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: Efraim Flashner <efraim <at> flashner.co.il>
Cc: tracker <at> debbugs.gnu.org
Subject: bug#42702: closed (catch2 fails to build on non x86_64 systems)
Date: Tue, 04 Aug 2020 07:46:02 +0000

[Message part 1 (text/plain, inline)]

Your message dated Tue, 4 Aug 2020 10:44:32 +0300
with message-id <20200804074432.GN1134 <at> E5400>
and subject line Re: bug#42702: catch2 build failure on ARM
has caused the debbugs.gnu.org bug report #42702,
regarding catch2 fails to build on non x86_64 systems
to be marked as done.

(If you believe you have received this mail in error, please contact
help-debbugs <at> gnu.org.)


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42702: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=42702
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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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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
GPG key = A28B F40C 3E55 1372 662D  14F7 41AA E7DC CA3D 8351
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