The GNU M4 Team is pleased to announce the release of GNU M4 1.4.10.
GNU `m4' is 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). `m4' also has
built-in functions for including files, running shell commands, doing
arithmetic, etc. Autoconf needs GNU `m4' for generating `configure'
scripts, but not for running them.
This release converts to version 3 or greater of the GNU Public License.
Additionally, it fixes some regressions introduced in 1.4.8 and 1.4.9, as
well as working around portability bugs previously exposed by the format
and syscmd builtins.
New in 1.4.10: 9 July 2007
* Upgrade from GPL version 2 to GPL version 3 or later.
* A number of portability improvements inherited from gnulib.
* Avoid undefined behavior introduced in 1.4.9b in the `format' builtin
when handling %c. However, this area of code has never been documented,
and currently does not match the POSIX behavior of printf(1), so it may
have further changes in the next version.
* Fix regression introduced in 1.4.9 in the `eval' builtin when performing
* Fix regression introduced in 1.4.8 in the `-F' option that made it
impossible to freeze more than 512 kibibytes of diverted text.
* The synclines option `-s' no longer generates sync lines in the middle
of multiline comments or quoted strings.
* Work around a number of corner-case POSIX compliance bugs in various
broken stdio libraries. In particular, the `syscmd' builtin behaves more
predictably when stdin is seekable.
* The `format' builtin now understands formats such as %a, %A, and %'hhd,
and works around a number of platform printf bugs. Furthermore, the
sequence format(%*.*d,-1,-1,1) no longer outputs random data. However,
some non-compliant platforms such as mingw still have known bugs in strtod
that may cause testsuite failures.
* The testsuite is improved to also run gnulib portability tests for the
features that M4 imports from gnulib.
m4-1.4.10 is available now from ftp.gnu.org, along with diffs and xdeltas
against m4-1.4.9 that are also available from ftp.gnu.org. Please use a
mirror to reduce stress on the main gnu machine:
You will then need to have the latest release versions of Automake (at
least 1.9.6) and Autoconf (at least 2.60) installed to bootstrap the
checked out sources yourself.
Please report bugs to <bug-m4@gnu....>, along with the output of 'make
check' and any other information that might be useful in resolving the issue.
The GNU M4 team
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