> So in CMake parlance, what type is the last argument to
> target_compile_definitions? Is it a list, string or something else?
>
It's a series of VISIBILITY_SPECIFIER DEF1 DEF2 ... DEFN, so the visibility
specifier followed by a list of definitions, optionally followed by another
visibility specifier and list of definitions, etc.
add_library(Foo OBJECT Foo.cxx)
target_compile_definitions(Foo
PUBLIC
COMMON_DEF_1 COMMON_DEF_2
PRIVATE
FOO_SPECIFIC_DEF=42
)
will translate to something like:
c++ -DCOMMON_DEF_1 -DCOMMON_DEF_2 -DFOO_SPECIFIC_DEF=4 -o Foo.cxx.o -c
Foo.cxx
- Chuck
>
> *From: *Chuck Atkins <[email protected]>
> *Date: *Thursday, October 11, 2018 at 2:55 PM
> *To: *Rob Boehne <[email protected]>
> *Cc: *CMake Mail List <[email protected]>
> *Subject: *Re: [CMake] Building arguments to target_comple_definitions()
>
>
>
> So, are you suggesting that I make a “dummy” target and fill it with the
> common options in compile_definitions() and include_directories() (et. al.)
>
> Then make my OBJECT libraries (and the shared library) depend on the
> “dummy” target?
>
>
>
> If that’s not the suggestion, I’m afraid I don’t see how I can use this to
> set the common flags
>
>
>
> That's certainly one way you can solve the problem, i.e. making an
> interface library with the common defs, and a good idea at that, but that's
> not what I was referring to. I was simply tying to explain that the error
> your getting trying to pass arguments to target_compile_options is because
> you're missing the visibility argument.
>
>
>
> - Chuck
>
--
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