File sdrpp-tetra-demodulator-cmake.patch of Package sdrpp-git

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 788ce05..3ed7060 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -39,6 +39,7 @@ option(OPT_BUILD_M17_DECODER "Build the M17 decoder module (no dependencies requ
 option(OPT_BUILD_METEOR_DEMODULATOR "Build the meteor demodulator module (no dependencies required)" ON)
 option(OPT_BUILD_RADIO "Main audio modulation decoder (AM, FM, SSB, etc...)" ON)
 option(OPT_BUILD_WEATHER_SAT_DECODER "Build the HRPT decoder module (no dependencies required)" OFF)
+option(OPT_BUILD_TETRA_DEMODULATOR "Build the tetra demodulator module (no dependencies required)" ON)
 
 # Misc
 option(OPT_BUILD_DISCORD_PRESENCE "Build the Discord Rich Presence module" ON)
@@ -156,6 +157,9 @@ if (OPT_BUILD_WEATHER_SAT_DECODER)
 add_subdirectory("decoder_modules/weather_sat_decoder")
 endif (OPT_BUILD_WEATHER_SAT_DECODER)
 
+if (OPT_BUILD_TETRA_DEMODULATOR)
+add_subdirectory("decoder_modules/tetra_demodulator")
+endif (OPT_BUILD_TETRA_DEMODULATOR)
 
 # Misc
 if (OPT_BUILD_DISCORD_PRESENCE)