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efb70743ab
developers, not for actual LLVM-based products), and ``void dump() const''
sprinkled across LLVM header files are just prototypes. However, this is
not the case with ``$localbase/llvm$ver/include/llvm/Support/CFGUpdate.h'',
where it contains some actual code:
#if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP)
LLVM_DUMP_METHOD void dump() const { print(dbgs()); }
#endif
This, in turn, results in the linker failure due to "undefined reference to
llvm::cfg::Update<llvm::BasicBlock*>::dump() const". Avoid this by defining
-DNDEBUG when compiling two files which end up having a reference to dump().
This is a prerequisite to enable building with LLVM backend.
13 lines
600 B
Text
13 lines
600 B
Text
--- src/SeExpr2/CMakeLists.txt.orig 2019-10-03 17:15:38 UTC
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+++ src/SeExpr2/CMakeLists.txt
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@@ -19,6 +19,10 @@ file(GLOB to_remove "ExprLLVMCodeGeneration.cpp")
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list(REMOVE_ITEM io_cpp ${to_remove})
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set_source_files_properties("ExprBuiltins.cpp" PROPERTIES COMPILE_DEFINITIONS "__STDC_LIMIT_MACROS")
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+# XXX: avoid undefref to llvm::cfg::Update<llvm::BasicBlock*>::dump() const
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+set_source_files_properties(
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+ Expression.cpp ExprLLVMCodeGeneration.cpp
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+ PROPERTIES COMPILE_DEFINITIONS NDEBUG)
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# Uncomment below to print debug messages / performance stats
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#add_definitions(-DSEEXPR_DEBUG)
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