[Bug 1814369] Re: update toolchain packages for bionic

[Matthias Klose]

** Description changed:

+ This is a follow-up to LP: #1769657. I'd like to update the toolchain
+ packages in bionic, to state which we have in disco in Junuary 2019:
  
- This is a follow-up to LP: #1769657. I'd like to update the toolchain packages in bionic, to state which we have in disco in Junuary 2019:
- 
-  - gcc-8, update to the current gcc-8 branch
-  - gcc-7, updates to the gcc-7.4.0 release
-  - corresponding gcc-cross packages
+  - gcc-8, update to the gcc-8.3.0 release
+  - gcc-7, updates to the gcc-7.4.0 release
+  - corresponding gcc-cross packages
  
  The package builds are prepared in
  https://launchpad.net/~ubuntu-toolchain-r/+archive/ubuntu/ppa/+packages
  
  [Impact]
- Provide an upstream release for GCC 7, and update GCC 8 fixes to the
- current state of the gcc-8 branch.
+ Provide an upstream release for GCC 7, and update GCC 8 to the 8.3.0
+ release
  
  [Regression Potential]
  There is regression potential, however with a test rebuild of the complete archive no regressions were found.
  
  [Test Case]
  No regressions in the GCC test suite, and no regressions in the test
  rebuild of the main component of the archive (all architectures)
  
  As a test, a complete archive rebuild was performed, and no regressions
  were found with this new package. The archive rebuild also contained
  updated versions of OpenJDK, OPenSSL, gcc-7, gcc-8, python3.6 and
  python3.7. The OpenJDK, OpenSSL, GCC and Python packages should not
  infer with each other.
  
  [Validation]
  Analyze the build logs for regressions.
  For the cross builds, just make sure that the packages build using
  the updated sources.
  
  Summary of the test rebuilds:
  http://people.canonical.com/~doko/ftbfs-report/test-rebuild-20181222-bionic.html
  http://people.canonical.com/~doko/ftbfs-report/test-rebuild-20181222-test-bionic.html
  
  The first one is a reference build, the second one the test rebuild with
  the updated components.
  
  No regressions attributed to GCC are shown with the test rebuild.

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https://bugs.launchpad.net/bugs/1814369

Title:
  update toolchain packages for bionic

Status in gcc-7 package in Ubuntu:
  New
Status in gcc-7-cross package in Ubuntu:
  New
Status in gcc-7-cross-ports package in Ubuntu:
  New
Status in gcc-8 package in Ubuntu:
  New
Status in gcc-8-cross package in Ubuntu:
  New
Status in gcc-8-cross-ports package in Ubuntu:
  New
Status in gcc-7 source package in Bionic:
  New
Status in gcc-7-cross source package in Bionic:
  New
Status in gcc-7-cross-ports source package in Bionic:
  New
Status in gcc-8 source package in Bionic:
  New
Status in gcc-8-cross source package in Bionic:
  New
Status in gcc-8-cross-ports source package in Bionic:
  New
Status in gcc-7 source package in Cosmic:
  New
Status in gcc-7-cross source package in Cosmic:
  New
Status in gcc-7-cross-ports source package in Cosmic:
  New
Status in gcc-8 source package in Cosmic:
  New
Status in gcc-8-cross source package in Cosmic:
  New
Status in gcc-8-cross-ports source package in Cosmic:
  New

Bug description:
  This is a follow-up to LP: #1769657. I'd like to update the toolchain
  packages in bionic, to state which we have in disco in Junuary 2019:

   - gcc-8, update to the gcc-8.3.0 release
   - gcc-7, updates to the gcc-7.4.0 release
   - corresponding gcc-cross packages

  The package builds are prepared in
  https://launchpad.net/~ubuntu-toolchain-r/+archive/ubuntu/ppa/+packages

  [Impact]
  Provide an upstream release for GCC 7, and update GCC 8 to the 8.3.0
  release

  [Regression Potential]
  There is regression potential, however with a test rebuild of the complete archive no regressions were found.

  [Test Case]
  No regressions in the GCC test suite, and no regressions in the test
  rebuild of the main component of the archive (all architectures)

  As a test, a complete archive rebuild was performed, and no
  regressions were found with this new package. The archive rebuild also
  contained updated versions of OpenJDK, OPenSSL, gcc-7, gcc-8,
  python3.6 and python3.7. The OpenJDK, OpenSSL, GCC and Python packages
  should not infer with each other.

  [Validation]
  Analyze the build logs for regressions.
  For the cross builds, just make sure that the packages build using
  the updated sources.

  Summary of the test rebuilds:
  http://people.canonical.com/~doko/ftbfs-report/test-rebuild-20181222-bionic.html
  http://people.canonical.com/~doko/ftbfs-report/test-rebuild-20181222-test-bionic.html

  The first one is a reference build, the second one the test rebuild
  with the updated components.

  No regressions attributed to GCC are shown with the test rebuild.

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