From df3b26506453866c608bc0155293716a17a351b9 Mon Sep 17 00:00:00 2001
From: Tomas Berger <tomashimberg.berger@technipfmc.com>
Date: Mon, 24 Aug 2020 15:46:51 +0200
Subject: [PATCH] Add option to CMakeLists.txt to disable renaming of zconf.h.

---
 CMakeLists.txt | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 1ca10ab1..fbe4f1fe 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -65,7 +65,8 @@ if(MSVC)
     include_directories(${CMAKE_CURRENT_SOURCE_DIR})
 endif()
 
-if(NOT CMAKE_CURRENT_SOURCE_DIR STREQUAL CMAKE_CURRENT_BINARY_DIR)
+option(RENAME_ZCONF "Rename the zconf when building out of source" ON)
+if(NOT CMAKE_CURRENT_SOURCE_DIR STREQUAL CMAKE_CURRENT_BINARY_DIR AND RENAME_ZCONF)
     # If we're doing an out of source build and the user has a zconf.h
     # in their source tree...
     if(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/zconf.h)