perf tools: Include errno.h where needed

[linux-2.6-block.git] / tools / perf / util / c++ / clang-c.h

#ifndef PERF_UTIL_CLANG_C_H
#define PERF_UTIL_CLANG_C_H

#include <stddef.h>	/* for size_t */
#include <util-cxx.h>	/* for __maybe_unused */

#ifdef __cplusplus
extern "C" {
#endif

#ifdef HAVE_LIBCLANGLLVM_SUPPORT
extern void perf_clang__init(void);
extern void perf_clang__cleanup(void);

extern int test__clang_to_IR(void);
extern int test__clang_to_obj(void);

extern int perf_clang__compile_bpf(const char *filename,
				   void **p_obj_buf,
				   size_t *p_obj_buf_sz);
#else

#include <errno.h>

static inline void perf_clang__init(void) { }
static inline void perf_clang__cleanup(void) { }

static inline int test__clang_to_IR(void) { return -1; }
static inline int test__clang_to_obj(void) { return -1;}

static inline int
perf_clang__compile_bpf(const char *filename __maybe_unused,
			void **p_obj_buf __maybe_unused,
			size_t *p_obj_buf_sz __maybe_unused)
{
	return -ENOTSUP;
}

#endif

#ifdef __cplusplus
}
#endif
#endif