On 3/9/18 9:51 AM, Bart Van Assche wrote:
> Because of a typo in the Makefile ("config-host-mak") the configure
> script is not rerun if the configure script is modified after
> config-host.mak has been generated. Merge the two make goals for
> rerunning configure into a single goal. This patch relies on the
> following make behavior (see also https://www.gnu.org/software/make/manual/make.html#Remaking-Makefiles):
>
> Sometimes makefiles can be remade from other files, such as RCS or SCCS
> files. If a makefile can be remade from other files, you probably want
> make to get an up-to-date version of the makefile to read in.
>
> To this end, after reading in all makefiles, make will consider each as a
> goal target and attempt to update it. If a makefile has a rule which says
> how to update it (found either in that very makefile or in another one) or
> if an implicit rule applies to it (see Using Implicit Rules), it will be
> updated if necessary. After all makefiles have been checked, if any have
> actually been changed, make starts with a clean slate and reads all the
> makefiles over again. (It will also attempt to update each of them over
> again, but normally this will not change them again, since they are
> already up to date.)
>
> This patch has been tested by verifying that the commands run by make
> were as expected for the following invocations:
>
> rm -f config-host.mak && make
> make && touch configure && make
> make>
> Note: fio already requires GNU make because of the use of "ifeq" etc.
Thanks Bart, applied.
--
Jens Axboe
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