[LLVMdev] help with an error message using clang ?

[Jim Grosbach]

On Sep 16, 2011, at 4:40 PM, Christine Cheng wrote:

> Hi,
> 
> I am new to LLVM and clang and I would like to seek some professional help. :)
> 
> I have been trying to compile some C code on a linux x86 computer for a Sparc machine.
> 
> I used:
> 
>  clang -ccc-host-triple sparc-unknown-linux -ccc-clang-archs sparc -pthreads -lm  -emit-llvm test.c -c -o -test.bc
> 
> The following error messages are produced:
> 
> /usr/include/pthread.h:665:6: error: 'regparm' is not valid on this platform
>      __cleanup_fct_attribute;
>      ^~~~~~~~~~~~~~~~~~~~~~~
> In file included from TEST.C:46:
> In file included from /usr/include/stdlib.h:320:
> In file included from /usr/include/sys/types.h:271:
> /usr/include/bits/pthreadtypes.h:222:50: note: instantiated from:
> # define __cleanup_fct_attribute __attribute__ ((__regparm__ (1)))
>                                                  ^            ~
> In file included from TEST.C:65:
> /usr/include/pthread.h:677:3: error: 'regparm' is not valid on this platform
>   __cleanup_fct_attribute;
>   ^~~~~~~~~~~~~~~~~~~~~~~
> In file included from TEST.C:46:
> In file included from /usr/include/stdlib.h:320:
> In file included from /usr/include/sys/types.h:271:

The files in /usr/include are extremely unlikely to be the right ones. You need a Sparc standard library, not an x86 one like will be installed in /usr.


> /usr/include/bits/pthreadtypes.h:222:50: note: instantiated from:
> # define __cleanup_fct_attribute __attribute__ ((__regparm__ (1)))
>                                                  ^            ~
> In file included from TEST.C:65:
> /usr/include/pthread.h:718:6: error: 'regparm' is not valid on this platform
>      __cleanup_fct_attribute __attribute__ ((__noreturn__))
>      ^~~~~~~~~~~~~~~~~~~~~~~
> 
> What causes the errors and how can I fix it? 
> 
> Thanks a lot and have a nice weekend!
> 
> Best,
> Christine
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