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Introduction

The old GitBash build environment is depreciated deprecated and we use now the Msys2 that supports a package system for updates.

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titleIn this page
 
Table of Contents

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  • Install Msys2 following the instructions on the web site.
  • You can either install the i686 (32 bit) or x86_64 (64 bit) version, this applies to host used. Both installers support Win32 and Win64 shells.
  • Update Msys2 to the latest available binaries following steps 5 to 7 of Msys2 installation guide.
 


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pacman -Syu

If you get build errors when pulling new code later, always try re-running "pacman -Syu" as that will often resolve build problems.

 


Warning
titleUsername / Home directory

Msys2 creates the home directory using the current Username from Windows.
Be sure the home directory does not contains spaces and rename it if needed.

Check your home directory:

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cd ~
pwd
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Add LibrePilot MinGW repository

Add the following lines at the end of your /etc/pacman.conf file:

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[librepilot-mingw]
SigLevel = Optional TrustAll
Server = http://download.librepilot.org/repo/mingw

Paste this code into the bash-window to add the above lines to /etc/pacman.conf

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echo "[librepilot-mingw]" >> /etc/pacman.conf
echo "SigLevel = Optional TrustAll" >> /etc/pacman.conf
echo "Server = http://download.librepilot.org/repo/mingw" >> /etc/pacman.conf
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Install required packages

If you followed the previous instructions from the msys2 website, you have now a fresh build environment.

  • Start a MinGW-w64 Win32 Shell or MinGW-w64 Win64 Shell but not a MSYS2 Shell
  • Install the dependent packages that match your MinGW shell.

For 32 bit:

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pacman -Sy
pacman -S --needed git unzip tar mingw-w64-i686-toolchain mingw-w64-i686-ccache mingw-w64-i686-qt5 mingw-w64-i686-SDL mingw-w64-i686-mesa mingw-w64-i686-openssl mingw-w64-i686-gdal-minimal mingw-w64-i686-OpenSceneGraph mingw-w64-i686-osgearth
pacman -S --needed mingw-w64-i686-graphite2 mingw-w64-i686-nghttp2

Optionally install debug packages:

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pacman -S --needed mingw-w64-i686-OpenSceneGraph-debug mingw-w64-i686-osgearth-debug

For 64 bit:

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pacman -Sy
pacman -S --needed git unzip tar mingw-w64-x86_64-toolchain mingw-w64-x86_64-ccache mingw-w64-x86_64-qt5 mingw-w64-x86_64-SDL mingw-w64-x86_64-mesa mingw-w64-x86_64-openssl mingw-w64-x86_64-gdal-minimal mingw-w64-x86_64-OpenSceneGraph mingw-w64-x86_64-osgearth

Optionally install debug packages:

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pacman -S --needed mingw-w64-x86_64-OpenSceneGraph-debug mingw-w64-x86_64-osgearth-debug

 


When pacman ask for default selection=All, hit Enter and next step  you should say 'Y' to start download.

This can take a while, fast internet connection preferred !

After download pacman will install all packages automatically.

 


Note
titleNote

Every time you need a 'make' command you need to run the mingw version of make, which is `mingw32-make`

To make this easier, you can execute this once:

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echo "alias make=mingw32-make" >> ~/.bashrc && . ~/.bashrc

and just use 'make'.

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Get the code using Msys2

  • Start a Win32 or Win64 shell
  • By default the shell start in home/[username], if you want to return back to home dir type: cd ~
  • Clone repository using git command :
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git clone https://bitbucket.org/librepilot/librepilot.git
 
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Go into librepilot directory just created using git clone and check out the "next" source code branch, you can choose any other like "master" or "rel-15.09"

 

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cd librepilot
git checkout next
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Using mingw32-make:

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mingw32-make all_sdk_install

 (NOTE:  Network transfers may fail.  If you see errors just keep re-executing the command until if completes successfully.  If asked to replace files, answer 'y' or 'A')

 
ToolApprox. sizeUsed for
Arm compiler~94Mb

firmware build

Nsis~2,1MbWindows installer
Mesa~13MbOpenGL software driver
ccache~350KbBuild faster
gtest~1,1Mb
uncrustify~250KbFormat code
doxygen~4MbDocumentation

 

 



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Building the LibrePilot software

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Basically you just need to type:

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mingw32-make package
Info

See also the Make basics page and learn more about 'make' commands, just replace the make command with mingw32-make.

 


It will build the UAVObjGenerator utility and all firmwares:

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 Then GCS software:

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Finally all files are packaged using the Nsis software installer. 


At end, the LibrePilot software installer can be found in ~/librepilot/build/ directory. 


     

 


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Congrats !

Congratulations! You have setup the build environment and built the complete LibrePilot software suite!