From: Stuart Henderson <stu@spacehopper.org>
Subject: Re: [NEW] btop++
To: Jos Dehaes <jos.dehaes@gmail.com>
Cc: ports@openbsd.org
Date: Mon, 8 Apr 2024 16:07:27 +0100

Attached.

On 2024/04/06 21:57, Jos Dehaes wrote:
> Hi, 
> 
> With the 7.5 release, I tried again, and finally btop now builds with attached port. However,
> I'm struggling with the PLIST file, it seems the fake install is messing up the prefix
> somehow. 
> 
> Can someone help?
> 
> Cheers,
> Jos
> 
> On Tue, 5 Sept 2023 at 19:59, Stuart Henderson <stu@spacehopper.org> wrote:
> 
>     On 2023/09/05 15:58, Stuart Henderson wrote:
>     > On 2023/09/05 16:34, Jos Dehaes wrote:
>     > > Hi,
>     > >
>     > > I want to add the btop port. I used a package from the tech mailing list by
>     > > Stuart Henderson as a base. The problem is that btop needs to be compiled
>     > > with C++20 compiler. He suggested using clang 16, but I could not get that
>     > > to work.
>     > >
>     > > I just used the native g++ detection in the btop Makefile, and this works,
>     > > provided that g++ version 11 is installed. I could not find a way to encode
>     > > that in the port.
>     > >
>     > > Kindly provide guidance on how to get this included.
>     > >
>     > > Cheers,
>     > > Jos
>     >
>     > As I said before, GCC 11 cannot be used as a build dependency in ports.
>     >
>     > The clang 16 bits in the tree are very new, wait for it to settle a bit.
>     >
> 
>     the attached tar does build with clang 16 but it still fails:
> 
>     c++ -std=c++20 -pthread -D_FORTIFY_SOURCE=2 -D_GLIBCXX_ASSERTIONS -D_FILE_OFFSET_BITS=64
>     -fexceptions -fstack-clash-protection -fcf-protection -fstack-protector -lkvm -O2
>     -ftree-vectorize -flto=thin -Wall -Wextra -pedantic -isystem include -Isrc -MMD -c -o obj/
>     btop.o src/btop.cpp
>     clang-16: warning: -lkvm: 'linker' input unused [-Wunused-command-line-argument]
>     clang-16: warning: argument unused during compilation: '-fstack-clash-protection'
>     [-Wunused-command-line-argument]
>     In file included from src/btop.cpp:47:
>     src/btop_tools.hpp:159:48: error: no member named 'count_if' in namespace 'std::ranges'
>                     return (wide ? wide_ulen(str) : std::ranges::count_if(str, [](char c) {
>     return (static_cast<unsigned char>(c) & 0xC0) != 0x80; }));
>                                                     ~~~~~~~~~~~~~^
>     src/btop_tools.hpp:179:16: error: no member named 'for_each' in namespace 'std::ranges'
>                     std::ranges::for_each(str, [](auto& c) { c = ::toupper(c); } );
>                     ~~~~~~~~~~~~~^
>     src/btop_tools.hpp:185:16: error: no member named 'for_each' in namespace 'std::ranges'
>                     std::ranges::for_each(str, [](char& c) { c = ::tolower(c); } );
>                     ~~~~~~~~~~~~~^
>     src/btop_tools.hpp:214:10: error: no member named 'distance' in namespace 'std::ranges';
>     did you mean 'std::distance'?
>                     return std::ranges::distance(vec.begin(), std::ranges::find(vec,
>     find_val));
>                            ^~~~~~~~~~~~~~~~~~~~~
>                            std::distance
>     /usr/include/c++/v1/__iterator/distance.h:47:1: note: 'std::distance' declared here
>     distance(_InputIter __first, _InputIter __last)
>     ^
>     4 errors generated.
> 
>