llvmorg-20.1.1

BLFS にも登載されていなものの話だが

gfxreconstruct-vulkan-sdk-1.4.309.0

gcc や clang-19 でやると問題なくビルドできるが clang-20 だと失敗する

FAILED: framework/util/CMakeFiles/gfxrecon_util.dir/json_util.cpp.o

In file included from /build/VLK/gfxreconstruct-vulkan-sdk-1.4.309.0/framework/util/json_util.cpp:24:
In file included from /build/VLK/gfxreconstruct-vulkan-sdk-1.4.309.0/framework/util/json_util.h:40:
/build/VLK/gfxreconstruct-vulkan-sdk-1.4.309.0/external/nlohmann/include/nlohmann/json.hpp:24054:35: error: identifier '_json' preceded by whitespace in a literal operator declaration is deprecated [-Werror,-Wdeprecated-literal-operator]
24054 | inline nlohmann::json operator "" _json(const char* s, std::size_t n)
| ~~~~~~~~~~~~^~~~~
| operator""_json
/build/VLK/gfxreconstruct-vulkan-sdk-1.4.309.0/external/nlohmann/include/nlohmann/json.hpp:24062:49: error: identifier '_json_pointer' preceded by whitespace in a literal operator declaration is deprecated [-Werror,-Wdeprecated-literal-operator]
24062 | inline nlohmann::json::json_pointer operator "" _json_pointer(const char* s, std::size_t n)
| ~~~~~~~~~~~~^~~~~~~~~~~~~
| operator""_json_pointer
2 errors generated.
[25/172] Building CXX object framework/util/CMakeFiles/gfxrecon_util.dir/thread_data.cpp.o
ninja: build stopped: subcommand failed.