[Build-common-hackers] Bug#273835: document that rules that add commands should come after buildcore.mk

[Matt Kraai]

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Package: cdbs
Version: 0.4.22-1.4
Severity: minor

I needed to add a command to the build, so I added the following
rule to debian/rules before including the CDBS files:

 common-build-arch::
	$(MAKE) -C doc autogen.ps

Unfortunately, the build failed because this command was run
before configure.  Moving this rule after including the CDBS files
fixed the build.

I added the rule before including the CDBS file because of the
following line in the "Adding extra code" section (though I
realize now this is for rules that add dependencies):

 However, this must come before you include buildcore.mk.

It seems that rules that add commands should come after the
inclusion of buildcore.mk.  Would you please document this (or
correct me)?

--=20
Matt Kraai         kraai@ftbfs.org         http://ftbfs.org/kraai/

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