On Fri, Oct 16, 2015 at 10:= 58 AM, Petr Bena <benapetr@gmail.com> wrote:
If I did that nearly nobody would be able to compile my= program as
cmake >=3D 3.1 is extremely rare on most distributions. Even ubuntu'= s
PPA builder has some ancient version.

On Fri, Oct 16, 2015 at 9:44 AM, Petr Kmoch <petr.kmoch@gmail.com> wrote:
> Hi Petr.
>
> You're using a feature (`CMAKE_CXX_STANDARD`) introduced in CMake = version
> 3.1, so you should require a minimum version >=3D that.
>
> You can learn the version of CMake by running `cmake --version`
>
> Petr
>
> On Thu, Oct 15, 2015 at 5:45 PM, Petr Bena <benapetr@gmail.com> wrote:
>>
>> What do you mean by "target" property? I don't see a= ny target
>> mentioned there. I don't have this line in there. I don't = know which
>> CMake this is, it failed on server we use for unit tests, but I ha= ve
>> required min. version set to 2.8.7
>>
>>
>>
>> On Thu, Oct 15, 2015 at 5:41 PM, Matthew S Wallace
>> <mwallace@ccmtrading= .com> wrote:
>> > What version of CMake are you using?=C2=A0 I=E2=80=99m using = 3.3.2.=C2=A0 The only other
>> > thing I did was:
>> >
>> > set_property(GLOBAL PROPERTY CXX_STANDARD_REQUIRED)
>> >
>> > I=E2=80=99m guessing this probably does nothing since it is p= robably a target
>> > property.
>> >
>> > -Matt
>> >
>> >> On Oct 15, 2015, at 10:34 AM, Petr Bena <benapetr@gmail.com> wrote:
>> >>
>> >> Can you elaborate on it a bit?
>> >>
>> >> I put set(CMAKE_CXX_STANDARD 11) as first line of my CMak= eLists and it
>> >> still doesn't work, without the hack I used I get err= ors while
>> >> compiling.
>> >>
>> >> Can you give me example file in which it works? I guess t= here is more
>> >> needed for it to work.
>> >>
>> >> On Tue, Oct 13, 2015 at 7:12 PM, Matthew S Wallace
>> >> <mwallace@c= cmtrading.com> wrote:
>> >>> Thanks, setting the global variable solved my issue.<= br> >> >>>
>> >>> -Matt
>> >>>
>> >>>> On Oct 13, 2015, at 10:46 AM, Johannes Zarl-Zierl=
>> >>>> <johannes.zarl-zierl@jku.at> wrote:
>> >>>>
>> >>>> Hi,
>> >>>>
>> >>>> CXX_STANDARD is a target property, not a global o= ne. You can either
>> >>>> set
>> >>>> CXX_STANDARD for every target that needs it, or s= et it globally by
>> >>>> changing
>> >>>> the default value.
>> >>>>
>> >>>> You can do the latter by setting the variable CMA= KE_CXX_STANDARD
>> >>>> before
>> >>>> defining any target that depends on it:
>> >>>>
>> >>>> set(CMAKE_CXX_STANDARD 11)
>> >>>>
>> >>>> HTH,
>> >>>> Johannes
>> >>>>
>> >>>> On Tuesday 13 October 2015 10:22:36 Matthew S Wal= lace wrote:
>> >>>>> I have the following two lines in my CMakeLis= ts.txt
>> >>>>>
>> >>>>> set_property(GLOBAL PROPERTY CXX_STANDARD 11)=
>> >>>>> set_property(GLOBAL PROPERTY CXX_STANDARD_REQ= UIRED)
>> >>>>>
>> >>>>> However when compiling some of my source file= s, the -std=3Dc++11 flag
>> >>>>> is not
>> >>>>> added.
>> >>>>>
>> >>>>> Just for good measure I added:
>> >>>>> target_compile_features(my_target PRIVATE cxx= _strong_enums) to the
>> >>>>> target
>> >>>>> that was having the problem.
>> >>>>>
>> >>>>> Not sure if it matters, but in this case the = compile error I=E2=80=99m
>> >>>>> getting is
>> >>>>> complaining because I=E2=80=99m referencing a= fully scoped enum.=C2=A0 If I
>> >>>>> explicitly
>> >>>>> include -std=3Dc++11 in my compile flags, eve= rything works.
>> >>>>>
>> >>>>> I=E2=80=99m thinking I=E2=80=99m probably jus= t misunderstanding how CXX_STANDARD
>> >>>>> works, but
>> >>>>> any help would be appreciated.
>> >>>>>
>> >>>>> -Matt
>> >>>>
>> >>>> --
>> >>>>
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>> Please keep messages on-topic and check the CMake FAQ at:
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Pau Garcia i Quiles
http://www.elpauer.org
(Due to my wo= rkload, I may need 10 days to answer)