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[cmake] Allow building fuzzers with OSS-Fuzz flags. 

Reviewers: kcc, bogner

Reviewed By: bogner

Subscribers: mgorny, llvm-commits

Differential Revision: https://reviews.llvm.org/D38858

llvm-svn: 315629
This commit is contained in:
Matt Morehouse 2017-10-12 21:58:41 +00:00
parent d52cf99f53
commit 54368668a0
2 changed files with 9 additions and 2 deletions
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2
llvm/CMakeLists.txt
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@ -435,6 +435,8 @@ endif( LLVM_USE_OPROFILE )
set(LLVM_USE_SANITIZER "" CACHE STRING
"Define the sanitizer used to build binaries and tests.")
set(LLVM_LIB_FUZZING_ENGINE "" CACHE PATH
"Path to fuzzing library for linking with fuzz targets")
option(LLVM_USE_SPLIT_DWARF
"Use -gsplit-dwarf when compiling llvm." OFF)

9
llvm/cmake/modules/AddLLVM.cmake
View File

@ -894,7 +894,12 @@ endmacro(add_llvm_utility name)
macro(add_llvm_fuzzer name)
cmake_parse_arguments(ARG "" "DUMMY_MAIN" "" ${ARGN})
if( LLVM_USE_SANITIZE_COVERAGE )
if( LLVM_LIB_FUZZING_ENGINE )
set(LLVM_OPTIONAL_SOURCES ${ARG_DUMMY_MAIN})
add_llvm_executable(${name} ${ARG_UNPARSED_ARGUMENTS})
target_link_libraries(${name} ${LLVM_LIB_FUZZING_ENGINE})
set_target_properties(${name} PROPERTIES FOLDER "Fuzzers")
elseif( LLVM_USE_SANITIZE_COVERAGE )
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fsanitize=fuzzer")
set(LLVM_OPTIONAL_SOURCES ${ARG_DUMMY_MAIN})
add_llvm_executable(${name} ${ARG_UNPARSED_ARGUMENTS})
@ -902,7 +907,7 @@ macro(add_llvm_fuzzer name)
elseif( ARG_DUMMY_MAIN )
add_llvm_executable(${name} ${ARG_DUMMY_MAIN} ${ARG_UNPARSED_ARGUMENTS})
set_target_properties(${name} PROPERTIES FOLDER "Fuzzers")
endif()
endif()
endmacro()
macro(add_llvm_target target_name)