don't override user input about RF24_DRIVER in cmake

when not using an env var to set RF24_DRIVER
nRF24 · Apr 5, 2024 · fa3c7af · fa3c7af
1 parent 8e996a6
commit fa3c7af
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/cmake/AutoConfig_RF24_DRIVER.cmake b/cmake/AutoConfig_RF24_DRIVER.cmake
@@ -51,7 +51,7 @@ endif()
 if(DEFINED ENV{RF24_DRIVER})
     message(STATUS "RF24_DRIVER (set from env var) = $ENV{RF24_DRIVER}")
     set(RF24_DRIVER $ENV{RF24_DRIVER} CACHE STRING "" FORCE)
-else()
+elseif(${RF24_DRIVER} STREQUAL "UNKNOWN")
     set(RF24_DRIVER SPIDEV CACHE STRING "using folder /utility/SPIDEV" FORCE)
 endif()