In fact, the right way to manage « composite » options is to use « SHELL: »
prefix (introduced in up-coming version 3.12).
Le dim. 3 juin 2018 à 16:11, Neil Carlson <neil.n.carl...@gmail.com> a
écrit :
> Something not immediately obvious to me, and perhaps not to others that
> might come across this thread, is that all spaces in the option string need
> to be replaced with a semicolon, and not just those that separate options
> (with Linux/make at least). For example an option that takes an argument
> '-assume realloc_lhs'. If you do this:
>
> BAD: add_compile_options("$<$<COMPILE_LANGUAGE:Fortran>:-assume
> realloc_lhs>")
>
> you get a single quoted token "-assume realloc_lhs" on the compile line
> which the compiler doesn't understand. The correct thing is
>
>
> GOOD:
> add_compile_options("$<$<COMPILE_LANGUAGE:Fortran>:-assume;realloc_lhs>")
>
>
> On Sun, Jun 3, 2018 at 7:33 AM Neil Carlson <neil.n.carl...@gmail.com>
> wrote:
>
>>
>> On Sun, Jun 3, 2018 at 7:08 AM Marc CHEVRIER <marc.chevr...@gmail.com>
>> wrote:
>>
>>> [...]
>>> GOOD: target_compile_options(someTarget PRIVATE
>>> "$<$<COMPILE_LANGUAGE:CXX>:-Wall;-Wextra>")
>>>
>>
>> Ah, that's it. Never occurred to me to quote the whole thing, thinking
>> that would turn the generator expression into a literal string and not be
>> interpreted. Thanks!
>>
>>
>>
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