From: rene@debian.org   
      
   Source: apache-arrow   
   Version: 22.0.0-1   
   Severity: important   
   Tags: ftbfs   
      
   Hi,   
      
   apache-arrow FTBFSes everywhere except amd64:   
      
   dh_install   
   	install -m0755 -d debian/libarrow2200//usr/lib/aarch64-linux-gnu   
   	cp --reflink=auto -a debian/tmp/usr/lib/aarch64-linux-gnu/libarrow.so.2200   
   debian/tmp/usr/lib/aarch64-linux-gnu/libarrow.so.2200.0.0 debian   
   tmp/usr/lib/aarch64-linux-gnu/libarrow_compute.so.2200 debian/tm   
   /usr/lib/aarch64-linux-gnu/libarrow_compute.so.   
   2200.0.0 debian/libarrow2200//usr/lib/aarch64-linux-gnu/   
   	install -m0755 -d debian/libarrow-acero2200//usr/lib/aarch64-linux-gnu   
   	cp --reflink=auto -a debian/tmp/usr/lib/aarch64-linux-gnu/libar   
   ow_acero.so.2200 debian/tmp/usr/lib/aarch64-linux-gnu/libarrow_a   
   ero.so.2200.0.0 debian/libarrow-acero2200//usr/lib/aarch64-linux-gnu/   
   	install -m0755 -d debian/libarrow-dataset2200//usr/lib/aarch64-linux-gnu   
   	cp --reflink=auto -a debian/tmp/usr/lib/aarch64-linux-gnu/libar   
   ow_dataset.so.2200 debian/tmp/usr/lib/aarch64-linux-gnu/libarrow   
   dataset.so.2200.0.0 debian/libarrow-dataset2200//usr/lib/aarch64-linux-gnu/   
   	install -m0755 -d debian/libarrow-flight2200//usr/lib/aarch64-linux-gnu   
   	cp --reflink=auto -a debian/tmp/usr/lib/aarch64-linux-gnu/libar   
   ow_flight.so.2200 debian/tmp/usr/lib/aarch64-linux-gnu/libarrow_   
   light.so.2200.0.0 debian/libarrow-flight2200//usr/lib/aarch64-linux-gnu/   
   dh_install: warning: Cannot find (any matches for) "usr/lib/pyth   
   n3*/dist-packages/pyarrow/lib.cpython-313-x86_64-linux-gnu.so" (tried in .,   
   debian/tmp)   
      
   dh_install: warning: libarrow-python2200 missing files: usr/lib/   
   ython3*/dist-packages/pyarrow/lib.cpython-313-x86_64-linux-gnu.so   
   	install -m0755 -d debian/libarrow-python2200//usr/lib/python3/d   
   st-packages/pyarrow   
   	cp --reflink=auto -a debian/tmp/usr/lib/python3/dist-packages/p   
   arrow/libarrow_python.so debian/tmp/usr/lib/python3/dist-package   
   /pyarrow/libarrow_python.so.2200 debian/tmp/usr/lib/python3/dist   
   packages/pyarrow/libarrow_python.so.2200.0.0 debian/   
   libarrow-python2200//usr/lib/python3/dist-packages/pyarrow/   
   dh_install: warning: Cannot find (any matches for) "usr/lib/pyth   
   n3*/dist-packages/pyarrow/_flight.cpython-313-x86_64-linux-gnu.so" (tried in   
   ., debian/tmp)   
      
   dh_install: warning: libarrow-python-flight2200 missing files: u   
   r/lib/python3*/dist-packages/pyarrow/_flight.cpython-313-x86_64-linux-gnu.so   
   dh_install: error: missing files, aborting   
   make[1]: *** [debian/rules:205: override_dh_install] Error 255   
   make[1]: Leaving directory '/build/reproducible-path/apache-arrow-22.0.0'   
   make: *** [debian/rules:37: binary-arch] Error 2   
   dpkg-buildpackage: error: debian/rules binary-arch subprocess failed with exit   
   status 2   
      
   (armhf is different, but...)   
      
   I see you use $(DEB_TARGET_MULTIARCH), which is probably wrong.   
      
   According to https://www.marcusfolkesson.se/blog/build-host-and-   
   arget-explained/ you   
   probably want $(DEB_HOST_MULTIARCH) which would match the install lines   
   above   
      
   Regards,   
      
   Rene   
      
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