Updated Build instructions
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Jan Möbius
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Doc/compiling.docu
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Doc/compiling.docu
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//-----------------------------------------------------------------------------
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/** \page compiling Compiling OpenMesh
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\section compilers Tested compilers
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%OpenMesh has been successfully tested for the following operating
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systems / compilers. This is only a list of tested compilers.
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More might be supported but are not tested. Make sure that your compiler
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supports at least C++11
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<table>
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<tr><td> Linux </td><td>
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gcc >= 4.8.x<br>
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clang >= 3.3<br>
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</td></tr>
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<tr><td> Windows </td><td>
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Microsoft Visual Studio 2013<br>
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Microsoft Visual Studio 2015<br>
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Microsoft Visual Studio 2017<br>
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</td></tr>
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<tr><td> Tested MacOS X Compilers</td>
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<td>
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XCode <br>
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</td></tr>
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</table>
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\section req_libs Required libraries (Only if you want to build the included Apps)
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Install the following external libraries / frameworks if you want to use the included Applications:<br><br>
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<table>
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<tr><td>Qt5</td><td><a href="http://qt-project.org/downloads" target="_blank">https://www.qt.io/download</a></td></tr>
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</table><br>
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\section build_systems Chosing build system
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%OpenMesh can be built using the <b>cmake</b> build system.
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<br>
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<br>
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\section sec_compiling_unix Unix
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\subsection linux_using_cmake Compiling OpenMesh using CMake
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In order to compile %OpenMesh, create a directory named e.g. "build" in
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OpenMesh's root directory. <b>Change to the newly created directory</b> and type
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<br/><br/>
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<tt>
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cmake .. ## Generates the appropriate Makefiles<br>
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make ## Builds the project<br>
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</tt><br>
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\warning If your compiler does not support c++11 natively, you might have to enable it by changing the cmake call to: <br>
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<tt>cmake .. -DCMAKE_CXX_FLAGS=-std=c++98</tt>
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You can choose the build type by using cmake with the flag<br>
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<b>-DCMAKE_BUILD_TYPE=(Debug|Release)</b> The default is: Release <br>
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Other flags are:<br/>
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<b>-DBUILD_APPS=OFF</b> to disable build of applications and<br/>
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<b>-DCMAKE_INSTALL_PREFIX=<path></b> to specify the install path.<br/>
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When calling <b>make install</b> cmake will install %OpenMesh into this
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directory using the subdirectories lib/include/bin.
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CMake builds both shared and static under Linux.
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Everything will then be build in the <b>Build</b> subdirectory containing the libraries in <b>lib</b> and the binaries in <b>bin</b>.
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There are some additional targets:<br>
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<b>doc</b>: Builds the Documentation<br>
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<b>doc-install</b>: Builds the Documentation and installs it<br>
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<br>
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\note When you link against the static libraries of OpenMesh and get the error "can not be used when making a
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shared object; recompile with -fPIC" you need to add "-fPIC" to the CMAKE_CXX_FLAGS. (This is usually added automatically)
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\section sec_compiling_windows Windows
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\subsection windows_using_cmake Compiling OpenMesh using CMake
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Building OpenMesh on Windows requires cmake to generate the project files for Visual Studio.
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<ul>
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<li> Get Visual Studio ( 2013-2017 ) </li>
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<li> Extract %OpenMesh source code. </li>
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<li> Get all required libraries and install them ( including headers! ).</li>
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<li> Download and install cmake: <a href="https://cmake.org/download/">www.cmake.org</a>.<br> </li>
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<li> Start the cmake gui and open the %OpenMesh toplevel directory as source directory </li>
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<li> Choose a build directory (e.g. create a directory called "build" in OpenMesh's root folder) </li>
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<li> Click on configure .... If any libraries are left unconfigured, you can adjust the path manually. Rerun configure until everything is configured correctly. <br>
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Attention: Some build variables are only visible in advanced view mode. Select Visual Studio 9 (2008), Visual Studio 10(2010), Visual Studio 11 (2012), Visual Studio 12 (2013) (Depending on your version) as
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generator. </li>
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<li> Click generate to create the visual studio project files </li>
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<li> You can now find a Visual Studio solution file (OpenMesh.sln) in the <b>build</b> directory you chose in cmake </li>
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<li> Now you can build %OpenMesh from within Visual Studio using the newly created project file. </li>
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</ul>
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<br>
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<br>
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\section sec_compiling_macosx MacOS X
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Download and install required libraries as stated above.
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You can download %OpenMesh's sources from <tt>www.openmesh.org</tt> or check out the latest repository via SVN:<br/>
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<tt>svn co http://www.openmesh.org/svnrepo/OpenMesh/trunk %OpenMesh</tt>.<br/><br/>
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\subsection mac_using_cmake Compiling OpenMesh using CMake
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We recommend you to use CMake >= 3.7 as build system. This can also easily be installed
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via MacPorts as well as the Qt >= 5.6 library which is used for some example applications
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in %OpenMesh.<br/>
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Once installed, change to %OpenMesh's root directory and create a directory
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named e.g. "buildDebug" (assuming you want to build with debug symbols).<br/>
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Then type in the following command to initially set up the build environment:
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<br/><br/>
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<tt>
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cmake .. ## Generates the appropriate Makefiles<br>
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</tt>
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<br/>
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Note: If the build directory is not a subdirectory of %OpenMesh's root folder, replace ".." with %OpenMesh's
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absolute (or relative) path.
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In order to manually set specific build variables, just type:
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<br/><br/>
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<tt>
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ccmake . ## Configure build environment<br>
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</tt>
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<br/>
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This opens the CMake configure tool. Change the CMAKE_BUILD_TYPE variable to "Release" in order to prepare build
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for release configuration. Now, when everything is set up, just type:
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<br/><br/>
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<tt>
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make ## Build %OpenMesh<br>
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</tt>
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<br/>
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And optionally:
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<br/><br/>
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<tt>
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make doc ## Build %OpenMesh's documentation<br>
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</tt>
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<br>
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The mac application bundle will be found under "Build" in the recently created build folder.
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It automatically contains all needed shared objects (libs, fonts, textures, etc.).
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CMake builds both shared and static under MacOS X.
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**/
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//-----------------------------------------------------------------------------
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