[CMake] Question about a simple macro.

[Steven Truppe]

How on earth can i create a variables out of the string flags_to_add ???



On 09.06.19 08:41, Steven Truppe wrote:
>
> OK, i don't realy understand why it does work but i got it working:
>
> include(CMakePrintHelpers)
> macro(bsMergeFlags flags_to_add flags)
>      set(flags_to_add ${flags_to_add} ${ARGN} )
>      cmake_print_variables(flags_to_add)
>
>      message(STATUS "bsMergeFlags ${flags_to_add}")
>      list(APPEND flags ${tmp})
>      message(STATUS "------------")
> endmacro()
>
> Now my problem is that the content of flags_to_add is correct when i
> use cmake_print_variables but not when i try to use it in a message()
> call.
>
>
> I think i do miss some very important part when it comes to variables
> - i'm now studying the hole chapter again, hopefully i understand it then.
>
>
> I hope you guys can help me.
>
>
> best regards!
>
>
> On 09.06.19 08:26, Steven Truppe wrote:
>> ARGV1 gives me the first list entry of my first arguments, but i don't
>> know how i can access the hole list.
>>
>>
>> best regards!
>>
>> On 09.06.19 07:20, Steven Truppe wrote:
>>> Do i need cmake_parse_arguments ??
>>>
>>> On 09.06.19 07:01, Steven Truppe wrote:
>>>> Hi everyone,
>>>>
>>>> i'm a c,c++,asm and a few other languages, but i still have troubles
>>>> with macros and their arguments.
>>>>
>>>> As a simple example i would like to have a macro that list(APPEND the
>>>> two passed arguments), here the code i tried:
>>>>
>>>> https://wandbox.org/permlink/WQZGty9PQaOz3422.
>>>>
>>>>
>>>> Let's forget about the list(APPEND) line, i just need an example that
>>>> prints me out the first and the second argument and i'm not able to
>>>> get
>>>> it right. Would someone please explain to me how i can do this right ?
>>>> I've read the book but that didn't helped me completely.
>>>>
>>>> I hope someone here is so nice to me to explain to me how i can write
>>>> the bsMergeFlags macro and explains me what i'm doing wrong and how to
>>>> correct it.
>>>>
>>>> I played around alot but can't get it right.
>>>>
>>>>
>>>> best regards!
>>>>
>>>>
>
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