From b06bafe3cd55b892e42c49635dacff61503220dd Mon Sep 17 00:00:00 2001
From: Chris Hennes <chennes@gmail.com>
Date: Tue, 23 Sep 2025 17:46:18 -0500
Subject: [PATCH] libE57Format: Check for IPO before enabling

---
 src/3rdParty/libE57Format/CMakeLists.txt | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/3rdParty/libE57Format/CMakeLists.txt b/src/3rdParty/libE57Format/CMakeLists.txt
index b0aec3aeaf..b087e8530e 100644
--- a/src/3rdParty/libE57Format/CMakeLists.txt
+++ b/src/3rdParty/libE57Format/CMakeLists.txt
@@ -132,6 +132,12 @@ else()
 	add_library( E57Format STATIC ${E57Format_SOURCES})
 endif()
 
+include(CheckIPOSupported)
+check_ipo_supported(RESULT ipo_ok OUTPUT ipo_msg)
+if(NOT ipo_ok)
+	set(E57_RELEASE_LTO Off)
+endif()
+
 include( E57ExportHeader )
 include( GitUpdate )