[Beignet] [PATCH] GBE: Output linkModules's error message.

[He Junyan]

LGTM
thanks

On 三, 2014-09-17 at 11:33 +0800, Ruiling Song wrote:
> Signed-off-by: Ruiling Song <ruiling.song at intel.com>
> ---
>  backend/src/llvm/llvm_bitcode_link.cpp |    5 +++--
>  1 file changed, 3 insertions(+), 2 deletions(-)
> 
> diff --git a/backend/src/llvm/llvm_bitcode_link.cpp b/backend/src/llvm/llvm_bitcode_link.cpp
> index d845479..1365b32 100644
> --- a/backend/src/llvm/llvm_bitcode_link.cpp
> +++ b/backend/src/llvm/llvm_bitcode_link.cpp
> @@ -204,9 +204,10 @@ namespace gbe
>  
>      /* We use beignet's bitcode as dst because it will have a lot of
>         lazy functions which will not be loaded. */
> -    if(Linker::LinkModules(clonedLib, mod, Linker::DestroySource, NULL)) {
> +    std::string errorMsg;
> +    if(Linker::LinkModules(clonedLib, mod, Linker::DestroySource, &errorMsg)) {
>        delete clonedLib;
> -      printf("Fatal Error: link the bitcode error\n");
> +      printf("Fatal Error: link the bitcode error:\n%s\n", errorMsg.c_str());
>        return NULL;
>      }
>