Description

ktx has an outdated version of fmt in its source, which causes the issue.

Package and Environment Details

• Package Name/Version: ktx/4.3.2
• Operating System+version: Windows MSYS2
• Compiler+version: Clang 20
• Conan version: conan 2.16.1
• Python version: Python 3.13.1

Conan profile

[settings]
arch=x86_64
build_type=Debug
compiler=clang
compiler.cppstd=26
compiler.libcxx=libc++
compiler.version=20
os=Windows
[conf]
tools.cmake.cmaketoolchain:generator=Ninja
tools.info.package_id:confs=['tools.build:cflags', 'tools.build:cxxflags', 'tools.build:exelinkflags', 'tools.build:sharedlinkflags']
[buildenv]
PATH+=(path)C:/dev/MSYS2/clang64/bin
PATH+=(path)C:/Users/Gabor/AppData/Local/Programs/CLion 2/bin/cmake/win/x64/bin
PATH+=(path)C:/Users/Gabor/AppData/Local/Programs/CLion 2/bin/ninja/win/x64
[runenv]
PATH+=(path)C:/dev/MSYS2/clang64/bin

Steps to reproduce

def requirements(self):
    self.requires("ktx/4.3.2")

conan install .

Logs

/.conan2/p/b/ktxe2d82b5ecdfa0/b/src/external/fmt/include/fmt/format-inl.h:61:19: error: call to consteval function 'fmt::basic_format_string<char, fmt::basic_string_view<char> &, const char (&)[3]>::basic_format_string<FMT_COMPILE_STRING, 0>' is not a constant expression
   61 |     format_to(it, FMT_STRING("{}{}"), message, SEP);
      |                   ^
...