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Diffstat (limited to 'NEWS')
| -rw-r--r-- | NEWS | 13 |
1 files changed, 13 insertions, 0 deletions
@@ -74,6 +74,19 @@ https://sv.gnu.org/bugs/index.php?group=make&report_id=111&fix_release_id=109&se described in the makefile. Implementation provided by Sergei Trofimovich <siarheit@google.com> +* New feature: The --jobserver-style command line option and named pipes + A new jobserver method is used on systems where mkfifo(3) is supported. + This solves a number of obscure issues related to using the jobserver + and recursive invocations of GNU make. This change means that sub-makes + will connect to the jobserver even if they are not marked as recursive. + It also means that other tools that want to participate in the jobserver + will need to be enhanced as described in the GNU make manual. + You can force GNU make to use the simple pipe-based jobserver (perhaps if + you are integrating with other tools or older versions of GNU make) by + adding the '--jobserver-style=pipe' option to the command line of the + top-level invocation of GNU make, or via MAKEFLAGS or GNUMAKEFLAGS. + To detect this change search for 'jobserver-fifo' in the .FEATURES variable. + * GNU make has sometimes chosen unexpected, and sub-optimal, chains of implicit rules due to the definition of "ought to exist" in the implicit rule search algorithm, which considered any prerequisite mentioned in the |