Initial commit

rules.mk

@@ -0,0 +1,106 @@
+###############################################
+# Common build rules, used by the sub modules and their module.mk files
+#
+###############################################
+
+ifeq ($(LOAD_RULES_MK), 1)
+
+# Copy the list of objects to a new variable. The name of the new variable
+# contains the module name, a trick we use so we can keep multiple different
+# module object lists, one for each module.
+MODULE_OBJS-$(MODULE) := $(addprefix $(MODULE)/, $(MODULE_OBJS))
+
+# Add all involved directories to the MODULE_DIRS list
+MODULE_DIRS += $(sort $(dir $(MODULE_OBJS-$(MODULE))))
+
+
+
+ifdef TOOL_EXECUTABLE
+################################################
+# Build rule for (tool) executables.
+# TODO: Refactor this, so that even our master executable can use this rule?
+################################################
+TOOL-$(MODULE) := $(MODULE)/$(TOOL_EXECUTABLE)$(EXEEXT)
+TOOL_LIBS-$(TOOL-$(MODULE)) := $(TOOL_LIBS)
+TOOL_CFLAGS-$(TOOL-$(MODULE)) := $(TOOL_CFLAGS)
+
+$(TOOL-$(MODULE)): $(MODULE_OBJS-$(MODULE)) $(TOOL_DEPS)
+	+$(QUIET_LINK)$(LD) $(LDFLAGS) $(TOOL_CFLAGS-$@) $+ $(TOOL_LIBS-$@) -o $@
+
+# Reset TOOL_* vars
+TOOL_EXECUTABLE:=
+TOOL_DEPS:=
+TOOL_CFLAGS:=
+TOOL_LIBS:=
+
+# Add to "devtools" target
+devtools: $(TOOL-$(MODULE))
+
+# Pseudo target for comfort, allows for "make devtools/skycpt", etc.
+$(MODULE): $(TOOL-$(MODULE))
+clean-devtools: clean-$(MODULE)
+
+else
+ifdef PLUGIN
+################################################
+# Build rule for dynamic (loadable) plugins
+################################################
+PLUGIN-$(MODULE) := plugins/$(PLUGIN_PREFIX)$(notdir $(MODULE))$(PLUGIN_SUFFIX)
+$(PLUGIN-$(MODULE)): $(MODULE_OBJS-$(MODULE)) $(PLUGIN_EXTRA_DEPS)
+	$(QUIET)$(MKDIR) plugins
+	+$(QUIET_PLUGIN)$(LD) $(filter-out $(PLUGIN_EXTRA_DEPS),$+) $(PLUGIN_LDFLAGS) -o $@
+
+# Reset PLUGIN var
+PLUGIN:=
+
+# Add to "plugins" target
+plugins: $(PLUGIN-$(MODULE))
+
+ifdef SPLIT_DWARF
+plugins: $(PLUGIN-$(MODULE)).dwp
+endif
+
+# Add to the PLUGINS variable
+PLUGINS += $(PLUGIN-$(MODULE))
+
+# Pseudo target for comfort, allows for "make common", "make gui" etc.
+$(MODULE): $(PLUGIN-$(MODULE))
+clean-plugins: clean-$(MODULE)
+
+else
+################################################
+# Build rule for static modules/plugins
+################################################
+MODULE_LIB-$(MODULE) := $(MODULE)/lib$(notdir $(MODULE)).a
+
+# If not building as a plugin, add the object files to the main OBJS list
+OBJS += $(MODULE_LIB-$(MODULE))
+
+# Convenience library target
+$(MODULE_LIB-$(MODULE)): $(MODULE_OBJS-$(MODULE))
+	$(QUIET)-$(RM) $@
+	$(QUIET_AR)$(AR) $@ $+
+	$(QUIET_RANLIB)$(RANLIB) $@
+	$(QUIET)$(LS) $@
+
+# Pseudo target for comfort, allows for "make common", "make gui" etc.
+$(MODULE): $(MODULE_LIB-$(MODULE))
+
+endif # PLUGIN
+endif # TOOL_EXECUTABLE
+
+###############################################
+# Clean target, removes all object files. This looks a bit hackish, as we have to
+# copy the content of MODULE_OBJS to another unique variable (the next module.mk
+# will overwrite it after all). The same for the libMODULE.a library file.
+###############################################
+clean: clean-$(MODULE)
+clean-$(MODULE): clean-% :
+	-$(RM) $(MODULE_OBJS-$*) $(MODULE_LIB-$*) $(PLUGIN-$*) $(TOOL-$*)
+ifdef SPLIT_DWARF
+	-$(RM) $(MODULE_OBJS-$*:.o=.dwo)
+endif
+
+.PHONY: clean-$(MODULE) $(MODULE)
+
+endif # LOAD_RULES_MK