19 lines
645 B
Diff
19 lines
645 B
Diff
This allows us to override the optimization level as not all platforms can
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deal with -O3.
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--- a/llvm/CMakeLists.txt
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+++ b/llvm/CMakeLists.txt
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@@ -918,6 +918,12 @@ if( MINGW AND NOT "${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang" )
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llvm_replace_compiler_option(CMAKE_CXX_FLAGS_RELEASE "-O3" "-O2")
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endif()
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+set(VOID_CXX_OPT_FLAGS "" CACHE STRING "Optimization level to use")
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+
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+if (NOT VOID_CXX_OPT_FLAGS STREQUAL "")
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+ llvm_replace_compiler_option(CMAKE_CXX_FLAGS_RELEASE "-O3" "${VOID_CXX_OPT_FLAGS}")
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+endif()
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+
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# Put this before tblgen. Else we have a circular dependence.
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add_subdirectory(lib/Demangle)
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add_subdirectory(lib/Support)
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