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Required dependencies:
======================
* A C++11 capable compiler
* pkg-config
* FFTW 3.x
* autoconf
* Optional UHD for USRP
* Optional LimeSuite for LimeSDR support
* Optional SoapySDR (see below)
* Optional bladerf (see below)
* Optional ZeroMQ http://www.zeromq.org
Simple install procedure:
=========================
% tar xjf odr-dabmod-X.Y.Z.tar.bz2 # Unpack the source
% cd odr-dabmod-X.Y.Z # Change to the source directory
% ./configure
# Run the configure script
% make # Build ODR-DabMod
[ as root ]
% make install # Install ODR-DabMod
Configure options
=================
The configure script can be launched with a variety of options:
Disable ZeroMQ input (to be used with ODR-DabMux), output and remotecontrol: `--disable-zeromq`
Disable the binding to the UHD driver for USRPs: `--disable-output-uhd`
Compile using the `-ffast-math` option that gives a substantial speedup at the cost of floating point correctness: `--enable-fast-math`
On some ARM systems you might need `--with-boost-libdir=/usr/lib/arm-linux-gnueabihf` so that boost gets found.
Do not pass `-march=native` to the compiler: `--disable-native`
**Remark:** Do not compile ODR-DabMod with `-march=native` compiler option. This is meant for distribution package maintainers who want to use their own march option, and for people running into compilation issues due to `-march=native`. (e.g. GCC bug 70132 on ARM systems)
**Debugging options:** You should not enable any debug option if you need good performance.
Create debugging files for each DSP block for data analysis: `--enable-trace`
For more information, call:
% ./configure --help
Performance optimisation
------------------------
While the performance of modern systems is good enough in most cases to
run ODR-DabMod, it is sometimes necessary to increase the compilation
optimisation if all features are used or on slow systems.
Tricks for best performance:
* Do not use `--disable-native`
* Use `--enable-fast-math`
* Add `-O3` to compiler flags
* Disable assertions with `-DNDEBUG`
Applying all together:
% ./configure CFLAGS="-O3 -DNDEBUG" CXXFLAGS="-O3 -DNDEBUG" --enable-fast-math
Checking for memory usage issues
--------------------------------
If your compiler supports it, you can enable the address sanitizer to check for memory
issues:
% ./configure CFLAGS="-fsanitize=address -g -O2" CXXFLAGS="-fsanitize=address -g -O2"
The resulting binary will be instrumented with additional memory checks, which have a
measurable overhead. Please report if you get warnings or errors when using the sanitizer.
Nearly as simple install procedure using repository:
====================================================
* Download and install dependencies as above
* Clone the git repository
* Bootstrap autotools:
% ./bootstrap.sh
In case this fails, try:
% aclocal && automake --gnu --add-missing && autoconf
* Then use `./configure` as above
SoapySDR support and required dependencies
==========================================
SoapySDR is a vendor-neutral library to drive SDR devices. It can be used to
drive the HackRF and the LimeSDR among others.
Required dependencies that need to be installed are, in order:
1. SoapySDR itself from https://github.com/pothosware/SoapySDR
2. The LimeSuite for the LimeSDR from https://github.com/myriadrf/LimeSuite
3. HackRF support for SoapySDR from https://github.com/pothosware/SoapyHackRF
ODR-DabMod will automatically recognise if the SoapySDR library is installed on
your system, and will print at the end of `./configure` if support is enabled or
not.
A configuration example is available in `doc/example.ini`
BladeRF support
===============
In order to use `--enable-bladerf`, you need to install the `libbladerf2` including the -dev package.
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