X-Git-Url: http://plrg.eecs.uci.edu/git/?a=blobdiff_plain;f=docs%2FHowToReleaseLLVM.rst;h=26e9f3b2ee8793d86ba2196ee56744b1b324ff8d;hb=71fa4016bbc6800689d2183e307ba6c8f6e1e689;hp=7bd5e14ff8343af5616cef7a4b97b53147d89a6a;hpb=2ba4bd97d1aedf50c424c45ee327abddbf34dd12;p=oota-llvm.git diff --git a/docs/HowToReleaseLLVM.rst b/docs/HowToReleaseLLVM.rst index 7bd5e14ff83..26e9f3b2ee8 100644 --- a/docs/HowToReleaseLLVM.rst +++ b/docs/HowToReleaseLLVM.rst @@ -14,17 +14,23 @@ including subprojects: e.g., ``clang`` and ``dragonegg`` --- to the public. It is the Release Manager's responsibility to ensure that a high quality build of LLVM is released. +If you're looking for the document on how to test the release candidates and +create the binary packages, please refer to the :doc:`ReleaseProcess` instead. + .. _timeline: Release Timeline ================ -LLVM is released on a time based schedule --- roughly every 6 months. We do -not normally have dot releases because of the nature of LLVM's incremental -development philosophy. That said, the only thing preventing dot releases for -critical bug fixes from happening is a lack of resources --- testers, -machines, time, etc. And, because of the high quality we desire for LLVM -releases, we cannot allow for a truncated form of release qualification. +LLVM is released on a time based schedule --- with major releases roughly +every 6 months. In between major releases there may be dot releases. +The release manager will determine if and when to make a dot release based +on feedback from the community. Typically, dot releases should be made if +there are large number of bug-fixes in the stable branch or a critical bug +has been discovered that affects a large number of users. + +Unless otherwise stated, dot releases will follow the same procedure as +major releases. The release process is roughly as follows: @@ -48,6 +54,10 @@ The release process is roughly as follows: * Finally, release! +The release process will be accelerated for dot releases. If the first round +of testing finds no critical bugs and no regressions since the last major release, +then additional rounds of testing will not be required. + Release Process =============== @@ -136,25 +146,25 @@ following commands: :: - $ svn mkdir https://llvm.org/svn/llvm-project/llvm/tags/RELEASE_XY + $ svn mkdir https://llvm.org/svn/llvm-project/llvm/tags/RELEASE_XYZ $ svn copy https://llvm.org/svn/llvm-project/llvm/branches/release_XY \ - https://llvm.org/svn/llvm-project/llvm/tags/RELEASE_XY/rc1 + https://llvm.org/svn/llvm-project/llvm/tags/RELEASE_XYZ/rc1 - $ svn mkdir https://llvm.org/svn/llvm-project/cfe/tags/RELEASE_XY + $ svn mkdir https://llvm.org/svn/llvm-project/cfe/tags/RELEASE_XYZ $ svn copy https://llvm.org/svn/llvm-project/cfe/branches/release_XY \ - https://llvm.org/svn/llvm-project/cfe/tags/RELEASE_XY/rc1 + https://llvm.org/svn/llvm-project/cfe/tags/RELEASE_XYZ/rc1 - $ svn mkdir https://llvm.org/svn/llvm-project/dragonegg/tags/RELEASE_XY + $ svn mkdir https://llvm.org/svn/llvm-project/dragonegg/tags/RELEASE_XYZ $ svn copy https://llvm.org/svn/llvm-project/dragonegg/branches/release_XY \ - https://llvm.org/svn/llvm-project/dragonegg/tags/RELEASE_XY/rc1 + https://llvm.org/svn/llvm-project/dragonegg/tags/RELEASE_XYZ/rc1 - $ svn mkdir https://llvm.org/svn/llvm-project/test-suite/tags/RELEASE_XY + $ svn mkdir https://llvm.org/svn/llvm-project/test-suite/tags/RELEASE_XYZ $ svn copy https://llvm.org/svn/llvm-project/test-suite/branches/release_XY \ - https://llvm.org/svn/llvm-project/test-suite/tags/RELEASE_XY/rc1 + https://llvm.org/svn/llvm-project/test-suite/tags/RELEASE_XYZ/rc1 Similarly, **Release Candidate 2** would be named ``RC2`` and so on. This keeps a permanent copy of the release candidate around for people to export and build -as they wish. The final released sources will be tagged in the ``RELEASE_XY`` +as they wish. The final released sources will be tagged in the ``RELEASE_XYZ`` directory as ``Final`` (c.f. :ref:`tag`). The Release Manager may supply pre-packaged source tarballs for users. This can @@ -162,10 +172,10 @@ be done with the following commands: :: - $ svn export https://llvm.org/svn/llvm-project/llvm/tags/RELEASE_XY/rc1 llvm-X.Yrc1 - $ svn export https://llvm.org/svn/llvm-project/cfe/tags/RELEASE_XY/rc1 clang-X.Yrc1 - $ svn export https://llvm.org/svn/llvm-project/dragonegg/tags/RELEASE_XY/rc1 dragonegg-X.Yrc1 - $ svn export https://llvm.org/svn/llvm-project/test-suite/tags/RELEASE_XY/rc1 llvm-test-X.Yrc1 + $ svn export https://llvm.org/svn/llvm-project/llvm/tags/RELEASE_XYZ/rc1 llvm-X.Yrc1 + $ svn export https://llvm.org/svn/llvm-project/cfe/tags/RELEASE_XYZ/rc1 clang-X.Yrc1 + $ svn export https://llvm.org/svn/llvm-project/dragonegg/tags/RELEASE_XYZ/rc1 dragonegg-X.Yrc1 + $ svn export https://llvm.org/svn/llvm-project/test-suite/tags/RELEASE_XYZ/rc1 llvm-test-X.Yrc1 $ tar -cvf - llvm-X.Yrc1 | gzip > llvm-X.Yrc1.src.tar.gz $ tar -cvf - clang-X.Yrc1 | gzip > clang-X.Yrc1.src.tar.gz @@ -196,7 +206,7 @@ Build LLVM Build ``Debug``, ``Release+Asserts``, and ``Release`` versions of ``llvm`` on all supported platforms. Directions to build ``llvm`` -are :ref:`here `. +are :doc:`here `. Build Clang Binary Distribution ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -235,6 +245,8 @@ when qualifying the build of ``llvm``, ``clang``, and ``dragonegg``. +--------------+---------------+----------------------+ | x86-64 | FreeBSD | gcc 4.2.X | +--------------+---------------+----------------------+ +| ARMv7 | Linux | gcc 4.6.X, gcc 4.7.X | ++--------------+---------------+----------------------+ Release Qualification Criteria ------------------------------ @@ -263,7 +275,7 @@ no regressions when using either ``clang`` or ``dragonegg`` with the Qualify Clang ^^^^^^^^^^^^^ -``Clang`` is qualified when front-end specific tests in the ``llvm`` dejagnu +``Clang`` is qualified when front-end specific tests in the ``llvm`` regression test suite all pass, clang's own test suite passes cleanly, and there are no regressions in the ``test-suite``. @@ -273,26 +285,30 @@ Specific Target Qualification Details +--------------+-------------+----------------+-----------------------------+ | Architecture | OS | clang baseline | tests | +==============+=============+================+=============================+ -| x86-32 | Linux | last release | llvm dejagnu, | -| | | | clang tests, | +| x86-32 | Linux | last release | llvm regression tests, | +| | | | clang regression tests, | | | | | test-suite (including spec) | +--------------+-------------+----------------+-----------------------------+ -| x86-32 | FreeBSD | last release | llvm dejagnu, | -| | | | clang tests, | +| x86-32 | FreeBSD | last release | llvm regression tests, | +| | | | clang regression tests, | | | | | test-suite | +--------------+-------------+----------------+-----------------------------+ | x86-32 | mingw | none | QT | +--------------+-------------+----------------+-----------------------------+ -| x86-64 | Mac OS 10.X | last release | llvm dejagnu, | -| | | | clang tests, | +| x86-64 | Mac OS 10.X | last release | llvm regression tests, | +| | | | clang regression tests, | | | | | test-suite (including spec) | +--------------+-------------+----------------+-----------------------------+ -| x86-64 | Linux | last release | llvm dejagnu, | -| | | | clang tests, | +| x86-64 | Linux | last release | llvm regression tests, | +| | | | clang regression tests, | | | | | test-suite (including spec) | +--------------+-------------+----------------+-----------------------------+ -| x86-64 | FreeBSD | last release | llvm dejagnu, | -| | | | clang tests, | +| x86-64 | FreeBSD | last release | llvm regression tests, | +| | | | clang regression tests, | +| | | | test-suite | ++--------------+-------------+----------------+-----------------------------+ +| ARMv7A | Linux | last release | llvm regression tests, | +| | | | clang regression tests, | | | | | test-suite | +--------------+-------------+----------------+-----------------------------+ @@ -343,6 +359,9 @@ Below are the rules regarding patching the release branch: #. During the remaining rounds of testing, only patches that fix critical regressions may be applied. +#. For dot releases all patches must mantain both API and ABI compatibility with + the previous major release. Only bugfixes will be accepted. + Release Final Tasks ------------------- @@ -370,16 +389,16 @@ Tag the final release sources using the following procedure: :: $ svn copy https://llvm.org/svn/llvm-project/llvm/branches/release_XY \ - https://llvm.org/svn/llvm-project/llvm/tags/RELEASE_XY/Final + https://llvm.org/svn/llvm-project/llvm/tags/RELEASE_XYZ/Final $ svn copy https://llvm.org/svn/llvm-project/cfe/branches/release_XY \ - https://llvm.org/svn/llvm-project/cfe/tags/RELEASE_XY/Final + https://llvm.org/svn/llvm-project/cfe/tags/RELEASE_XYZ/Final $ svn copy https://llvm.org/svn/llvm-project/dragonegg/branches/release_XY \ - https://llvm.org/svn/llvm-project/dragonegg/tags/RELEASE_XY/Final + https://llvm.org/svn/llvm-project/dragonegg/tags/RELEASE_XYZ/Final $ svn copy https://llvm.org/svn/llvm-project/test-suite/branches/release_XY \ - https://llvm.org/svn/llvm-project/test-suite/tags/RELEASE_XY/Final + https://llvm.org/svn/llvm-project/test-suite/tags/RELEASE_XYZ/Final Update the LLVM Demo Page -------------------------