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Baseline: ac88041 Cherry picks: + 9bc3b20: Fix the "nojava" platform and enable full presubmit checks for the various JDK platforms now that we have enough GCE resources. + 54c2572: Add openjdk_linux_archive java_toolchain for nojava platform. + 20bfdc6: Automated rollback of commit 19a401c. + 914b4ce: Windows: Fix Precondition check for addDynamicInputLinkOptions + 83d406b: Windows, test-setup.sh: Setting RUNFILES_MANIFEST_FILE only when it exists. + e025726: Update turbine + 5f312dd: Fix event id for action_completed BEP events The Bazel team is happy to announce a new version of Bazel, [Bazel 0.19](https://github.com/bazelbuild/bazel/releases/tag/0.19.0). This document lists the major changes since Bazel 0.18. General changes --------------- * The `--incompatible_expand_directories` flag will automatically expand directories in command lines. Design doc: https://docs.google.com/document/d/11agWFiOUiz2htBLj6swPTob5z78TrCxm8DQE4uJLOwM * The `--loading_phase_threads` flag now defaults to `auto` (not 200, as was previously the case), which at the moment corresponds to the number of CPUs. This is appropriate for most users. However, if your sources reside on a network file system, increasing this value may yield better analysis-time performance when disk caches are cold. Android ------- * Fixed missing debug symbols when building native code with `--compilation_mode=dbg` that target Android ARM architectures by adding the `-g` flag. C++ --- * Added `--incompatible_disable_legacy_flags_cc_toolchain_api` to deprecate legacy `cc_toolchain` Starlark API for legacy CROSSTOOL fields. Tracking issue is bazelbuild#6434. Migration docs are on the bazel website. * Runfiles in cc_test: the C++ runfiles library (`@bazel_tools//tools/cpp/runfiles`) can now create Runfiles objects for tests. See `//tools/cpp/runfiles/runfiles_src.h` (in the Bazel source tree) for documentation. * :cc_binary link action no longer hardcodes `-static-libgcc` for toolchains that support embedded runtimes (guarded by `--experimental_dont_emit_static_libgcc` temporarily). * The flag `--experimental_enable_cc_configuration_make_variables` is removed, use `--incompatible_disable_cc_configuration_make_variables` instead. Java ---- * If the `--javabase` flag is unset, Bazel locates a JDK using the `JAVA_HOME` environment variable and searching the PATH. If no JDK is found `--javabase` will be empty, and builds targeting Java will not be supported. Previously Bazel would fall back to using the embedded JDK as a `--javabase`, but this is no longer default behaviour. A JDK should be explicitly installed instead to enable Java development. Code Coverage ------------- * LcovMerger was renamed to CoverageOutputGenerator. * Faster coverage collection for gcc compiled C++ code can now be tested by enabling it with `--experimental_cc_coverage`. Other Changes ------------- * Add `--apple_compiler` and `--apple_grte_top options`. These provide the equivalent of --compiler / --grte_top for the toolchain configured in --apple_crosstool_top. * There is now a `same_pkg_direct_rdeps` query function. See the query documentation for more details. * Propagating remote errors to the user even if `--verbose_failures=false` is set. * Add number of configured targets to analysis phase status output. * Bazel will now check stderr instead of stdout to decide if it is outputting to a terminal. `--isatty` is deprecated, use `--is_stderr_atty` instead. Future Changes -------------- * None of the C++ related incompatible flags mentioned in the 0.18 release were flipped, they will be flipped in the next release (0.20). We have created tracking issues for all the relevant incompatible flags: * [`--incompatible_disable_late_bound_option_defaults`](https://docs.bazel.build/versions/master/skylark/backward-compatibility.html#disable-late-bound-option-defaults): bazelbuild#6384 * [`--incompatible_disable_depset_in_cc_user_flags`](https://docs.bazel.build/versions/master/skylark/backward-compatibility.html#disable-depsets-in-c-toolchain-api-in-user-flags): bazelbuild#6383 * [`--incompatible_disable_cc_toolchain_label_from_crosstool_proto`](https://docs.bazel.build/versions/master/skylark/backward-compatibility.html#disallow-using-crosstool-to-select-the-cc_toolchain-label): bazelbuild#6382 * [`--incompatible_disable_cc_configuration_make_variables`](bazelbuild#6381): bazelbuild#6381 * [`--incompatible_disable_legacy_cpp_toolchain_skylark_api`](https://docs.bazel.build/versions/master/skylark/backward-compatibility.html#disable-legacy-c-configuration-api): bazelbuild#6380 * [`incompatible_disable_legacy_flags_cc_toolchain_api`](https://docs.bazel.build/versions/master/skylark/backward-compatibility.html#disable-legacy-c-toolchain-api): bazelbuild#6434 * In the 0.20 release the flags [`--incompatible_remove_native_git_repository`](https://docs.bazel.build/versions/master/skylark/backward-compatibility.html#remove-native-git-repository) and [`--incompatible_remove_native_http_archive`](https://docs.bazel.build/versions/master/skylark/backward-compatibility.html#remove-native-http-archive) will be turned on. Thank you to our contributors! ------------------------------ This release contains contributions from many people at Google, as well as Andreas Herrmann, Andreas Hippler, Benjamin Peterson, David Ostrovsky, Ed Baunton, George Gensure, Igal Tabachnik, Jason Gavris, Loo Rong Jie, rmalik, and Yannic Bonenberger Thank you to everyone who contributed to this release!
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