btop @1.4.7 does not build on macOS Sonoma 14.8.5 because src/btop_config.cpp:819:24: error: constexpr function's return type 'std::optional<fs::path>' is not a literal type

[ballapete (Peter "Pete" Dyballa)]

[1;97mCompiling src/osx/sensors.cpp[0m
clang++: warning: -framework IOKit: 'linker' input unused [-Wunused-command-line-argument]
clang++: warning: -framework CoreFoundation: 'linker' input unused [-Wunused-command-line-argument]
clang++: warning: -lIOReport: 'linker' input unused [-Wunused-command-line-argument]
clang++: warning: argument unused during compilation: '-fstack-clash-protection' [-Wunused-command-line-argument]
warning: unknown warning option '-Wno-format-truncation' [-Wunknown-warning-option]
src/btop_config.cpp:819:24: error: constexpr function's return type 'std::optional<fs::path>' is not a literal type
  819 |         static constexpr auto get_xdg_state_dir() -> std::optional<fs::path> {
      |                               ^

[ballapete (Peter "Pete" Dyballa)]

Main.log from intel macOS Sonoma, 14.8.5

[sidoki]

Same for me, unable to upgrade to v1.4.7 in older version of Mac (Monterey 12.7.6):

During the compilation, the compiler encounters the following error in src/btop_config.cpp :

src/btop_config.cpp:819:24: error: constexpr function's return type 'std::optional<fs::path>' is not a literal type

819 | static constexpr auto get_xdg_state_dir() -> std::optional<fs::path> {