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BUILDING.md

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Building rtl_433

rtl_433 currently supports these input types:

  • RTL-SDR (optional, recommended)
  • SoapySDR (optional)
  • files: CU8, CS16, CF32 I/Q data, U16 AM data (built-in)
  • rtl_tcp remote data servers (built-in)

Building rtl_433 with RTL-SDR or SoapySDR support is optional but using RTL-SDR is highly recommended. The libraries and header files for RTL-SDR and/or SoapySDR should be installed beforehand.

Nightly builds

Some distributions offer nightly builds.

openSUSE

openSUSE users of at least Leap 42.3 or Tumbleweed can add the repository with daily builds:

$ sudo zypper addrepo -f obs://home:mnhauke:rtl_433:nightly/rtl_433
rtl_433-nightly
$ sudo zypper install rtl_433

The usual update mechanism will now keep the rtl_433 version current.

Fedora

Fedora users (31, 32 and Rawhide) can add the following copr repository to get nightly builds:

$ sudo dnf copr enable tvass/rtl_433
$ sudo dnf install rtl_433

The usual update mechanism will now keep the rtl_433 version current.

Linux / Mac OS X

Depending on your system, you may need to install the following libraries.

Debian:

sudo apt-get install libtool libusb-1.0-0-dev librtlsdr-dev rtl-sdr build-essential cmake pkg-config

Centos/Fedora/RHEL with EPEL repo using cmake:

  • If dnf doesn't exist, use yum.
sudo dnf install libtool libusbx-devel rtl-sdr-devel rtl-sdr cmake

Mac OS X with MacPorts:

sudo port install rtl-sdr cmake

Mac OS X with Homebrew:

brew install rtl-sdr cmake pkg-config

CMake

Installation using CMake:

cd rtl_433/
mkdir build
cd build
cmake ..
make
make install

Use CMake with -DENABLE_SOAPYSDR=ON (default: AUTO) to require SoapySDR (e.g. with Debian needs the package libsoapysdr-dev), use -DENABLE_RTLSDR=OFF (default: ON) to disable RTL-SDR if needed. E.g. use:

cmake -DENABLE_SOAPYSDR=ON ..

Windows

MinGW-w64

You'll probably want librtlsdr and libusb.

libusb has prebuilt binaries for windows, librtlsdr needs to be built (at least for the latest version, some binaries of older versions seem to be floating around)

librtlsdr

taken and adapted from here: https://www.onetransistor.eu/2017/03/compile-librtlsdr-windows-mingw.html

  • install MinGW-w64 and CMake
    • it's easiest if you select the option to include CMake in your path, otherwise you'll need to do this manually
  • download the libusb binaries from https://sourceforge.net/projects/libusb/files/libusb-1.0/ or from https://libusb.info/
    • take the latest release and then download the .7z file, the other file contains the sources (or 'windows binaries' on the .info website)
  • extract the archive and open the extracted folder
  • copy the contents of the include folder to <mingw_installation_folder>/include
  • copy the mingw64/dll/libusb-1.0.dll.a file to `<mingw_installation_folder>/lib
  • copy the mingw64/dll/libusb-1.0.dll file to <mingw_installation_folder>/bin
  • download the source code of librtlsdr https://github.com/steve-m/librtlsdr
  • go into the librtlsdr folder
  • open CMakeLists.txt with an editor that knows unix line endings
  • go to # Find build dependencies (around line 65) and comment/remove the line with find_package(Threads)
  • add the following lines instead:
SET(CMAKE_THREAD_LIBS_INIT "-lpthread")
SET(CMAKE_HAVE_THREADS_LIBRARY 1)
SET(THREADS_FOUND TRUE)
  • go into the cmake/modules folder and open FindLibUSB.cmake with a text editor
  • find the lines with the following text in them
/usr/include/libusb-1.0
/usr/include
/usr/local/include
  • add some extra lines to point to the MinGW include folder where you extracted libusb-1.0, making it look like this
    • take note of the "" around the folder names, these are needed when there are spaces in the folder name
    • you'll need to find out the exact paths for your system
/usr/include/libusb-1.0
/usr/include
/usr/local/include
"C:/Program Files/mingw-w64/x86_64-8.1.0-posix-seh-rt_v6-rev0/mingw64/include"
"C:/Program Files/mingw-w64/x86_64-8.1.0-posix-seh-rt_v6-rev0/mingw64/include/libusb-1.0"
  • open a MinGW terminal in the librtlsdr folder
  • create build folder and go into it: mkdir build && cd build
  • generate makefiles for MinGW: cmake -G "MinGW Makefiles" ..
  • build the librtlsdr library: mingw32-make

rtl_433

  • clone the rtl_433 repository and cd into it
  • create a build folder and go into it: mkdir build && cd build
  • run cmake -G "MinGW Makefiles" .. in the build directory
  • run cmake-gui (this is easiest)
  • set the source (the rtl_433 source code directory) and the build directory (one might create a build directory in the source directory)
  • click configure
  • select the grouped and advanced tickboxes
  • go into the librtlsdr config group
  • point the LIBRTLSDR_INCLUDE_DIRS to the include folder of the librtlsdr source
  • point the LIBRTLSDR_LIBRARIES to the librtlsdr.dll.a file in the <librtlsdr_source>/build/src folder
    • that's the one you've built earlier
  • start a MinGW terminal and run mingw32-make to build
    • when something in the tests folder doesn't build, you can disable it by commenting out add_subdirectory(tests) in the CMakeLists.txt file in the source folder of rtl_433
  • rtl_433.exe should be built now
  • you need to place it in the same folder as librtlsdr.dll and libusb-1.0.dll (you should have seen both of them by now)
  • good luck!

Visual Studio 2017 CMake MSBuild

cd rtl_433
mkdir build
cd build
cmake -G "Visual Studio 15 2017 Win64" ..
MSBuild.exe rtl433.sln
  • -or- open the rtl433.sln

Visual Studio 2017 supplied project/solution

  • Open the rtl_433.sln from the vs15 folder -or-
cd rtl_433
cd vs15
MSBuild.exe rtl_433.sln

If your system is missing or you find these steps are outdated please PR an update or open an issue.