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

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: maxim.cournoyer <at> gmail.com
Subject: bug#42702: closed (Re: bug#42702: catch2 build failure on ARM)
Date: Tue, 04 Aug 2020 07:46:02 +0000

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Your bug report

#42702: catch2 fails to build on non x86_64 systems

which was filed against the guix package, has been closed.

The explanation is attached below, along with your original report.
If you require more details, please reply to 42702 <at> debbugs.gnu.org.

-- 
42702: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=42702
GNU Bug Tracking System
Contact help-debbugs <at> gnu.org with problems

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From: Efraim Flashner <efraim <at> flashner.co.il>
To: maxim.cournoyer <at> gmail.com
Cc: 42702-done <at> debbugs.gnu.org
Subject: Re: bug#42702: catch2 build failure on ARM
Date: Tue, 4 Aug 2020 10:44:32 +0300

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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.

-- 
Efraim Flashner   <efraim <at> flashner.co.il>   אפרים פלשנר
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From: maxim.cournoyer <at> gmail.com
To: bug-guix <bug-guix <at> gnu.org>
Subject: catch2 build failure on ARM
Date: Mon, 03 Aug 2020 14:22:21 -0400

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 < ' ') {
                ~~~~~^~~~~~~~

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