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The fuse2fs tool that is part of e2fsprogs-1.46 has a 'fakeroot'
mount option. This allows a non-root users to modify file ownership
and permissions without actually being root. This package is
available in Debian bullseye and buster-backports.
If available, the script assumes the user wants to use it.
Otherwise, it falls back to the usual root requirements.
Now that root is not required, the root check in
build-root-filesystem.sh is not necessary. Since
build-root-filesystem.sh has 'set -e' enabled, removing this check
will not cause a change in functionality.
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With this, we can now compile C++ programs with the LLVM port without
having to jump through hooks to build libc++ because it can't be
cross-compiled with our GNU toolchain.
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If we do this, the LLVM port's Clang will pick up these paths, so we
won't have to compile libc++ twice. This does increase the size of
_disk_image by 5 MB, but that shouldn't be a problem.
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To ensure everything works as expected, a unit test was added with
multiple scenarios.
This binary has to have the SetUID flag, and we also bind-mount the
/usr/Tests directory to allow running of SetUID binaries.
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This commit updates the Clang toolchain's version to 13.0.0, which comes
with better C++20 support and improved handling of new features by
clang-format. Due to the newly enabled `-Bsymbolic-functions` flag, our
Clang binaries will only be 2-4% slower than if we dynamically linked
them, but we save hundreds of megabytes of disk space.
The `BuildClang.sh` script has been reworked to build the entire
toolchain in just three steps: one for the compiler, one for GNU
binutils, and one for the runtime libraries. This reduces the complexity
of the build script, and will allow us to modify the CI configuration to
only rebuild the libraries when our libc headers change.
Most of the compile flags have been moved out to a separate CMake cache
file, similarly to how the Android and Fuchsia toolchains are
implemented within the LLVM repo. This provides a nicer interface than
the heaps of command-line arguments.
We no longer build separate toolchains for each architecture, as the
same Clang binary can compile code for multiple targets.
The horrible mess that `SERENITY_CLANG_ARCH` was, has been removed in
this commit. Clang happily accepts an `i686-pc-serenity` target triple,
which matches what our GCC toolchain accepts.
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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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This command copies the project's source tree to
/home/anon/Source/serenity in the built disk image.
This will be useful for working on serenity inside serenity :^)
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Similarly to the LibCpp parser regression tests, these tests run the
preprocessor on the .cpp test files under
Userland/LibCpp/Tests/preprocessor, and compare the output with existing
.txt ground truth files.
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This contains all the bits and pieces necessary to build a Clang binary
that will correctly compile SerenityOS.
I had some trouble with getting LLVM building with a single command, so
for now, I decided to build each LLVM component in a separate command
invocation. In the future, we can also make the main llvm build step
architecture-independent, but that would come with extra work to make
library and include paths work.
The binutils build invocation and related boilerplate is duplicated
because we only use `objdump` from GNU binutils in the Clang toolchain,
so most features can be disabled.
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Previously we'd fall back to using cp if rsync wasn't available. Not
only is this considerably slower it also breaks when some of the files
in the target directory are symlinks because cp tries to dereference
them.
Fixes #8672.
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This speeds up the boot process considerably when specifying the kernel
image via -initrd.
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Unfortunately we can't just use --chown everywhere because only rsync
version 3.1 and newer support it and the default rsync on macOS is
2.6.9.
Fixes #8711.
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We make SystemServer to mount the new SysFS in /sys.
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Previously the build script assumed that certain utilities were always
available.
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Since this program is setuid-root, it should be as simple as possible.
To that end, remove `/etc/plsusers` and use filesystem permissions to
achieve the same thing. `/bin/pls` is now only executable by `root` or
members of the `wheel` group.
Also remove all the logic that went to great lengths to `unveil()` a
minimal set of filesystem paths that may be used for the command.
The complexity-to-benefit ratio did not seem justified, and I think
we're better off keeping this simple.
Finally, remove pledge promises the moment they are no longer needed.
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As per comment found in #6319 by @bcoles, `pls` should check the
permissions and owner of the sudoers file to ensure that it hasn't
been compromised.
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This fixes #7492.
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This only tests "can it be parsed", but the goal of this commit is to
provide a test framework that can be built upon :)
The conformance tests are downloaded, compiled* and installed only if
the INCLUDE_WASM_SPEC_TESTS cmake option is enabled.
(*) Since we do not yet have a wast parser, the compilation is delegated
to an external tool from binaryen, `wasm-as`, which is required for the
test suite download/install to succeed.
This *does* run the tests in CI, but it currently does not include the
spec conformance tests.
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For each .cpp file in the test suite data, there is a .ast file that
represents the "known good" baseline of the parser result.
Each .cpp file goes through the parser, and the result of
invoking `ASTNode::dump()` on the root node is compared to the
baseline to find regressions.
We also check that there were no parser errors when parsing the .cpp
files.
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This is similar to the LibJS test data that resides in
/home/anon/js-tests.
It's more convenient than storing the test programs as raw strings
in the code.
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Previously, we would end up with `js-tests/Tests` and `web-tests/Tests`
because the previous directories were already there.
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This was in the /etc/WindowServer/ directory which had nothing else in
it, so let's just get rid of the directory and move this up one step.
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Using rsync is significantly faster when we're using an existing
image because we only have to copy files which are new or have
been updated. This cuts down the image creation time to about
a second or two assuming an old image exists.
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This utility traces the route packets take to a user specified host.
QEMU user networking (the type of networking we currently have setup)
does not support sending "real" raw IPv4 packets, and as such we cant
specify a custom TTL value. As a result, this utility will only work
on real hardware, qemu setup with tun networking (requires root) and
other hypervisors that support bridged adapters (VirtualBox/VMWare).
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realpath(1) is specific to coreutils and its behavior can be had
with readlink -f
Create the Toolchain Build directory if it doesn't exist before
calling readlink, since realpath(3) on at least OpenBSD will error
on a non-existent path
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This commit adds a simple project template system to HackStudio,
as well as a pretty New Project dialog, inspired by early VS.NET
and MS Office.
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This was a cute application for its time, but it's far too jokey and
non-serious for how I'd like this project to treat itself.
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Missing '{'. Thanks to @BenWiederhake for noticing!
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This used to be in Kernel/, next to the build-root-filesystem.sh script,
which was then moved to Meta/ during the transition to CMake but has the
working directory set to Build/, effectively expecting it there - which
seems silly.
TL;DR: Very confusing. Use an explicit path relative to SERENITY_ROOT
instead and update the .gitignore files.
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If Serenity is ever used for more than a few days, the user will be more likely to
want to interact with their home directory than just be dropped at '/'.
Also, we have a Welcome program. Spotlight it!
And finally, there was a missing newline in the build script.
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This patch moves the user account password hashes from /etc/passwd,
where they were world-readable, to /etc/shadow, where only root can
access them.
The Core::Account class is extended to support both authentication
against, and modification of /etc/shadow.
The default password for "anon" as of this commit is "foo" :^)
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* Add SERENITY_ARCH option to CMake for selecting the target toolchain
* Port all build scripts but continue to use i686
* Update GitHub Actions cache to include BuildIt.sh
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The DevFS along with DevPtsFS give a complete solution for populating
device nodes in /dev. The main purpose of DevFS is to eliminate the
need of device nodes generation when building the system.
Later on, DevFS will assist with exposing disk partition nodes.
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I just picked three apps at random: Browser, TextEditor and Help.
This should make it a bit more visible that we have a working desktop.
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