# Copyright 2020 Google LLC. All Rights Reserved. This file and proprietary
# source code may only be used and distributed under the Widevine
# License Agreement.

# gypi file to be included using --includes option while building oemcrypto
# opk fuzz binaries. OPK classes needs to be instrumented with fuzzer
# but only when being built for fuzzing. Instead of directly updating
# oemcrypto_ta.gyp target, we use gypi in build_oemcrypto_fuzztests script.
{
    'target_defaults': {
        'variables': {
          # Flag used to generate source based code coverage reports.
          'generate_code_coverage_report%': 'false',
          # Flag to indicate that the code is being built with libFuzzer
          # instrumentation enabled.
          'enable_fuzzing_instrumentation': 'true',
        },
        # Include flags to build fuzzer binaries to generate source based code coverage reports.
        'cflags': [
          '-fPIC',
          '-O0',
          '-fno-omit-frame-pointer',
          '-U_FORTIFY_SOURCE',
          '-fsanitize=fuzzer,address,undefined',
          '-fno-sanitize-recover=address,undefined',
          # Need -g flag to include source line numbers in error stack trace.
          '-g3',
        ],
        'cflags_c': [
          '-std=c99',
          '-D_POSIX_C_SOURCE=200809L',
        ],
        'cflags_cc' : [
          '-frtti',
          '-std=c++11',
        ],
        'ldflags': [
          '-fPIC',
          # Sanitizers with link-time components must be repeated here.
          '-fsanitize=address',
          # Fuzzer is put on its own line so targets that need to swap it for
          # the version without a main function can easily find it.
          '-fsanitize=fuzzer',
        ],
        'libraries': [
          '-lpthread',
        ],
        'defines': [
          'OPK_LOG_LEVEL=LOG_NONE',
        ],
        'conditions': [
          ['generate_code_coverage_report=="true"', {
            # Include flags to build fuzzer binaries to generate source based code coverage reports.
            'cflags': [
              '-fprofile-instr-generate',
              '-fcoverage-mapping',
            ],
            'ldflags': [
              '-fprofile-instr-generate',
              '-fcoverage-mapping',
            ],
          }],
        ],
    },
}