[PATCH] Related: OS#3663 Fix failed compilation on macOS Mojave with clang in CMakeLists.txt

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Michael Auß michael.auss at gmail.com
Sat Oct 20 08:46:52 UTC 2018


PS:

C++11 defined list initialization:
https://en.cppreference.com/w/cpp/language/list_initialization



> Am 20.10.2018 um 10:36 schrieb Michael Auß <michael.auss at gmail.com>:
> 
>> Am 20.10.2018 um 01:45 schrieb Greg Troxel <gdt at lexort.com>:
>> My point really is that there should be a decision about the language, that should  be in the
>> README, and the build system should set --std for that chosen language,
>> and then whatever needs to be fixed should be fixed.
> 
> 
> 
> I only added the flag for compilers based on the existing pattern *.clang and my new pattern matching "c++“.
> So the Build system is setting the language only for clang at this point.
> 
> I tested  the output for c++98 which resulted in the bugs original errors:
> 
> [ 61%] Building CXX object lib/CMakeFiles/gnuradio-osmosdr.dir/rtl_tcp/rtl_tcp_source_c.cc.o
> /Users/aussmich/Projekte/gr-osmosdr/lib/rtl_tcp/rtl_tcp_source_c.cc:301:9: error: expected expression
>  cmd = { 0x09, htonl(direct_samp) };
>        ^
> /Users/aussmich/Projekte/gr-osmosdr/lib/rtl_tcp/rtl_tcp_source_c.cc:307:9: error: expected expression
>  cmd = { 0x0a, htonl(offset_tune) };
>        ^
> /Users/aussmich/Projekte/gr-osmosdr/lib/rtl_tcp/rtl_tcp_source_c.cc:311:9: error: expected expression
>  cmd = { 0x0e, htonl(bias_tee) };
>        ^
> /Users/aussmich/Projekte/gr-osmosdr/lib/rtl_tcp/rtl_tcp_source_c.cc:570:9: error: expected expression
>  cmd = { 0x08, htonl(automatic) };
>        ^
> In file included from /Users/aussmich/Projekte/gr-osmosdr/lib/rtl_tcp/rtl_tcp_source_c.cc:30:
> In file included from /Users/aussmich/Projekte/gr-osmosdr/lib/rtl_tcp/rtl_tcp_source_c.h:23:
> In file included from /usr/local/Cellar/gnuradio/3.7.13.4/include/gnuradio/sync_block.h:27:
> In file included from /usr/local/Cellar/gnuradio/3.7.13.4/include/gnuradio/block.h:29:
> /usr/local/Cellar/gnuradio/3.7.13.4/include/gnuradio/logger.h:766:16: warning: private field 'd_logger' is not used [-Wunused-private-field]
>    logger_ptr d_logger;
>               ^
> 1 warning and 4 errors generated.
> make[2]: *** [lib/CMakeFiles/gnuradio-osmosdr.dir/rtl_tcp/rtl_tcp_source_c.cc.o] Error 1
> make[1]: *** [lib/CMakeFiles/gnuradio-osmosdr.dir/all] Error 2
> make: *** [all] Error 2
> 
> 
> 
> I then tried c++11 which compiles just fine, so the minimum language required for this file is c++11 and not c++14 as stated in my patch.
> 
> 
> 
> 




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