From 1e1ad66e9030c90f56840d9658be4ff543e8e2a2 Mon Sep 17 00:00:00 2001
From: Jonathan G Rennison <j.g.rennison@gmail.com>
Date: Wed, 16 Aug 2023 16:05:12 +0100
Subject: [PATCH] CMake: Use -ffile-prefix-map to trim build directory from
 debug output

---
 cmake/CompileFlags.cmake | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/cmake/CompileFlags.cmake b/cmake/CompileFlags.cmake
index 9510e1f6bf..e7bd698104 100644
--- a/cmake/CompileFlags.cmake
+++ b/cmake/CompileFlags.cmake
@@ -92,6 +92,8 @@ macro(compile_flags)
             #  break anything. So disable strict-aliasing to make the
             #  compiler all happy.
             -fno-strict-aliasing
+
+            "-ffile-prefix-map=${CMAKE_SOURCE_DIR}/=/"
         )
 
         if(NOT CMAKE_BUILD_TYPE)