mirror of
https://github.com/libretro/RetroArch.git
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6bfb7862e7
-ffast-math was added in ff14092d8d 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.
181 lines
3.7 KiB
Makefile
181 lines
3.7 KiB
Makefile
TARGET = retroarch.exe
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HAVE_SCREENSHOTS = 1
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HAVE_AUDIOMIXER = 1
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HAVE_RWAV = 1
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HAVE_DINPUT = 1
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HAVE_XAUDIO = 1
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HAVE_DSOUND = 1
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HAVE_WASAPI = 1
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HAVE_OPENGL = 1
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HAVE_DYLIB = 1
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HAVE_D3D9 = 1
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HAVE_NETWORKING = 1
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HAVE_IFINFO = 1
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HAVE_NETPLAYDISCOVERY = 1
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HAVE_STDIN_CMD = 1
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HAVE_COMMAND = 1
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HAVE_THREADS = 1
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HAVE_MENU = 1
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HAVE_CONFIGFILE = 1
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HAVE_PATCH = 1
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HAVE_REWIND = 1
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HAVE_CHEATS = 1
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HAVE_RGUI = 1
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HAVE_MATERIALUI = 1
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HAVE_DSP_FILTER = 1
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HAVE_VIDEO_FILTER = 1
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HAVE_7ZIP = 1
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DYNAMIC = 1
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HAVE_CORE_INFO_CACHE = 1
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HAVE_XINPUT = 1
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HAVE_WINMM = 1
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HAVE_SDL := 0
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HAVE_SDL2 := 0
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HAVE_RSOUND := 0
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HAVE_STB_FONT := 1
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HAVE_FREETYPE := 1
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HAVE_FFMPEG := 0
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HAVE_CG := 1
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HAVE_ZLIB := 1
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HAVE_CC_RESAMPLER := 1
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ifeq ($(HAVE_CG), 1)
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CG_LIBS := -lcg -lcgGL
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endif
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ifeq ($(HAVE_FREETYPE), 1)
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FREETYPE_CFLAGS := -DHAVE_FREETYPE -Ifreetype2
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FREETYPE_LIBS := -lfreetype
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endif
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ifeq ($(HAVE_SDL), 1)
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SDL_LIBS := -lSDL
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SDL_CFLAGS := -ISDL -DHAVE_SDL
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BSD_LOCAL_INC :=
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endif
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ifeq ($(HAVE_SDL2), 1)
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SDL2_LIBS := -lSDL2
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SDL2_CFLAGS := -ISDL2 -DHAVE_SDL2
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endif
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ifeq ($(HAVE_D3D8), 1)
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D3D8_LIBS := -ld3d8
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ifeq ($(HAVE_D3DX), 1)
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D3DX8_LIBS := -ld3dx8
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endif
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endif
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ifeq ($(HAVE_D3D9), 1)
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D3D9_LIBS := -ld3d9
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ifeq ($(HAVE_D3DX), 1)
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D3DX9_LIBS := -ld3dx9
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endif
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endif
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ifeq ($(HAVE_RSOUND), 1)
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RSOUND_CFLAGS := -DHAVE_RSOUND
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RSOUND_LIBS := -lrsound
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endif
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ifeq ($(HAVE_FFMPEG), 1)
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AVCODEC_LIBS := -lavcodec
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AVUTIL_LIBS := -lavutil
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SWSCALE_LIBS := -lswscale
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AVFORMAT_LIBS := -lavformat
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SWRESAMPLE_LIBS := -lswresample
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AVDEVICE_LIBS := -lavdevice
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FFMPEG_LIBS := -lws2_32 -lz
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endif
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OBJDIR := obj-w32
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OS := Win32
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OBJ :=
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LIBS := -lm
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DEFINES :=
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DEFINES += -I. -Ilibretro-common/include -Ilibretro-common/include/compat/zlib -DRARCH_INTERNAL -DHAVE_SCREENSHOTS -DHAVE_OVERLAY
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LDFLAGS := -L. -static-libgcc
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include Makefile.common
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HEADERS = $(wildcard */*/*.h) $(wildcard */*.h) $(wildcard *.h)
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ifneq ($(HOST_PREFIX),)
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CC = $(HOST_PREFIX)gcc
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CXX = $(HOST_PREFIX)g++
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WINDRES = $(HOST_PREFIX)windres
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else
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CC = gcc
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CXX = g++
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WINDRES = windres
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endif
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libretro ?= -lretro
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ifeq ($(DYNAMIC), 1)
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DEFINES += -DHAVE_DYNAMIC
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else
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LIBS += $(libretro)
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endif
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ifneq ($(V), 1)
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Q := @
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endif
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ifeq ($(DEBUG), 1)
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CFLAGS += -O0 -g
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CXXFLAGS += -O0 -g
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else
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CFLAGS += -O3
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CXXFLAGS += -O3
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endif
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CFLAGS += $(DEF_FLAGS) -Wall -Wno-unused-result -Wno-unused-variable -I. -Ideps
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CXXFLAGS += -Wall -Wno-unused-result -Wno-unused-variable -I. -Ideps -std=c++98 -D__STDC_CONSTANT_MACROS
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ifeq ($(CXX_BUILD), 1)
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CFLAGS += -std=c++98 -xc++ -D__STDC_CONSTANT_MACROS
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else
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ifneq ($(GNU90_BUILD), 1)
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CFLAGS += -std=gnu99
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endif
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endif
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RARCH_OBJ := $(addprefix $(OBJDIR)/,$(OBJ))
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all: $(TARGET)
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-include $(RARCH_OBJ:.o=.d)
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$(TARGET): $(RARCH_OBJ)
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@$(if $(Q), $(shell echo echo LD $@),)
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$(Q)$(CXX) -o $@ $(RARCH_OBJ) $(LIBS) $(LDFLAGS) $(LDCXXFLAGS)
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#those mkdir shenanigans are really ugly, but I can't find any better solution
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$(OBJDIR)/%.o: %.c
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@-mkdir -p $(dir $@) || mkdir $(subst /,\,$(dir $@)) || echo .
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@$(if $(Q), $(shell echo echo CC $<),)
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$(Q)$(CC) $(CFLAGS) $(DEFINES) -MMD -c -o $@ $<
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$(OBJDIR)/%.o: %.cpp | $(dir $@)
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@-mkdir -p $(dir $@) || mkdir $(subst /,\,$(dir $@)) || echo .
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@$(if $(Q), $(shell echo echo CXX $<),)
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$(Q)$(CXX) $(CXXFLAGS) $(DEFINES) -MMD -c -o $@ $<
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$(OBJDIR)/%.o: %.rc $(HEADERS)
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@-mkdir -p $(dir $@) || mkdir $(subst /,\,$(dir $@)) || echo .
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@$(if $(Q), $(shell echo echo WINDRES $<),)
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$(Q)$(WINDRES) $(DEFINES) -o $@ $<
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clean:
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rm -rf $(OBJDIR)
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rm -f $(TARGET)
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rm -f *.d
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.PHONY: all install uninstall clean
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