From 2c77efbde1cd77ca2b06bfc1efbee12d0368538e Mon Sep 17 00:00:00 2001
From: Alexander Bock <alexander.bock@liu.se>
Date: Mon, 5 May 2025 19:49:34 +0200
Subject: [PATCH] Compile fix for Linux arch (#3642)

---
 src/CMakeLists.txt | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 3c341a8b82..ddc9b49769 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -466,6 +466,17 @@ target_include_directories(openspace-core
 
 target_link_libraries(openspace-core PUBLIC nlohmann_json)
 
+if (UNIX)
+  # On Arch Linux, if you have the package `oneapi` installed, this influences including
+  # the <exception> header and causes the header /usr/include/oneapi/tbb/task_group.h be
+  # pulled in, causing a compile problem
+  target_compile_definitions(
+    openspace-core
+      PUBLIC "_GLIBCXX_USE_TBB_PAR_BACKEND=0"
+      PUBLIC "_PSTL_PAR_BACKEND_SERIAL"
+  )
+endif ()
+
 target_precompile_headers(openspace-core PRIVATE
   <openspace/json.h>
   <openspace/properties/numericalproperty.h>