From 92db741c5363142d437a36b88b6aa50c57224ad8 Mon Sep 17 00:00:00 2001
From: Cristi Mitrana <mitu+retropie@fastmail.fm>
Date: Fri, 3 Jan 2020 12:17:43 +0200
Subject: [PATCH] Define _DEBUG for Debug builds

---
 CMakeLists.txt | 4 ++++
 README.md      | 5 +++++
 2 files changed, 9 insertions(+)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 9542da48c..54908acc8 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -114,6 +114,10 @@ else()
     add_definitions(-DUSE_OPENGLES_10)
 endif()
 
+# Enable additional defines for the Debug build configuration
+set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -D_DEBUG")
+set(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -D_DEBUG")
+
 #-------------------------------------------------------------------------------
 #add include directories
 set(COMMON_INCLUDE_DIRS
diff --git a/README.md b/README.md
index 7543220f6..e97c55208 100644
--- a/README.md
+++ b/README.md
@@ -47,6 +47,11 @@ cmake .
 make
 ```
 
+NOTE: to generate a `Debug` build on Unix/Linux, run the Makefile generation step as:
+```bash
+cmake -DCMAKE_BUILD_TYPE=Debug .
+```
+
 **On the Raspberry Pi:**
 
 Complete Raspberry Pi build instructions at [emulationstation.org](http://emulationstation.org/gettingstarted.html#install_rpi_standalone).