From 4d905135e8918be7cdf9f66d94fcf35c908a183f Mon Sep 17 00:00:00 2001
From: Automatic Release Builder <build@flightgear.org>
Date: Sun, 27 Sep 2020 11:15:28 +0100
Subject: [PATCH] Set optimisation flags for RelwithDebInfo

Ensure we use-O3 for AppImage (RelWithDebInfo) builds
---
 CMakeLists.txt | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index ccd3107a..57a1d89b 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -433,6 +433,10 @@ if(CMAKE_COMPILER_IS_GNUCXX)
     check_cxx_source_compiles(
        "int main() { unsigned mValue; return __sync_add_and_fetch(&mValue, 1); }"
         GCC_ATOMIC_BUILTINS_FOUND)
+
+      # override CMake default RelWithDebInfo flags.
+    set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "-O3 -g -DNDEBUG")
+    set(CMAKE_C_FLAGS_RELWITHDEBINFO  "-O3 -g -DNDEBUG")
 endif(CMAKE_COMPILER_IS_GNUCXX)
 
 if (CLANG)