X-Git-Url: http://git.liburcu.org/?a=blobdiff_plain;f=include%2Flttng%2Fust-compiler.h;h=eb201bdc93c791f142d2cbc0aa7a86fd90d2472d;hb=7850c5cc9c0ff172bff3798c55f3d17bebf7c6ce;hp=f0ec8d0c41d86a73304f3a23b495840168d12537;hpb=9f5ade14faf36df6429d9c6e1d0360854a5669d0;p=lttng-ust.git diff --git a/include/lttng/ust-compiler.h b/include/lttng/ust-compiler.h index f0ec8d0c..eb201bdc 100644 --- a/include/lttng/ust-compiler.h +++ b/include/lttng/ust-compiler.h @@ -32,10 +32,10 @@ * g++ 4.8 and prior do not support C99 compound literals. Therefore, * force allocating those on the heap with these C++ compilers. */ -#if defined (__cplusplus) && defined (__GNUC__) && \ - (__GNUC__ < 4) || ((__GNUC__ == 4) && (__GNUC_MINOR__ <= 8)) -# ifndef LTTNG_ALLOCATE_COMPOUND_LITERAL_ON_HEAP -# define LTTNG_ALLOCATE_COMPOUND_LITERAL_ON_HEAP +#if defined (__cplusplus) && !defined (__clang__) && defined (__GNUC__) && \ + ((__GNUC__ < 4) || ((__GNUC__ == 4) && (__GNUC_MINOR__ <= 8))) +# ifndef LTTNG_UST_ALLOCATE_COMPOUND_LITERAL_ON_HEAP +# define LTTNG_UST_ALLOCATE_COMPOUND_LITERAL_ON_HEAP # endif #endif @@ -44,16 +44,16 @@ * Compound literals are part of the C99 and C11 standards, but not * part of the C++ standards. However, those are supported by both g++ and * clang. In order to be strictly C++11 compliant, defining - * LTTNG_ALLOCATE_COMPOUND_LITERAL_ON_HEAP before including this header + * LTTNG_UST_ALLOCATE_COMPOUND_LITERAL_ON_HEAP before including this header * allocates those on the heap in C++. * * Example use: - * static struct mystruct *var = __LTTNG_COMPOUND_LITERAL(struct mystruct, { 1, 2, 3 }); + * static struct mystruct *var = LTTNG_UST_COMPOUND_LITERAL(struct mystruct, { 1, 2, 3 }); */ -#if defined (__cplusplus) && defined (LTTNG_ALLOCATE_COMPOUND_LITERAL_ON_HEAP) -#define __LTTNG_COMPOUND_LITERAL(type, ...) new (type) __VA_ARGS__ +#if defined (__cplusplus) && defined (LTTNG_UST_ALLOCATE_COMPOUND_LITERAL_ON_HEAP) +#define LTTNG_UST_COMPOUND_LITERAL(type, ...) new (type) __VA_ARGS__ #else -#define __LTTNG_COMPOUND_LITERAL(type, ...) (type[]) { __VA_ARGS__ } +#define LTTNG_UST_COMPOUND_LITERAL(type, ...) (type[]) { __VA_ARGS__ } #endif /* @@ -65,9 +65,12 @@ * static assertion. This parameter must be a valid C identifier as it will * be used as a typedef name. */ -#if defined (__cplusplus) || __STDC_VERSION__ >= 201112L -#define lttng_static_assert(predicate, msg, c_identifier_msg) \ +#ifdef __cplusplus +#define lttng_ust_static_assert(predicate, msg, c_identifier_msg) \ static_assert(predicate, msg) +#elif __STDC_VERSION__ >= 201112L +#define lttng_ust_static_assert(predicate, msg, c_identifier_msg) \ + _Static_assert(predicate, msg) #else /* * Evaluates the predicate and emit a compilation error on failure. @@ -79,8 +82,8 @@ * of negative size which is invalid in C and forces a compiler error. The msg * parameter is used in the tentative typedef so it is printed to the user. */ -#define lttng_static_assert(predicate, msg, c_identifier_msg) \ - typedef char lttng_static_assert_##c_identifier_msg[2*!!(predicate)-1]; +#define lttng_ust_static_assert(predicate, msg, c_identifier_msg) \ + typedef char lttng_ust_static_assert_##c_identifier_msg[2*!!(predicate)-1] #endif #endif /* _LTTNG_UST_COMPILER_H */