n8.1.1
all: Make header guard names consistent
fftools: Fix MediaCodec on Android15+
compat: drop gcc, suncc, and pthreads stdatomic emulation
compat/cuda: add device side printf function
Merge commit '6bb99757b780144d9fa27cdce09d3621e1a0ed43'
additional math.h functions for djgpp
Merge remote-tracking branch 'qatar/master'
fix broken links to msdn documentation
all: fix typos found by codespell
compat: Fix the fallback definition of stdc_trailing_zeros
compat: Fix .def file generation for ARM64EC builds on Windows
compat/getopt: constify opts
compat/os2threads: define INCL_DOSERRORS
compat/strtod: Add missing const qualifiers.
all: Add missing header guards
avutil/common: Don't auto-include mem.h
ALL: move av_unused to conform with standard requirement