Building

Building from Source

Required libraries

1. cairo
2. Pango
3. Qt 5
4. git
5. Google test
6. Eigen 3
7. Lua >= 5.2 and <= 5.3.5
8. Curl
9. Boost
10. LibDxfRW (building instructions follow)

LibDxfRW

git clone https://github.com/LibreCAD/libdxfrw
cd libdxfrw
mkdir release
cd release
cmake -DCMAKE_BUILD_TYPE=Release -DBUILD_SHARED_LIBS=ON ..
make
sudo make install

LibreCAD

git clone --recursive https://github.com/LibreCAD/LibreCAD_3.git

git submodule init

git submodule update --recursive --remote

mkdir build
cd build
cmake .. (for a release you would use cmake -DCMAKE_BUILD_TYPE=Release ..)
make -j 4
./lcUI/librecad

OSX MacPorts

If you want to fool around with macports use these build instructions

mkdir build
cd build
/opt/local/bin/cmake -DCMAKE_CXX_COMPILER=/opt/local/bin/g++ -DCMAKE_C_COMPILER=/opt/local/bin/gcc ..
make -j 4
./lcUI/librecad

For a release build you would do:

/opt/local/bin/cmake -DCMAKE_BUILD_TYPE=Release -DCMAKE_CXX_COMPILER=/opt/local/bin/g++ -DCMAKE_C_COMPILER=/opt/local/bin/gcc ..

OSX X-Code

If you like X-Code as your editor you can ask cmake to generate the build file for you. mkdir xcode cd build cmake -G Xcode ..

Then open the project in x-code and build. Under some conditions you might want to set a additional search path if libraries are not found, for example if you compile libdxfrw yourself.

When using ports I had to use:

cd /opt/local/include
sudo ln -sf eigen3/Eigen Eigen
sudo ln -sf eigen3/unsupported unsupported

any cmake guru care to comment on this oddity? Is there a way to prevent making that symlink?

Ubuntu/Mint

apt-get install qttools5-dev qttools5-dev-tools libqt5opengl5-dev liblua5.2-dev git g++ gcc-4.8 libcairo2-dev libpango-1.0-0 libpango1.0-dev libboost-all-dev libqt5svg5 libgtest-dev libeigen3-dev libcurl4-gnutls-dev libgtk-3-dev

You need to compile Google Test in /usr/src/gtest/ and move the libraries in /usr/lib/

Ubuntu 14.xx

GCC version from Ubuntu 14 doesn't support C++14. You need to install GCC 4.9. http://askubuntu.com/a/456849

Windows

Note: This process will install Visual Studio then use the folders generated to install Conan and the dependencies requiring manual installation (libdxfrw and Qt - see https://github.com/conan-io/wishlist/issues/124). Change C:\Source\Repos as required.

All command lines are run in a terminal. Navigate to the folder in Explorer, on the address bar enter cmd, run command(s) then close the terminal by entering exit.

Visual Studio

Install Visual Studio Community edition with:

• C++
• CMake for Windows
• Windows SDK

libdxfrw

Start Visual Studio, Clone or checkout code, Repository: https://github.com/LibreCAD/libdxfrw, Local path: C:\Source\Repos, Clone

• Build > Build all
• Build > Install DXFRW

Note the folder where it was installed (eg: C:\Source\Repos\libdxfrw\out\install\x64-Debug)

Clone Librecad_3 repository

Note: Librecad_3 MUST be cloned recursively to pick up linked repositories.

Navigate to the Repos folder as used for libdxfrw [Fairly sure git is installed with Visual Studio].:

git clone --recursive https://github.com/LibreCAD/LibreCAD_3.git

Conan

Conan is a package manager providing C++ dependencies compatible with Windows and Visual Studio which simplifies the compilation process.

Download and install Conan.

Dependencies

Navigate to the LibreCAD_3 repository folder and add the bincrafters repository:

conan remote add bincrafters https://api.bintray.com/conan/bincrafters/public-conan 

Download and install the dependencies. Navigate to the LibreCAD_3 folder, create a conan folder and navigate to it:

conan install ..

Qt

Download and install Qt (open source version) from https://www.qt.io/download. You must select at least one version of Qt for the MSVC compiler and the correct architecture.

Configuration

Set Computer's Environment

Control Panel > System and Security > System > Advanced system settings
Advanced > Environment Variables

Set QT Environment

set QTDIR=C:\Qt\5.14.1\msvc2017_64
set QT_QPA_PLATFORM_PLUGIN_PATH=%QTDIR%\plugins\platforms\

Add to the PATH environment variable folders for Qt bin, libdxfrw and LibreCAD_3 lib:

C:\Qt\5.14.1\msvc2017_64\bin
C:\source\repos\libdxfrw\out\build\x64-Debug
C:\source\repos\LibreCAD_3\out\build\x64-Debug\lib

Visual Studio CMake

Open project in Visual Studio and configure CMake settings under Project > CMake settings

Configuration name: x64-Debug

Configuration type: RelWithDebInfo (Debug won't work as Conan libraries are compiled in release mode.)

CMake command arguments, adapting to your configuration:

-DLIBDXFRW_PATH=C:\Source\Repos\libdxfrw\out\install\x64-Debug 
-DCMAKE_PREFIX_PATH=C:\Qt\5.14.1\msvc2017_64\lib\cmake

When CMake detects Conan it should set GLEW_ROOT.
Run in Visual Studio by clicking green play button.

OpenGL

Some old graphics cards need OpenGL configuration:

Find opengl32sw.dll, copy to C:\source\repos\LibreCAD_3\out\build\x64-Debug\bin and set Environment:

set QT_OPENGL=desktop

Uninstall

The following is required but be careful not to remove if required for other software on your computer:

1. Librecad_3 repository (C:\source\repos\LibreCAD_3)
2. libdxfrw repository and install (C:\source\repos\libdxfrw)
3. conan (C:\Users\User\.conan)
4. python may have been installed to install conan
5. qt
6. Visual Studio
7. environment variables

Manual installation

Dependencies

Boost

Download prebuilt Windows binaries for Boost from: https://sourceforge.net/projects/boost/files/boost-binaries/

Eigen 3

Download Eigen 3 zip archive from https://gitlab.com/libeigen/eigen Unzip it on your disk (C:\local\eigen-3.3.7)

Qt

Download and install Qt (open source version) from https://www.qt.io/download You must select at least one version of Qt for the MSVC compiler and the correct architecture.

Add to the PATH environment variable the Qt bin folder (C:\Qt\5.14.1\msvc2017_64\bin).

Lua

Download Windows binaries (dll15) here: https://sourceforge.net/projects/luabinaries/files/5.3.5/Windows%20Libraries/Dynamic/ Unzip it on your disk (C:\local\lua-5.3.5)

GLEW

Download Windows binaries from glew.sourceforge.net Unzip this archive on your disk (C:\local\glew-2.1.0)

The GLEW_ROOT environment variable (in Windows) should be set to where the archive was extracted, in this case C:\local\glew-2.1.0

Libdxfrw

Clone libdxfrw repository:

git clone https://github.com/LibreCAD/libdxfrw

Open it as a folder in Visual Studio:

• Build all
• Install DXFRW

Note the folder where it was installed (ex: C:\Users\...\libdxfrw\out\install\x64-Debug)

LibreCAD

Open project as folder in Visual Studio

In Project > CMake Settings, set the following CMake options, after adapting the paths to your environment:

-DBoost_ADDITIONAL_VERSIONS=1.71.0 
-DBoost_COMPILER=-vc142 
-DBOOST_LIBRARYDIR=C:\local\boost_1_71_0\lib64-msvc-14.2 
-DEIGEN3_ROOT=C:\local\eigen-3.3.7 
-DLIBDXFRW_PATH=C:\Users\ferag\Workspace\libdxfrw\out\install\x64-Debug 
-DWITH_LIBOPENCAD=OFF
-DGLEW_INCLUDE_DIR=C:\local\glew-2.1.0\include 
-DFREETYPE_LIBRARY=C:\local\freetype-2.10.1\win64\freetype.lib 
-DCMAKE_PREFIX_PATH=C:\Qt\5.13.1\msvc2017_64\lib\cmake 
-DCMAKE_LIBRARY_PATH=C:\Qt\5.13.1\msvc2017_64\lib 
-DWITH_LUACMDINTERFACE=FALSE 
-DWITH_RENDERING_UNITTESTS=OFF 
-DWITH_CAIRO=OFF 
-DOPENGL_INCLUDE_DIR=C:\local\glm-0.9.9.6 
-DWITH_UNITTESTS=OFF

-DBoost options were added because the latest version of Boost wasn't supported by CMake. They may not be necessary anymore.

Add the folders containing the .dll files in your PATH environment variable