Makefile

# Makefile for CVE-2019-2215 for Pixel 2 and Pixel 2 XL
# Requires the $ANDROID_NDK_HOME environment variable to be set
# containing the base path to Android NDK r19 or higher.
PREFIX		= $(ANDROID_NDK_HOME)/toolchains/llvm/prebuilt/linux-x86_64
TARGET		= aarch64-linux-android
ANDROID_API	?= 21

CFLAGS		= -O3 -Wall -Wextra -pedantic -Wformat -Werror=format-security

CC		= $(PREFIX)/bin/$(TARGET)$(ANDROID_API)-clang
STRIP		= $(PREFIX)/bin/$(TARGET)-strip

OBJS		= cve-2019-2215.o

%.o:		$(CC) -c -o $@ $< $(CFLAGS)

cve-2019-2215:	$(OBJS)
		$(CC) -o $@ $^ $(CFLAGS)

.PHONY:		all clean debug debug-static static strip
all:		clean cve-2019-2215 strip

clean:
		rm -f cve-2019-2215 $(OBJS)

debug:		CFLAGS := $(filter-out -O3,$(CFLAGS)) -g
debug:		clean cve-2019-2215

debug-static:	CFLAGS := $(filter-out -O3,$(CFLAGS)) -g -static
debug-static:	clean cve-2019-2215

static:		CFLAGS += -static
static:		all

strip:		cve-2019-2215
		$(STRIP) cve-2019-2215