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make: Add wut makefile
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Ash
James
parent
7055d69c4f
commit
c0d3788b8e
168
share/wut.mk
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168
share/wut.mk
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# wut makefile beta - let's just stick with cmake, yeah?
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# should work for out-of-tree builds
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# Scroll to the bottom for predefined/utility variables
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# If V isn't given as 1 on the commandline, prepend "@" onto all our commands
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# See uses of $(Q) later - this stops make echoing our commands
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ifneq ($(strip $(V)), 1)
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Q ?= @
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endif
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# ------------------------------------------------------------------------------
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# Toolchain includes and path setup
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# Make sure we have devkitPPC
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ifeq ($(strip $(DEVKITPRO)),)
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$(error "Please set DEVKITPRO in your environment.")
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endif
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# May as well have a guess. ?= means an existing DEVKITPPC value isn't touched.
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export DEVKITPPC ?= $(DEVKITPRO)/devkitPPC
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# Pull in devkitPPC bits - this gets $(CC) and friends set up
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include $(DEVKITPPC)/base_tools
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# Make sure we have wut
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ifeq ($(strip $(WUT_ROOT)),)
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$(error "Please set WUT_ROOT in your environment.")
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endif
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# Grab wut tools we need.
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WUT_ELF2RPL := $(WUT_ROOT)/bin/elf2rpl
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WUT_RPLEXPORTGEN := $(WUT_ROOT)/bin/rplexportgen
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# If DEPSDIR isn't defined, assume this is an out-of-tree build and that we're
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# already running in the build folder - thus, put deps in CURDIR
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DEPSDIR ?= $(CURDIR)
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# Default to .d for depends
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DEPSEXT ?= d
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# ------------------------------------------------------------------------------
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# Get our flags in order
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# There's some default wut flags, they need to be added
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# cpu type and hardware flags, keep all relocations (for elf2rpl), wut includes
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WUT_CFLAGS := -mcpu=750 -meabi -mhard-float -isystem $(WUT_ROOT)/include
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# Defines to tell code about this environment
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WUT_CFLAGS += -D__WIIU__ -D__WUT__ -D__WUT_MAKEFILE__
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# keep relocations, use wut linker script
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WUT_LDFLAGS := -Wl,-q -Wl,-z,nocopyreloc -T $(WUT_ROOT)/share/wut.ld
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# Path for wut libraries, Always link against coreinit
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WUT_LDFLAGS += -L$(WUT_ROOT)/lib -lcoreinit
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# Append that to user-provided cflags and others
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CFLAGS += $(WUT_CFLAGS)
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CXXFLAGS += $(WUT_CFLAGS)
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OBJCFLAGS += $(WUT_CFLAGS)
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# assembler-with-cpp allows using #defines and stuff in Assembly source
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# It's forced on devkitPPC, so it's forced here
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ASFLAGS += $(WUT_CFLAGS) -x assembler-with-cpp
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LDFLAGS += $(WUT_LDFLAGS)
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# Linking sucks... this make the ordering of libraries irrelevant, but the
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# manuals reckon it's not good for performance. Set WUT_NO_LDGROUPS=1 to disable
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# or DIY this bit (_PRE and _POST are included no matter what)
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ifneq ($(strip $(WUT_NO_LDGROUPS)), 1)
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LDFLAGS_PRE += -Wl,--start-group
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LDFLAGS_POST += -Wl,--end-group
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endif
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# RPX and RPL need slightly different crts (init code)
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%.rpx: LDFLAGS += -lwutcrt
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%.rpl: LDFLAGS += -lwutcrtrpl
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# ------------------------------------------------------------------------------
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# Linking bits
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# What should we call files that have been linked but not run through elf2rpl?
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WUT_RPLELF_SUFFIX := .elf
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# If we're making an rpl, pass --rpl into elf2rpl
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%.rpl: WUT_ELF2RPLFLAGS += --rpl
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# Main RPX/RPL linking rule. This process is basically identical for both types,
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# aside from a few flags (which we've already set)
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%.rpx %.rpl:
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# Use CXX to link our initial output file, ready for elf2rpl
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@echo LD $(notdir $@)$(WUT_RPLELF_SUFFIX)
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$(Q)$(CXX) $^ $(LDFLAGS_PRE) $(LDFLAGS) $(LDFLAGS_POST) -o $@$(WUT_RPLELF_SUFFIX)
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# Run elf2rpl on it
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@echo ELF2RPL $(notdir $@)
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$(Q)$(WUT_ELF2RPL) $(WUT_ELF2RPLFLAGS) $@$(WUT_RPLELF_SUFFIX) $@
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# Unless we're told not to, delete the initial output file
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$(Q)if [ "$(WUT_KEEP_RPLELF)" == "" ]; then \
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rm -f $@$(WUT_RPLELF_SUFFIX); \
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fi
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# ------------------------------------------------------------------------------
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# Compilation rules
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# Bog-standard compilation rules. Only using these and not devkitPPC's
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# base_rules because the mkdir bits are needed
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%.o: %.cpp
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@echo CXX $(notdir $<)
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@mkdir -p $(dir $*)
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$(Q)$(CXX) -MMD -MP -MF $(DEPSDIR)/$*.$(DEPSEXT) $(CXXFLAGS) -c $< -o $@ $(ERROR_FILTER)
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%.o: %.c
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@echo CC $(notdir $<)
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@mkdir -p $(dir $*)
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$(Q)$(CC) -MMD -MP -MF $(DEPSDIR)/$*.$(DEPSEXT) $(CFLAGS) -c $< -o $@ $(ERROR_FILTER)
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%.o: %.m
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@echo CC $(notdir $<)
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@mkdir -p $(dir $*)
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$(Q)$(CC) -MMD -MP -MF $(DEPSDIR)/$*.$(DEPSEXT) $(OBJCFLAGS) -c $< -o $@ $(ERROR_FILTER)
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%.o: %.s
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@echo CC $(notdir $<)
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@mkdir -p $(dir $*)
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$(Q)$(CC) -MMD -MP -MF $(DEPSDIR)/$*.$(DEPSEXT) $(ASFLAGS) -c $< -o $@ $(ERROR_FILTER)
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%.o: %.S
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@echo CC $(notdir $<)
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@mkdir -p $(dir $*)
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$(Q)$(CC) -MMD -MP -MF $(DEPSDIR)/$*.$(DEPSEXT) $(ASFLAGS) -c $< -o $@ $(ERROR_FILTER)
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%.a:
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@echo AR $(notdir $@)
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@mkdir -p $(dir $*)
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@rm -f $@
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$(Q)$(AR) -rc $@ $^
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# Add the dependency rules, if they exist
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include $(shell find $(DEPSDIR) -name "*.$(DEPSEXT)")
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# ------------------------------------------------------------------------------
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# Optional Extras
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# Maybe you want libc/newlib? or a devoptab? These contain the flags you need to
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# do it.
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# Enable newlib support, making more complex libc functions work. Basic stuff
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# like memset doesn't need this, but time functions and malloc do.
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# Unless you also use WUT_MALLOC_LDFLAGS, this will dedicate most of the default
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# Cafe heap to libc malloc.
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# To use:
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# LDFLAGS += $(WUT_NEWLIB_LDFLAGS)
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WUT_NEWLIB_LDFLAGS := -Wl,--whole-archive -lwutnewlib -Wl,--no-whole-archive
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# Wrap calls to malloc and friends with calls to Cafe's MEMDefaultHeap
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# functions, effectivley bypassing the libc heap for most allocations. Forces
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# libc heap to be very small.
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# To use:
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# LDFLAGS += $(WUT_MALLOC_LDFLAGS)
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WUT_MALLOC_LDFLAGS := -Wl,--whole-archive -lwutmalloc -Wl,--no-whole-archive
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# Enable libstdc++ support. Allows use of C++11 threads, along with other C++
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# functionality. Make sure to use WUT_NEWLIB_LDFLAGS too.
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# To use:
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# LDFLAGS += $(WUT_STDCPP_LDFLAGS)
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WUT_STDCPP_LDFLAGS := -lstdc++
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WUT_STDCPP_LDFLAGS += -Wl,--whole-archive -lwutstdc++ -Wl,--no-whole-archive
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# Simple devoptab to allow filesystem access. Mounts the SD alongside the default
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# Cafe mounts (/vol/content etc.)
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# To use:
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# LDFLAGS += $(WUT_DEVOPTAB_LDFLAGS)
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WUT_DEVOPTAB_LDFLAGS := -Wl,--whole-archive -lwutdevoptab -Wl,--no-whole-archive
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