From 39138496359f05d792d5d8d9e50d4d6384296280 Mon Sep 17 00:00:00 2001
From: Thomas Krijnen <t.krijnen@gmail.com>
Date: Sat, 21 Oct 2023 22:29:41 +0200
Subject: [PATCH] Use --start/end-group on linux to fix ld geomserver

---
 cmake/CMakeLists.txt | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/cmake/CMakeLists.txt b/cmake/CMakeLists.txt
index 1fc7b4b3e9..d57da2ab7d 100644
--- a/cmake/CMakeLists.txt
+++ b/cmake/CMakeLists.txt
@@ -415,9 +415,13 @@ if(BUILD_IFCGEOM)
         if(WASM_BUILD)
             set(OPENCASCADE_LIBRARIES ${OPENCASCADE_LIBRARIES} ${CMAKE_THREAD_LIBS_INIT})
         else()
-            # OPENCASCADE_LIBRARIES repeated N times below in order to fix cyclic dependencies - use --start-group ... --end-group instead?
+            # OPENCASCADE_LIBRARIES repeated N times below in order to fix cyclic dependencies
             # tfk: --start-group ... --end-group didn't work on the apple linker when last tested
-            set(OPENCASCADE_LIBRARIES ${OPENCASCADE_LIBRARIES} ${OPENCASCADE_LIBRARIES} ${OPENCASCADE_LIBRARIES} ${OPENCASCADE_LIBRARIES} ${OPENCASCADE_LIBRARIES} ${CMAKE_THREAD_LIBS_INIT})
+            if(APPLE)
+                set(OPENCASCADE_LIBRARIES ${OPENCASCADE_LIBRARIES} ${OPENCASCADE_LIBRARIES} ${OPENCASCADE_LIBRARIES} ${OPENCASCADE_LIBRARIES} ${OPENCASCADE_LIBRARIES} ${CMAKE_THREAD_LIBS_INIT})
+            else()
+                set(OPENCASCADE_LIBRARIES -Wl,--start-group ${OPENCASCADE_LIBRARIES} -Wl,--end-group ${CMAKE_THREAD_LIBS_INIT})
+            endif()
         endif()
         
         if(NOT APPLE AND NOT WIN32)