Source: libwebcam Version: 0.2.4-1.1 Severity: wishlist Tags: patch User: reproducible-builds@lists.alioth.debian.org Usertags: timestamps
Hi! While working on the “reproducible builds” effort [1], we have noticed that libwebcam could not be built reproducibly. The attached patch removes extra timestamps from the gzip files. Once applied, libwebcam can be built reproducibly in our current experimental framework. [1]: https://wiki.debian.org/ReproducibleBuilds -- Dhole
Description: Make libwebcam build reproducible The following patch makes the calls to gzip discard the timestamp of files when compressing, so no time metadata is stored. This way the build becomes reproducible. . libwebcam (0.2.4-1.1) unstable; urgency=medium . * Non-maintainer upload. * Removes timestamps from gzip Author: Dhole <dh...@openmailbox.org> Bug-Debian: https://bugs.debian.org/770982 --- --- libwebcam-0.2.4.orig/uvcdynctrl/CMakeLists.txt +++ libwebcam-0.2.4/uvcdynctrl/CMakeLists.txt @@ -58,7 +58,7 @@ add_definitions (-DHAVE_CONFIG_H) #create man pages execute_process ( - COMMAND sh -c "rm -f ${CMAKE_CURRENT_BINARY_DIR}/*.gz; cp ${CMAKE_CURRENT_SOURCE_DIR}/uvcdynctrl.1_ ${CMAKE_CURRENT_BINARY_DIR}/uvcdynctrl.1; cp ${CMAKE_CURRENT_SOURCE_DIR}/uvcdynctrl.1_ ${CMAKE_CURRENT_BINARY_DIR}/uvcdynctrl-${UVCDYNCTRL_VERSION}.1; gzip --best ${CMAKE_CURRENT_BINARY_DIR}/uvcdynctrl-${UVCDYNCTRL_VERSION}.1; gzip --best ${CMAKE_CURRENT_BINARY_DIR}/uvcdynctrl.1;" + COMMAND sh -c "rm -f ${CMAKE_CURRENT_BINARY_DIR}/*.gz; cp ${CMAKE_CURRENT_SOURCE_DIR}/uvcdynctrl.1_ ${CMAKE_CURRENT_BINARY_DIR}/uvcdynctrl.1; cp ${CMAKE_CURRENT_SOURCE_DIR}/uvcdynctrl.1_ ${CMAKE_CURRENT_BINARY_DIR}/uvcdynctrl-${UVCDYNCTRL_VERSION}.1; gzip --best -n ${CMAKE_CURRENT_BINARY_DIR}/uvcdynctrl-${UVCDYNCTRL_VERSION}.1; gzip --best -n ${CMAKE_CURRENT_BINARY_DIR}/uvcdynctrl.1;" RESULT_VARIABLE MAN_BUILD_RESULT )
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