[BUG] compile failure on openbsd 7.5 sparc64

[webmonkey44]

I am having a compile failure with this platform that should work as ive tested it on i368.
ive listed everything i possibly can to fixing it or getting a workaround.

this is the best knowledge i can construct at this point. i apology for being newbie as i justed wanted my server to do things, and am not a dev expert..

OS: OpenBSD 7.5 sparc64
Host: Sun SUNW,SPARC-Enterprise-T5120
Uptime: 2 hours, 31 mins
Packages: 48 (pkg_info)
Shell: bash 5.2.26
Terminal: /dev/ttyp1
CPU: SUNW,UltraSPARC-T2 (rev (32/32, SMT off) @ 1.165GHz
Memory: 68MiB / 16256MiB

01:23:52-linuxfan66@sparc64:~/gitreps/btop$ ld -v
GNU ld version 2.17

dev variables active
export AUTOMAKE_VERSION=1.16
export AUTOCONF_VERSION=2.71
export AR=/usr/local/bin/llvm-ar-17
export AS=/usr/local/bin/llvm-as-17
export CC=/usr/local/bin/clang-17
export CXX=/usr/local/bin/clang++-17
export CPP=/usr/local/bin/clang-cpp-17
export LD=/usr/local/bin/ld.lld-17

01:08:20-linuxfan66@sparc64:~/gitreps/btop$ gmake

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╚═════╝ ╚═╝ ╚═════╝ ╚═╝ Makefile v1.6
PLATFORM ?| OpenBSD
ARCH ?| sparc64
GPU_SUPPORT :| false

Command 'lowdown' not found: skipping generating man page btop.1
Configuring obj/config.h
CXX ?| /usr/local/bin/clang++-17 (17.0.6)
THREADS :| 32
REQFLAGS !| -std=c++20
WARNFLAGS :| -Wall -Wextra -pedantic
OPTFLAGS :| -O2 -ftree-vectorize -flto=thin
LDCXXFLAGS :| -pthread -DFMT_HEADER_ONLY -D_GLIBCXX_ASSERTIONS -D_FILE_OFFSET_BITS=64 -fexceptions -fstack-clash-protection -fstack-protector -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=3 -lkvm -static-libstdc++
CXXFLAGS +| $(REQFLAGS) $(LDCXXFLAGS) $(OPTFLAGS) $(WARNFLAGS)
LDFLAGS +| $(LDCXXFLAGS) $(OPTFLAGS) $(WARNFLAGS)
Compiling src/btop.cpp
Compiling src/btop_config.cpp
Compiling src/btop_draw.cpp
Compiling src/btop_input.cpp
Compiling src/btop_menu.cpp
Compiling src/btop_shared.cpp
Compiling src/btop_theme.cpp
Compiling src/openbsd/btop_collect.cpp
Compiling src/btop_tools.cpp
Compiling src/openbsd/sysctlbyname.cpp
clang++: warning: -lkvm: 'linker' input unused [-Wunused-command-line-argument]
clang++: warning: argument unused during compilation: '-fstack-clash-protection' [-Wunused-command-line-argument]
clang++: warning: argument unused during compilation: '-static-libstdc++' [-Wunused-command-line-argument]
clang++: warning: -lkvm: 'linker' input unused [-Wunused-command-line-argument]
clang++: warning: argument unused during compilation: '-fstack-clash-protection' [-Wunused-command-line-argument]
clang++: warning: argument unused during compilation: '-static-libstdc++' [-Wunused-command-line-argument]
clang++: warning: -lkvm: 'linker' input unused [-Wunused-command-line-argument]
clang++: warning: -lkvm: 'linker' input unused [-Wunused-command-line-argument]
clang++: warning: -lkvm: 'linker' input unused [-Wunused-command-line-argument]
clang++: warning: argument unused during compilation: '-fstack-clash-protection' [-Wunused-command-line-argument]
clang++: warning: clang++argument unused during compilation: '-static-libstdc++' [-Wunused-command-line-argument]:
warning: -lkvm: 'linker' input unused [-Wunused-command-line-argument]
clang++: clang++: warning: -lkvm: 'linker' input unused [-Wunused-command-line-argument]warning:
-lkvm: 'linker' input unused [-Wunused-command-line-argument]
clang++clang++: : warning: warning: -lkvm: 'linker' input unused [-Wunused-command-line-argument]
-lkvm: 'linker' input unused [-Wunused-command-line-argument]
clang++: warning: argument unused during compilation: '-fstack-clash-protection' [-Wunused-command-line-argument]

Building btop++ (v1.4.0) OpenBSD sparc64
clang++: warning: argument unused during compilation: '-static-libstdc++' [-Wunused-command-line-argument]
clang++: warning: argument unused during compilation: '-fstack-clash-protection' [-Wunused-command-line-argument]
clang++: warning: argument unused during compilation: '-static-libstdc++' [-Wunused-command-line-argument]
clang++: warning: clang++argument unused during compilation: '-fstack-clash-protection' [-Wunused-command-line-argument]:
warning: argument unused during compilation: '-fstack-clash-protection' [-Wunused-command-line-argument]clang++
: clang++warning: : argument unused during compilation: '-static-libstdc++' [-Wunused-command-line-argument]warning:
argument unused during compilation: '-static-libstdc++' [-Wunused-command-line-argument]
clang++clang++: : warning: warning: argument unused during compilation: '-fstack-clash-protection' [-Wunused-command-line-argument]argument unused during compilation: '-fstack-clash-protection' [-Wunused-command-line-argument]

clang++clang++: : warning: warning: argument unused during compilation: '-static-libstdc++' [-Wunused-command-line-argument]argument unused during compilation: '-static-libstdc++' [-Wunused-command-line-argument]

clang++: warning: argument unused during compilation: '-fstack-clash-protection' [-Wunused-command-line-argument]
clang++: warning: argument unused during compilation: '-static-libstdc++' [-Wunused-command-line-argument]
src/btop_tools.cpp:215:30: warning: 'codecvt_utf8<wchar_t>' is deprecated [-Wdeprecated-declarations]
215 | std::wstring_convert<std::codecvt_utf8<wchar_t>> conv;
| ^
/usr/include/c++/v1/codecvt:187:28: note: 'codecvt_utf8<wchar_t>' has been explicitly marked deprecated here
187 | class _LIBCPP_TEMPLATE_VIS _LIBCPP_DEPRECATED_IN_CXX17 codecvt_utf8
| ^
/usr/include/c++/v1/__config:808:41: note: expanded from macro '_LIBCPP_DEPRECATED_IN_CXX17'
808 | # define _LIBCPP_DEPRECATED_IN_CXX17 _LIBCPP_DEPRECATED
| ^
/usr/include/c++/v1/__config:781:49: note: expanded from macro '_LIBCPP_DEPRECATED'
781 | # define _LIBCPP_DEPRECATED attribute((deprecated))
| ^
src/btop_tools.cpp:215:9: warning: 'wstring_convert<std::codecvt_utf8<wchar_t>>' is deprecated [-Wdeprecated-declarations]
215 | std::wstring_convert<std::codecvt_utf8<wchar_t>> conv;
| ^
/usr/include/c++/v1/locale:3603:28: note: 'wstring_convert<std::codecvt_utf8<wchar_t>>' has been explicitly marked deprecated here
3603 | class _LIBCPP_TEMPLATE_VIS _LIBCPP_DEPRECATED_IN_CXX17 wstring_convert
| ^
/usr/include/c++/v1/__config:808:41: note: expanded from macro '_LIBCPP_DEPRECATED_IN_CXX17'
808 | # define _LIBCPP_DEPRECATED_IN_CXX17 _LIBCPP_DEPRECATED
| ^
/usr/include/c++/v1/__config:781:49: note: expanded from macro '_LIBCPP_DEPRECATED'
781 | # define _LIBCPP_DEPRECATED attribute((deprecated))
| ^
src/btop_tools.cpp:245:31: warning: 'codecvt_utf8<wchar_t>' is deprecated [-Wdeprecated-declarations]
245 | std::wstring_convert<std::codecvt_utf8<wchar_t>> conv;
| ^
/usr/include/c++/v1/codecvt:187:28: note: 'codecvt_utf8<wchar_t>' has been explicitly marked deprecated here
187 | class _LIBCPP_TEMPLATE_VIS _LIBCPP_DEPRECATED_IN_CXX17 codecvt_utf8
| ^
/usr/include/c++/v1/__config:808:41: note: expanded from macro '_LIBCPP_DEPRECATED_IN_CXX17'
808 | # define _LIBCPP_DEPRECATED_IN_CXX17 _LIBCPP_DEPRECATED
| ^
/usr/include/c++/v1/__config:781:49: note: expanded from macro '_LIBCPP_DEPRECATED'
781 | # define _LIBCPP_DEPRECATED attribute((deprecated))
| ^
src/btop_tools.cpp:245:10: warning: 'wstring_convert<std::codecvt_utf8<wchar_t>>' is deprecated [-Wdeprecated-declarations]
245 | std::wstring_convert<std::codecvt_utf8<wchar_t>> conv;
| ^
/usr/include/c++/v1/locale:3603:28: note: 'wstring_convert<std::codecvt_utf8<wchar_t>>' has been explicitly marked deprecated here
3603 | class _LIBCPP_TEMPLATE_VIS _LIBCPP_DEPRECATED_IN_CXX17 wstring_convert
| ^
/usr/include/c++/v1/__config:808:41: note: expanded from macro '_LIBCPP_DEPRECATED_IN_CXX17'
808 | # define _LIBCPP_DEPRECATED_IN_CXX17 _LIBCPP_DEPRECATED
| ^
/usr/include/c++/v1/__config:781:49: note: expanded from macro '_LIBCPP_DEPRECATED'
781 | # define _LIBCPP_DEPRECATED attribute((deprecated))
| ^
9% -> obj/openbsd/sysctlbyname.o (152KiB) ()
18% -> obj/btop_input.o (304KiB) ()
27% -> obj/btop_theme.o (352KiB) ()
4 warnings generated.
36% -> obj/btop_tools.o (544KiB) ()
45% -> obj/btop_config.o (544KiB) ()
54% -> obj/btop_shared.o (432KiB) ()
63% -> obj/openbsd/btop_collect.o (528KiB) ()
72% -> obj/btop.o (640KiB) ()
81% -> obj/btop_menu.o (704KiB) ()
90% -> obj/btop_draw.o (1.1MiB) ()

Linking and optimizing binary...
clang++: warning: argument unused during compilation: '-static-libstdc++' [-Wunused-command-line-argument]
ld.lld: error: obj/btop.o: could not infer e_machine from bitcode target triple sparc64-unknown-openbsd7.5
ld.lld: error: obj/btop_config.o: could not infer e_machine from bitcode target triple sparc64-unknown-openbsd7.5
ld.lld: error: obj/btop_draw.o: could not infer e_machine from bitcode target triple sparc64-unknown-openbsd7.5
ld.lld: error: obj/btop_input.o: could not infer e_machine from bitcode target triple sparc64-unknown-openbsd7.5
ld.lld: error: obj/btop_menu.o: could not infer e_machine from bitcode target triple sparc64-unknown-openbsd7.5
ld.lld: error: obj/btop_shared.o: could not infer e_machine from bitcode target triple sparc64-unknown-openbsd7.5
ld.lld: error: obj/btop_theme.o: could not infer e_machine from bitcode target triple sparc64-unknown-openbsd7.5
ld.lld: error: obj/btop_tools.o: could not infer e_machine from bitcode target triple sparc64-unknown-openbsd7.5
ld.lld: error: obj/openbsd/btop_collect.o: could not infer e_machine from bitcode target triple sparc64-unknown-openbsd7.5
ld.lld: error: obj/openbsd/sysctlbyname.o: could not infer e_machine from bitcode target triple sparc64-unknown-openbsd7.5
clang++: error: linker command failed with exit code 1 (use -v to see invocation)
gmake: *** [Makefile:412: btop] Error 1

[imwints]

This seems to be something for upstream OpenBSD or LLVM.