From 710adbb1e5a579c95e9c32612b444d373fc9b417 Mon Sep 17 00:00:00 2001
From: Lars Bilke <lars.bilke@ufz.de>
Date: Wed, 24 Feb 2021 09:24:27 +0100
Subject: [PATCH] Added zlib as CPM package.

---
 scripts/cmake/Dependencies.cmake | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/scripts/cmake/Dependencies.cmake b/scripts/cmake/Dependencies.cmake
index 8f0d50fbb7e..aa1afbd6445 100644
--- a/scripts/cmake/Dependencies.cmake
+++ b/scripts/cmake/Dependencies.cmake
@@ -133,7 +133,16 @@ CPMFindPackage(
 )
 
 if(OGS_USE_XDMF)
-    find_package(ZLIB REQUIRED) # ZLIB is a HDF5 dependency
+    # ZLIB is a HDF5 dependency
+    CPMFindPackage(
+        NAME ZLIB
+        GITHUB_REPOSITORY madler/zlib
+        VERSION 1.2.11
+        EXCLUDE_FROM_ALL YES
+    )
+    if(ZLIB_ADDED)
+        add_library(ZLIB::ZLIB ALIAS zlibstatic)
+    endif()
 
     string(REPLACE "." "_" HDF5_TAG ${ogs.minimum_version.hdf5})
     CPMFindPackage(
-- 
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