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Fix building with asan option and OSL.

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When OSL is enabled, Cycles disables RTTI in some of its modules, which
then breaks vptr sanitizer (part of the 'undefined' sanitizer).

thanks to @brecht for helping tracking down the issue.
This commit is contained in:
Bastien Montagne
2019-04-23 20:59:10 +02:00
parent 148c0aa0fa
commit ec57ff2800
1 changed files with 6 additions and 0 deletions
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6
CMakeLists.txt
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@@ -811,6 +811,12 @@ if (NOT CMAKE_BUILD_TYPE MATCHES "Release")
set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} ${COMPILER_ASAN_CXXFLAGS}")
set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "${CMAKE_CXX_FLAGS_RELWITHDEBINFO} ${COMPILER_ASAN_CXXFLAGS}")
if(WITH_CYCLES_OSL)
# With OSL, Cycles disables rtti in some modules, wich then breaks at linking
# when trying to use vptr sanitizer (included into 'undefined' general option).
set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -fno-sanitize=vptr")
set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "${CMAKE_CXX_FLAGS_RELWITHDEBINFO} -fno-sanitize=vptr")
endif()
if(MSVC)
set(COMPILER_ASAN_LINKER_FLAGS "/FUNCTIONPADMIN:6")
endif()