Public bug reported:
libnih1.0.3-4ubuntu15 gained cross-build support which is great, but it
has a couple of things wrong.
The first is simple and trivial to fix. A BUILD/HOST typo in configure.
Which causes it to fail to find dbus-1, because it used the build-arch
pkgconfig. This probably wasn't previously noticed due to the work-
around decribed of installing both build-arch and host-arch build-deps.
The second is trickier. It tries to run tests using nih-dbus-tool, even
is DEB_BUILD_OPTIONS=nocheck is set. These fail because nih-dbus-tool is
the wrong arch. Oddly the rules file contains NIH_DBUS_TOOL=$(CURDIR
)/build-dbus-tool/nih-dbus-tool/nih-dbus-tool, when cross-building, to
carefully set this to use the version which has been built. This will of
course not run unless qemu is available for the host arch (it isn't for
arm64). It maybe that the above plus the dh_auto_configure -B build-
dbus-tool/ --host=$(DEB_BUILD_GNU_TYPE) was intended to build this too
for the build arch, but then the wrong-arch nih-dbus-tool file ends up
in the nih-dbus-tool package, does it not? It would need to be built
twice, once for each arch for this to work.
Ideally DEB_BUILD_OPTIONS=nocheck would simply stop these targets being
run, and 'make all-am' instead of 'make all' seems to do this. I suspect
that the tests aren't being run in fact, just built, but that fails
because it uses this tool - not sure. I failed to discern exactly what
the right rune for 'don't try to build/run the tests' is in dh_foo-
speak, so instead elected to set NIH_DBUS_TOOL to use the build-arch
tool. This works fine. Enforcing this build-dep needs a :native so can't
be done for the time being, but I see the package already has some of
those pending.
Finding the right rune to make DEB_BUILD_OPTIONS=nocheck skip this might
be a better fix.
** Affects: libnih (Ubuntu)
Importance: Undecided
Status: New
** Tags: arm64 cross patch
** Patch added: "libnih-1.0.3-4ubuntu15-crossbuild.patch"
https://bugs.launchpad.net/bugs/1101977/+attachment/3490083/+files/libnih-1.0.3-4ubuntu15-crossbuild.patch
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https://bugs.launchpad.net/bugs/1101977
Title:
Fix wrong-arch issues in crossbuild of libnih
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