diff --git a/build/osx/wxdebug.xcconfig b/build/osx/wxdebug.xcconfig
new file mode 100644
index 0000000000..404f5fa25d
--- /dev/null
+++ b/build/osx/wxdebug.xcconfig
@@ -0,0 +1,3 @@
+GCC_OPTIMIZATION_LEVEL = 0
+ONLY_ACTIVE_ARCH = YES
+WX_PREPROCESSOR_DEFINITIONS = __WXDEBUG__=1
\ No newline at end of file
diff --git a/build/osx/wxrelease.xcconfig b/build/osx/wxrelease.xcconfig
new file mode 100644
index 0000000000..d3fb0366a9
--- /dev/null
+++ b/build/osx/wxrelease.xcconfig
@@ -0,0 +1,2 @@
+GCC_OPTIMIZATION_LEVEL = 2
+WX_PREPROCESSOR_DEFINITIONS = 
\ No newline at end of file