From 3b262389bc69e278cfb823cd26e3eae4a6099397 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ferenc=20G=C3=A9czi?= <ferenc.gm@gmail.com>
Date: Wed, 23 Nov 2022 00:00:00 +0000
Subject: [PATCH] [3party] Optionally allow building with packaged expat
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Signed-off-by: Ferenc Géczi <ferenc.gm@gmail.com>
---
 CMakeLists.txt                | 3 ++-
 coding/internal/xmlparser.hpp | 2 +-
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 116cc3b4ea..b88a0a4c73 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -297,7 +297,8 @@ set(EXPAT_BUILD_DOCS OFF)
 set(EXPAT_BUILD_PKGCONFIG OFF)
 set(EXPAT_ENABLE_INSTALL OFF)
 set(EXPAT_SHARED_LIBS OFF)
-add_subdirectory(3party/expat/expat)
+find_package_or_fallback_to_3party("expat" "2.5.0" "3party/expat/expat")
+
 add_subdirectory(3party/agg)
 add_subdirectory(3party/bsdiff-courgette)
 
diff --git a/coding/internal/xmlparser.hpp b/coding/internal/xmlparser.hpp
index a7b5070956..2fdf79c0d8 100644
--- a/coding/internal/xmlparser.hpp
+++ b/coding/internal/xmlparser.hpp
@@ -13,7 +13,7 @@
 #include <string>
 
 #define XML_STATIC
-#include "3party/expat/expat/lib/expat.h"
+#include <expat.h>
 
 #if defined(__clang__)
 #pragma clang diagnostic pop