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- Log ----------------------------------------------------------------- commit 3e5a07edf190614e739c8dba76cf165330e1b035 Author: Bill Fischofer bill.fischofer@linaro.org Date: Sun Apr 2 17:55:20 2017 -0500

linux-generic: debug: enable helper use from c++ programs

The ODP_STATIC_ASSERT() macro expands to _Static_assert(), however when used in C++ programs this needs to expand to static_assert().

This resolves Bug https://bugs.linaro.org/show_bug.cgi?id=2852

Reported-by: Moshe Tubul moshe.tubul@firmitas-cs.com Signed-off-by: Bill Fischofer bill.fischofer@linaro.org Signed-off-by: Maxim Uvarov maxim.uvarov@linaro.org

diff --git a/platform/linux-generic/include/odp/api/debug.h b/platform/linux-generic/include/odp/api/debug.h index 7db14339..b0f91b1c 100644 --- a/platform/linux-generic/include/odp/api/debug.h +++ b/platform/linux-generic/include/odp/api/debug.h @@ -19,17 +19,36 @@ extern "C" {

#include <odp/api/spec/debug.h>

-#if defined(__GNUC__) && !defined(__clang__) - -#if __GNUC__ < 4 || (__GNUC__ == 4 && (__GNUC_MINOR__ < 6)) - /** - * @internal _Static_assert was only added in GCC 4.6. Provide a weak replacement - * for previous versions. + * @internal _Static_assert was only added in GCC 4.6 and the C++ version + * static_assert for g++ 6 and above. Provide a weak replacement for previous + * versions. */ -#define _Static_assert(e, s) (extern int (*static_assert_checker(void)) \ - [sizeof(struct { unsigned int error_if_negative:(e) ? 1 : -1; })]) +#define _odp_merge(a, b) a##b +#define _odp_label(a) _odp_merge(_ODP_SASSERT_, a) +#define _ODP_SASSERT _odp_label(__COUNTER__) +#define _ODP_SASSERT_ENUM(e) { _ODP_SASSERT = 1 / !!(e) } +#define _odp_static_assert(e, s) enum _ODP_SASSERT_ENUM(e) + +#if defined(__clang__) +#if defined(__cplusplus) +#if !__has_feature(cxx_static_assert) && !defined(static_assert) +#define static_assert(e, s) _odp_static_assert(e, s) +#endif +#elif !__has_feature(c_static_assert) && !defined(_Static_assert) +#define _Static_assert(e, s) _odp_static_assert(e, s) +#endif

+#elif defined(__GNUC__) +#if __GNUC__ < 4 || (__GNUC__ == 4 && (__GNUC_MINOR__ < 6)) || \ + (__GNUC__ < 6 && defined(__cplusplus)) +#if defined(__cplusplus) +#if !defined(static_assert) +#define static_assert(e, s) _odp_static_assert(e, s) +#endif +#elif !defined(_Static_assert) +#define _Static_assert(e, s) _odp_static_assert(e, s) +#endif #endif

#endif @@ -39,9 +58,11 @@ extern "C" { * if condition 'cond' is false. Macro definition is empty when compiler is not * supported or the compiler does not support static assertion. */ -#define ODP_STATIC_ASSERT(cond, msg) _Static_assert(cond, msg) +#ifndef __cplusplus +#define ODP_STATIC_ASSERT(cond, msg) _Static_assert(cond, msg)

-#ifdef __cplusplus +#else +#define ODP_STATIC_ASSERT(cond, msg) static_assert(cond, msg) } #endif

diff --git a/test/common_plat/miscellaneous/odp_api_from_cpp.cpp b/test/common_plat/miscellaneous/odp_api_from_cpp.cpp index 2b307864..4578ae4b 100644 --- a/test/common_plat/miscellaneous/odp_api_from_cpp.cpp +++ b/test/common_plat/miscellaneous/odp_api_from_cpp.cpp @@ -1,10 +1,9 @@ #include <cstdio> #include <odp_api.h> -#include <odp/helper/threads.h> +#include <odp/helper/odph_api.h>

int main(int argc ODP_UNUSED, const char *argv[] ODP_UNUSED) { - printf("\tODP API version: %s\n", odp_version_api_str()); printf("\tODP implementation version: %s\n", odp_version_impl_str());

-----------------------------------------------------------------------

Summary of changes: platform/linux-generic/include/odp/api/debug.h | 41 ++++++++++++++++------ .../common_plat/miscellaneous/odp_api_from_cpp.cpp | 3 +- 2 files changed, 32 insertions(+), 12 deletions(-)

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