+ifeq "$(pdb)" "1"
+DEFINES += PDB
+SRCS_COMMON += $(R)cpu/debug.c
+ ifeq "$(pdb_net)" "1"
+ DEFINES += PDB_NET
+ endif
+ ifeq "$(readline)" "1"
+ DEFINES += HAVE_READLINE
+ LDFLAGS += -lreadline
+ endif
+endif
+ifeq "$(cpu_cmp)" "1"
+ifdef cpu_cmp_w
+DEFINES += CPU_CMP_W
+else
+DEFINES += CPU_CMP_R
+endif # cpu_cmp_w
+endif
+ifeq "$(pprof)" "1"
+DEFINES += PPROF
+SRCS_COMMON += $(R)platform/linux/pprof.c
+endif
+
+# ARM asm stuff
+ifeq "$(ARCH)" "arm"
+ifeq "$(asm_render)" "1"
+DEFINES += _ASM_DRAW_C
+SRCS_COMMON += $(R)pico/draw_arm.S $(R)pico/draw2_arm.S
+endif
+ifeq "$(asm_memory)" "1"
+DEFINES += _ASM_MEMORY_C
+SRCS_COMMON += $(R)pico/memory_arm.s
+endif
+ifeq "$(asm_ym2612)" "1"
+DEFINES += _ASM_YM2612_C
+SRCS_COMMON += $(R)pico/sound/ym2612_arm.s
+endif
+ifeq "$(asm_misc)" "1"
+DEFINES += _ASM_MISC_C
+SRCS_COMMON += $(R)pico/misc_arm.s
+SRCS_COMMON += $(R)pico/cd/misc_arm.s
+endif
+ifeq "$(asm_cdpico)" "1"
+DEFINES += _ASM_CD_PICO_C
+SRCS_COMMON += $(R)pico/cd/mcd_arm.s
+endif
+ifeq "$(asm_cdmemory)" "1"
+DEFINES += _ASM_CD_MEMORY_C
+SRCS_COMMON += $(R)pico/cd/memory_arm.s
+endif
+ifeq "$(asm_32xdraw)" "1"
+DEFINES += _ASM_32X_DRAW
+SRCS_COMMON += $(R)pico/32x/draw_arm.s
+endif
+ifeq "$(asm_mix)" "1"
+SRCS_COMMON += $(R)pico/sound/mix_arm.s
+endif
+endif # ARCH=arm