Get source and compile

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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.

Getting the source

The Second Life source code can be downloaded from our Subversion repository at 

https://www.lindenlab.dreamhosters.com/svn/linden/release/

You can download the files using your web browser, but it is recommended that you use a Subversion Client You can download a command line client for most operating systems at the Subversion web site. If you are more comfortable with Graphical interfaces, you can also use TortoiseSVN, or RapidSVN


Get a Subversion account from Rob Linden and check out using the following command 

svn co https://www.lindenlab.dreamhosters.com/svn/linden/release/


To understand what you are looking at after you check out the code, see viewer source.

Setting up the development environment w/libraries

Windows

Development Environment

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.

  • Visual Studio .NET 2003 Professional
    • Microsoft Platform SDK
    • NEED NEWER DIRECTX 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.
  • ActivePython 2.3x
  • ActivePerl
  • Cygwin
    • When you run the cygwin setup utility make sure you have selected to install patchutil, flex, and bison (all located under "devel").

Libraries

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.

  • DLLs
    • libcurl.dll
    • xul.dll - build moz?
    • js3250.dll
    • nspr4.dll
    • plc4.dll
    • plds4.dll
    • those are all the moz
    • fmod.dll
    • freetype6.dll
    • zlib1.dll


Boost
  • Download & extract Boost source for win32.
  • Copy the "boost_X_XX_X\boost" folder to "libraries\include\".
  • 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
  • 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\".
  • CHANGE NAME?
ZLib
  • Download & extract 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
  • Change Multi-threading!!!!
  • Take out XML dependancies, move expat headers!!!!
  • Download & extract 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.dsw" workspace in VS2003.
  • 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 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
cURL
  • Download & extract the curl source.
  • Open "curl-X.XX.X\lib\curlib.dsp" in Visual Studio, and build both release and debug solutions
  • Copy "curl-X.XX.X\lib\Debug\libcurl.lib" to "libraries\i686-win32\lib_debug"
  • Copy "curl-X.XX.X\lib\Release\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 libvorbis.
  • Download & extract 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 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 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 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 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 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 static?
  • uh oh
OpenSSL
  • Download and extract

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.

Boost

Download & extract 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
$ cp -r lindenlib/boost-1.33.0/boost linden/libraries/include/boost
Build Boost.Jam
$ cd boost-1.33.0/tools/build/jam_src
$ ./build.sh
$ cp bin.macosxppc/bjam ../../..
Build Boost
$ cd boost-1.33.0/libs
$ export PYTHON_ROOT=/System/Library/Frameworks/Python.framework/Versions/2.3/
$ export PYTHON_VERSION=2.3
$ ./bjam stage
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'. 

$ 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/$PLATFORM/lib_debug/libboost_regex-gcc-mt.a
Apache Portable Runtime
  • Download & extract apr and apr-util.
  • Build and install the headers and lib files using a terminal.
cd lindenlib/apr-1.2.8
./configure --disable-shared --disable-lfs --prefix=/tmp/apr
make
make install
cd ../..
PLATFORM=`uname -p`-darwin
cp -pR /tmp/apr/include/apr-1 linden/libraries/$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
Freetype
  • Download and run FreeType for Windows.
  • copy the contents of "GnuWin32\include\freetype2\freetype" into "\libraries\include\freetype"
gl
XMLRPC-epi
  • WE SHOULD SHIP THIS
Vorbis & Ogg
  • Download & extract libvorbis.
  • Download & extract libogg.
  • Build & copy libogg first:
Fmod
  • Download & extract 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 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 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 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: 

   obj_dat.c:(.text+0x857): undefined reference to `__ctype_b'

...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: 

   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"

If you use 'scons', add the follow line to your ~/.bashrc file: 

   export SERVER_CPPFLAGS="-DCTYPE_WORKAROUND"

Source your ~/.bashrc, or open a new terminal, and build again.

Freetype
  • Download and run FreeType for Windows.
  • copy the contents of "GnuWin32\include\freetype2\freetype" into "\libraries\include\freetype"
gl
XMLRPC-epi
  • WE SHOULD SHIP THIS
Vorbis & Ogg
  • Download & extract libvorbis.
  • Download & extract libogg.
  • Build & copy libogg first:
Fmod
  • Download & extract 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 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 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 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: 

   obj_dat.c:(.text+0x857): undefined reference to `__ctype_b'

...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: 

   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"

If you use 'scons', add the follow line to your ~/.bashrc file: 

   export SERVER_CPPFLAGS="-DCTYPE_WORKAROUND"

Source your ~/.bashrc, or open a new terminal, and build again.

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