[Mesa-dev] Build fail since configure.ac: rework llvm libs handling for 3.9+

[Emil Velikov]

On 16 October 2017 at 03:22, Jan Vesely <jan.vesely at rutgers.edu> wrote:
> On Sun, 2017-10-15 at 00:00 +0100, Andy Furniss wrote:
>> Andy Furniss wrote:
>> > Since
>> >
>> > commit 13a53c4f5cdd664fd155c9e78fb46a4387af006c
>> > Author: Emil Velikov <emil.velikov at collabora.com>
>> > Date:   Thu Oct 5 11:19:05 2017 +0100
>> >
>> >      configure.ac: rework llvm libs handling for 3.9+
>> >
>> > I am getting 00s of
>> >
>> > .... /mesa/src/amd/common/..... undefined reference to LLVM......
>> >
>> > Using git llvm have tried with -DLLVM_APPEND_VC_REV=OFF
>> >
>> > My llvm config =
>> >
>> > cmake -DCMAKE_INSTALL_PREFIX=/usr -DCMAKE_BUILD_TYPE=Release
>> > -DLLVM_TARGETS_TO_BUILD="host;AMDGPU" -DLLVM_ENABLE_ASSERTIONS=ON
>> > -DLLVM_BUILD_LLVM_DYLIB=ON
>>
>> Build is OK with llvm built with -DLLVM_LINK_LLVM_DYLIB=ON
>
> THis is weird. that option should only set whether llvm executables are
> dynamically linked. is the llvm-config output different when you toggle
> this setting?
>
Precisely what I was wondering as well.

Andy can you please share the output of the following commands across
your build combinations:
llvm-config --link-shared --libs bitwriter
llvm-config --link-static --libs bitwriter
llvm-config --link-static --system-libs

Thanks
Emil