- Update to 4.0
* see details in NEWS and ChangeLog files
* Bugfixes, a complete list of bugs fixed in this version is
available here
http://sv.gnu.org/bugs/index.php?group=make&report_id=111&fix_release_id=101&set=custom
* WARNING: Backward-incompatibility! backslash/newline handling
* New feature: GNU Guile integration
* New command line option: --output-sync (-O) enables grouping of
output by target or by recursive make.
* New command line option: --trace enables tracing of targets.
* New command line option argument: --debug now accepts a "n"
(none) flag which disables all debugging settings that are
currently enabled.
* New feature: The "job server" capability is now supported on
Windows.
* New feature: The .ONESHELL capability is now supported on
Windows.
* New feature: "!=" shell assignment operator as an alternative
to the $(shell ...) function. Implemented for compatibility
with BSD makefiles.
* New feature: "::=" simple assignment operator as defined by
POSIX in 2012.
* New feature: Loadable objects
* New function: $(file ...) writes to a file.
* New variable: $(GNUMAKEFLAGS) will be parsed for make flags,
just like MAKEFLAGS is. It can be set in the environment or
the makefile, containing GNU make-specific flags to allow your
makefile to be portable to other versions of make.
* New variable: `MAKE_HOST' gives the name of the host
architecture make was compiled for.