Name the default compilation mode "debug"

src/project.conf

@@ -9,6 +9,8 @@ ldflags=-Wl,-z,relro -Wl,-z,now
 dist=Makefile,token.h,python/project.conf,python/Makefile,python/libSystem.c,python/libSystem.py
 
 #modes
+[mode::debug]
+
 [mode::release]
 cppflags_force=-DNDEBUG
 cflags=-W -Wall -O2 -D_FORTIFY_SOURCE=2 -fstack-protector

src/python/project.conf

@@ -7,6 +7,8 @@ ldflags=-Wl,-rpath,$(LIBDIR) -Wl,-z,relro -Wl,-z,now
 dist=Makefile,libSystem.py
 
 #modes
+[mode::debug]
+
 [mode::release]
 cppflags_force=-I../../include -DNDEBUG
 cflags=-W -Wall -O2 -D_FORTIFY_SOURCE=2 -fstack-protector

tests/project.conf

@@ -5,6 +5,9 @@ ldflags_force=-L$(OBJDIR)../src -L$(OBJDIR)../src/.libs -Wl,-rpath,$(OBJDIR)../s
 ldflags=-pie -Wl,-z,relro -Wl,-z,now
 dist=Makefile,clint.sh,config.conf,config-empty.conf,config-noeol.conf,coverage.sh,fixme.sh,pkgconfig.sh,pylint.sh,python.sh,tests.sh
 
+#modes
+[mode::debug]
+
 #targets
 [array]
 type=binary

tools/project.conf

@@ -7,6 +7,8 @@ ldflags=-pie -Wl,-z,relro -Wl,-z,now
 dist=Makefile,platform.sh,subst.sh
 
 #modes
+[mode::debug]
+
 [mode::release]
 cppflags_force=-I../include -DNDEBUG
 cflags=-W -Wall -O2 -fPIE -D_FORTIFY_SOURCE=2 -fstack-protector