Source: faust
Severity: important

Dear Maintainer,

We upgraded llvm-defaults to version 19.
Your package fails with:
In file included from /usr/lib/llvm-19/include/llvm/Support/SwapByteOrder.h:17,
                 from /usr/lib/llvm-19/include/llvm/ADT/Hashing.h:50,
                 from /usr/lib/llvm-19/include/llvm/ADT/ArrayRef.h:12,
                 from /usr/lib/llvm-19/include/llvm/Support/MemoryBuffer.h:17,                  from /build/faust-2.54.9+ds0/compiler/generator/llvm/llvm_dsp_aux.hh:43:
/usr/lib/llvm-19/include/llvm/ADT/STLForwardCompat.h: At global scope:
/usr/lib/llvm-19/include/llvm/ADT/STLForwardCompat.h:46:35: error: 'optional' in namespace 'std' does not name a template type    46 | auto transformOptional(const std::optional<T> &O, const Function &F)
      |                                   ^~~~~~~~
/usr/lib/llvm-19/include/llvm/ADT/STLForwardCompat.h:46:30: note: 'std::optional' is only available from C++17 onwards    46 | auto transformOptional(const std::optional<T> &O, const Function &F)
      |                              ^~~
/usr/lib/llvm-19/include/llvm/ADT/STLForwardCompat.h:46:43: error: expected ',' or '...' before '<' token    46 | auto transformOptional(const std::optional<T> &O, const Function &F)

Could you please have a look?


Thanks
Sylvestre



-- System Information:
Debian Release: trixie/sid
APT prefers testing
APT policy: (990, 'testing'), (600, 'unstable'), (500, 'oldstable'), (300, 'experimental')
Architecture: amd64 (x86_64)

Kernel: Linux 6.10.9-amd64 (SMP w/20 CPU threads; PREEMPT)
Locale: LANG=fr_FR.UTF-8, LC_CTYPE=fr_FR.UTF-8 (charmap=UTF-8), LANGUAGE not set
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Init: systemd (via /run/systemd/system)
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