mirror of
https://github.com/firebase/firebase-ios-sdk
synced 2026-11-10 22:45:59 +05:45
Mina Farid
af0e5fca4c
* Detect OSS Fuzz thorough `LIB_FUZZING_ENGINE` env var. * Avoid building libFuzzer if not fuzzing. * Load the fuzzing library either from the library provided by OSS Fuzz or from libFuzzer.a that was manually built from sources.
60 lines
2.1 KiB
CMake
60 lines
2.1 KiB
CMake
# Copyright 2018 Google
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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# Downloads and builds libFuzzer from its sources. Uses the build.sh script
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# provided by libFuzzer to compile the sources and produce a library with the
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# name libFuzzer.a in the same directory as the sources because we have
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# BUILD_IN_SOURCES set to TRUE.
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# This build method might not work on all systems. See the build.sh script of
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# libFuzzer here:
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# (https://github.com/llvm-mirror/compiler-rt/blob/master/lib/fuzzer/build.sh).
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# An alternative is to write own CMake file that builds libFuzzer.
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include(ExternalProject)
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if(TARGET libfuzzer)
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return()
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endif()
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# Mark libfuzzer target as done if: (a) fuzzing is not enabled and libFuzzer is
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# not needed; (b) a fuzzing library is already provided in LIB_FUZZING_ENGINE
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# environment variable as in OSS Fuzz and there is no need to build it; and
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# (c) on Windows because fuzzing is not supported.
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if(NOT FUZZING OR DEFINED ENV{LIB_FUZZING_ENGINE} OR WIN32)
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add_custom_target(libfuzzer)
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return()
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endif()
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set(tag RELEASE_601) # latest release@{2018-07-27}
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ExternalProject_Add(
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libfuzzer
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DOWNLOAD_DIR ${FIREBASE_DOWNLOAD_DIR}
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DOWNLOAD_NAME libfuzzer
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SVN_REPOSITORY "https://llvm.org/svn/llvm-project/compiler-rt/tags/${tag}/final/lib/fuzzer"
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LOG_DOWNLOAD TRUE # Do not print SVN checkout messages.
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PREFIX ${PROJECT_BINARY_DIR}
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SOURCE_DIR ${PROJECT_BINARY_DIR}/src/libfuzzer
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BUILD_IN_SOURCE TRUE
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UPDATE_COMMAND ""
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CONFIGURE_COMMAND ""
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BUILD_COMMAND "${PROJECT_BINARY_DIR}/src/libfuzzer/build.sh"
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INSTALL_COMMAND ""
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TEST_COMMAND ""
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)
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