[FFmpeg-devel] [PATCH] configure: fix clang-cl detection

[Derek Buitenhuis]

On 4/18/2018 9:27 AM, Timo Rothenpieler wrote:
> On 18.04.2018 10:05, Wang Bin wrote:
>>>
>>>
>>> -    elif $_cc -nologo- 2>&1 | grep -q Microsoft; then
>>> +    elif $_cc -nologo- 2>&1 | grep -q Microsoft || $_cc -v 2>&1 | grep -q
>>> clang && $_cc -? > /dev/null 2>&1; then
>>>          _type=msvc
>>>          _ident=$($_cc 2>&1 | head -n1)
>>>          _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 |
>>> awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if
>>> (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
>>>
>>>
>> This breaks msvc build because msys's link.exe is tested instead of mslink
>> script
> 
> Sounds more like an issue with your build environment to me? Make sure
> the msvc build tools take precedence in your PATH.

I believe Wang is correct, it should be checking mslink, which is our own script
specifically to wrap link.exe.

See compat/windows/mslink and its history.

- Derek