[Buildroot] [PATCH v2 2/6] package/llvm: install target binary/debug tools

Romain Naour romain.naour at smile.fr
Sun Nov 18 19:14:06 UTC 2018


Hi Matt,

Le 17/11/2018 à 04:56, Matt Weber a écrit :
> The compiler-rt fuzzer and address sanitizer tools require additional
> LLVM binary tools installed to allow stack trace decoding actively during
> executable analysis.
> 
> https://github.com/google/sanitizers/wiki/AddressSanitizerCallStack
> 
> Signed-off-by: Matthew Weber <matthew.weber at rockwellcollins.com>
> Reviewed-by: Romain Naour <romain.naour at smile.fr>

For some reason I get an error while building llvm package tools.

x86_64-linux-g++: WARNING: unsafe header/library path used in cross-compilation:
'-I/usr/include/libxml2'

Can you have a look?

Best regards,
Romain

> ---
> Changes
> v1 -> v2
>  - None
> ---
>  package/llvm/llvm.mk | 11 ++++++++++-
>  1 file changed, 10 insertions(+), 1 deletion(-)
> 
> diff --git a/package/llvm/llvm.mk b/package/llvm/llvm.mk
> index 1f9bd44..79477f0 100644
> --- a/package/llvm/llvm.mk
> +++ b/package/llvm/llvm.mk
> @@ -197,8 +197,17 @@ HOST_LLVM_CONF_OPTS += \
>  # We need to activate LLVM_INCLUDE_TOOLS, otherwise it does not generate
>  # libLLVM.so
>  LLVM_CONF_OPTS += \
> -	-DLLVM_INCLUDE_TOOLS=ON \
> +	-DLLVM_INCLUDE_TOOLS=ON
> +
> +# The llvm-symbolizer binary is used by the Compiler-RT Fuzzer
> +# and AddressSanitizer tools for stack traces.
> +ifeq ($(BR2_PACKAGE_COMPILER_RT),y)
> +LLVM_CONF_OPTS += \
> +	-DLLVM_BUILD_TOOLS=ON
> +else
> +LLVM_CONF_OPTS += \
>  	-DLLVM_BUILD_TOOLS=OFF
> +endif
>  
>  # Compiler-rt not in the source tree.
>  # llvm runtime libraries are not in the source tree.
> 



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