[Lldb-commits] [PATCH] D70764: build: reduce CMake handling for zlib

Mon Jan 6 23:02:41 PST 2020

smeenai added a comment.

In D70764#1803559 <https://reviews.llvm.org/D70764#1803559>, @raj.khem wrote:

> this is now in master, and I am seeing build failures in cross-building clang, e.g. when building clang for arm on a x86_64 host. its resorting to finding, libz from buildhost instead of target sysroot ( using --sysroot) and failing in link step. e.g.
>
> FAILED: bin/llvm-config
>  ...
>  .... -o bin/llvm-config  -Wl,-rpath,"\$ORIGIN/../lib"  lib/libLLVMSupport.a  /usr/lib/libz.so  -lrt  -ldl  -ltinfo  -lm  lib/libLLVMDemangle.a
>  ...
>
> aarch64-yoe-linux-musl/aarch64-yoe-linux-musl-ld: /usr/lib/libz.so: error adding symbols: file in wrong format
>  clang-10: error: linker command failed with exit code 1 (use -v to see invocation)
>
> you can see that its adding /usr/lib/libz.so to linker cmdline while cross linking.

Have you set `CMAKE_SYSROOT` appropriately?

Repository:
  rG LLVM Github Monorepo

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  https://reviews.llvm.org/D70764/new/

https://reviews.llvm.org/D70764