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a808086826
The new "std-gnu23" module has the stated goal of:
"...to update the c99 module to depend on std-gnu23
instead of on std-gnu11, and to make std-gnu11 obsolete."
in upstream commit 8990abb50 ("std-gnu23: new module").
However, for now, it's design is optional, so that
definitions of the latest standard module overrides the former.
At some point, upstream gnulib will replace the dependency
instead of add it alongside the older one.
Because all macros are copied to the aclocal directory,
for complex projects, not including the module
may cause the macros to apply only to some subdirectories
rather than all of them and top-level together.
For projects that import source from local gnulib,
always include the std-gnu23.m4 macros for consistency.
Signed-off-by: Michael Pratt <mcpratt@pm.me>
Link: https://github.com/openwrt/openwrt/pull/19748
Signed-off-by: Robert Marko <robimarko@gmail.com>