Skip to content

Warning when compiling my that's use VarHolder #2222

@lgm42

Description

@lgm42

Expected behavior

no warning when building my source

Actual behavior

Each time I build my project I get error :

/home/nicolas/projets/aqit-map/aqit-map-backend/workspace/aqit-map-backend/third party/poco-1.9.0-all/linux/include/Poco/Dynamic/VarHolder.h: In instantiation of ‘void Poco::Dynamic::VarHolder::checkUpperLimit(const F&) const [with F = signed char; T = unsigned int]’:
/home/nicolas/projets/aqit-map/aqit-map-backend/workspace/aqit-map-backend/third party/poco-1.9.0-all/linux/include/Poco/Dynamic/VarHolder.h:370:23: required from ‘void Poco::Dynamic::VarHolder::convertSignedToUnsigned(const F&, T&) const [with F = signed char; T = unsigned int]’
/home/nicolas/projets/aqit-map/aqit-map-backend/workspace/aqit-map-backend/third party/poco-1.9.0-all/linux/include/Poco/Dynamic/VarHolder.h:771:36: required from here
/home/nicolas/projets/aqit-map/aqit-map-backend/workspace/aqit-map-backend/third party/poco-1.9.0-all/linux/include/Poco/Dynamic/VarHolder.h:419:12: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
if (from > std::numeric_limits::max())

Steps to reproduce the problem

compile without using [-Wsign-compare

POCO version

1.9.0

Compiler and version

> g++ -v


Using built-in specs.
COLLECT_GCC=g++
COLLECT_LTO_WRAPPER=/usr/lib/gcc/x86_64-linux-gnu/5/lto-wrapper
Target: x86_64-linux-gnu
Configured with: ../src/configure -v --with-pkgversion='Ubuntu 5.4.0-6ubuntu1~16.04.5' --with-bugurl=file:///usr/share/doc/gcc-5/README.Bugs --enable-languages=c,ada,c++,java,go,d,fortran,objc,obj-c++ --prefix=/usr --program-suffix=-5 --enable-shared --enable-linker-build-id --libexecdir=/usr/lib --without-included-gettext --enable-threads=posix --libdir=/usr/lib --enable-nls --with-sysroot=/ --enable-clocale=gnu --enable-libstdcxx-debug --enable-libstdcxx-time=yes --with-default-libstdcxx-abi=new --enable-gnu-unique-object --disable-vtable-verify --enable-libmpx --enable-plugin --with-system-zlib --disable-browser-plugin --enable-java-awt=gtk --enable-gtk-cairo --with-java-home=/usr/lib/jvm/java-1.5.0-gcj-5-amd64/jre --enable-java-home --with-jvm-root-dir=/usr/lib/jvm/java-1.5.0-gcj-5-amd64 --with-jvm-jar-dir=/usr/lib/jvm-exports/java-1.5.0-gcj-5-amd64 --with-arch-directory=amd64 --with-ecj-jar=/usr/share/java/eclipse-ecj.jar --enable-objc-gc --enable-multiarch --disable-werror --with-arch-32=i686 --with-abi=m64 --with-multilib-list=m32,m64,mx32 --enable-multilib --with-tune=generic --enable-checking=release --build=x86_64-linux-gnu --host=x86_64-linux-gnu --target=x86_64-linux-gnu
Thread model: posix
gcc version 5.4.0 20160609 (Ubuntu 5.4.0-6ubuntu1~16.04.5) 

Operating system and version

Linux Ubuntu 16.04

Other relevant information

Metadata

Metadata

Assignees

No one assigned

    Type

    No type

    Projects

    No projects

    Relationships

    None yet

    Development

    No branches or pull requests

    Issue actions