[Reproducible-builds] Bug#787790: ossim: please make the build reproducible

[Juan Picca]

Source: ossim
Version: 1.8.16-3
Severity: wishlist
Tags: patch
User: reproducible-builds at lists.alioth.debian.org
Usertags: timestamps

Hi!

While working on the "reproducible builds" effort [1], we have noticed
that ossim could not be built reproducibly.

The attached patch removes extra timestamps from the build system:

* avoid_overwrite_build_date.patch: avoid overwrite OSSIM_BUILD_DATE
  through TODAYS_DATE in CMakeLists.txt if OSSIM_BUILD_DATE was already
  defined.

* debian-rules.patch: modify debian/rules to set the variable
  OSSIM_BUILD_DATE in cmake command line.

Once applied, ossim can be built reproducibly in our current experimental
framework.

 [1]: https://wiki.debian.org/ReproducibleBuilds


-- System Information:
Debian Release: stretch/sid
  APT prefers testing-updates
  APT policy: (500, 'testing-updates'), (500, 'testing')
Architecture: amd64 (x86_64)
Foreign Architectures: i386

Kernel: Linux 3.16.0-4-amd64 (SMP w/8 CPU cores)
Locale: LANG=en_US.utf8, LC_CTYPE=en_US.utf8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)
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