Andrew Dunstan <[EMAIL PROTECTED]> writes:
> Tom Lane wrote:
>> Andrew Dunstan <[EMAIL PROTECTED]> writes:
>>> If you run make installcheck in contrib it stops on the first module
>>> that fails. This is mildly annoying from the point of view of the
>>> buildfarm script, which wants to run all the available regression tests.
>> Yeah. ISTM that "make -k installcheck" should be the correct way to do
>> this, but I've never gotten around to figuring out how to make it work.
> I can't see an obvious way, because of the need to loop through
I found the following closely-related suggestion in the Make manual.
It's not quite there because it doesn't seem to provide a way to pass
down the current action (all/clean/install/etc) to the sub-Make.
Any ideas how we could do that?
Another example of the usefulness of phony targets is in conjunction
with recursive invocations of `make'. In this case the makefile will
often contain a variable which lists a number of subdirectories to be
built. One way to handle this is with one rule whose command is a
shell loop over the subdirectories, like this:
SUBDIRS = foo bar baz
for dir in $(SUBDIRS); do \
$(MAKE) -C $$dir; \
There are a few of problems with this method, however. First, any
error detected in a submake is not noted by this rule, so it will
continue to build the rest of the directories even when one fails.
This can be overcome by adding shell commands to note the error and
exit, but then it will do so even if `make' is invoked with the `-k'
option, which is unfortunate. Second, and perhaps more importantly,
you cannot take advantage of the parallel build capabilities of make
using this method, since there is only one rule.
By declaring the subdirectories as phony targets (you must do this as
the subdirectory obviously always exists; otherwise it won't be built)
you can remove these problems:
SUBDIRS = foo bar baz
.PHONY: subdirs $(SUBDIRS)
$(MAKE) -C $@
Here we've also declared that the `foo' subdirectory cannot be built
until after the `baz' subdirectory is complete; this kind of
relationship declaration is particularly important when attempting
regards, tom lane
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