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src/lib/rc/CMakeLists.txt

@@ -41,3 +41,7 @@ add_library(rc
 )
 target_compile_options(rc PRIVATE -Wno-unused-result)
 target_link_libraries(rc PRIVATE prebuild_targets)
+
+if(PX4_TESTING AND (${PX4_PLATFORM} MATCHES "posix"))
+	add_subdirectory(rc_tests)
+endif()

src/lib/rc/rc_tests/RCTest.cpp

@@ -3,6 +3,7 @@
 #include <systemlib/err.h>
 
 #include <stdio.h>
+#include <string.h>
 #include <unistd.h>
 
 #include <drivers/drv_hrt.h>