[compiler-rt] Make cxxabi availability configurable in cmake
Summary: Allow for use of cxxabi to be disabled from cmake. This will make sanitizers usable when c++ abi is unavailable. Reviewers: pcc, rnk, samsonov, beanz, compnerd Subscribers: llvm-commits, compnerd, dberris Differential Revision: https://reviews.llvm.org/D23639 llvm-svn: 279451
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@ -85,6 +85,19 @@ option(COMPILER_RT_EXTERNALIZE_DEBUGINFO
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# COMPILER_RT_DEBUG_PYBOOL is used by lit.common.configured.in.
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pythonize_bool(COMPILER_RT_DEBUG)
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if(APPLE AND SANITIZER_MIN_OSX_VERSION VERSION_LESS "10.9")
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# Mac OS X prior to 10.9 had problems with exporting symbols from
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# libc++/libc++abi.
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set(use_cxxabi_default OFF)
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elseif(MSVC)
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set(use_cxxabi_default OFF)
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else()
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set(use_cxxabi_default ON)
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endif()
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option(SANITIZER_CAN_USE_CXXABI "Sanitizers can use cxxabi" ${use_cxxabi_default})
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pythonize_bool(SANITIZER_CAN_USE_CXXABI)
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#================================
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# Setup Compiler Flags
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#================================
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@ -204,17 +217,6 @@ append_list_if(COMPILER_RT_HAS_WD4800_FLAG /wd4800 SANITIZER_COMMON_CFLAGS)
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# Warnings to turn off for all libraries, not just sanitizers.
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append_string_if(COMPILER_RT_HAS_WUNUSED_PARAMETER_FLAG -Wno-unused-parameter CMAKE_C_FLAGS CMAKE_CXX_FLAGS)
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if(APPLE AND SANITIZER_MIN_OSX_VERSION VERSION_LESS "10.9")
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# Mac OS X prior to 10.9 had problems with exporting symbols from
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# libc++/libc++abi.
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set(SANITIZER_CAN_USE_CXXABI FALSE)
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elseif(MSVC)
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set(SANITIZER_CAN_USE_CXXABI FALSE)
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else()
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set(SANITIZER_CAN_USE_CXXABI TRUE)
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endif()
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pythonize_bool(SANITIZER_CAN_USE_CXXABI)
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add_subdirectory(include)
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set(COMPILER_RT_LIBCXX_PATH ${LLVM_MAIN_SRC_DIR}/projects/libcxx)
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