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Difference between revisions of "Build from source"

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(Building LibreCAD in Qt-Creator: added note about -j)
m (Updating local source)
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* input: git fetch
 
* input: git fetch
 
* input: git rebase origin/master
 
* input: git rebase origin/master
 
You might need to use: git stash
 
because of custom.pro
 
  
 
=== Qt ===
 
=== Qt ===

Revision as of 01:12, 30 May 2015

Building LibreCAD 2.0 on Linux

Detailed steps can be found at Build in Linux

Installing Linux and building LibreCad on android devices in a Linux chroot environment

Detailed steps are here: [1]

Building LibreCAD 2.0 on Windows

Cloning the source package

To clone LibreCAD source code by command line:

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

On Windows, you may alternatively:

  • download and install msysgit
  • press the windows-key and then type git
  • select "Git GUI"
  • after the program loads select "Clone existing repository"
    • enter source location: git://github.com/LibreCAD/LibreCAD.git
    • enter target directory: where you want the project on your hard drive
  • press clone and then wait for it to download

Updating local source

  • press the windows-key and then type git
  • select "Git Bash"
  • input: cd /c/your_project_folder
  • input: git fetch
  • input: git rebase origin/master

Qt

Download Qt from : Qt download. Offline installer with MinGW is recommended instead of the Windows online installer. Qt-5.4.1 for Windows 32 bit (MinGW 4.9.1) is used as an example in this article.

Install Qt (including Qt-Creator) to C:\Qt\5.4\ (the default path prompted by Qt installer). The MinGW tools will be in C:\Qt\5.4\mingw491_32\bin by default.

muParser

On Windows, muParser is not required to build LibreCAD since LibreCAD-2.0.4, because LibreCAD uses by default a patched version of muParser included within LibreCAD source.

Custom files

If you are planning to contribute, don't edit the librecad.pro, build-windows.bat and nsis-5.4.nsi files to fit your local settings. This would result in changes for git you have to care about in each commit, pull and push. Instead create the files custom.pro, custom-windows.bat and custom.nsh, which are ignored by git, and set your local settings there.

boost and custom.pro

Introduction for boost can be found here boost introduction.

Download boost 1.53 from: boost download. Do not try version 1.54, 1.55 or 1.56 (there are compilation errors as of 12 Oct 2014).

unzip the boost files to the directory: C:\boost\ , and for the version boost-1.53.0, the boost files will be located in C:\boost\boost_1_53_0\ .

Verify that you have the file C:\boost\boost_1_53_0\booststrap.bat. You don't have to build boost in order to build LibreCAD, as LibreCAD uses header only part of boost currently.

within the LibreCAD source folder, edit the custom.pro file accordingly,

   BOOST_DIR = C:/boost/boost_1_53_0/
   BOOST_LIBDIR = C:/boost/boost_1_53_0/

custom-windows.bat

A command line building script file is added as scripts/build-windows.bat. To be able to use this batch file, you need to have your Qt and NSIS directories set up first. Default values for Qt_Dir, MINGW_VER and NSIS_DIR are set in file scripts/set-windows-env.bat:

   set Qt_DIR=C:\Qt\Qt5.3.2\5.3
   set NSIS_DIR=C:\Program Files (x86)\NSIS
   set MINGW_VER=mingw482_32

To change these default settings you have to create the file scripts/custom-windows.bat and overwrite the different settings without effect to the SCM (git).
Example for scripts/custom-windows.bat:

   set Qt_DIR=C:\Qt\5.4
   set NSIS_DIR=C:\PROGRA~2\NSIS
   set MINGW_VER=mingw491_32

There are issues with the NSIS_DIR path on 64 Bit Windows. When NSIS is installed in the Program Files (x86) folder and NSIS_DIR is added to the PATH, something goes wrong in the build process.
In this case use the command dir /X \ and get an output like this:

   09/02/2014  09:50 PM    <DIR>          PROGRA~1     Program Files
   10/27/2014  12:33 PM    <DIR>          PROGRA~2     Program Files (x86)
   08/16/2014  10:49 PM    <DIR>                       Qt

You need the short name of the Program Files (x86) folder. With that information set NSIS_DIR like following in scripts/custom-windows.bat to avoid the issues:

   set NSIS_DIR=C:\PROGRA~2\NSIS

custom.nsh

By default, LibreCAD uses NSIS to generate installers in Windows.

If you would like to build an installer for Windows, you will need the tool. You can use the lastest NSIS version.

You need to setup your Qt_Dir, Mingw_Ver and Qt_Version in the scripts\postprocess-windows\custom.nsh file if they don't match the default settings in scripts\postprocess-windows\nsis-5.4.nsi.
Example for scripts\postprocess-windows\custom.nsh:

   !define Qt_Dir "C:\Qt"
   !define Qt_Version "5.4"
   !define Mingw_Ver "mingw491_32"

These settings indicate Qt-5.4 is installed at C:\Qt\5.4 and it comes with Qt-Creator in C:\Qt\Tools\QtCreator and qmake.exe in C:\Qt\5.4\mingw491_32\bin

If you use an other Qt Version, e.g. Qt 5.4, where the master branch default is Qt 5.3.x, you have to use scripts\postprocess-windows\nsis-5.4.nsi for building the installer package.
Then you have to add this line to scripts/custom-windows.bat:

   set LC_NSIS_FILE=nsis-5.4.nsi

This line tells the build-win-setup.bat script to use nsis-5.4.nsi instead of nsis-5.3.nsi, which is currently default setting on master branch.

Building Windows installer

  • press the windows-key and type qt
  • select Qt 5.4 for desktop
  • input: cd "C:\librecad\scripts" (or where ever your local source is)
  • input: build-windows.bat

The last step of build-windows.bat is calling NSIS to create the LibreCAD-Installer.exe.
If everything was OK, the installer (LibreCAD-installer.exe) can be found in the generated folder within LibreCAD source folder.

(When LibreCAD Release version was built from Qt Creator, use build-win-setup.bat to create the windows installer.)

Building LibreCAD in Qt-Creator

Launch Qt-Creator and open the librecad.pro project file within the LibreCAD source folder. Accept Qt path detected by Qt-Creator by clicking "Configure Project" button, if the project is not configured yet.

Take care about the Shadow build option in Debug and Release configuration. Disable this option in both configurations and save the project.

Select librecad as building target in Qt Creator (instead of tff2lff, which is another choice)

If everything is good up to this point, you can build and run LibreCAD within Qt-Creator.

Note that adding -j to the make arguments can significantly improve build time.

Other instructions:

Building LibreCAD-2.0 on OS/X

LibreCAD in MacPorts

Starting from version 2.0.2, LibreCAD is included MacPorts, which can be downloaded from http://www.macports.org/install.php

To install LibreCAD by MacPorts:

Optional, update package list

   $ sudo port selfupdate

Install the LibreCAD package

   $ sudo port install librecad

Following steps describe steps to build LibreCAD manually.

Alternative: Building from Downloaded Source Code

Install dependecies

Install QT and a new gcc, which should be version 4.7 or later (gcc-4.8 is recommended).

Install a version of Qt, boost and muparser, for example

   $ sudo port install gcc48 qt4-creator-mac qt4-mac boost freetype

Again, if you are running an OS/X version before Mavericks(10.9), you may have to select gcc-4.8 as the default compiler:

   $ sudo port select gcc

Accept mp-gcc48 as the current active gcc.

Please note LibreCAD uses a patched version muparser, and the muparser package from MacPorts is not a required dependency any more.

Get Latest LibreCAD Source Code

To test the latest LibreCAD version, you may clone the official repository, and this cloning only needs to be done once. The latest development version of LibreCAD-2.0 is the master branch.

Alternatively, you may download source code zipballs/tarballs from github: https://github.com/LibreCAD/LibreCAD/releases

    $ sudo port install git-core
    $ mkdir -p ~/github
    $ cd ~/github
    $ git clone https://github.com/LibreCAD/LibreCAD.git

The last git command will clone the official LibreCAD repository to a folder ~/github/LibreCAD/ If you have a previous cloned repository, say, in ~/github/LibreCAD/ , you can update the code by:

   $ cd ~/github/LibreCAD/
   $ git fetch origin
   $ git checkout master
   $ git rebase origin/master

To be able to rely on pkg-config to find libraries, you may add the following to custom.pro

   $ echo "QT_CONFIG -= no-pkg-config" >> custom.pro

Select the right compiler

LibreCAD doesn't build with the default llvm-gcc42. For example you may choose gcc48 by:

   $ sudo port install gcc48
   $ sudo port select --set gcc mp-gcc48

Building LibreCAD

On OS/X 10.9 or newer, use spec macx-g++ is the default. Alternatively, you may use the system default clang++ compiler instead of gcc。

   $ qmake librecad.pro -r -spec macx-g++

On OS/X version 10.8 or older, run the following command to build a makefile in the LibreCAD source folder (as in our example, ~/github/LibreCAD/ )

   $ qmake librecad.pro -r -spec mkspec/macports

If the previous step is successful, you can build LibreCAD by issuing:

   $ make -j4

After a successful build, the generated executible of LibreCAD can be found as

   LibreCAD.app/Contents/MacOS/LibreCAD

By the building script

Alternatively, you may try the building script comes with LibreCAD at scripts/build-osx.sh to build an DMG file. On OS/X 10.9 or newer,

   $ cd ~/github/LibreCAD/
   $ cd scripts/
   $ ./build-osx.sh

On OS/X 10.8 or older, you may have to edit the build-osx.sh to qmake command lines like:

   qmake -r -spec mkspec/macports

to use the qmake mkspec shipped within LibreCAD source code.