Enable LTO for MD targets

Author: viciious

src-md/Makefile

@@ -10,7 +10,7 @@ LIBPATH = -L$(ROOTDIR)/m68k-elf/lib -L$(ROOTDIR)/m68k-elf/lib/gcc/m68k-elf/12.1.
 INCPATH = -I$. -I$(ROOTDIR)/m68k-elf/include -I$(ROOTDIR)/m68k-elf/m68k-elf/include -I../liblzss
 
 HWCCFLAGS = -m68000 -Wall -O1 -c -fomit-frame-pointer -fno-lto
-CCFLAGS = -m68000 -Wall -Os -c -fomit-frame-pointer -fno-lto -DUSE_SCD_IN_RAM
+CCFLAGS = -m68000 -Wall -Os -c -fomit-frame-pointer -flto -DUSE_SCD_IN_RAM
 ASFLAGS = -m68000 --register-prefix-optional
 LINKFLAGS = -T $(LDSCRIPTSDIR)/mars-md.ld -Wl,-Map=output.map -nostdlib -flto
 

src-md/cd/Makefile

@@ -11,10 +11,10 @@ RM = rm -f
 
 OPTION =
 INCS = -I. -I$(ROOTDIR)/m68k-elf/include -I$(ROOTDIR)/m68k-elf/m68k-elf/include
-CCFLAGS = $(ROOTDIR) -m68000 -Wall -Os -c -fomit-frame-pointer -ffunction-sections -fdata-sections -g
+CCFLAGS = $(ROOTDIR) -m68000 -Wall -Os -c -fomit-frame-pointer -ffunction-sections -fdata-sections -flto
 ASFLAGS = -m68000 --register-prefix-optional
 LIBS = -L$(ROOTDIR)/m68k-elf/lib -L$(ROOTDIR)/m68k-elf/lib/gcc/m68k-elf/12.1.0 -L$(ROOTDIR)/m68k-elf/m68k-elf/lib -lc -lgcc -lnosys
-LINKFLAGS = -T cd-mode1.ld -Wl,-Map=output.map -nostdlib --specs=nosys.specs -Wl,--gc-sections
+LINKFLAGS = -T cd-mode1.ld -Wl,-Map=output.map -nostdlib --specs=nosys.specs -Wl,--gc-sections -flto
 
 OBJS = crt.o pcm.o pcm-io.o adpcm.o adpcm_ima.o adpcm_sb4.o s_buffers.o s_channels.o s_main.o s_sources.o