The following packages have been upgraded in the Cygwin distribution:
* m4 1.4.19
An implementation of the traditional Unix macro processor. It is mostly
SVR4 compatible although it has some extensions (for example, handling
more than 9 positional parameters to macros). GNU m4 also has built-in
functions for including files, running shell commands, doing arithmetic,
etc.
For more information see the project home pages:
https://www.gnu.org/software/m4/
https://sv.gnu.org/projects/m4/
For changes since the previous Cygwin release please see below or read
/usr/share/doc/m4/NEWS after installation; for complete details see:
/usr/share/doc/m4/ChangeLog
https://git.sv.gnu.org/gitweb/?p=m4.git;a=log;h=refs/tags/v1.4.19
Noteworthy changes in release 1.4.19 (2021-05-28) [stable]
* A number of portability improvements inherited from gnulib, including
the ability to perform stack overflow detection on more platforms
without linking to GNU libsigsegv.
Noteworthy changes in release 1.4.18d (2021-05-11) [beta]
* A number of portability improvements inherited from gnulib.
Noteworthy changes in release 1.4.18b (2021-05-07) [beta]
* The symbol hash table now defaults to 65537 buckets instead of 509, as
modern systems have enough memory to benefit from fewer hash collisions
by default.
* Introduce the use of gettext, with the immediate benefit of nicer
UTF-8 author names. Over time, more translations of program messages
will become available.
* A number of portability improvements inherited from gnulib.
