https://bugs.kde.org/show_bug.cgi?id=432639
--- Comment #1 from [email protected] --- can you provide a patch? c++17 is 4 years old and I don't really like to fix compiler bugs, even though I know that gcc 8.4 was released just last year and that's not a lot of time for linux distros to pick it up. On Mon, Feb 8, 2021 at 12:48 PM <[email protected]> wrote: > https://bugs.kde.org/show_bug.cgi?id=432639 > > Bug ID: 432639 > Summary: Konsole needs gcc > 8.3 (fully supporting C++17) for > for_each_n function > Product: konsole > Version: master > Platform: Compiled Sources > OS: Linux > Status: REPORTED > Severity: normal > Priority: NOR > Component: general > Assignee: [email protected] > Reporter: [email protected] > Target Milestone: --- > > SUMMARY > By default CentOS 8.3 uses gcc 8.3.1. > Konsole from master now fails due to this error: > /media/MyPassport/git/konsole/src/Screen.cpp: In function 'void > toDebug(const > Konsole::Character*, int, bool)': > /media/MyPassport/git/konsole/src/Screen.cpp:394:10: error: 'for_each_n' > is not > a member of 'std' > std::for_each_n(s, count, [&out](const Character &i) { out += > i.character; > }); > ^~~~~~~~~~ > /media/MyPassport/git/konsole/src/Screen.cpp:394:10: note: suggested > alternative: 'for_each' > std::for_each_n(s, count, [&out](const Character &i) { out += > i.character; > }); > ^~~~~~~~~~ > for_each > > To be able to compile, another tool chain fully supporting C++17 must be > installed and enabled: dnf install gcc-toolset-10-toolchain (or > gcc-toolset-9-toolchain). > Then all compiles well. > This is the first time this requirement appears for KDE from what I can > tell. > > A link about that: https://github.com/VcDevel/Vc/issues/182 > > Even if this is easily fixed with a newer toolchain, it will cause some > questions. > > STEPS TO REPRODUCE > 1. cmake > 2. make > > OBSERVED RESULT > Compilation error: > /git/konsole/src/Screen.cpp:394:10: error: 'for_each_n' is not a member of > 'std' > /git/konsole/src/Screen.cpp:394:10: note: suggested alternative: 'for_each' > > EXPECTED RESULT > Change to a source code allowing a successful compilation with gcc 8.3.x > or add > a cmake check explaining this new requirement (dnf install > gcc-toolset-10-toolchain or dnf install gcc-toolset-9-toolchain). > > SOFTWARE/OS VERSIONS > KDE Plasma Version: 5.20.2 > KDE Frameworks Version: 5.76.0 > Qt Version: 5.15.1 > > -- > You are receiving this mail because: > You are the assignee for the bug. -- You are receiving this mail because: You are watching all bug changes.
