Okay, I quoted it. I hope that helps.
TARGET = MyNameIsFW3x
OBJS = main.o
INCDIR =
# vvvvvvvv
CFLAGS = -O2 -G0 -Wall -DPSPFW3X
# ^^^^^^^^
CXXFLAGS = $(CFLAGS) -fno-exceptions -fno-rtti
ASFLAGS = $(CFLAGS)
# vvvvvvvv
BUILD_PRX=1
PSP_FW_VERSION=303
# ^^^^^^^^
LIBDIR =
LDFLAGS =
EXTRA_TARGETS = EBOOT.PBP
PSP_EBOOT_TITLE = MyNameIsFW3x
PSPSDK=$(shell psp-config --pspsdk-path)
include $(PSPSDK)/lib/build.mak
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