Difference between revisions of "Compiling the viewer (Mac OS X)"

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#REDIRECT [[Compiling the viewer (Mac OS X XCode 6.1)]]
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The following are instructions for building the Second Life viewer on Mac OS X.  For other platforms, see [[Compiling the viewer]]
 
You will also need to check the '''Build Notes''' column of the table on [[source downloads]] page.
 
= Development Environment =
 
Most Lindens use XCode 3.0 on Leopard for building on Macintosh computers (though some still use XCode 2.4). For simplicity, we suggest installing everything from the mpkg.
 
You will need to install the proprietary libraries as well as all of the other third party libraries below.
<br />
<br />
= Installing Files =
 
== CMake (1.21 and later) ==
 
Install CMake 2.6.2 from [http://www.cmake.org cmake.org].
 
== Viewer Source, Libraries, and Artwork ==
 
The required source code, pre-compiled third-party libraries, and artwork files are available from the [[source downloads]] page.  Download the Mac/Linux (LF) source, the Mac library package, and the Artwork zip file. 
 
Note: if you are building Snowglobe from source, you can skip that stage by using a script provided with the source code which automatically downloads and installs all artwork and libraries (except for the fmod library):
 
$ ./scripts/public_fetch_tarballs.py
 
Unpack them into a single directory. The directory that you work in should should have no spaces in the name. For example, from the directory where you downloaded the tarballs (x.x.x.x = version number, e.g., 1.14.0.1.):
 
$ tar xvfz slviewer-src-x.x.x.x.tar.gz
$ tar xvfz slviewer-darwin-libs-x.x.x.x.tar.gz
$ unzip slviewer-artwork-x.x.x.x.zip
 
If you have Stuffit installed on your system, it may automacially unstuff .gz, so use  tar xvf, without the z to extract the tar file. It may also automatically unzip files. Instead of clicking on the file link, right click on the file link and select Download Linked File which will keep .gz and .zip intact.
 
The exact filenames will differ with the version number. If you open them with the double click file extract, remember that dragging folders on top of each other will overwrite the original contents, not merge them as in Windows.
 
Check the [[source downloads]] page for any special Build Notes associated with the viewer version, if any.
 
== Installing Libraries From Scratch (Optional) ==
 
For convenience, Lindens package up the libraries they are allowed to distribute so you can download and unpack them into your development working directory. The [[#Viewer Source, Libraries, and Artwork|above procedure]] installs pre-compiled third-party library files.  Alternatively, if you want to build the libraries yourself, See [[Compiling the viewer libraries (Mac OS X)|another page]].
 
== Installing Proprietary Libraries ==
 
The Viewer depends on some proprietary libraries.  Lindens do not distribute these libraries, so you will need to fetch and install these even if you download the libraries packages. (This is due to licensing restrictions.  Don't ask, Lindens already did, and can't get permission.  So you do have to get them yourself.)
 
=== Fmod ===
#Download & extract [http://www.fmod.org/index.php/download fmod 3.75 programmers api for macintosh].
#*(You do *not* want the latest version, instead scroll down to v3.75)
#Copy the extracted files, combining the separate PowerPC and x86 libraries into a universal binary.
 
$ mkdir -p linden/libraries/include
$ mkdir -p linden/libraries/universal-darwin/lib_debug
$ mkdir -p linden/libraries/universal-darwin/lib_release
$ cp -p fmodapi375mac/api/inc/*.h linden/libraries/include
$ lipo -create fmodapi375mac/api/lib/libfmod.a  fmodapi375mac/api/lib/libfmodx86.a  -output linden/libraries/universal-darwin/lib_debug/libfmod.a
$ touch -r fmodapi375mac/api/lib/libfmodx86.a linden/libraries/universal-darwin/lib_debug/libfmod.a
$ cp -p linden/libraries/universal-darwin/lib_debug/libfmod.a linden/libraries/universal-darwin/lib_release/libfmod.a
 
 
= Building the Viewer with CMake =
[http://cmake.org CMake] is a system for generating per-platform build files.  On OS X, it will generate your choice of Makefiles or Xcode project files.
 
'''NOTE:''' - these instructions only apply to version 1.21 and later of the Second Life viewer.  For instructions about compiling earlier versions, please see [[Compiling the viewer (Mac OS X, 1.20 and earlier)]]
 
== Quickstart ==
 
#Go into the <code>linden/indra</code> directory, and run <code>develop.py</code>.
#Launch XCode, open the project file 'linden/indra/build-darwin-universal/SecondLife.xcodeproj',
#Build the project.
 
== Build Configurations ==
 
; Debug: This configuration is more suitable for debugging. The build process will create the SecondLife application targeted for your host architecture. Unoptimized, includes debug symbols.
; RelWithDebInfo : Essentially the same as the Debug target without LL_DEBUG defined. This disables a significant amount of sanity checking which slows down the viewer. Unoptimized, includes debug symbols.
; Release : Optimised, without debug info.
 
== Configuring your tree ==
Before you first run a build, you'll need to configure things.  There's a <code>develop.py</code> script that will create a reasonably sane default configuration for you.
 
From the command line, '''cd into the indra subdirectory''' and run one of the following commands (depending on your choice of platform and build environment):
** XCode: <code>"./develop.py"</code>
** make: <code>"./develop.py -G 'Unix Makefiles'"</code>
 
'''NOTE:''' The above commands will configure a "non-standalone" version of the source code tree. This means that the required third party library packages (as built by Linden Lab) will be downloaded during the CMake process.
 
== Compiling ==
 
In the CMake world, we keep source and object files separate.  The <code>develop.py</code> script will create and populate a build directory for you, located in the <code>build-darwin-universal</code> directory.
 
To start a build,
# Run "./develop.py build"). 
 
-- or --
 
#  Change to the build directory (<code>build-darwin-universal</code>)
#  Run <code>make</code>
 
-- or --
 
#  Launch XCode, open the project file 'linden/indra/newview/build-darwin-universal/SecondLife.xcodeproj',
 
... and away you go!
 
== Where's the built viewer? ==
 
On OS X, your viewer build will be here by default:
<pre>
build-darwin-universal/newview/RelWithDebInfo/Second Life.app
</pre>
 
If you change the kind of build you use, the intermediate directory will also change, e.g. from <code>RelWithDebInfo</code> to <code>Release</code>.
 
= Building the Unit Tests =
From XCode, open the project 'linden/indra/test/MacTester.xcodeproj', set 'MacTester' as the active target, and build.
 
= What to do if it doesn't work for you =
 
* Ask for help on [[IRC]] (irc.efnet.org #opensl)
* Ask for help on the [[SLDev|SLDev mailing list]]
* Fix it: [[Modifying CMake Files‎]] (and please, submit a patch!)
 
= Submitting Patches =
This is probably far down the road, but if you make changes to the source and want to submit them, see the page about [[Submitting patches|submitting patches]].
 
[[Category:Compiling viewer]]

Latest revision as of 11:30, 23 April 2015

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