+# Enable link-time optimizations if requested.
+ifeq ($(LTO),1)
+ CXXFLAGS += -flto
+endif
+
+ifeq ($(DEBUG),1)
+ # Ensure there is a frame-pointer in debug builds.
+ CXXFLAGS += -fno-omit-frame-pointer
+
+ # Disable all optimizations in debug builds.
+ CXXFLAGS += -O0
+
+ # Enable debug symbols.
+ CXXFLAGS += -g
+else
+ # Disable all the stack protection features in release builds.
+ CXXFLAGS += -fno-stack-protector
+ CXXFLAGS += -fno-stack-check
+
+ # Disable frame pointer in release builds when AddressSanitizer isn't present.
+ ifeq ($(ASAN),1)
+ CXXFLAGS += -fno-omit-frame-pointer
+ else
+ CXXFLAGS += -fomit-frame-pointer
+ endif
+
+ # Highest optimization flag in release builds.
+ CXXFLAGS += -O3
+endif
+
+# Sanitizer selection
+ifeq ($(ASAN),1)
+ CXXFLAGS += -fsanitize=address
+endif
+ifeq ($(UBSAN),1)
+ CXXFLAGS += -fsanitize=undefined
+endif
+
+#
+# Dependency flags
+#
+DEPFLAGS := -MMD
+DEPFLAGS += -MP
+
+#
+# Linker flags
+#
+LDFLAGS :=
+
+# Remove unreferenced sections
+ifeq ($(UNUSED),1)
+ LDFLAGS += -Wl,--gc-sections
+endif
+
+# Enable link-time optimizations if request.
+ifeq ($(LTO),1)
+ LDFLAGS += -flto
+endif
+
+# Sanitizer selection
+ifeq ($(ASAN),1)
+ LDFLAGS += -fsanitize=address
+endif
+ifeq ($(UBSAN),1)
+ LDFLAGS += -fsanitize=undefined
+endif
+
+# Strip the binaries when not a debug build
+ifneq (,$(findstring -g,$(CXXFLAGS)))
+ STRIP := true
+else
+ STRIP := strip
+endif
+
+all: $(GMQCC) $(QCVM) $(TESTSUITE)
+
+# Build artifact directories.
+$(DEPDIR):
+ @mkdir -p $(DEPDIR)
+$(OBJDIR):
+ @mkdir -p $(OBJDIR)
+
+$(OBJDIR)/%.o: %.cpp $(DEPDIR)/%.d | $(OBJDIR) $(DEPDIR)
+ $(CXX) -MT $@ $(DEPFLAGS) -MF $(DEPDIR)/$*.Td $(CXXFLAGS) -c -o $@ $<
+ @mv -f $(DEPDIR)/$*.Td $(DEPDIR)/$*.d
+
+$(GMQCC): $(filter %.o,$(GSRCS:%.cpp=$(OBJDIR)/%.o))
+ $(CXX) $^ $(LDFLAGS) -o $@
+ $(STRIP) $@
+
+$(QCVM): $(filter %.o,$(QSRCS:%.cpp=$(OBJDIR)/%.o))
+ $(CXX) $^ $(LDFLAGS) -o $@
+ $(STRIP) $@
+
+$(TESTSUITE): $(filter %.o,$(TSRCS:%.cpp=$(OBJDIR)/%.o))
+ $(CXX) $^ $(LDFLAGS) -o $@
+ $(STRIP) $@
+
+# Determine if the tests should be run.
+RUNTESTS := true
+ifdef TESTSUITE
+ RUNTESTS := ./$(TESTSUITE)
+endif
+
+test: $(QCVM) $(TESTSUITE)
+ @$(RUNTESTS)