mirror of
https://github.com/libretro/RetroArch.git
synced 2026-01-09 06:34:03 +08:00
6bfb7862e7
-ffast-math was added in ff14092d8d0 with a comment that it "helps SINC resampler to auto-vectorize". The flag is an alias for "-fno-math-errno -funsafe-math-optimizations -ffp-contract=fast -fno-honor-infinities -fno-honor-nans". The last two of those cause compiler complaints because while the flag was meant for this file, it's shared across the codebase that includes statements that operate on infinities and NaNs. GCC 13.3 with -fopt-info-vec reports 18 vectorizations for `-O3 -ffast-math`, 17 for `-O3 -fno-math-errno -funsafe-math-optimizations -ffp-contract=fast` and also 17 for plain `-O3`. So using the subset of -ffast-math without the offending flags buys nothing and loses 1 vectorization. Both GCC and Clang provide the "fast-math" pragma directive, which I add to this one file that benefits from it, under the condition that it's supported. -ffast-math is removed from most of the makefiles.
235 lines
5.1 KiB
Makefile
235 lines
5.1 KiB
Makefile
#########################
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## Toolchain variables ##
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#########################
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# Default toolchain directory
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TOOLCHAIN_DIR=/opt/miyoo
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# All toolchain-related variables may be
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# overridden via the command line
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ifdef GCW0_CC
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CC = $(GCW0_CC)
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else
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CC = $(TOOLCHAIN_DIR)/usr/bin/arm-linux-gcc
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endif
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ifdef GCW0_CXX
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CXX = $(GCW0_CXX)
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else
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CXX = $(TOOLCHAIN_DIR)/usr/bin/arm-linux-g++
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endif
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ifdef GCW0_STRIP
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STRIP = $(GCW0_STRIP)
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else
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STRIP = $(TOOLCHAIN_DIR)/usr/bin/arm-linux-strip
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endif
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GCW0_SDL_CONFIG ?= $(TOOLCHAIN_DIR)/usr/arm-miyoo-linux-uclibcgnueabi/sysroot/usr/bin/sdl-config
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GCW0_FREETYPE_CONFIG ?= $(TOOLCHAIN_DIR)/usr/arm-miyoo-linux-uclibcgnueabi/sysroot/usr/bin/freetype-config
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GCW0_INC_DIR ?= $(TOOLCHAIN_DIR)/usr/arm-miyoo-linux-uclibcgnueabi/sysroot/usr/include
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GCW0_LIB_DIR ?= $(TOOLCHAIN_DIR)/usr/arm-miyoo-linux-uclibcgnueabi/sysroot/usr/lib
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#########################
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#########################
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PACKAGE_NAME = retroarch
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DEBUG ?= 0
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MIYOO = 1
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DINGUX = 1
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HAVE_SCREENSHOTS = 1
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HAVE_REWIND = 1
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HAVE_7ZIP = 1
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HAVE_AL = 0
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HAVE_ALSA = 1
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HAVE_DSP_FILTER = 1
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HAVE_VIDEO_FILTER = 1
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HAVE_STATIC_VIDEO_FILTERS = 1
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HAVE_STATIC_AUDIO_FILTERS = 1
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HAVE_FILTERS_BUILTIN = 1
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HAVE_BUILTINMBEDTLS = 0
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HAVE_BUILTINZLIB = 1
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HAVE_C99 = 1
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HAVE_CC = 1
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HAVE_CC_RESAMPLER = 1
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HAVE_CHD = 1
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HAVE_COMMAND = 0
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HAVE_CXX = 1
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HAVE_DR_MP3 = 1
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HAVE_DYNAMIC = 1
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HAVE_EGL = 0
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HAVE_FREETYPE = 0
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HAVE_GDI = 1
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HAVE_GETADDRINFO = 0
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HAVE_GETOPT_LONG = 1
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HAVE_GLSL = 0
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HAVE_HID = 0
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HAVE_IBXM = 1
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HAVE_IMAGEVIEWER = 0
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HAVE_LANGEXTRA = 0
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HAVE_LIBRETRODB = 1
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HAVE_MENU = 1
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HAVE_MENU_COMMON = 1
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HAVE_GFX_WIDGETS = 0
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HAVE_MMAP = 1
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HAVE_OPENDINGUX_FBDEV = 0
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HAVE_OPENGL = 0
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HAVE_OPENGL1 = 0
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HAVE_OPENGLES = 0
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HAVE_OPENGLES3 = 0
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HAVE_OPENGL_CORE = 0
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HAVE_OPENSSL = 0
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HAVE_OVERLAY = 0
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HAVE_RBMP = 1
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HAVE_RJPEG = 1
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HAVE_RPILED = 0
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HAVE_RPNG = 1
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HAVE_RUNAHEAD = 0
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HAVE_SDL_DINGUX = 1
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HAVE_SHADERPIPELINE = 0
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HAVE_STB_FONT = 0
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HAVE_STB_IMAGE = 0
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HAVE_STB_VORBIS = 0
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HAVE_STDIN_CMD = 0
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HAVE_STRCASESTR = 1
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HAVE_THREADS = 1
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HAVE_UDEV = 0
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HAVE_RGUI = 1
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HAVE_MATERIALUI = 0
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HAVE_XMB = 0
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HAVE_OZONE = 0
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HAVE_ZLIB = 1
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HAVE_CONFIGFILE = 1
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HAVE_PATCH = 1
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HAVE_XDELTA = 0 # Disabled until we figure out how to include <lzma.h>
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HAVE_CHEATS = 1
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HAVE_CHEEVOS = 0
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HAVE_LIBSHAKE = 0
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HAVE_CORE_INFO_CACHE = 1
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#HAVE_TINYALSA = 1
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HAVE_NEAREST_RESAMPLER = 1
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OS = Linux
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TARGET = retroarch
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OBJ :=
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LINK := $(CXX)
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DEF_FLAGS := -march=armv5te -mtune=arm926ej-s -fomit-frame-pointer
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DEF_FLAGS += -ffunction-sections -fdata-sections
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DEF_FLAGS += -I. -Ideps -Ideps/stb -DMIYOO=1 -DDINGUX -MMD
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DEF_FLAGS += -Wall -Wno-unused-variable -flto
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DEF_FLAGS += -std=gnu99 -D_GNU_SOURCE
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LIBS := -ldl -lz -lrt -pthread -lasound
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CFLAGS :=
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CXXFLAGS := -fno-exceptions -fno-rtti -std=c++11 -D__STDC_CONSTANT_MACROS
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ASFLAGS :=
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LDFLAGS := -Wl,--gc-sections
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INCLUDE_DIRS = -I$(GCW0_INC_DIR)
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LIBRARY_DIRS = -L$(GCW0_LIB_DIR)
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DEFINES := -DRARCH_INTERNAL -D_FILE_OFFSET_BITS=64 -UHAVE_STATIC_DUMMY
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DEFINES += -DHAVE_C99=1 -DHAVE_CXX=1
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DEFINES += -DHAVE_GETOPT_LONG=1 -DHAVE_STRCASESTR=1 -DHAVE_DYNAMIC=1
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DEFINES += -DHAVE_FILTERS_BUILTIN -DHAVE_ALSA
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SDL_DINGUX_CFLAGS := $(shell $(GCW0_SDL_CONFIG) --cflags)
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SDL_DINGUX_LIBS := $(shell $(GCW0_SDL_CONFIG) --libs)
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FREETYPE_CFLAGS := $(shell $(GCW0_FREETYPE_CONFIG) --cflags)
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FREETYPE_LIBS := $(shell $(GCW0_FREETYPE_CONFIG) --libs)
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MMAP_LIBS = -lc
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OBJDIR_BASE := obj-unix
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ifeq ($(DEBUG), 1)
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OBJDIR := $(OBJDIR_BASE)/debug
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DEF_FLAGS += -O0 -g -DDEBUG -D_DEBUG
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else
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OBJDIR := $(OBJDIR_BASE)/release
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DEF_FLAGS += -O2 -DNDEBUG
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endif
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include Makefile.common
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DEF_FLAGS += $(INCLUDE_DIRS)
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LDFLAGS += $(CFLAGS) $(CXXFLAGS) $(DEF_FLAGS)
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CFLAGS += $(DEF_FLAGS)
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CXXFLAGS += $(DEF_FLAGS)
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HEADERS = $(wildcard */*/*.h) $(wildcard */*.h) $(wildcard *.h)
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ifneq ($(V),1)
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Q := @
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endif
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RARCH_OBJ := $(addprefix $(OBJDIR)/,$(OBJ))
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all: $(TARGET)
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define INFO
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ASFLAGS: $(ASFLAGS)
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CC: $(CC)
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CFLAGS: $(CFLAGS)
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CPPFLAGS: $(CPPFLAGS)
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CXX: $(CXX)
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CXXFLAGS: $(CXXFLAGS)
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DEFINES: $(DEFINES)
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LDFLAGS: $(LDFLAGS)
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LIBRARY_DIRS: $(LIBRARY_DIRS)
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LIBS: $(LIBS)
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LINK: $(LINK)
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OBJCFLAGS: $(OBJCFLAGS)
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RARCH_OBJ: $(RARCH_OBJ)
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endef
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export INFO
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info:
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ifneq ($(V),1)
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@echo "$$INFO"
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endif
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-include $(RARCH_OBJ:.o=.d)
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SYMBOL_MAP := -Wl,-Map=output.map
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$(TARGET): $(RARCH_OBJ)
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@$(if $(Q), $(shell echo echo LD $@),)
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$(Q)$(LINK) -o $@ $(RARCH_OBJ) $(LIBS) $(LDFLAGS) $(LIBRARY_DIRS)
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ifeq ($(STRIP_BIN),1)
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$(STRIP) --strip-unneeded $(TARGET)
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endif
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$(OBJDIR)/%.o: %.c
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@mkdir -p $(dir $@)
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@$(if $(Q), $(shell echo echo CC $<),)
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$(Q)$(CC) $(CPPFLAGS) $(CFLAGS) $(DEFINES) -c -o $@ $<
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$(OBJDIR)/%.o: %.cpp
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@mkdir -p $(dir $@)
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@$(if $(Q), $(shell echo echo CXX $<),)
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$(Q)$(CXX) $(CPPFLAGS) $(CXXFLAGS) $(DEFINES) -MMD -c -o $@ $<
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$(OBJDIR)/%.o: %.m
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@mkdir -p $(dir $@)
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@$(if $(Q), $(shell echo echo OBJC $<),)
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$(Q)$(CXX) $(OBJCFLAGS) $(DEFINES) -MMD -c -o $@ $<
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$(OBJDIR)/%.o: %.S $(HEADERS)
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@mkdir -p $(dir $@)
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@$(if $(Q), $(shell echo echo AS $<),)
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$(Q)$(CC) $(CFLAGS) $(ASFLAGS) $(DEFINES) -c -o $@ $<
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clean:
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@$(if $(Q), echo $@,)
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$(Q)rm -rf $(OBJDIR_BASE)
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$(Q)rm -f $(TARGET)
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$(Q)rm -f *.d
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.PHONY: all clean
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print-%:
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@echo '$*=$($*)'
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