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This prevents linters from covering the failure of previous linters by
overwriting the error code that Azure reads at the end of the step.
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According to most benchmarks, LLD is faster than GNU ld and the macOS
linker, so let's use it if possible in order to speed up the toolchain
build.
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In the last few commits, a second patch was added to the LLVM toolchain,
and it no longer uses our binutils patch. This commit changes the CI
cache keys accordingly, in order to prevent unnecessary rebuilds of both
toolchains when only one is changed.
The Clang toolchain's cache now only takes into account patches that
begin with `llvm`, and the GNU toolchain excludes those from the hash
calculation. We now also hash the two CMake cache files that we use for
building LLVM and its runtime libraries.
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The toolchain is built in a previous stage, but once the Serenity stage
has begun, we have to re-pull the toolchain from the Azure cache. There
is a timing window where a cache-busting change can be commited between
these steps; to alleviate the affect this has, pull the toolchain ccache
so that the build only takes a few minutes instead of a couple hours.
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Bump macOS CI version to macOS 11 while we're here.
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'bootmode' now only controls which set of services are started by
SystemServer, so it is more appropriate to rename it to system_mode, and
no longer validate it in the Kernel.
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Bootmode used to control panic behavior and SystemServer.
This patch factors panic behavior control into a separate flag.
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Bootmode used to control framebuffers, panic behavior, and SystemServer.
This patch factors framebuffer control into a separate flag.
Note that the combination 'bootmode=self-test fbdev=on' leads to
unexpected behavior, which can only be fixed in a later commit.
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As of the Clang 13 upgrade, we only need to build the toolchain once and
can use that toolchain for both x86_64 and i686. To do this, this breaks
the main Azure configuration into 3 "stages" (Lagom, Toolchain, and
Serenity), where the Serenity stage depends on the Toolchain stage.
This has the added benefit of uploading a new prebuilt toolchain cache
sooner than before, which should help alleviate pressure from PRs.
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We bust the prebuilt cache when any header in e.g. LibC changes. Doing a
full toolchain rebuild probably isn't necessary, so this adds a separate
ccache to speed up toolchain builds.
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Currently, the templated steps in Caches.yml rely on the environment
variable CCACHE_DIR being set to configure the ccache location. To
prepare for multiple ccache paths, do not rely on this environment
variable because only one ccache can use it at a time. Instead, pass
the path into the template as a parameter.
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Replace the old logic where we would start with a host build, and swap
all the CMake compiler and target variables underneath it to trick
CMake into building for Serenity after we configured and built the Lagom
code generators.
The SuperBuild creates two ExternalProjects, one for Lagom and one for
Serenity. The Serenity project depends on the install stage for the
Lagom build. The SuperBuild also generates a CMakeToolchain file for the
Serenity build to use that replaces the old toolchain file that was only
used for Ports.
To ensure that code generators are rebuilt when core libraries such as
AK and LibCore are modified, developers will need to direct their manual
`ninja` invocations to the SuperBuild's binary directory instead of the
Serenity binary directory.
This commit includes warning coalescing and option style cleanup for the
affected CMakeLists in the Kernel, top level, and runtime support
libraries. A large part of the cleanup is replacing USE_CLANG_TOOLCHAIN
with the proper CMAKE_CXX_COMPILER_ID variable, which will no longer be
confused by a host clang compiler.
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Moving this helper CMake file to the centralized Meta/CMake folder helps
to get a better grasp on what extra files are required for the build,
and what files are generated.
While we're at it, don't use add_compile_definitions for
ENABLE_UNICODE_DATA, which only needs to be seen by LibUnicode sources.
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The CLDR database comes in a .zip file.
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There is a bit of a race here between the Fuzzer and non-Fuzzer Lagom
builds. If the Unicode caches are empty, and the Fuzzer build completes
first, then the UCD and CLDR directories will be empty or won't exist.
Skip handling the Unicode caches for this build.
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The on-target pipelines have a timeout of 6 hours to allow time for a
clean toolchain + Serenity build. Tests should time out much sooner than
that though.
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Caches on Azure are immutable - so if a cache changes, but its key does
not, then the cache is not updated. Include a timestamp in the ccache
key so that we always push an updated cache from the master branch. Then
use a subkey without the timestamp to pull the cache.
We use a similar trick on GitHub Actions.
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We were over-hashing for the GNU build on GitHub Actions by including
the LLVM patch as well. The GNU Toolchain doesn't care about our LLVM
patches.
For Azure, fix the inversion of the condition for which jobs check which
Build*.sh script, and add the Toolchain patch files to the cache
hash calculation.
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Adds a compiler cache and a cache for the UCD files.
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