[Buildroot] [Bug 15576] Cannot skip post-image script with `make prepare-sdk`

[bugzilla@busybox.net]

https://bugs.busybox.net/show_bug.cgi?id=15576

Yann E. MORIN <yann.morin.1998@free.fr> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |yann.morin.1998@free.fr

--- Comment #2 from Yann E. MORIN <yann.morin.1998@free.fr> ---
mscdex, All,

Thanks for the report.

> It would be very useful to have an official/built-in way to bypass the
> post-image script

That's indeed pretty surprising. Could you please try this patch (not sure
if bugzilla keeps or removes TABs, so adapt if need be):

diff --git a/Makefile b/Makefile
index 3d0783242f..05b422d8d2 100644
--- a/Makefile
+++ b/Makefile
@@ -592,7 +592,7 @@ prepare: $(BUILD_DIR)/buildroot-config/auto.conf
 world: target-post-image

 .PHONY: prepare-sdk
-prepare-sdk: world
+prepare-sdk: target-finalize staging-finalize host-finalize
        @$(call MESSAGE,"Rendering the SDK relocatable")
        PER_PACKAGE_DIR=$(PER_PACKAGE_DIR) $(TOPDIR)/support/scripts/fix-rpath
host
        PER_PACKAGE_DIR=$(PER_PACKAGE_DIR) $(TOPDIR)/support/scripts/fix-rpath
staging


> (and possibly the other scripts) when doing `make prepare-sdk` (either
> implicitly or explicitly).

Post-fakeroot scripts are only caled when building an image, so the above patch
should also cover that case.

As for the post-build scripts, they are supposed to actually fixup the build,
and they may have to explixitly tweak host/ and staging/ for the purpose of
doing small last-minute cleanups and tweaks of various sorts, some which may
be needed to get a working SDK (I know of such a case). So I'm afraid that
is not going to be possible to cover both cases.

In such a case, I'd suggest that what you are doing, setting an environment
variable when you build the SDK and/or doing the full build, and checking that
variable in your post-build scripts, is the correct thing to do. I would
however argue that what your post-build scripts should not modify target/,
staging/, and/or host/ in a way that is incomaptible with assembling an SDK.

Regards,
Yann E. MORIN.

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