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https://github.com/libretro/scummvm.git
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ffff953685
This should improve linker time as well as reduce the size of the built binaries (though this does not affect runtime memory usage since the debug segments are not loaded into memory except by a debugger) whilst still giving debug information.
103 lines
3.2 KiB
Makefile
103 lines
3.2 KiB
Makefile
###############################################
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# Common build rules, used by the sub modules and their module.mk files
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#
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###############################################
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# Copy the list of objects to a new variable. The name of the new variable
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# contains the module name, a trick we use so we can keep multiple different
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# module object lists, one for each module.
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MODULE_OBJS-$(MODULE) := $(addprefix $(MODULE)/, $(MODULE_OBJS))
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# Add all involved directories to the MODULE_DIRS list
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MODULE_DIRS += $(sort $(dir $(MODULE_OBJS-$(MODULE))))
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ifdef TOOL_EXECUTABLE
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################################################
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# Build rule for (tool) executables.
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# TODO: Refactor this, so that even our master executable can use this rule?
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################################################
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TOOL-$(MODULE) := $(MODULE)/$(TOOL_EXECUTABLE)$(EXEEXT)
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TOOL_LIBS-$(TOOL-$(MODULE)) := $(TOOL_LIBS)
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TOOL_CFLAGS-$(TOOL-$(MODULE)) := $(TOOL_CFLAGS)
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$(TOOL-$(MODULE)): $(MODULE_OBJS-$(MODULE)) $(TOOL_DEPS)
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$(QUIET_CXX)$(CXX) $(LDFLAGS) $(TOOL_CFLAGS-$@) $+ $(TOOL_LIBS-$@) -o $@
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# Reset TOOL_* vars
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TOOL_EXECUTABLE:=
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TOOL_DEPS:=
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TOOL_CFLAGS:=
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TOOL_LIBS:=
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# Add to "devtools" target
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devtools: $(TOOL-$(MODULE))
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# Pseudo target for comfort, allows for "make devtools/skycpt", etc.
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$(MODULE): $(TOOL-$(MODULE))
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clean-devtools: clean-$(MODULE)
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else
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ifdef PLUGIN
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################################################
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# Build rule for dynamic (loadable) plugins
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################################################
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PLUGIN-$(MODULE) := plugins/$(PLUGIN_PREFIX)$(notdir $(MODULE))$(PLUGIN_SUFFIX)
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$(PLUGIN-$(MODULE)): $(MODULE_OBJS-$(MODULE)) $(PLUGIN_EXTRA_DEPS)
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$(QUIET)$(MKDIR) plugins
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$(QUIET_PLUGIN)$(CXX) $(filter-out $(PLUGIN_EXTRA_DEPS),$+) $(PLUGIN_LDFLAGS) -o $@
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# Reset PLUGIN var
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PLUGIN:=
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# Add to "plugins" target
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plugins: $(PLUGIN-$(MODULE))
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ifdef SPLIT_DWARF
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$(PLUGIN-$(MODULE)).dwp: $(PLUGIN-$(MODULE))
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$(QUIET_DWP)$(DWP) -e $(PLUGIN-$(MODULE))
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plugins: $(PLUGIN-$(MODULE)).dwp
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endif
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# Add to the PLUGINS variable
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PLUGINS += $(PLUGIN-$(MODULE))
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# Pseudo target for comfort, allows for "make common", "make gui" etc.
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$(MODULE): $(PLUGIN-$(MODULE))
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clean-plugins: clean-$(MODULE)
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else
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################################################
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# Build rule for static modules/plugins
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################################################
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MODULE_LIB-$(MODULE) := $(MODULE)/lib$(notdir $(MODULE)).a
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# If not building as a plugin, add the object files to the main OBJS list
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OBJS += $(MODULE_LIB-$(MODULE))
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# Convenience library target
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$(MODULE_LIB-$(MODULE)): $(MODULE_OBJS-$(MODULE))
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$(QUIET)-$(RM) $@
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$(QUIET_AR)$(AR) $@ $+
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$(QUIET_RANLIB)$(RANLIB) $@
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# Pseudo target for comfort, allows for "make common", "make gui" etc.
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$(MODULE): $(MODULE_LIB-$(MODULE))
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endif # PLUGIN
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endif # TOOL_EXECUTABLE
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###############################################
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# Clean target, removes all object files. This looks a bit hackish, as we have to
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# copy the content of MODULE_OBJS to another unique variable (the next module.mk
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# will overwrite it after all). The same for the libMODULE.a library file.
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###############################################
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clean: clean-$(MODULE)
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clean-$(MODULE): clean-% :
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-$(RM) $(MODULE_OBJS-$*) $(MODULE_LIB-$*) $(PLUGIN-$*) $(TOOL-$*)
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.PHONY: clean-$(MODULE) $(MODULE)
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