From 564f38396fbaeaae22b066fd36da5cd346305599 Mon Sep 17 00:00:00 2001
From: Gleb Popov <6yearold@gmail.com>
Date: Mon, 15 Mar 2021 10:25:20 +0300
Subject: [PATCH] Add CMake option to allow using system pugixml library

---
 cmake/fetch_pugixml.cmake | 17 ++++++++++++-----
 1 file changed, 12 insertions(+), 5 deletions(-)

diff --git a/cmake/fetch_pugixml.cmake b/cmake/fetch_pugixml.cmake
index b5f870bea..88ac3cf7b 100644
--- a/cmake/fetch_pugixml.cmake
+++ b/cmake/fetch_pugixml.cmake
@@ -18,9 +18,16 @@ message(" - fetch_pugixml")
 
 Include(FetchContent)
 
-FetchContent_Declare(
-  pugixml
-  GIT_REPOSITORY https://github.com/zeux/pugixml.git
-  GIT_TAG        v1.11.4)
+option(BUILD_PUGIXML "Build pugixml library, use system one otherwise" YES)
 
-FetchContent_MakeAvailable(pugixml)
+if(BUILD_PUGIXML)
+
+  FetchContent_Declare(
+    pugixml
+    GIT_REPOSITORY https://github.com/zeux/pugixml.git
+    GIT_TAG        v1.11.4)
+
+  FetchContent_MakeAvailable(pugixml)
+else()
+  find_package(pugixml REQUIRED)
+endif()