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From: Jonathan Wakely <redi@gcc.gnu.org> To: gcc-cvs@gcc.gnu.org, libstdc++-cvs@gcc.gnu.org Subject: [gcc r11-8757] libstdc++: Make <experimental/simd> depend on C++17 Date: Thu, 15 Jul 2021 19:53:29 +0000 (GMT) [thread overview] Message-ID: <20210715195329.3B5CF3AAB432@sourceware.org> (raw) https://gcc.gnu.org/g:a2a1158ce21690e3760d26be1ae4531f1fe08a18 commit r11-8757-ga2a1158ce21690e3760d26be1ae4531f1fe08a18 Author: Jonathan Wakely <jwakely@redhat.com> Date: Wed Jun 30 21:35:51 2021 +0100 libstdc++: Make <experimental/simd> depend on C++17 Signed-off-by: Jonathan Wakely <jwakely@redhat.com> libstdc++-v3/ChangeLog: * include/experimental/simd: Do not define anything pre-C++17. (cherry picked from commit 36adced3b6b7cae17d7b42e4573bd0f4194b1f70) Diff: --- libstdc++-v3/include/experimental/simd | 3 +++ 1 file changed, 3 insertions(+) diff --git a/libstdc++-v3/include/experimental/simd b/libstdc++-v3/include/experimental/simd index da2d0479cf3..beccbc14fa5 100644 --- a/libstdc++-v3/include/experimental/simd +++ b/libstdc++-v3/include/experimental/simd @@ -33,6 +33,8 @@ #ifndef _GLIBCXX_EXPERIMENTAL_SIMD #define _GLIBCXX_EXPERIMENTAL_SIMD +#if __cplusplus >= 201703L + #define __cpp_lib_experimental_parallel_simd 201803 #pragma GCC diagnostic push @@ -66,5 +68,6 @@ #pragma GCC diagnostic pop +#endif // C++17 #endif // _GLIBCXX_EXPERIMENTAL_SIMD // vim: ft=cpp
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