Update.

projects/make/wren_cli.make

@@ -87,6 +87,15 @@ ALL_CFLAGS += $(CFLAGS) $(ALL_CPPFLAGS) -g -std=c99
 ALL_CXXFLAGS += $(CXXFLAGS) $(ALL_CPPFLAGS) -g
 ALL_LDFLAGS += $(LDFLAGS)
 
+else ifeq ($(config),coverage_64bit)
+TARGETDIR = ../../bin
+TARGET = $(TARGETDIR)/wren_cli_cov
+OBJDIR = obj/64bit/Coverage
+DEFINES += -DDEBUG -DWREN_PROFILE_ENABLED -D_GNU_SOURCE
+ALL_CFLAGS += $(CFLAGS) $(ALL_CPPFLAGS) -m64 -g --coverage -O0 -std=c99
+ALL_CXXFLAGS += $(CXXFLAGS) $(ALL_CPPFLAGS) -m64 -g --coverage -O0
+ALL_LDFLAGS += $(LDFLAGS) -L/usr/lib64 -m64 --coverage
+
 else
   $(error "invalid configuration $(config)")
 endif