--- a/make/clang.mk	Sun Jan 28 12:39:08 2024 +0100
+++ b/make/clang.mk	Sun Jan 28 13:10:18 2024 +0100
@@ -2,8 +2,10 @@
 # clang toolchain config
 #
 
-CFLAGS = -g
-LDFLAGS = 
+CFLAGS =
+DEBUG_CC_FLAGS = -g
+RELEASE_CC_FLAGS = -O3 -DNDEBUG
+LDFLAGS =
 
 SHLIB_CFLAGS = -fPIC
 SHLIB_LDFLAGS = -shared