From: Azat Khuzhin <a3at.mail@gmail.com>
Date: Tue, 9 Aug 2016 07:56:34 +0000 (+0300)
Subject: cmake: check for ZLIB_INCLUDE_DIR, since we can have only library without headers
X-Git-Tag: release-2.1.6-beta~15^2~2
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=c4dfb93ff2bfdd1b76f3e9f402c28528e5bc24bf;p=libevent

cmake: check for ZLIB_INCLUDE_DIR, since we can have only library without headers
---

diff --git a/CMakeLists.txt b/CMakeLists.txt
index b857d377..cad9d57b 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -702,7 +702,7 @@ if (NOT EVENT__DISABLE_TESTS)
     # Zlib is only used for testing.
     find_package(ZLIB)
 
-    if (ZLIB_LIBRARY)
+    if (ZLIB_LIBRARY AND ZLIB_INCLUDE_DIR)
         include_directories(${ZLIB_INCLUDE_DIRS})
 
         set(EVENT__HAVE_ZLIB 1)
@@ -982,7 +982,7 @@ if (NOT EVENT__DISABLE_TESTS)
                 list(APPEND SRC_REGRESS test/regress_thread.c)
             endif()
 
-            if (ZLIB_LIBRARY)
+            if (ZLIB_LIBRARY AND ZLIB_INCLUDE_DIR)
                 list(APPEND SRC_REGRESS test/regress_zlib.c)
             endif()