1. Build A Body Mac Os Catalina
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1. Question from Chris B: I’d really like to have a Mac, but since I can’t afford one I’d like to build a computer and install Mac OS on it. I know people build their own Windows PCs from scratch all the time. Can you tell me how to build my own Mac? I have $500 that I can spend on it.
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This page describes how to set up a build environment for LibreOffice on macOS 10.14.4. Building master requires Xcode 11.3 or later, which requires macOS 10.14.4 or later.

Prerequisites

1. Install Xcode from the App Store. The intent is that LibreOffice will always be buildable with the current Xcode on current macOS. Right after a new Xcode version is released, or after a new macOS version is released, there might be a few days while that is not true. Just be patient in that case. Using older Xcode versions on older macOS versions might also work. What you are absolutely not expected to do is to specifically download some old Xcode version or a separate old SDK and use those.
2. Run Xcode at least once (you don't need to open or create any project)
3. If you are planning to work on the parts of LibreOffice that are implemented in Java, mainly the HSQLDB embedded database in Base, you need to download and install a JDK (Java SE Development Kit): Oracle's Java SE Development Kit. But that is entirely optional. If you want to avoid Java, just use the --without-java option in your autogen.input or on the autogen.sh command line, when you get that far.

Notice: according to http://document-foundation-mail-archive.969070.n3.nabble.com/About-building-on-Apple-Silicon-M1-tt4298988.html, everything should be ok to build with mac containing processor Apple Silicon M1 except a known issue with in-process JVM (see https://lists.freedesktop.org/archives/libreoffice/2020-December/086490.html)

Building

See Development/lode.

Building Tips

See platform-independent tips at Development/GenericBuildingHints

Building in a ssh session

In some cases it seems that if you are building in a ssh session, some unit tests fail unless you also have a windowing session open to the machine, either on the physical console or through Screen Sharing.

Performance

Building LibreOffice takes time, a lot of time. Exactly how much depends on how powerful your machine is. But there are tools you can use to speed-up things.

ccache

ccache is short for compiler cache - and it is exactly that. It saves tons of time by not running the actual compiler when little has changed in the source codebetween two builds. But note that unless you explicitly do 'make clean' often, that is not typically the case, and using ccache just because you think it maybe helps is not a good idea.

Get it here: [1]

Build it like this:

You will also need to ensure the following is defined, e.g. in .bash_profile in your home folder, if using ccache (see Development/Building LibreOffice with Clang for full details), otherwise clang will report errors and show unnecessary warnings:

The default cache limit (5 GB) is not large enough to be useful for a LibreOffice build, but you can increase it, for instance to 30 GB:

To check what the current cache limit is, and see ccache statistics, run it with the -s command-line option:

The mischief of created things mac os.

Upgrading to a recent macOS on unsupported machines

Using various unofficial third-party tools it might be possible to run newer macOS versions on machines that are older than what that macOS version supports. If you need that, search for it. It is not relevant to duplicate such information here.

Don't bother building the ODK

It is likely that you don't need to build the 'ODK' (Office Development Kit), especially as building that would require installing one more dependency: doxygen. Use the --disable-odk option in your autogen.input or on the autogen.sh command line.

See also

There are instructions for other platforms linked from the get the code page.

Instructions for Google Employees

Are you a Google employee? See go/building-chrome instead.

System requirements

Build A Body Mac Os Catalina

• A 64-bit Intel Mac running 10.15.4+. (Building on Arm Macs is not yet supported.)

• Xcode 12.2+. This version of Xcode comes with ..

• The macOS 11.0 SDK. Run

  to check whether you have it. Building with a newer SDK usually works too (please fix it if it doesn't), but the releases currently use Xcode 12.2 and the macOS 11.0 SDK.

Install depot_tools

Apple imovie software. Clone the depot_tools repository:

Add depot_tools to the end of your PATH (you will probably want to put this in your ~/.bash_profile or ~/.zshrc). Assuming you cloned depot_tools to /path/to/depot_tools (note: you must use the absolute path or Python will not be able to find infra tools):

Get the code

Ensure that unicode filenames aren't mangled by HFS:

In System Preferences, check that “Energy Saver” -> “Power Adapter” -> “Prevent computer from sleeping automatically when the display is off” is checked so that your laptop doesn't go to sleep and interrupt the long network connection needed here.

Create a chromium directory for the checkout and change to it (you can call this whatever you like and put it wherever you like, as long as the full path has no spaces):

Run the fetch tool from depot_tools to check out the code and its dependencies.

If you don't need the full repo history, you can save time by using fetch --no-history chromium. You can call git fetch --unshallow to retrieve the full history later.

Expect the command to take 30 minutes on even a fast connection, and many hours on slower ones.

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When fetch completes, it will have created a hidden .gclient file and a directory called src in the working directory. The remaining instructions assume you have switched to the src directory:

Optional: You can also install API keys if you want your build to talk to some Google services, but this is not necessary for most development and testing purposes.

Setting up the build

Chromium uses Ninja as its main build tool along with a tool called GN to generate .ninja files. You can create any number of build directories with different configurations. To create a build directory:

• You only have to run this once for each new build directory, Ninja will update the build files as needed.
• You can replace Default with another name, but it should be a subdirectory of out.
• For other build arguments, including release settings, see GN build configuration. The default will be a debug component build matching the current host operating system and CPU.
• For more info on GN, run gn help on the command line or read the quick start guide.
• Building Chromium for arm Macs requires additional setup.

Faster builds

Full rebuilds are about the same speed in Debug and Release, but linking is a lot faster in Release builds.

Put

in your args.gn to do a release build.

Put

in your args.gn to build many small dylibs instead of a single large executable. This makes incremental builds much faster, at the cost of producing a binary that opens less quickly. Component builds work in both debug and release.

Put

in your args.gn to disable debug symbols altogether. This makes both full rebuilds and linking faster (at the cost of not getting symbolized backtraces in gdb).

CCache

Build A Body Mac Os X

You might also want to install ccache to speed up the build.

Build Chromium

Build Chromium (the “chrome” target) with Ninja using the command:

(autoninja is a wrapper that automatically provides optimal values for the arguments passed to ninja.)

You can get a list of all of the other build targets from GN by running gn ls out/Default from the command line. To compile one, pass the GN label to Ninja with no preceding “//” (so, for //chrome/test:unit_tests use autoninja -C out/Default chrome/test:unit_tests).

Run Chromium

Once it is built, you can simply run the browser:

Avoiding the “incoming network connections” dialog

Every time you start a new developer build of Chrome you get a system dialog asking “Do you want the application Chromium.app to accept incoming network connections?” - to avoid this, run with this command-line flag:

--disable-features=“MediaRouter”

Running test targets

You can run the tests in the same way. You can also limit which tests are run using the --gtest_filter arg, e.g.:

You can find out more about GoogleTest at its GitHub page.

Debugging

Good debugging tips can be found here.

Update your checkout

To update an existing checkout, you can run

The first command updates the primary Chromium source repository and rebases any of your local branches on top of tip-of-tree (aka the Git branch origin/master). If you don't want to use this script, you can also just use git pull or other common Git commands to update the repo.

The second command syncs dependencies to the appropriate versions and re-runs hooks as needed.

Tips, tricks, and troubleshooting

Using Xcode-Ninja Hybrid

While using Xcode is unsupported, GN supports a hybrid approach of using Ninja for building, but Xcode for editing and driving compilation. Xcode is still slow, but it runs fairly well even with indexing enabled. Most people build in the Terminal and write code with a text editor, though.

With hybrid builds, compilation is still handled by Ninja, and can be run from the command line (e.g. autoninja -C out/gn chrome) or by choosing the chrome target in the hybrid project and choosing Build.

To use Xcode-Ninja Hybrid pass --ide=xcode to gn gen:

Open it:

You may run into a problem where http://YES is opened as a new tab every time you launch Chrome. To fix this, open the scheme editor for the Run scheme, choose the Options tab, and uncheck “Allow debugging when using document Versions Browser”. When this option is checked, Xcode adds --NSDocumentRevisionsDebugMode YES to the launch arguments, and the YES gets interpreted as a URL to open.

If you have problems building, join us in #chromium on irc.freenode.net and ask there. Be sure that the waterfall is green and the tree is open before checking out. This will increase your chances of success.

Improving performance of git status

Increase the vnode cache size

git status is used frequently to determine the status of your checkout. Due to the large number of files in Chromium‘s checkout, git status performance can be quite variable. Increasing the system’s vnode cache appears to help. By default, this command:

Outputs kern.maxvnodes: 263168 (263168 is 257 * 1024). To increase this setting:

Higher values may be appropriate if you routinely move between different Chromium checkouts. Piu-piu mac os. This setting will reset on reboot, the startup setting can be set in /etc/sysctl.conf:

Or edit the file directly.

Configure git to use an untracked cache

If git --version reports 2.8 or higher, try running

If the output ends with OK, then the following may also improve performance of git status:

If git --version reports 2.6 or higher, but below 2.8, you can instead run

Xcode license agreement

If you're getting the error

Agreeing to the Xcode/iOS license requires admin privileges, please re-run as root via sudo.

the Xcode license hasn't been accepted yet which (contrary to the message) any user can do by running:

Only accepting for all users of the machine requires root: