Silas Parker <skyhisi@user.github.invalid.com>
Date: Thu, 9 Mar 2017 19:21:40 +0800
Subject: [PATCH] fops_zip: require libz

---
 CMakeLists.txt | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index f7ad1013..579faa4d 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -659,8 +659,12 @@ if (LWS_WITH_RANGES)
 endif()
 
 if (LWS_WITH_ZIP_FOPS)
-	list(APPEND SOURCES
-		lib/fops-zip.c)
+       if (LWS_WITH_ZLIB)
+               list(APPEND SOURCES
+                       lib/fops-zip.c)
+       else()
+               message(FATAL_ERROR "Pre-zipped file support (LWS_WITH_ZIP_FOPS) requires ZLIB (LWS_WITH_ZLIB)")
+       endif()
 endif()
 
 # Add helper files for Windows.