X-Git-Url: http://git.rot13.org/?a=blobdiff_plain;f=src%2FREADME.building;h=a871c7f0cd890a6cecad74b997ed1f778432a76c;hb=155cbeab1dcf82f6779c10320ce0eafad3f15780;hp=c327d3730f76178b1263c4cf009f867f8bc0f0ba;hpb=5f3ead20158d059d022a11e121861e14bd0674df;p=osmocom-bb.git

diff --git a/src/README.building b/src/README.building
index c327d37..a871c7f 100644
--- a/src/README.building
+++ b/src/README.building
@@ -2,9 +2,10 @@
 
 === 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.
+We assume you are building on a GNU/Linux host system such as Debian
+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
@@ -16,5 +17,14 @@ The master Makefile will build
 
  * libosmocore for the host (x86 or whatever you use)
  * libosmocore for the target (ARM)
- * osmocon and layer2 executalbes for the host (linking libosmocore)
- * the actual target firmware images
+ * 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.