Editing Building from SVN

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*****  BRL-CAD Recently moved from SVN to Github. Building from SVN works as of 3 Jul 2021, but you may need to build from Github in the future. ***
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== Obtain the sources via Subversion ==
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For Linux/Mac/BSD:
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<pre>svn checkout https://svn.code.sf.net/p/brlcad/code/brlcad/trunk brlcad</pre>
  
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== Obtain the sources via Subversion ==
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Note: If you do not yet have an SVN client installed, go to http://subversion.tigris.org for information on obtaining an appropriate SVN client for your platform. Most modern Linux/BSD/UNIX distributions will also have SVN available in their package repositories.
  
 
For Windows:
 
For Windows:
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To get a checkout after installing TortoiseSVN, right-click in a folder where you want to download the sources, select SVN Checkout and specify https://svn.code.sf.net/p/brlcad/code/brlcad/trunk for the repository URL.
 
To get a checkout after installing TortoiseSVN, right-click in a folder where you want to download the sources, select SVN Checkout and specify https://svn.code.sf.net/p/brlcad/code/brlcad/trunk for the repository URL.
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For Linux/Mac/BSD:
 
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<pre>svn checkout https://svn.code.sf.net/p/brlcad/code/brlcad/trunk brlcad</pre>
 
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Note: If you do not yet have an SVN client installed, go to http://subversion.tigris.org for information on obtaining an appropriate SVN client for your platform. Most modern Linux/BSD/UNIX distributions will also have SVN available in their package repositories.
 
  
 
== Configure the build system with CMake ==  
 
== Configure the build system with CMake ==  
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Once installed, create a directory where you will compile BRL-CAD and run CMake.
 
Once installed, create a directory where you will compile BRL-CAD and run CMake.
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For Windows, you can use the CMake GUI where you specify build and source directories:[[File:Running_cmake_on_windows.png|200px|thumb|right|Running CMake GUI on Windows]]
 
  
 
For Linux/Mac/BSD, this looks like:
 
For Linux/Mac/BSD, this looks like:
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  cmake .. (for a default build)
 
  cmake .. (for a default build)
 
  cmake .. -DBRLCAD_BUNDLED_LIBS=ON -DCMAKE_BUILD_TYPE=Release (for a release build)
 
  cmake .. -DBRLCAD_BUNDLED_LIBS=ON -DCMAKE_BUILD_TYPE=Release (for a release build)
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For Windows, you can use the CMake GUI where you specify build and source directories:[[File:Running_cmake_on_windows.png|200px|thumb|right|Running CMake GUI on Windows]]
  
 
== Compile and test your build ==
 
== Compile and test your build ==
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On Windows, simply open the "BRLCAD" solution and Compile.
 
  
 
On Linux/Mac/BSD, run this in your build directory:
 
On Linux/Mac/BSD, run this in your build directory:
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  make
 
  make
  
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If there are no compilation errors, you can test via:
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At this point, you should have a fully installed and working system. You can test things by doing:
  
 
  make test
 
  make test
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You can also run a performance test:
 
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  make benchmark
 
  make benchmark
  
 
Both the test and benchmark should report successfully if everything is working correctly. Report any failures to the BRL-CAD [http://sourceforge.net/tracker/?group_id=105292&atid=640802 bug tracker].
 
Both the test and benchmark should report successfully if everything is working correctly. Report any failures to the BRL-CAD [http://sourceforge.net/tracker/?group_id=105292&atid=640802 bug tracker].
  
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On Windows, open the BRLCAD solution and Compile.
  
 
== Doxygen (OPTIONAL) ==
 
== Doxygen (OPTIONAL) ==
 
If you have doxygen installed somewhere CMake can find it, then you can build a browsable HTML documentation of the source code.  This is useful if you want to use BRL-CAD's libraries directly, or if you just want a better overview of how things are structured.
 
If you have doxygen installed somewhere CMake can find it, then you can build a browsable HTML documentation of the source code.  This is useful if you want to use BRL-CAD's libraries directly, or if you just want a better overview of how things are structured.
  
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To build the HTML files on a Linux/Mac/BSD system, run (from your build directory):
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To build the HTML files on a UNIX system, run (from your build directory)
  
 
  make dox
 
  make dox
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and then open doc/doxygen_output/html/index.xhtml with your web browser of choice.
 
and then open doc/doxygen_output/html/index.xhtml with your web browser of choice.
  
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== Install (OPTIONAL) ==
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== Install ==
  
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On all systems, you can simply run directly from the build directory without installing.
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On Linux/Mac/BSD, run this in your build directory:
  
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That said, by default BRL-CAD installs into /usr/brlcad or /opt/brlcad on Linux/Mac/BSD and into the standard program directory on Windows. To check your build or install of BRL-CAD, browse to the "bin" directory from the GUI or from cmd.exe and run "mged".
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  make install
  
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== Setup environment (OPTIONAL) ==
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If you created a prefix as described above for multiple versions or multiple architectures, you should now create your symbolic links for user convenience and consistency. Example where /usr/brlcad/rel-7.8.0/mips32 was used as the install_dir prefix:
  
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At this point, all that remains is setting your system PATH environment variable so BRL-CAD utilities can be found.  Installation does not set PATH for you automatically.
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<pre>% ln -s rel-7.8.0/mips32 /usr/brlcad/stable
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% ln -s stable/bin /usr/brlcad/bin
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% ln -s stable/include /usr/brlcad/include
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% ln -s stable/lib /usr/brlcad/lib
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% ln -s stable/man /usr/brlcad/man
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% ln -s stable/share /usr/brlcad/share
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% ls -l /usr/brlcad
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total 48
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lrwxr-xr-x  1 root  wheel  10 12 Apr 09:00 bin -> stable/bin
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lrwxr-xr-x  1 root  wheel  14 12 Apr 09:00 include -> stable/include
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lrwxr-xr-x  1 root  wheel  10 12 Apr 09:00 lib -> stable/lib
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lrwxr-xr-x  1 root  wheel  10 12 Apr 09:00 man -> stable/man
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drwxr-xr-x  7 root  wheel  238 11 Apr 18:00 rel-7.8.0
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lrwxr-xr-x  1 root  wheel  12 12 Apr 09:00 share -> stable/share
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lrwxr-xr-x  1 root wheel    9 12 Apr 09:00 stable -> rel-7.8.0/mips32</pre>
  
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For Windows, setting PATH can be helpful but isn't necessary.  Simply navigate to where you installed BRL-CAD and run from there.
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''Future versions of BRL-CAD may provide this symbolic link operation for you as a CMake configuration option.''
  
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For Linux/Mac/BSD, you'll either need to specify full paths to applications (e.g., /usr/brlcad/bin/rt) or set your PATH. If the default installation prefix (/usr/brlcad or /opt/brlcad) was used, you should only need to add /usr/brlcad/bin to your PATH in order to find applications (optionally setting MANPATH as well):
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On Windows:
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You can run directly from the build directory.  Browse to the "bin" directory from the GUI or from cmd.exe and run applications (e.g., mged).
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== Setup environment (optional) ==
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At this point, everything should be ready for use. If the default prefix of /usr/brlcad was used or if the corresponding symbolic links were created, users should only need to add /usr/brlcad/bin to their PATH in order to find binaries for the package (optionally setting their MANPATH as well):
  
 
For bash:
 
For bash:
  
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  export PATH="/usr/brlcad/bin:$PATH"
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  export PATH=/usr/brlcad/bin:$PATH
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  export MANPATH="/usr/brlcad/man:$MANPATH"
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  export MANPATH=/usr/brlcad/man:$MANPATH
  
 
For csh/tcsh:
 
For csh/tcsh:
  
 
  set path=( /usr/brlcad/bin $path )
 
  set path=( /usr/brlcad/bin $path )
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  setenv MANPATH "/usr/brlcd/man:$MANPATH"
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  setenv MANPATH /usr/brlcd/man:$MANPATH
 
  rehash
 
  rehash
  
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To find BRL-CAD manual pages without setting your MANPATH, use the provided "brlman" binary instead of "man" (e.g., /usr/brlcad/bin/brlman rt).
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If users do not want to modify their PATH, they can get by providing the full path to the binaries (e.g. /usr/brlcad/bin/mged). To find BRL-CAD manual pages without setting your MANPATH, use the provided "brlman" binary instead of "man".
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== Test installation ==
  
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== Test your Build ==
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If everything went well, there should now be more than 400 command-line applications at your disposal for processing images and geometry. A quick test of functionality (and performance) is to run the BRL-CAD benchmark again, which is installed as the benchmark tool:
  
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If compilation went well, there should now be more than 400 command-line applications at your disposal for processing images and geometry.  You should be able to run the main modeling application:
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benchmark
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Additionally, you can run the MGED solid modeler:
  
 
  mged
 
  mged
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If you didn't install, you may need to specify the path to the tool (e.g., "bin/mged") from the build directory.
 
  
 
[[Category:Documentation]]
 
[[Category:Documentation]]

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