[Libclc-dev] [PATCH 1/2] travis: Use gcc-6 for llvm-7 build

[Tom Stellard via Libclc-dev]

On 03/12/2019 10:31 PM, Jan Vesely wrote:
> On Tue, 2019-03-12 at 21:45 -0700, Tom Stellard wrote:
>> On 01/14/2019 01:54 PM, Jan Vesely via Libclc-dev wrote:
>>> llvm does not expose -std=c++11 in cxx flags.
>>> gcc-6 switched default from c++98 to c++14
>>
>> So does this mean libclc will be compiled with -std=c++14 now in the
>> travis builds?
> 
> Yes, the 'prepare_builtins' helper tool will be built using c++14.
> Ubuntu has a habit of shipping llvm that was not built using system's
> default c++ compiler, so 'llvm-config --cxxflags' usually kills it.
> 

OK thanks for explaining, LGTM.

> Jan
> 
>>
>> -Tom
>>
>>> Signed-off-by: Jan Vesely <jan.vesely at rutgers.edu>
>>> ---
>>>  .travis.yml | 12 ++++--------
>>>  1 file changed, 4 insertions(+), 8 deletions(-)
>>>
>>> diff --git a/.travis.yml b/.travis.yml
>>> index abdcf58..d4798fa 100644
>>> --- a/.travis.yml
>>> +++ b/.travis.yml
>>> @@ -78,8 +78,7 @@ matrix:
>>>          - LLVM_VERSION=7
>>>          - LLVM_CONFIG="llvm-config-${LLVM_VERSION}"
>>>          - CHECK_FILES="barts-r600--.bc cayman-r600--.bc cedar-r600--.bc cypress-r600--.bc tahiti-amdgcn--.bc amdgcn--amdhsa.bc tahiti-amdgcn-mesa-mesa3d.bc nvptx--nvidiacl.bc nvptx64--nvidiacl.bc"
>>> -        # llvm passes -Werror=date-time which is only supported in gcc-4.9+
>>> -        - MATRIX_EVAL="CC=gcc-4.9 && CXX=g++-4.9"
>>> +        - MATRIX_EVAL="CC=gcc-6 && CXX=g++-6"
>>>        addons:
>>>          apt:
>>>            sources:
>>> @@ -88,8 +87,7 @@ matrix:
>>>              - ubuntu-toolchain-r-test
>>>            packages:
>>>              - libedit-dev
>>> -            # LLVM-7 needs libstdc++4.9
>>> -            - g++-4.9
>>> +            - g++-6
>>>              # From sources above
>>>              - llvm-7-dev
>>>              - clang-7
>>> @@ -162,8 +160,7 @@ matrix:
>>>          - LLVM_VERSION=7
>>>          - LLVM_CONFIG="llvm-config-${LLVM_VERSION}"
>>>          - CHECK_FILES="barts-r600--.bc cayman-r600--.bc cedar-r600--.bc cypress-r600--.bc tahiti-amdgcn--.bc amdgcn--amdhsa.bc tahiti-amdgcn-mesa-mesa3d.bc nvptx--nvidiacl.bc nvptx64--nvidiacl.bc"
>>> -        # llvm passes -Werror=date-time which is only supported in gcc-4.9+
>>> -        - MATRIX_EVAL="CC=gcc-4.9 && CXX=g++-4.9"
>>> +        - MATRIX_EVAL="CC=gcc-6 && CXX=g++-6"
>>>        addons:
>>>          apt:
>>>            sources:
>>> @@ -172,8 +169,7 @@ matrix:
>>>              - ubuntu-toolchain-r-test
>>>            packages:
>>>              - libedit-dev
>>> -            # LLVM-7 needs libstdc++4.9
>>> -            - g++-4.9
>>> +            - g++-6
>>>              # From sources above
>>>              - llvm-7-dev
>>>              - clang-7
>>>
>