Ashin Walpola
d107534eb2
obu-firmware builds against the vanetza-idf C-ITS library, which until now came from the colleague's microbu-esp32c5 tree beside the repository and was not tracked here, so a clone of this repository could not build the firmware it ships. The library alone is now part of obu-firmware, as obu-firmware/external/vanetza-idf: their external/vanetza-idf at commit cf4b99f, unchanged (9775 files; see its PROVENANCE.md). CMake takes it from there by default; -DVANETZA_IDF_DIR still points the build elsewhere. The rest of the colleague's tree (their own VAM firmware, PKI tooling, station-link Python tools, the V2X2MAP bridge) stays out of this repository and gitignored; nothing is pushed to their repository. NOTES.md, docs/06, TODO.md and the pcap verifier's usage line point at the new location.
1.8 KiB
Cross-Compilation of Dependencies
This document summarises a few hints for cross-compiling Vanetza's dependencies. Please note, that cross-compiling is not relevant for you if you plan to use Vanetza on the same system you have built it on.
Boost
Create a configuration file for Boost.Build in your home directory at $HOME/user-config.jam and add following line to it:
using gcc : arm : arm-linux-gnueabihf-g++ ;
The install stage does not work in Boost 1.71.0 (and 1.70.0) when cross-compiling.
A workaround for this issue is to remove following lines from tools/build/src/tools/common.jam (around line 976):
# From GCC 5, versioning changes and minor becomes patch
if $(tag) = gcc && [ numbers.less 4 $(version[1]) ]
{
version = $(version[1]) ;
}
# Ditto, from Clang 4
if ( $(tag) = clang || $(tag) = clangw ) && [ numbers.less 3 $(version[1]) ]
{
version = $(version[1]) ;
}
Then, the required libraries can be built and installed at given prefix path:
:::shell
./b2 --prefix=$HOME/vanetza-deps --with-date_time --with-program_options --with-system --no-samples --no-tests variant=release link=shared cxxstd=11 install
Crypto++
Version 8.2 can be cross-compiled with the provided GNUmakefile-cross makefile.
:::shell
export CXX=arm-linux-gnueabihf-g++
export PREFIX=$HOME/vanetza-deps
export HAS_SOLIB_VERSION=1
make -f GNUmakefile-cross shared
make -f GNUmakefile-cross install
GeographicLib
Following steps have been tested with version 1.50.
$VANETZA refers to the root directory of this repository.
:::shell
mkdir build.arm
cd build.arm
cmake .. -DCMAKE_TOOLCHAIN_FILE=$VANETZA/cmake/Toolchain-Cohda-MK5.cmake -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=$HOME/vanetza-deps
make install