[LLVMdev] LLVM Kaleidoscope Chapter 7 Compilation Error in MinGW32(MSYS Shell) on Windows

[Matthew Liu]

I've managed to compile LLVM & Clang on windows using command prompt and
using it in MinGW (MSYS Shell). I've done this multiple times, following
many different instructions, ranging from the Getting started page for
clang, the llvm.org official getting started page, and even  the attached
guide written by someone else on the llvmdev email list (
http://lists.cs.uiuc.edu/pipermail/cfe-dev/2012-June/022242.html). LLVM
always finishes compiling, albeit with some warnings. However whenever I
try to compile the Kaleidoscope Chapter 7 code with the proposed
instructions, it always fails with the bottom error messages.
I've tried this on Windows XP, Windows 7, and Windows 8 (Release Preview),
always the same messages.

Error message:
$ clang++ -g -O3 toy.cpp `llvm-config --cppflags --ldflags --libs core jit
nati
ve` -o toy
c:/llvm/llvminstall/lib/libLLVMCore.a(Instructions.cpp.obj): duplicate
section `
.rdata$_ZTSN4llvm10ilist_nodeINS_11InstructionEEE[typeinfo name for
llvm::ilist_
node<llvm::Instruction>]' has different size
c:/llvm/llvminstall/lib/libLLVMCore.a(Instructions.cpp.obj): duplicate
section `
.rdata$_ZTIN4llvm10ilist_nodeINS_11InstructionEEE[typeinfo for
llvm::ilist_node<
llvm::Instruction>]' has different size
c:/llvm/llvminstall/lib/libLLVMCore.a(Instructions.cpp.obj): duplicate
section `
.rdata$_ZTSN4llvm15ilist_half_nodeINS_11InstructionEEE[typeinfo name for
llvm::i
list_half_node<llvm::Instruction>]' has different size
c:/llvm/llvminstall/lib/libLLVMCore.a(Instruction.cpp.obj): duplicate
section `.
rdata$_ZTSN4llvm10ilist_nodeINS_11InstructionEEE[typeinfo name for
llvm::ilist_n
ode<llvm::Instruction>]' has different size
c:/llvm/llvminstall/lib/libLLVMCore.a(Instruction.cpp.obj): duplicate
section `.
rdata$_ZTIN4llvm10ilist_nodeINS_11InstructionEEE[typeinfo for
llvm::ilist_node<l
lvm::Instruction>]' has different size
c:/llvm/llvminstall/lib/libLLVMCore.a(Instruction.cpp.obj): duplicate
section `.
rdata$_ZTSN4llvm15ilist_half_nodeINS_11InstructionEEE[typeinfo name for
llvm::il
ist_half_node<llvm::Instruction>]' has different size
c:/llvm/llvminstall/lib/libLLVMSupport.a(DynamicLibrary.cpp.obj):DynamicLibrary.
cpp:(.text+0x2be): undefined reference to `__imp__EnumerateLoadedModules at 12'
c:/llvm/llvminstall/lib/libLLVMSupport.a(Signals.cpp.obj):Signals.cpp:(.text+0x5
9e): undefined reference to `__imp__SymSetOptions at 4'
c:/llvm/llvminstall/lib/libLLVMSupport.a(Signals.cpp.obj):Signals.cpp:(.text+0x5
be): undefined reference to `__imp__SymInitialize at 12'
c:/llvm/llvminstall/lib/libLLVMSupport.a(Process.cpp.obj):Process.cpp:(.text+0xc
4): undefined reference to `_GetProcessMemoryInfo at 12'
collect2.exe: error: ld returned 1 exit status
clang++: error: linker (via gcc) command failed with exit code 1 (use -v to
see
invocation)


On a side note does anyone know how to fix the LLVM external function error
(Program used *external function* '...' which could not be resolved!) in
Cygwin? At the moment Cygwin with its prebuilt llvm/clang binaries is the
only fully functioning version of LLVM that i have, it compiles and runs
kaleidoscope fine other than with the external function error.
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