diff --git a/tools/project.conf b/tools/project.conf
index 0156529..85775a6 100644
--- a/tools/project.conf
+++ b/tools/project.conf
@@ -1,8 +1,15 @@
 targets=ldd
-cflags_force=-W
-cflags=-Wall -g -O2 -pedantic -D_FORTIFY_SOURCE=2 -fstack-protector
+cppflags_force=
+cflags_force=-g
+cflags=-W -Wall -O2 -pedantic -D_FORTIFY_SOURCE=2 -fstack-protector
 ldflags=-Wl,-z,relro -Wl,-z,now
 dist=Makefile,elf.c
+mode=debug
+
+#modes
+[mode::release]
+cppflags_force=-DNDEBUG
+cflags_force=
 
 #targets
 [ldd]