LTTng » LTTng-UST

The #include guard starts with an underscore followed by a capital letter. This is reserved:
http://gcc.gnu.org/onlinedocs/cpp/System_002dspecific-Predefined-Macros.html

$ echo "// coucou" > hello.tp
$ lttng-gen-tp hello.tp
$ head -n 15 hello.h

#undef TRACEPOINT_PROVIDER
#define TRACEPOINT_PROVIDER 

#undef TRACEPOINT_INCLUDE_FILE
#define TRACEPOINT_INCLUDE_FILE ./hello.h

#ifdef __cplusplus
#extern "C"{
#endif /*__cplusplus */

#if !defined(_HELLO_H) || defined(TRACEPOINT_HEADER_MULTI_READ)
#define _HELLO_H