GNU bug report logs - #42702
catch2 fails to build on non x86_64 systems

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From: Maxim Cournoyer <maxim.cournoyer <at> gmail.com>
To: 42702 <at> debbugs.gnu.org
Subject: bug#42702: closed (Re: bug#42702: catch2 build failure on ARM)
Date: Sun, 23 Aug 2020 23:27:38 -0400

Hello,

[...]

> From: Efraim Flashner <efraim <at> flashner.co.il>
> Subject: Re: bug#42702: catch2 build failure on ARM
> To: maxim.cournoyer <at> gmail.com
> Cc: 42702-done <at> debbugs.gnu.org
> Date: Tue, 4 Aug 2020 10:44:32 +0300 (2 weeks, 5 days, 19 hours ago)
>
> On Mon, Aug 03, 2020 at 02:22:21PM -0400, maxim.cournoyer <at> gmail.com wrote:
>> On ARM systems, (armhf-linux, aarch64-linux), the catch2 package fails to build, due to a
>> compilation warning treated as an error:
>> 
>> [ 90%] Building CXX object CMakeFiles/SelfTest.dir/include/reporters/catch_reporter_xml.cpp.o
>> /gnu/store/ap7hgyv4rjqmhg4a6cb6cypsh3g1f5q4-gcc-7.5.0/bin/c++   -I/tmp/guix-build-catch2-2.1.2.drv-0/source/include  -O2 -g -DNDEBUG   -Wall -Wextra -Wunreachable-code -Wpedantic -Werror -std=c++11 -o CMakeFiles/SelfTest.dir/include/reporters/catch_reporter_xml.cpp.o -c /tmp/guix-build-catch2-2.1.2.drv-0/source/include/reporters/catch_reporter_xml.cpp
>> /tmp/guix-build-catch2-2.1.2.drv-0/source/include/internal/catch_tostring.cpp: In static member function ‘static std::__cxx11::string Catch::StringMaker<char>::convert(char)’:
>> /tmp/guix-build-catch2-2.1.2.drv-0/source/include/internal/catch_tostring.cpp:202:21: error: comparison is always true due to limited range of data type [-Werror=type-limits]
>>      } else if ('\0' <= value && value < ' ') {
>>                 ~~~~~^~~~~~~~
>
> Fixed in 7f101e7ceb869882b9a959cb7801aea64c26704d
>
> Do note that this breaks libfive, which has no dependants.

Thank you for fixing it! :-)

Maxim

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