MediaWiki-Debian September 2026

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Bug#1147693: uprightdiff: FTBFS with OpenCV 5.0
by Aron Xu 14 Sep '26

14 Sep '26

Source: uprightdiff Version: 1.4.0-2 Severity: important Tags: ftbfs User: opencv(a)packages.debian.org Usertags: opencv5-transition Control: affects -1 src:opencv X-Debbugs-Cc: opencv(a)packages.debian.org, aron(a)debian.org Dear maintainer, Your package fails to build from source against opencv 5.0.0+dfsg-1~exp1, currently in experimental. OpenCV 5.0 renames its entire install tree from opencv4 to opencv5 and ships no compatibility shims: * pkg-config: only /usr/lib/<triplet>/pkgconfig/opencv5.pc. There is no opencv4.pc and no opencv.pc. * headers: /usr/include/opencv5/opencv2/..., no /usr/include/opencv4. * cmake: /usr/lib/<triplet>/cmake/opencv5/OpenCVConfig.cmake. A bare find_package(OpenCV) still resolves, but a pinned version such as find_package(OpenCV 4.7) no longer matches. * modules: libopencv-calib3d-dev is split into libopencv-calib-dev, libopencv-geometry-dev, libopencv-stereo-dev and libopencv-ptcloud-dev; libopencv-features2d-dev becomes libopencv-features-dev. The CMake component names change with them (features2d -> features). * geometry: the new geometry module is not only a piece of calib3d. It also absorbs shape and contour functions that used to live in imgproc -- contourArea, arcLength, approxPolyDP, boundingRect, minAreaRect, convexHull and getPerspectiveTransform among them -- and opencv2/opencv.hpp does not pull in opencv2/geometry.hpp, so code that reached those through the umbrella header now needs an explicit include of opencv2/geometry.hpp. In uprightdiff's case the OpenCV 4 include directory is hardcoded in debian/rules: override_dh_auto_configure runs dh_auto_configure -- CPPFLAGS="-I/usr/include/opencv4" and that directory no longer exists, because OpenCV 5 installs its headers under /usr/include/opencv5. The flag is still passed to every g++ command, so the compiler never finds any OpenCV header and the first translation unit stops at "fatal error: opencv2/core/core.hpp: No such file or directory". The header itself is not the problem, the stale path is. The cleanest fix is to drop that CPPFLAGS override and let the OpenCV check in configure.ac query pkg-config (opencv5, optionally falling back to opencv4) so the flags follow whichever version is installed; modernising the aggregate opencv2/<module>/<module>.hpp includes to opencv2/<module>.hpp is worth doing at the same time. The same source builds fine in the same chroot against the OpenCV 4.10 packages currently in unstable, so this is specific to OpenCV 5. The relevant part of the build log follows; the full log is attached. debian/rules override_dh_auto_configure make[1]: Entering directory '/build/reproducible-path/uprightdiff-1.4.0' dh_auto_configure -- CPPFLAGS="-I/usr/include/opencv4" ./configure --build=x86_64-linux-gnu --prefix=/usr --includedir=\${prefix}/include --mandir=\${prefix}/share/man --infodir=\${prefix}/share/info --sysconfdir=/etc --localstatedir=/var --disable-option-checking --disable-silent-rules --libdir=\${prefix}/lib/x86_64-linux-gnu --runstatedir=/run --disa [...] checking for a BSD-compatible install... /usr/bin/install -c checking whether sleep supports fractional seconds... yes checking filesystem timestamp resolution... 0.01 checking whether build environment is sane... yes checking for a race-free mkdir -p... /usr/bin/mkdir -p checking for gawk... no checking for mawk... mawk checking whether make sets $(MAKE)... yes checking whether make supports nested variables... yes checking xargs -n works... yes checking whether UID '999' is supported by ustar format... yes checking whether GID '999' is supported by ustar format... yes checking how to create a ustar tar archive... gnutar ./configure: line 3512: -std=c++11: command not found checking whether the C++ compiler works... yes checking for C++ compiler default output file name... a.out checking for suffix of executables... checking whether we are cross compiling... no checking for suffix of object files... o checking whether the compiler supports GNU C++... yes checking whether x86_64-linux-gnu-g++ accepts -g... yes checking whether make supports the include directive... yes (GNU style) checking dependency style of x86_64-linux-gnu-g++... none checking for gcc... x86_64-linux-gnu-gcc checking whether the compiler supports GNU C... yes checking whether x86_64-linux-gnu-gcc accepts -g... yes checking for x86_64-linux-gnu-gcc option to enable C23 features... none needed checking whether x86_64-linux-gnu-gcc understands -c and -o together... yes checking dependency style of x86_64-linux-gnu-gcc... none checking for main in -lboost_program_options... yes checking for main in -lopencv_core... yes checking for main in -lopencv_highgui... yes checking for main in -lopencv_imgproc... yes checking for main in -lopencv_imgcodecs... yes checking for stdio.h... yes checking for stdlib.h... yes checking for string.h... yes checking for inttypes.h... yes checking for stdint.h... yes checking for strings.h... yes checking for sys/stat.h... yes checking for sys/types.h... yes checking for unistd.h... yes checking for _Bool... no checking for stdbool.h that conforms to C99 or later... yes checking for inline... inline checking that generated files are newer than configure... done configure: creating ./config.status config.status: creating Makefile config.status: executing depfiles commands make[1]: Leaving directory '/build/reproducible-path/uprightdiff-1.4.0' dh_auto_build make -j40 make[1]: Entering directory '/build/reproducible-path/uprightdiff-1.4.0' x86_64-linux-gnu-g++ -DPACKAGE_NAME=\"uprightdiff\" -DPACKAGE_TARNAME=\"uprightdiff\" -DPACKAGE_VERSION=\"1.4.0\" -DPACKAGE_STRING=\"uprightdiff\ 1.4.0\" -DPACKAGE_BUGREPORT=\"https://phabricator.wikimedia.org/tag/uprightdiff/\" -DPACKAGE_URL=\"\" -DPACKAGE=\"uprightdiff\" -DVERSION=\"1.4.0\" -DHAVE [...] x86_64-linux-gnu-g++ -DPACKAGE_NAME=\"uprightdiff\" -DPACKAGE_TARNAME=\"uprightdiff\" -DPACKAGE_VERSION=\"1.4.0\" -DPACKAGE_STRING=\"uprightdiff\ 1.4.0\" -DPACKAGE_BUGREPORT=\"https://phabricator.wikimedia.org/tag/uprightdiff/\" -DPACKAGE_URL=\"\" -DPACKAGE=\"uprightdiff\" -DVERSION=\"1.4.0\" -DHAVE [...] x86_64-linux-gnu-g++ -DPACKAGE_NAME=\"uprightdiff\" -DPACKAGE_TARNAME=\"uprightdiff\" -DPACKAGE_VERSION=\"1.4.0\" -DPACKAGE_STRING=\"uprightdiff\ 1.4.0\" -DPACKAGE_BUGREPORT=\"https://phabricator.wikimedia.org/tag/uprightdiff/\" -DPACKAGE_URL=\"\" -DPACKAGE=\"uprightdiff\" -DVERSION=\"1.4.0\" -DHAVE [...] UprightDiff.cpp:1:10: fatal error: opencv2/core/core.hpp: No such file or directory 1 | #include <opencv2/core/core.hpp> | ^~~~~~~~~~~~~~~~~~~~~~~ compilation terminated. make[1]: *** [Makefile:390: UprightDiff.o] Error 1 make[1]: *** Waiting for unfinished jobs.... In file included from BlockMotionSearch.cpp:3: BlockMotionSearch.h:1:10: fatal error: opencv2/core/core.hpp: No such file or directory 1 | #include <opencv2/core/core.hpp> | ^~~~~~~~~~~~~~~~~~~~~~~ compilation terminated. make[1]: *** [Makefile:390: BlockMotionSearch.o] Error 1 main.cpp:4:10: fatal error: opencv2/highgui/highgui.hpp: No such file or directory 4 | #include <opencv2/highgui/highgui.hpp> | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ compilation terminated. make[1]: *** [Makefile:390: main.o] Error 1 make[1]: Leaving directory '/build/reproducible-path/uprightdiff-1.4.0' dh_auto_build: error: make -j40 returned exit code 2 make: *** [debian/rules:5: binary] Error 25 dpkg-buildpackage: error: debian/rules binary subprocess failed with exit status 2 Please close this bug if it turns out to be a collision with another ongoing transition rather than an OpenCV 5 problem. Thanks, Aron

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wikidiff2 1.14.2-1 MIGRATED to testing
by Debian testing watch 06 Sep '26

06 Sep '26

FYI: The status of the wikidiff2 source package in Debian's testing distribution has changed. Previous version: 1.14.1-2 Current version: 1.14.2-1 -- This email is automatically generated once a day. As the installation of new packages into testing happens multiple times a day you will receive later changes on the next day. See https://release.debian.org/testing-watch/ for more information.

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wikidiff2_1.14.2-1_source.changes ACCEPTED into unstable
by Debian FTP Masters 01 Sep '26

01 Sep '26

Thank you for your contribution to Debian. Accepted: -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 Format: 1.8 Date: Tue, 01 Sep 2026 00:12:03 -0400 Source: wikidiff2 Architecture: source Version: 1.14.2-1 Distribution: unstable Urgency: medium Maintainer: MediaWiki packaging team <mediawiki-debian(a)lists.wikimedia.org> Changed-By: Kunal Mehta <legoktm(a)debian.org> Changes: wikidiff2 (1.14.2-1) unstable; urgency=medium . [ Taavi Väänänen ] * Update my email address . [ Kunal Mehta ] * New upstream version 1.14.2 * Update d/copyright following PHP license change * Drop d/source/local-options * Suppress composer-package-without-pkg-php-tools-builddep lintian warning Checksums-Sha1: 6594db776809391ec152c4da9c19b7f781ed4e4d 2414 wikidiff2_1.14.2-1.dsc 2f0753df1f1f995e96a01d221a8be76c7afd7435 3953288 wikidiff2_1.14.2.orig.tar.xz 9d7c5d5025e1b84c24e3f7ea9128c676a627f7bc 121060 wikidiff2_1.14.2-1.debian.tar.xz 820189cb8ee5f79da99fcd69d0b9442ef9e639b0 4198452 wikidiff2_1.14.2-1.git.tar.xz 2971b2be8ce72adb21775f9b61fbf5504e0ea065 17680 wikidiff2_1.14.2-1_source.buildinfo Checksums-Sha256: 0494aa8f548c4f8acc3fae9a0798c37a6de521012d1413fa37824a822d4754ef 2414 wikidiff2_1.14.2-1.dsc 1267ae987a8a2a22ca2c5428b0083caea936bf84eb0d5e173745614f1c0e7d50 3953288 wikidiff2_1.14.2.orig.tar.xz f4ed9764b13978cd1c49e8cad128644bedfa43ef0ec07144dbc6ccccf6258095 121060 wikidiff2_1.14.2-1.debian.tar.xz 769479824cb0f7b37df6535000eac732829c2c15822979e3d44a7e191132fcd5 4198452 wikidiff2_1.14.2-1.git.tar.xz 0dcfabcd4549f273c896723bd89c7b4c9413bae58827dee3369c740843fc93a3 17680 wikidiff2_1.14.2-1_source.buildinfo Files: cea36af60191e3e17d37efbfdb78990f 2414 php optional wikidiff2_1.14.2-1.dsc f31508cf3e9a2a38cdbd49d2193ccf35 3953288 php optional wikidiff2_1.14.2.orig.tar.xz 039b776088497cd53b7159e64b894fb5 121060 php optional wikidiff2_1.14.2-1.debian.tar.xz 8726f71d3dae45cce609e246ce09703c 4198452 php optional wikidiff2_1.14.2-1.git.tar.xz 0ade120e95b7cf1a1988600d6065bfdf 17680 php optional wikidiff2_1.14.2-1_source.buildinfo Git-Tag-Info: tag=320ab4ca5c760656a407baf11f833ce4afa6d960 fp=d8cb59f05dbb9e0538c4819df105f8101b05269b Git-Tag-Tagger: Kunal Mehta <legoktm(a)debian.org> -----BEGIN PGP SIGNATURE----- iQIzBAEBCgAdFiEEN02M5NuW6cvUwJcqYG0ITkaDwHkFAmqWU20ACgkQYG0ITkaD wHn9EhAA11Ikgrf9l4DwRHeHd2ngi7bnAXRr3LXw086sAMf4dxPhWHV1MlT4f1HB hdVBRnr8HZ3WuCpFjCWm80FJi3JFDala3G1pIPxWZI+gixmDO8wVSepQMlCS/W23 vtC1hQ6GRl5SzLN8xT+BN52ECruZA+5WwgOcNV33g5uY/mPF/m9eL3Q4CyITVfNj pZhHAYlK+h3sR/J4KG3Z6iRqcX4Nk/n4P7ih/vQi0itV1QfXqjpAvgWq7bn9hVHC BDp/VWn+xmPp/2M9pPrkVYVLzLKn9XuhzmnpkHR4fY56oY0LBpRpkzAyX/Xke++M LnNBrE1vOBgnIV3mKxi/2BvlN91NhrqE0A476zcR89j3gDeE91Kbe6w2EG52+jvS 9MxuAhwxxU0Iq8e8FCrmvw+7j0N31RmhBJVcmivDNNnLCXX6+zCylEFrh5OfClTu eQZk0D++y7fUb24qfODuSSRqnVH3OR0G6r3OAsCwEVQaIr9F/WMDQ7qy3YgUIctS 6H9xUePdvcmdN6IIPonXJbcw3GasSJnyJtprh328xKS4rvZHMkcweGU84WfrXXpE wJmmmPw4EOGxa/eei2znms4O9blSZFZAN3eePAf4wJq4yjfYebeHocvOF1vtHBPN t2M6ZC4n5K0C5AZR+/tnNGBjqHlQKQ6XnXd/xVFbYH+BDzW+1Tc= =dkPx -----END PGP SIGNATURE-----

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Processing of wikidiff2_1.14.2-1_source.changes
by Debian FTP Masters 01 Sep '26

01 Sep '26

wikidiff2_1.14.2-1_source.changes uploaded successfully to localhost along with the files: wikidiff2_1.14.2-1.dsc wikidiff2_1.14.2.orig.tar.xz wikidiff2_1.14.2-1.debian.tar.xz wikidiff2_1.14.2-1.git.tar.xz wikidiff2_1.14.2-1_source.buildinfo Greetings, Your Debian queue daemon (running on host usper.debian.org)

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MediaWiki-Debian September 2026