diff options
| author |  Abseil Team <absl-team@google.com> | 2017-10-13 10:21:40 -0700 |
|---|---|---|
| committer |  jueminyang <jueminyang@google.com> | 2017-10-16 12:00:04 -0400 |
| commit | 6de53819a7173bd446156237a37f53464b7732cc (patch) | |
| tree | bffe391f131d02a8e16a2236ac9b89856b7fc012 /absl/base/config.h | |
| parent | 1a9ba5e2e5a14413704f0c913fac53359576d3b6 (diff) | |
Changes imported from Abseil "staging" branch:
- 432508bf64998983b3c194d5f164872ce3c2e573 Put visibility tags into absl external build files by Jon Cohen <cohenjon@google.com>
- 25d59d11e7b833fe632cddb5bf4d76075ae6282b Use ABSL_PREDICT_TRUE instead of *FALSE for the range che... by Jon Cohen <cohenjon@google.com>
- 8d8a5890a55ddd19aac849748441eeb57c684f10 Better detection for MSVC support on std::optional. by Xiaoyi Zhang <zhangxy@google.com>
- c1b31e4a97939885c3bbc23ecb093e9619e73ad1 Internal cleanup by Gennadiy Rozental <rogeeff@google.com>
- 4f56ad20c4eeccc6f5fb21ec6c7191233d34a090 Internal change. by Matt Calabrese <calabrese@google.com>
- d2a02b52c75c295708170f4d17b7ff442c8d6a97 Fixed a minor typo in the SimpleAtob() function comment. by Abseil Team <absl-team@google.com>
- 5adbff5c23a45278d06de2ef3a29ea51b0d1269e Internal cleanup by Gennadiy Rozental <rogeeff@google.com>
GitOrigin-RevId: 432508bf64998983b3c194d5f164872ce3c2e573
Change-Id: I32ddd151d3350b96a22e8f1830f19b59374953ad
Diffstat (limited to 'absl/base/config.h')
| -rw-r--r-- | absl/base/config.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/absl/base/config.h b/absl/base/config.h index 5f0dd04c..495811bd 100644 --- a/absl/base/config.h +++ b/absl/base/config.h @@ -372,4 +372,19 @@ #endif #endif +// For MSVC, `__has_include` is supported in VS 2017 15.3, which is later than +// the support for <optional>, <any>, <string_view>. So we use _MSC_VER to check +// whether we have VS 2017 RTM (when <optional>, <any>, <string_view> is +// implemented) or higher. +// Also, `__cplusplus` is not correctly set by MSVC, so we use `_MSVC_LANG` to +// check the language version. +// TODO(zhangxy): fix tests before enabling aliasing for `std::any`, +// `std::string_view`. +#if defined(_MSC_VER) && _MSC_VER >= 1910 && \ + ((defined(_MSVC_LANG) && _MSVC_LANG > 201402) || __cplusplus > 201402) +// #define ABSL_HAVE_STD_ANY 1 +#define ABSL_HAVE_STD_OPTIONAL 1 +// #define ABSL_HAVE_STD_STRING_VIEW 1 +#endif + #endif // ABSL_BASE_CONFIG_H_ |