Hi,

During a test rebuild of HDF5's reverse dependencies against HDF5 2.1.0
currently in experimental, libtrexio FTBFS because the related m4 macro
doesn't support this new major release.

The attached patch fixes this issue and supports both HDF5 1.14.6 in
unstable and HDF5 2.1.0 in experimental.

Best,
_g.


- -- System Information:
Debian Release: 12.0
Architecture: amd64 (x86_64)

Kernel: Linux 6.1.0-44-amd64 (SMP w/12 CPU threads; PREEMPT)
Kernel taint flags: TAINT_OOT_MODULE, TAINT_UNSIGNED_MODULE
Locale: LANG=fr_FR.UTF-8, LC_CTYPE=fr_FR.UTF-8 (charmap=UTF-8), LANGUAGE not set
Shell: /bin/sh linked to /usr/bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled
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