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{{multi-lang|Get source and compile|pt}}
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This information is for people who want to work with the source code for the viewer.


Even if you don't plan to develop, just the act of downloading and compiling can uncover problems. If the version you download doesn't build on your platform, file a bug.
==Open Source Viewer==


== Getting the source ==
Viewer code is hosted by [https://github.com/secondlife GitHub] using [https://en.wikipedia.org/wiki/Git git].


The Second Life source code can be downloaded from our Subversion repository at
* [https://github.com/secondlife/viewer Second Life Viewer]


https://www.lindenlab.dreamhosters.com/svn/linden/release/
Other repositories where development for future features can be seen are listed on the [https://releasenotes.secondlife.com/repositories.html Release Notes Repositories] page. If you have not worked with GitHub or distributed version control you may be interested in [https://docs.github.com/en/get-started GitHub's introductory material].


You can download the files using your web browser, but it is recommended that you use a Subversion Client
=== Checking out Code ===
You can download a command line client for most operating systems at the Subversion [http://subversion.tigris.org/ web site].  If you are more comfortable with Graphical interfaces, you can also use [http://tortoisesvn.net/ TortoiseSVN], or [http://rapidsvn.tigris.org/ RapidSVN]


To clone the current release repository:
git clone https://github.com/secondlife/viewer.git


Get a Subversion account from [[User:Rob Linden|Rob Linden]] and check out using the following command
== Compiling ==


svn co https://www.lindenlab.dreamhosters.com/svn/linden/release/
Per platform instructions are available in these topics:
* [[Build the Viewer on Windows|Windows]]
* [[Build the Viewer on macOS|macOS]]


=== Notes ===


To understand what you are looking at after you check out the code, see [[viewer source]].
[[Common compilation problems]]


== Setting up the development environment w/libraries ==
=== Autobuild ===
[[Autobuild]] is the new Linden Lab framework to maintain and build everything, from viewer to 3rd party libraries.


=== Windows ===
Instructions:
==== Development Environment ====
* [[Build Viewer With Autobuild]]
The following dev environment is what LL uses for Windows development.  There is no reason that the Second Life viewer can not be built using other enviroments, but it will take some extra work.  We should soon have instructions for building the viewer using Microsoft's Visual Studio .NET 2005 Express, which at the time of writing, was freely available.
* [[Build_3rd_Party_lib_with_Autobuild]]


* Visual Studio .NET 2003 Professional
== Channels and Versions ==
** [http://www.microsoft.com/downloads/details.aspx?familyid=0BAF2B35-C656-4969-ACE8-E4C0C0716ADB&displaylang=en Microsoft Platform SDK]
** NEED NEWER DIRECTX [http://www.microsoft.com/downloads/details.aspx?FamilyID=9216652f-51e0-402e-b7b5-feb68d00f298&displaylang=en DirectX 9.0 SDK Update (Summer 2003)]
** Set up the project globals:
*** Start Visual C++
*** Go to Tools/Options/Projects/VC++ Directories
*** Make sure that the '''includes''' and '''libraries''' paths have the DirectX SDK paths first, then the Platform SDK paths, and then the Visual C++ paths.
* [http://www.activestate.com/Products/ActivePython/?mp=1 ActivePython 2.3x]
* [http://www.activestate.com/Products/ActivePerl/?mp=1 ActivePerl]
* [http://www.cygwin.com/ Cygwin]
** When you run the cygwin setup utility make sure you have selected to install patchutil, flex, and bison (all located under "devel").


==== Libraries ====
Channels are just groupings of versions. Linden Lab uses channels to track and supply updates for Project, Beta, and Release Viewers separately.
In the source directory, there are several empty placeholder folders for libraries which the Second Life viewer relies upon, but which Linden Lab can not ship the source. This section describes how to acquire the code, and how to install it. It is a good idea to install in order, as some libraries will rely on previous installs (ie, libcurl needs opensll and zlib).


*DLLs
On login, the combination of channel plus version is checked against a set of rules in the Viewer Version Management service. Within each channel, some versions are allowed and some are blocked. Viewers are blocked if they are too old, are unsafe (security issues),
** xul.dll - build moz?
incompatible (the protocol has been changed in some fundamental way), or
** js3250.dll
are a test version and Linden Lab only wants data from the most recent. See [[Viewer Integration and Release Processes]] for an explanation of how different versions are managed by Linden Lab.
** nspr4.dll
** plc4.dll
** plds4.dll
** smime2.dll
** nss3.dll
** softokn3.dll
** ssl3.dll
** those are all the moz
** fmod.dll
** freetype6.dll
** zlib1.dll


'''If you are building a viewer, the [http://secondlife.com/corporate/tpv.php Policy on Third Party Viewers] requires that you set your own channel name.'''


===== Boost =====
See:
* Download & extract [http://sourceforge.net/project/showfiles.php?group_id=7586&package_id=8041 Boost] source for win32.
:;[[Channel and Version Requirements]]
* Copy the "boost_X_XX_X\boost" folder to "libraries\include\".
::a detailed explanation and official policy on channels and versions in Second Life, and an explanation of how to set your channel name when building.
* Run "boost_X_XX_X\tools\build\jam_src\build".
* Copy "boost_X_XX_X\tools\build\jam_src\bin.ntx86\bjam.exe" to "boost_X_XX_X\".
* Using the command prompt, build the static libraries:
** cd linden\libraries\boost-X_XX_X\
** set PYTHON_ROOT=C:\Python23
** set PYTHON_VERSION=2.3
** bjam stage
* copy "boost_X_XX_X\stage\lib\libboost_python-vc71-mt.lib" to "\libraries\i686-win32\lib_release\"
* copy "boost_X_XX_X\stage\lib\libboost_python-vc71-mt-gd.lib" to "\libraries\i686-win32\lib_release\libboost_python-vc71-mt.lib"
* copy "boost_X_XX_X\stage\lib\libboost_regex-vc71-mt-s.lib" to "\libraries\i686-win32\lib_release\"
* copy "boost_X_XX_X\stage\lib\libboost_regex-vc71-mt-sgd.lib" to "\libraries\i686-win32\lib_release\libboost_regex-vc71-mt-s.lib"


===== Expat =====
[[Category:Compiling viewer]]
* Download and run [http://sourceforge.net/project/showfiles.php?group_id=10127 Expat Win32 Binary]
* copy "Expat-X.X.X\Source\lib\expat.h" to "libraries\include\expat\".
* copy "Expat-X.X.X\Source\lib\expat_external.h" to "libraries\include\expat\".
* copy "Expat-X.X.X\StaticLibs\libexpatMT.lib" to "libraries\i686-win32\lib_release\".
* copy "Expat-X.X.X\StaticLibs\libexpatMT.lib" to "libraries\i686-win32\lib_debug\".
 
===== ZLib =====
* Download & extract [http://www.zlib.net/ Zlib]
* copy "zlibXXX\zlib.h" to "libraries\include\zlib\".
* copy "zlibXXX\zconf.h" to "libraries\include\zlib\".
* Using the command prompt, build the static libraries:
** "C:\Program Files\Microsoft Visual Studio .net 2003\Common7\Tools\vsvars32.bat"
** cd %ZLIB_FOLDER%
** nmake -f win32/Makefile.msc
* copy "zlibXXX\zlib.lib" to "libraries\i686-win32\lib_release\".
* copy "zlibXXX\zlib.lib" to "libraries\i686-win32\lib_debug\".
 
===== Apache Portable Runtime =====
* Take out XML dependancies, move expat headers!!!!
* Download & extract [http://apr.apache.org/download.cgi apr, apr-util, and apr-iconv].
* For simplicity  place all three in a parallel directory structure, and rename the directories:
** C:\work\apr\
** C:\work\apr-iconv\
** C:\work\apr-util\
* Open the "\apr-util\aprutil.dsp" project in VS2003.
* For the apr, apr-util & aper-iconv projects, change the Runtime Library from Multi-threaded DLL to Multi-threaded:
** Right click each project in the Solution Explorer, choose properties.
** In the C/C++ folder, choose Code Generation.
** Change the Runtime Library to Muli-threaded.
** Repeat for both debug and release.
* Remove the apr-util's dependency on xml:
** Right click the apr-util project, and choose dependencies.
** Uncheck xml.
** Right click the xml project in the Solution Explorer.
** Choose Remove.
* copy "Expat-X.X.X\Source\lib\expat.h" to "apr\apr-util\xml".
* copy "Expat-X.X.X\Source\lib\expat_external.h" to "apr\apr-util\xml\".
* Build Solution for Debug, and build solution for release.
* copy "\apr-util\LibR\aprutil-1.lib" to "libraries\i686-win32\lib_release".
* copy "\apr-util\LibR\aprutil_src.pdb" to "libraries\i686-win32\lib_release".
* copy "\apr\LibR\apr-1.lib" to "libraries\i686-win32\lib_release".
* copy "\apr\LibR\apr_src.pdb" to "libraries\i686-win32\lib_release".
* copy "\apr-util\LibD\aprutil-1.lib" to "libraries\i686-win32\lib_debug".
* copy "\apr-util\LibD\aprutil_src.pdb" to "libraries\i686-win32\lib_debug".
* copy "\apr\LibD\apr-1.lib" to "libraries\i686-win32\lib_debug".
* copy "\apr\LibD\apr_src.pdb" to "libraries\i686-win32\lib_debug".
* copy header files:
** copy the contents of "apr\include" to "libraries\i686-win32\include\apr-1".
** in "libraries\i686-win32\include\apr-1\arch\" only the "win32" dir and "apr_private_common.h" are required.
** copy the contents of "apr-util\include" to "libraries\i686-win32\include\apr-1".
 
===== Freetype =====
* Download and run [http://gnuwin32.sourceforge.net/packages/freetype.htm FreeType for Windows].
* copy the contents of "GnuWin32\include\freetype2\freetype" into "\libraries\include\freetype"
* copy "GnuWin32\libfreetype.lib" to "libraries\i686-win32\lib_release".
* copy "GnuWin32\libfreetype.lib" to "libraries\i686-win32\lib_debug".
* copy "GnuWin32\include\ft2build.h" to "libraries\include".
 
===== gl =====
* Download [http://oss.sgi.com/projects/ogl-sample/sdk.html glext.h, glxext.h, and wglext.h]
* Copy them to "libraries\i686-win32\include\GL"
* WE PACK THE REST
 
===== OpenSSL =====
* Download and extract
* Using the command prompt, build the static libraries:
** cd %PATH%
** perl Configure VC-WIN32
** ms\do_masm
* Edit openssl-X.X.Xy\ms\nt.mak
** Change /MD to /MT in CFLAGS
* back in the command prompt:
** nmake -f ms\nt.mak
** copy all the ".lib" files from "openssl-X.X.Xy\out32" to "libraries\i686-win32\lib_release"
 
===== cURL =====
* Download & extract the [http://curl.haxx.se/download.html curl source].
* Edit "curl-X.XX.X\lib\Makefile.vc6"
** Change OPENSSL_PATH to ../../../openssl-<version>
** Change the ZLIB_PATH to ../../../zlib-<version>/src
** Change RTLIB to /MT
** Change RTLIBD to /MTd
* Using the command prompt, build the static libraries:
** "C:\Program Files\Microsoft Visual Studio .net 2003\Common7\Tools\vsvars32.bat"
** cd %PATH%\lib\
** nmake /f Makefile.vc6 CFG=release-ssl-zlib
** Copy "curl-X.XX.X\lib\release-ssl-zlib\libcurl.lib" to "libraries\i686-win32\lib_debug"
** Copy "curl-X.XX.X\lib\release-ssl-zlib\libcurl.lib" to "libraries\i686-win32\lib_release"
** Copy all the header files in "curl-X.XX.X\include\curl" to "libraries\include\curl"
 
===== XMLRPC-epi =====
* WE SHOULD SHIP THIS
 
===== Vorbis & Ogg =====
* Download & extract [http://www.xiph.org/downloads/ libvorbis].
* Download & extract [http://www.xiph.org/downloads/ libogg].
* Build & copy libogg first:
** Open "libogg-X.X.X\win32\ogg_static.dsp" in visual studio.
** Build both debug and release solutions.
** Copy "libogg-X.X.X\include\ogg" into "libvorbis-X.X.X\include"
** Copy "libogg-X.X.X\include\ogg\ogg.h" to "libraries\include\ogg"
** Copy "libogg-X.X.X\include\ogg\os_types.h" to "libraries\include\ogg"
** Copy "libogg-X.X.X\win32\Static_Release\ogg_static.lib" to "libraries\i686-win32\lib_release"
** Copy "libogg-X.X.X\win32\Static_Debug\ogg_static_d.lib" to "libraries\i686-win32\lib_debug\ogg_static.lib"
* Build & copy libvorbis:
** Build release & debug "libvorbis-X.X.X\win32\vorbis_static.dsp"
** Build release & debug "libvorbis-X.X.X\win32\vorbisfile_static.dsp"
** Build release & debug "libvorbis-X.X.X\win32\vorbisenc_static.dsp"
** copy "libvorbis-X.X.X\include\vorbis\codec.h" to "libraries\include\vorbis"
** copy "libvorbis-X.X.X\include\vorbis\vorbisfile.h" to "libraries\include\vorbis"
** copy "libvorbis-X.X.X\include\vorbis\vorbisenc.h" to "libraries\include\vorbis"
** copy "libvorbis-1.1.2\win32\Vorbis_Static_Release\vorbis_static.lib" to "libraries\i686-win32\lib_release"
** copy "libvorbis-1.1.2\win32\VorbisEnc_Static_Release\vorbisenc_static.lib" to "libraries\i686-win32\lib_release"
** copy "libvorbis-1.1.2\win32\VorbisFile_Static_Release\vorbisfile_static.lib" to "libraries\i686-win32\lib_release"
** copy "libvorbis-1.1.2\win32\Vorbis_Static_Debug\vorbis_static_d.lib" to "libraries\i686-win32\lib_debug\vorbis_static.lib"
** copy "libvorbis-1.1.2\win32\VorbisEnc_Static_Debug\vorbisenc_static_d.lib" to "libraries\i686-win32\lib_debug\vorbisenc_static.lib"
** copy "libvorbis-1.1.2\win32\VorbisFile_Static_Debug\vorbisfile_static_d.lib" to "libraries\i686-win32\lib_debug\vorbisfile_static.lib"
 
===== JPEGlib =====
* Download & extract [http://www.ijg.org/ jpeglib].
* Copy "jpegsr6\jpeg-6b\makefile.vc" to the file "jpegsr6\jpeg-6b\Makefile"
* Copy "jpegsr6\jpeg-6b\jconfig.vc" to "jpegsr6\jpeg-6b\jconfig.h"
* At the command prompt:
** "C:\Program Files\Microsoft Visual Studio .net 2003\Common7\Tools\vsvars32.bat"
** cd %ZLIB_FOLDER%
** nmake -f Makefile
* copy "jconfig.h", "jerror.h", "jmorecfg.h", "jpeglib.h", and "jinclude.h" from * to "libraries\include\jpeglib"
* copy "jpegsr6\jpeg-6b\libjpeg.lib" to "libraries\i686-win32\lib_release"
* copy "jpegsr6\jpeg-6b\libjpeg.lib" to "libraries\i686-win32\lib_debug"
* [[Patch jpeglib]]
* RENAME??
 
===== Fmod =====
* Download & extract [http://www.fmod.org/ifmoddownload.html fmod 3.75 api for win32].
* Copy "fmodapi375win\api\inc\fmod.h" to "libraries\include"
* Copy "fmodapi375win\api\inc\fmod_errors.h" to "libraries\include"
* Copy "fmodapi375win\api\lib\fmodvc.lib" to "libraries\i686-win32\lib_release"
* Copy "fmodapi375win\api\lib\fmodvc.lib" to "libraries\i686-win32\lib_debug"
 
===== MKS =====
* need to seperate this from the build?
 
===== Quicktime =====
* Download & install the [http://developer.apple.com/quicktime/download/ Quicktime SDK for Windows]
* Copy "QuicktimeSDK\Libraries\QTMLClient.lib" to "\libraries\i686-win32\lib_release".
* Copy "QuicktimeSDK\Libraries\QTMLClient.lib" to "\libraries\i686-win32\lib_debug".
* Copy the contents of "QuicktimeSDK\CIncludes" into "\libraries\include\quicktime".
 
===== OpenJPEG =====
* Download and extract [http://www.openjpeg.org/index.php?menu=download openjpeg for win32].
* Copy "openjpeg10_win32\openjpeg.h" to ""\libraries\include\openjpeg"
* Copy "openjpeg10_win32\LibOpenJPEG.lib" to "\libraries\i686-win32\lib_release".
* Copy "openjpeg10_win32\LibOpenJPEG.lib" to "\libraries\i686-win32\lib_debug".
* might need to compile by hand
 
===== TUT =====
* Download and extract [http://tut-framework.sourceforge.net/download/ tut]
* Copy "tut.h", "tut_reporter.h", and "tut_restartable.h" to "libraries\include\tut"
* Errors in test?
 
===== Mozilla =====
* We need to ship llmozlib.h and llmozlib.lib
* Is there an easier way to get the .dll's then building mozilla?
 
=== MacOS ===
==== Development Environment ====
We use XCode 2.3 for building on Macintosh computers. For simplicity, we suggest installing everything from the mpkg.
 
==== Installing Libraries ====
We recommend creating a separate third party library directory named 'lindenlib' on the same level as the 'linden' tree in your directory structure. Download, unpack, and build from there and copy the files specified to their final location.
 
Most of the libs built here are architecture specific, so these instructions will refer to <em>$PLATFORM</em> to denote that. You can set an environment variable to make it so copy & paste from these instructions will work:
<pre>
$ PLATFORM=`uname -p`-darwin
</pre>
===== Boost =====
Download & extract [http://sourceforge.net/project/showfiles.php?group_id=7586&package_id=8041 Boost] source.
The viewer does not link to the boost libraries, so much of this is not necessary. You can simply copy the header files if you have problems getting the boost package to build.
====== Copy the Headers ======
<pre>
$ cp -r lindenlib/boost-1.33.0/boost linden/libraries/include/boost
</pre>
====== Build Boost.Jam ======
<pre>
$ cd boost-1.33.0/tools/build/jam_src
$ ./build.sh
$ cp bin.macosxppc/bjam ../../..
</pre>
====== Build Boost ======
<pre>
$ cd boost-1.33.0/libs
$ export PYTHON_ROOT=/System/Library/Frameworks/Python.framework/Versions/2.3/
$ export PYTHON_VERSION=2.3
$ ./bjam stage
</pre>
====== Copy the Libraries ======
Assuming you are running on a powerpc mac, this will work. If you are working from an intel mac, replace PLATFORM with 'i386-darwin'.
<pre>
$ cd boost-1.33.0
$ export PLATFORM=powerpc-darwin
$ cp src/stage/lib/libboost_python-gcc.a \
libraries/$PLATFORM/lib_release
$ cp src/stage/lib/libboost_python-gcc-d.a \
libraries/$PLATFORM/lib_debug/libboost_python-gcc.a
$ cp src/stage/lib/libboost_python-gcc-mt.a \
libraries/$PLATFORM/lib_release
$ cp src/stage/lib/libboost_python-gcc-mt-d.a \
libraries/$PLATFORM/lib_debug/libboost_python-gcc-mt.a
$ cp src/stage/lib/libboost_regex-gcc.a \
libraries/$PLATFORM/lib_release
$ cp src/stage/lib/libboost_regex-gcc-d.a \
libraries/$PLATFORM/lib_debug/libboost_regex-gcc.a
$ cp src/stage/lib/libboost_regex-gcc-mt.a \
libraries/$PLATFORM/lib_release
$ cp src/stage/lib/libboost_regex-gcc-mt-d.a \
libraries/$PLATFORM/lib_debug/libboost_regex-gcc-mt.a
</pre>
 
===== Apache Portable Runtime =====
* Download & extract [http://apr.apache.org/download.cgi apr and apr-util].
* Build and install the headers and lib files using a terminal.
<pre>
$ cd lindenlib/apr-1.2.8
$ ./configure --disable-shared --disable-lfs --prefix=/tmp/apr
$ make
$ make install
$ cd ../..
$ cp -pR /tmp/apr/include/apr-1 linden/libraries/$PLATFORM/include
$ cp /tmp/apr/lib/libapr-1.a linden/libraries/$PLATFORM/lib_release
$ cp /tmp/apr/lib/libapr-1.a linden/libraries/$PLATFORM/lib_debug
 
$ cd lindenlib/apr-util-1.2.8
$ ./configure --disable-shared --disable-lfs --with-apr=/tmp/apr --prefix=/tmp/apr-util
$ make
$ make install
$ cd ../..
$ cp -pR /tmp/apr-util/include/apr-1 linden/libraries/$PLATFORM/include
$ cp /tmp/apr-util/lib/*.a linden/libraries/$PLATFORM/lib_release
$ cp /tmp/apr-util/lib/*.a linden/libraries/$PLATFORM/lib_debug
</pre>
 
===== Expat =====
Download and run Expat Win32 Binary
copy "Expat-X.X.X\Source\lib\expat.h" to "libraries\include\expat\".
copy "Expat-X.X.X\Source\lib\expat_external.h" to "libraries\include\expat\".
copy "Expat-X.X.X\StaticLibs\libexpatMT.lib" to "libraries\i686-win32\lib_release\".
copy "Expat-X.X.X\StaticLibs\libexpatMT.lib" to "libraries\i686-win32\lib_debug\".
 
===== Freetype =====
* Download and extract [http://freetype.sourceforge.net/download.html#stable FreeType].
* Build and install the FreeType library:
<pre>
$ cd freetype-2.2.1
$ ./configure --prefix=/tmp/freetype
$ make
$ make install
$ cd ../..
$ cp -pR /tmp/freetype/include/freetype2/freetype linden/libraries/include
$ cp -p /tmp/freetype/lib/libfreetype.a linden/libraries/$PLATFORM/lib_release
$ cp -p /tmp/freetype/lib/libfreetype.a linden/libraries/$PLATFORM/lib_debug
</pre>
 
===== OpenGL Extensions =====
* Download [http://oss.sgi.com/projects/ogl-sample/sdk.html glext.h, glxext.h, and wglext.h]
* Copy them to linden/libraries/include/GL
 
===== XMLRPC-epi =====
* Download a source package for [http://xmlrpc-epi.sourceforge.net/ xmlrpc-epi].
* Apply patch 1 and 2 from the instructions in [[patch xmlrpc-epi]].
* Configure the project:
<pre>
cd xmlrpc-epi-0.51
./configure --disable-shared --prefix=/tmp/xmlrpc-epi
</pre>
* Apply patch 3 from the instructions in [[patch xmlrpc-epi]].
* Finish the removal of expat, build, and install
<pre>
rm -rf expat
mkdir expat
cp /tmp/expat/include/* expat
make
make install
cOSX10.4u.sdk
Then, copy the headers and libs into the branch where you need 'em
$ cp /tmp/xmlrpc-epi/include -> linden/include/xmlrpc-epi
$ cp /tmp/xmlrpc-epi/lib/libxmlrpc.a -> linden/<platform>/lib_release
$ cp /tmp/xmlrpc-epi/lib/libxmlrpc.a -> linden/<platform>/lib_debug
</pre>
 
===== Vorbis & Ogg =====
* Download & extract [http://www.xiph.org/downloads/ libvorbis].
* Download & extract [http://www.xiph.org/downloads/ libogg].
* Build & copy libogg first:
 
===== Fmod =====
* Download & extract [http://www.fmod.org/ifmoddownload.html fmod 3.75 api for win32].
* Copy "fmodapi375win\api\inc\fmod.h" to "libraries\include"
* Copy "fmodapi375win\api\inc\fmod_errors.h" to "libraries\include"
* Copy "fmodapi375win\api\lib\fmodvc.lib" to "libraries\i686-win32\lib_release"
* Copy "fmodapi375win\api\lib\fmodvc.lib" to "libraries\i686-win32\lib_debug"
 
===== OpenJPEG =====
* Download and extract [http://www.openjpeg.org/index.php?menu=download openjpeg for win32].
* Copy "openjpeg10_win32\openjpeg.h" to ""\libraries\include\openjpeg"
* Copy "openjpeg10_win32\LibOpenJPEG.lib" to "\libraries\i686-win32\lib_release".
* Copy "openjpeg10_win32\LibOpenJPEG.lib" to "\libraries\i686-win32\lib_debug".
 
===== TUT =====
* Download and extract [http://tut-framework.sourceforge.net/download/ tut]
* Copy "tut.h", "tut_reporter.h", and "tut_restartable.h" to "libraries\include\tut"
 
===== Mozilla =====
* looks like these were written by us
* Download and extract [ftp://ftp.mozilla.org/pub/mozilla.org/mozilla/libraries/win32/ static]?
* uh oh
 
== Platform notes ==
 
=== Linux ===
 
==== Ubuntu build notes ====
 
Ubuntu 5.10 and higher uses a newer version of libc6 with a bug fix that breaks our codebase.
If you see errors of the form:
<code>
    obj_dat.c:(.text+0x857): undefined reference to `__ctype_b'
</code>
...when you try to build our codebase then you need to enable the CTYPE_WORKAROUND.  If you use 'make' or 'dmake', add the
following lines to your ~/.bashrc file:
<code>
    export SIMULATOR_CPPFLAGS="-DCTYPE_WORKAROUND"
    export RPCSERVER_CPPFLAGS="-DCTYPE_WORKAROUND"
    export DATASERVER_CPPFLAGS="-DCTYPE_WORKAROUND"
    export USERSERVER_CPPFLAGS="-DCTYPE_WORKAROUND"
    export TEST_CPPFLAGS="-DCTYPE_WORKAROUND"
</code>
If you use 'scons', add the follow line to your ~/.bashrc file:
<code>
    export SERVER_CPPFLAGS="-DCTYPE_WORKAROUND"
</code>
Source your ~/.bashrc, or open a new terminal, and build again.
 
===== Freetype =====
* Download and run [http://gnuwin32.sourceforge.net/packages/freetype.htm FreeType for Windows].
* copy the contents of "GnuWin32\include\freetype2\freetype" into "\libraries\include\freetype"
 
===== gl =====
* Download [http://oss.sgi.com/projects/ogl-sample/sdk.html glext.h, glxext.h, and wglext.h]
* Copy them to "libraries\i686-win32\include\GL"
* WE PACK THE REST
 
===== XMLRPC-epi =====
* WE SHOULD SHIP THIS
 
===== Vorbis & Ogg =====
* Download & extract [http://www.xiph.org/downloads/ libvorbis].
* Download & extract [http://www.xiph.org/downloads/ libogg].
* Build & copy libogg first:
 
===== Fmod =====
* Download & extract [http://www.fmod.org/ifmoddownload.html fmod 3.75 api for win32].
* Copy "fmodapi375win\api\inc\fmod.h" to "libraries\include"
* Copy "fmodapi375win\api\inc\fmod_errors.h" to "libraries\include"
* Copy "fmodapi375win\api\lib\fmodvc.lib" to "libraries\i686-win32\lib_release"
* Copy "fmodapi375win\api\lib\fmodvc.lib" to "libraries\i686-win32\lib_debug"
 
===== OpenJPEG =====
* Download and extract [http://www.openjpeg.org/index.php?menu=download openjpeg for win32].
* Copy "openjpeg10_win32\openjpeg.h" to ""\libraries\include\openjpeg"
* Copy "openjpeg10_win32\LibOpenJPEG.lib" to "\libraries\i686-win32\lib_release".
* Copy "openjpeg10_win32\LibOpenJPEG.lib" to "\libraries\i686-win32\lib_debug".
 
===== TUT =====
* Download and extract [http://tut-framework.sourceforge.net/download/ tut]
* Copy "tut.h", "tut_reporter.h", and "tut_restartable.h" to "libraries\include\tut"
 
===== Mozilla =====
* looks like these were written by us
* Download and extract [ftp://ftp.mozilla.org/pub/mozilla.org/mozilla/libraries/win32/ static]?
* uh oh
 
== Platform notes ==
 
=== Linux ===
 
==== Ubuntu build notes ====
 
Ubuntu 5.10 and higher uses a newer version of libc6 with a bug fix that breaks our codebase.
If you see errors of the form:
<code>
    obj_dat.c:(.text+0x857): undefined reference to `__ctype_b'
</code>
...when you try to build our codebase then you need to enable the CTYPE_WORKAROUND.  If you use 'make' or 'dmake', add the
following lines to your ~/.bashrc file:
<code>
    export SIMULATOR_CPPFLAGS="-DCTYPE_WORKAROUND"
    export RPCSERVER_CPPFLAGS="-DCTYPE_WORKAROUND"
    export DATASERVER_CPPFLAGS="-DCTYPE_WORKAROUND"
    export USERSERVER_CPPFLAGS="-DCTYPE_WORKAROUND"
    export TEST_CPPFLAGS="-DCTYPE_WORKAROUND"
</code>
If you use 'scons', add the follow line to your ~/.bashrc file:
<code>
    export SERVER_CPPFLAGS="-DCTYPE_WORKAROUND"
</code>
Source your ~/.bashrc, or open a new terminal, and build again.
 
===== Vorbis & Ogg =====
* Download & extract [http://www.xiph.org/downloads/ libvorbis].
* Download & extract [http://www.xiph.org/downloads/ libogg].
* Build & copy libogg first:
 
===== Fmod =====
* Download & extract [http://www.fmod.org/ifmoddownload.html fmod 3.75 api for win32].
* Copy "fmodapi375win\api\inc\fmod.h" to "libraries\include"
* Copy "fmodapi375win\api\inc\fmod_errors.h" to "libraries\include"
* Copy "fmodapi375win\api\lib\fmodvc.lib" to "libraries\i686-win32\lib_release"
* Copy "fmodapi375win\api\lib\fmodvc.lib" to "libraries\i686-win32\lib_debug"
 
===== OpenJPEG =====
* Download and extract [http://www.openjpeg.org/index.php?menu=download openjpeg for win32].
* Copy "openjpeg10_win32\openjpeg.h" to ""\libraries\include\openjpeg"
* Copy "openjpeg10_win32\LibOpenJPEG.lib" to "\libraries\i686-win32\lib_release".
* Copy "openjpeg10_win32\LibOpenJPEG.lib" to "\libraries\i686-win32\lib_debug".
 
===== TUT =====
* Download and extract [http://tut-framework.sourceforge.net/download/ tut]
* Copy "tut.h", "tut_reporter.h", and "tut_restartable.h" to "libraries\include\tut"
 
===== Mozilla =====
* looks like these were written by us
* Download and extract [ftp://ftp.mozilla.org/pub/mozilla.org/mozilla/libraries/win32/ static]?
* uh oh
 
== Platform notes ==
 
=== Linux ===
 
==== Ubuntu build notes ====
 
Ubuntu 5.10 and higher uses a newer version of libc6 with a bug fix that breaks our codebase.
If you see errors of the form:
<code>
    obj_dat.c:(.text+0x857): undefined reference to `__ctype_b'
</code>
...when you try to build our codebase then you need to enable the CTYPE_WORKAROUND.  If you use 'make' or 'dmake', add the
following lines to your ~/.bashrc file:
<code>
    export SIMULATOR_CPPFLAGS="-DCTYPE_WORKAROUND"
    export RPCSERVER_CPPFLAGS="-DCTYPE_WORKAROUND"
    export DATASERVER_CPPFLAGS="-DCTYPE_WORKAROUND"
    export USERSERVER_CPPFLAGS="-DCTYPE_WORKAROUND"
    export TEST_CPPFLAGS="-DCTYPE_WORKAROUND"
</code>
If you use 'scons', add the follow line to your ~/.bashrc file:
<code>
    export SERVER_CPPFLAGS="-DCTYPE_WORKAROUND"
</code>
Source your ~/.bashrc, or open a new terminal, and build again.
 
===== Freetype =====
* Download and run [http://gnuwin32.sourceforge.net/packages/freetype.htm FreeType for Windows].
* copy the contents of "GnuWin32\include\freetype2\freetype" into "\libraries\include\freetype"
 
===== gl =====
* Download [http://oss.sgi.com/projects/ogl-sample/sdk.html glext.h, glxext.h, and wglext.h]
* Copy them to "libraries\i686-win32\include\GL"
* WE PACK THE REST
 
===== XMLRPC-epi =====
* WE SHOULD SHIP THIS
 
===== Vorbis & Ogg =====
* Download & extract [http://www.xiph.org/downloads/ libvorbis].
* Download & extract [http://www.xiph.org/downloads/ libogg].
* Build & copy libogg first:
 
===== Fmod =====
* Download & extract [http://www.fmod.org/ifmoddownload.html fmod 3.75 api for win32].
* Copy "fmodapi375win\api\inc\fmod.h" to "libraries\include"
* Copy "fmodapi375win\api\inc\fmod_errors.h" to "libraries\include"
* Copy "fmodapi375win\api\lib\fmodvc.lib" to "libraries\i686-win32\lib_release"
* Copy "fmodapi375win\api\lib\fmodvc.lib" to "libraries\i686-win32\lib_debug"
 
===== OpenJPEG =====
* Download and extract [http://www.openjpeg.org/index.php?menu=download openjpeg for win32].
* Copy "openjpeg10_win32\openjpeg.h" to ""\libraries\include\openjpeg"
* Copy "openjpeg10_win32\LibOpenJPEG.lib" to "\libraries\i686-win32\lib_release".
* Copy "openjpeg10_win32\LibOpenJPEG.lib" to "\libraries\i686-win32\lib_debug".
 
===== TUT =====
* Download and extract [http://tut-framework.sourceforge.net/download/ tut]
* Copy "tut.h", "tut_reporter.h", and "tut_restartable.h" to "libraries\include\tut"
 
===== Mozilla =====
* looks like these were written by us
* Download and extract [ftp://ftp.mozilla.org/pub/mozilla.org/mozilla/libraries/win32/ static]?
* uh oh
 
== Platform notes ==
 
=== Linux ===
 
==== Ubuntu build notes ====
 
Ubuntu 5.10 and higher uses a newer version of libc6 with a bug fix that breaks our codebase.
If you see errors of the form:
<code>
    obj_dat.c:(.text+0x857): undefined reference to `__ctype_b'
</code>
...when you try to build our codebase then you need to enable the CTYPE_WORKAROUND.  If you use 'make' or 'dmake', add the
following lines to your ~/.bashrc file:
<code>
    export SIMULATOR_CPPFLAGS="-DCTYPE_WORKAROUND"
    export RPCSERVER_CPPFLAGS="-DCTYPE_WORKAROUND"
    export DATASERVER_CPPFLAGS="-DCTYPE_WORKAROUND"
    export USERSERVER_CPPFLAGS="-DCTYPE_WORKAROUND"
    export TEST_CPPFLAGS="-DCTYPE_WORKAROUND"
</code>
If you use 'scons', add the follow line to your ~/.bashrc file:
<code>
    export SERVER_CPPFLAGS="-DCTYPE_WORKAROUND"
</code>
Source your ~/.bashrc, or open a new terminal, and build again.

Latest revision as of 14:40, 17 November 2022

This information is for people who want to work with the source code for the viewer.

Open Source Viewer

Viewer code is hosted by GitHub using git.

Other repositories where development for future features can be seen are listed on the Release Notes Repositories page. If you have not worked with GitHub or distributed version control you may be interested in GitHub's introductory material.

Checking out Code

To clone the current release repository:

git clone https://github.com/secondlife/viewer.git

Compiling

Per platform instructions are available in these topics:

Notes

Autobuild

Autobuild is the new Linden Lab framework to maintain and build everything, from viewer to 3rd party libraries.

Instructions:

Channels and Versions

Channels are just groupings of versions. Linden Lab uses channels to track and supply updates for Project, Beta, and Release Viewers separately.

On login, the combination of channel plus version is checked against a set of rules in the Viewer Version Management service. Within each channel, some versions are allowed and some are blocked. Viewers are blocked if they are too old, are unsafe (security issues), incompatible (the protocol has been changed in some fundamental way), or are a test version and Linden Lab only wants data from the most recent. See Viewer Integration and Release Processes for an explanation of how different versions are managed by Linden Lab.

If you are building a viewer, the Policy on Third Party Viewers requires that you set your own channel name.

See:

Channel and Version Requirements
a detailed explanation and official policy on channels and versions in Second Life, and an explanation of how to set your channel name when building.