[LLVMdev] LLVM-3.0 fails to build on linux ppc32

[Hal Finkel]

Nico,

There is a third place that '#undef PPC' is needed (at the top of
PPCFixupKinds.h). Alternatively, you can run configure with -UPPC in
your CPPFLAGS. I'll try to get this fixed in trunk shortly.

 -Hal

On Fri, 2011-12-02 at 12:30 +0100, acrux_it at libero.it wrote:
> hi, i just try to build llvm-3.0 (stable) on linux ppc32 (CRUX PPC 2.7) with
> gcc-4.5.3, binutils-2.21.1, glibc-2.12.2 .
> 
> As this suggestion:
> http://llvm.org/bugs/show_bug.cgi?id=10969
> I applied a patch like this one:
> 
> --- llvm-3.0.src/lib/Target/PowerPC/MCTargetDesc/PPCMCTargetDesc.h     
> 2011-07-26 01:24:55.000000000 +0200
> +++ llvm-3.0.src/lib/Target/PowerPC/MCTargetDesc/PPCMCTargetDesc.h     
> 2011-12-02 02:04:06.000000000 +0100
> @@ -34,6 +34,10 @@
> 
>  } // End llvm namespace
> 
> +// Generated files will use "namespace PPC". To avoid symbol clash,
> +// undefine PPC here. PPC may be predefined on some hosts.
> +#undef PPC
> +
>  // Defines symbolic names for PowerPC registers.  This defines a mapping from
>  // register name to register number.
>  //
> --- llvm-3.0.src/lib/Target/PowerPC/MCTargetDesc/PPCPredicates.h       
> 2011-07-26 02:24:13.000000000 +0200
> +++ llvm-3.0.src/lib/Target/PowerPC/MCTargetDesc/PPCPredicates.h       
> 2011-12-02 02:05:22.000000000 +0100
> @@ -14,6 +14,10 @@
>  #ifndef LLVM_TARGET_POWERPC_PPCPREDICATES_H
>  #define LLVM_TARGET_POWERPC_PPCPREDICATES_H
> 
> +// Generated files will use "namespace PPC". To avoid symbol clash,
> +// undefine PPC here. PPC may be predefined on some hosts.
> +#undef PPC
> +
>  namespace llvm {
>  namespace PPC {
>    /// Predicate - These are "(BI << 5) | BO"  for various predicates.
> 
> 
> 
> 
> 
> but i got this further error:
> 
> [...]
> make[3]: Leaving directory
> `/mnt/EXT/00/llvm/work/src/llvm-3.0.src/lib/ExecutionEngine/JIT'
> make[3]: Entering directory
> `/mnt/EXT/00/llvm/work/src/llvm-3.0.src/lib/ExecutionEngine/MCJIT'
> llvm[3]: Compiling Intercept.cpp for Release build
> llvm[3]: Compiling MCJIT.cpp for Release build
> llvm[3]: Building Release Archive Library libLLVMMCJIT.a
> make[3]: Leaving directory
> `/mnt/EXT/00/llvm/work/src/llvm-3.0.src/lib/ExecutionEngine/MCJIT'
> make[3]: Entering directory
> `/mnt/EXT/00/llvm/work/src/llvm-3.0.src/lib/ExecutionEngine/RuntimeDyld'
> llvm[3]: Compiling RuntimeDyld.cpp for Release build
> llvm[3]: Compiling RuntimeDyldMachO.cpp for Release build
> llvm[3]: Building Release Archive Library libLLVMRuntimeDyld.a
> make[3]: Leaving directory
> `/mnt/EXT/00/llvm/work/src/llvm-3.0.src/lib/ExecutionEngine/RuntimeDyld'
> make[2]: Leaving directory
> `/mnt/EXT/00/llvm/work/src/llvm-3.0.src/lib/ExecutionEngine'
> make[2]: Entering directory `/mnt/EXT/00/llvm/work/src/llvm-3.0.
> src/lib/Linker'
> llvm[2]: Compiling LinkArchives.cpp for Release build
> llvm[2]: Compiling LinkItems.cpp for Release build
> llvm[2]: Compiling LinkModules.cpp for Release build
> llvm[2]: Compiling Linker.cpp for Release build
> llvm[2]: Building Release Archive Library libLLVMLinker.a
> make[2]: Leaving directory `/mnt/EXT/00/llvm/work/src/llvm-3.0.src/lib/Linker'
> make[2]: Entering directory `/mnt/EXT/00/llvm/work/src/llvm-3.0.src/lib/MC'
> llvm[2]: Compiling ELFObjectWriter.cpp for Release build
> In file included from ELFObjectWriter.cpp:33:0:
> ../Target/PowerPC/MCTargetDesc/PPCFixupKinds.h:16:11: error: expected
> identifier before numeric constant
> ../Target/PowerPC/MCTargetDesc/PPCFixupKinds.h:16:11: error: expected
> unqualified-id before numeric constant
> ELFObjectWriter.cpp:1832:1: error: expected '}' at end of input
> /bin/rm: cannot remove
> `/mnt/EXT/00/llvm/work/src/llvm-3.0.src/lib/MC/Release/ELFObjectWriter.d.tmp':
> No such file or directory
> make[2]: ***
> [/mnt/EXT/00/llvm/work/src/llvm-3.0.src/lib/MC/Release/ELFObjectWriter.o] 
> Error
> 1
> make[2]: Leaving directory `/mnt/EXT/00/llvm/work/src/llvm-3.0.src/lib/MC'
> make[1]: *** [MC/.makeall] Error 2
> make[1]: Leaving directory `/mnt/EXT/00/llvm/work/src/llvm-3.0.src/lib'
> make: *** [all] Error 1
> 
> 
> cheers,
> --nico
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-- 
Hal Finkel
Postdoctoral Appointee
Leadership Computing Facility
Argonne National Laboratory