From 7bcc8dca27041e2b03855508fe54d435d816a78f Mon Sep 17 00:00:00 2001
From: Nick Wellnhofer <wellnhofer@aevum.de>
Date: Thu, 22 Sep 2022 12:59:13 +0200
Subject: [PATCH] cmake: Fix build with libxslt and libxml2 as subprojects

Fixes https://gitlab.gnome.org/GNOME/libxml2/-/issues/416
---
 CMakeLists.txt | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index d44034e4..db3957d9 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -32,7 +32,9 @@ include(CheckSymbolExists)
 include(CMakePackageConfigHelpers)
 include(GNUInstallDirs)
 
-find_package(LibXml2 CONFIG REQUIRED)
+if(NOT TARGET LibXml2)
+	find_package(LibXml2 CONFIG REQUIRED)
+endif()
 
 option(BUILD_SHARED_LIBS "Build shared libraries" ON)
 option(LIBXSLT_WITH_DEBUGGER "Add the debugging support" ON)