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authorHarald Welte <laforge@gnumonks.org>2010-12-11 11:38:59 +0800
committerHarald Welte <laforge@gnumonks.org>2010-12-11 11:38:59 +0800
commit155cbeab1dcf82f6779c10320ce0eafad3f15780 (patch)
tree11f78c913315e675cbdbf9a10e79887c35e04464 /src/README.building
parent80600c5a08e382b7749bc1305814b0670f07330b (diff)
README update about transmit as well as development
Diffstat (limited to 'src/README.building')
-rw-r--r--src/README.building14
1 files changed, 12 insertions, 2 deletions
diff --git a/src/README.building b/src/README.building
index 32d03c95..a871c7f0 100644
--- a/src/README.building
+++ b/src/README.building
@@ -3,8 +3,9 @@
=== Prerequisites ===
We assume you are building on a GNU/Linux host system such as Debian
-GNU/Linux. Windows builds have been reported successfully using the
-Cygwin environment, but we do not officially support this.
+GNU/Linux. Builds have been reported successfully using MacOS X
+and the Cygwin environment for MS Windows, but we do not officially support
+this.
# Get a GNU toolchain (gcc/binutils) for ARM (e.g. from http://gnuarm.com/)
# Set your path to include the arm-elf-* executables of your toolchain
@@ -18,3 +19,12 @@ 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.