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Make sure to include -fno-rtti in LLVM_CXXFLAGS.

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This commit is contained in:
David Nadlinger
2012-12-09 23:16:17 +01:00
parent fc327909a3
commit f23d79135f
1 changed files with 8 additions and 0 deletions
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8
cmake/Modules/FindLLVM.cmake
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@@ -95,6 +95,14 @@ else()
llvm_set(LIBRARY_DIRS libdir)
llvm_set_libs(LIBRARIES libfiles "${LLVM_LIBRARY_DIRS}/")
llvm_set(ROOT_DIR prefix)
# On CMake builds of LLVM, the output of llvm-config --cxxflags does not
# include -fno-rtti, leading to linker errors. Be sure to add it.
if(CMAKE_COMPILER_IS_GNUCXX OR ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang"))
if(NOT ${LLVM_CXXFLAGS} MATCHES "-fno-rtti")
set(LLVM_CXXFLAGS "${LLVM_CXXFLAGS} -fno-rtti")
endif()
endif()
endif()
string(REGEX REPLACE "([0-9]+).*" "\\1" LLVM_VERSION_MAJOR "${LLVM_VERSION_STRING}" )