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== How to build OsmocomBB? ==
=== Prerequisites ===
We assume you are building on a GNU/Linux host system such as Debian
GNU/Linux. Successful builds have also been reported using MacOS X
and the Cygwin environment for MS Windows, but we do not officially support
this.
* Make sure you have compiled and installed a recent version of
libosmocore. See https://osmocom.org/projects/libosmocore/wiki/Libosmocore
DO NOT USE the libosmocore version embedded in this git tree. This
is a special version used internally and MUST NOT be used as
system-wide libosmocore.
* Get a GNU toolchain (gcc/binutils) for ARM (e.g. from http://gnuarm.com/)
See https://osmocom.org/projects/baseband/wiki/GnuArmToolchain
* Set your path to include the arm-elf-* executables of your toolchain
* call 'make' in this (the src) subdirectory
=== Details ===
The master Makefile will build:
* libosmocore for the target (ARM)
* osmocon and layer23 executables for the host (linking libosmocore)
* the actual target firmware images (in src/target/firmware/board/*/*.bin)
== Transmitting ==
For safety reasons, all code that can enable the transmitter on the phone is
disabled in the default builds. Plese check the src/target/firmware/Makefile
for the "#CFLAGS += -DCONFIG_TX_ENABLE" line.
Please notice that GSM operates in licensed spectrum and in most jurisdictions
you will need a license from a regulatory authority to transmit.
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