some really sketchy makefile patching to get openssl fuzzing to work

makefuzz.py

import sys, os, subprocess

def check(msg):
	if not input(msg + ' (y/n): ').lower().startswith('y'):
		print('Aborting')
		sys.exit()

subprocess.run('./config enable-fuzz-libfuzzer -DPEDANTIC enable-asan enable-ubsan no-shared -DFUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION -fsanitize=fuzzer-no-link enable-ec_nistp_64_gcc_128 -fno-sanitize=alignment enable-tls1_3 enable-weak-ssl-ciphers enable-rc5 enable-md2 enable-ssl3 enable-ssl3-method enable-nextprotoneg --debug'.split(), env={'CC': 'clang'})
check('Does config look ok?')
with open('Makefile') as infile:
	with open('Makefile.new', 'w') as outfile:
		active = False
		for line in infile:
			if line.startswith('CFLAGS='):
				newline = line.replace('CFLAGS', 'FUZZ_CFLAGS').replace('fuzzer-no-link', 'fuzzer')
				outfile.write(line)
				outfile.write(newline)
				print('  ' + line, end='')
				print('+ ' + newline, end='')
				print('=' * 40)
			elif line.startswith('BIN_CFLAGS='):
				newline = line.replace('BIN_CFLAGS', 'BIN_FUZZ_CFLAGS').replace('(CFLAGS)', '(FUZZ_CFLAGS)')
				outfile.write(line)
				outfile.write(newline)
				print('  ' + line, end='')
				print('+ ' + newline, end='')
				print('=' * 40)
			elif line.startswith('fuzz/'):
				outfile.write(line)
				if ':' in line:
					prefix = line.split(':')[0]
					if '-' not in prefix and '.' not in prefix:
						active = True
						print('  ' + line, end='')
			elif active:
				if '$(BIN_CFLAGS)' in line:
					newline = line.replace('$(BIN_CFLAGS)', '$(BIN_FUZZ_CFLAGS)')
					outfile.write(newline)
					print('- ' + line, end='')
					print('+ ' + newline, end='')
					print('=' * 40)
					active = False
				else:
					outfile.write(line)
					print('  ' + line, end='')
			else:
				outfile.write(line)
check('Does Makefile.new look ok?')
os.rename('Makefile.new', 'Makefile')
subprocess.run('make')