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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