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[SYCL] Switch build of SYCL runtime to C++17 #3447

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Merged
merged 8 commits into from
Apr 16, 2021
Merged

[SYCL] Switch build of SYCL runtime to C++17 #3447

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556b15d
[SYCL] Uplift SYCL runtime standard to C++17
vladimirlaz Mar 30, 2021
13e0333
Fix Windows build
vladimirlaz Mar 31, 2021
da50eb6
Yet another attempt to fix build on Windows
v-klochkov Apr 1, 2021
50982f4
Fix for an error caused by initialization of buffer_location
v-klochkov Apr 2, 2021
f2c4ed2
Update document
vladimirlaz Apr 5, 2021
69acfdf
Merge branch 'sycl' into sycl
vladimirlaz Apr 5, 2021
b9f1fa4
Use C++17 for building SYCLUnit tests
vladimirlaz Apr 9, 2021
ea2cd1d
Workaround problem in googletest
vladimirlaz Apr 12, 2021
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2 changes: 1 addition & 1 deletion sycl/CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -2,7 +2,7 @@ cmake_minimum_required(VERSION 3.14)

project(sycl-solution)
# Requirements
set(CMAKE_CXX_STANDARD 14)
set(CMAKE_CXX_STANDARD 17)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
set(CMAKE_CXX_EXTENSIONS OFF)
option(SYCL_ENABLE_WERROR "Treat all warnings as errors in SYCL project" OFF)
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2 changes: 1 addition & 1 deletion sycl/doc/GetStartedGuide.md
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Expand Up @@ -639,7 +639,7 @@ which contains all the symbols required.

## C++ standard

* DPC++ runtime and headers require C++14 at least.
* DPC++ runtime and headers require C++17 at least.
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@vladimirlaz, could you confirm that there are no runtime library ABI breaking changes requiring us to increment the library version, please?

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@v-klochkov v-klochkov Apr 5, 2021 •
edited
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Idea for a separate PR: It would be good to have a static_assert somewhere in SYCL headers that would check that C++ is 17 or higher.
It would give user-friendly message instead of some unexpected compilation errors due to various reasons (using 'if constexpr', auto in template args, inline vars, etc. with C++14 option)

* DPC++ compiler builds apps as C++17 apps by default. Higher versions of
standard are supported as well.

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13 changes: 7 additions & 6 deletions sycl/include/CL/sycl/ONEAPI/accessor_property_list.hpp
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Expand Up @@ -193,17 +193,18 @@ class accessor_property_list : protected sycl::detail::PropertyListBase {

#if __cplusplus >= 201703L
template <typename T>
static constexpr
typename detail::enable_if_t<is_compile_time_property<T>::value, bool>
has_property() {
constexpr std::enable_if_t<is_compile_time_property<T>::value, bool>
has_property() const {
return ContainsPropertyInstance<PropertyContainer<PropsT...>,
T::template instance>::value;
}

template <typename T,
typename = typename detail::enable_if_t<
is_compile_time_property<T>::value && has_property<T>()>>
static constexpr auto get_property() {
typename = std::enable_if_t<
is_compile_time_property<T>::value &&
ContainsPropertyInstance<PropertyContainer<PropsT...>,
T::template instance>::value>>
constexpr auto get_property() const {
return typename GetCompileTimePropertyHelper<PropertyContainer<PropsT...>,
T::template instance>::type{};
}
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2 changes: 1 addition & 1 deletion sycl/include/CL/sycl/properties/accessor_properties.hpp
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Expand Up @@ -52,7 +52,7 @@ struct buffer_location {
} // namespace property
#if __cplusplus > 201402L
template <int A>
inline constexpr property::buffer_location::instance<A> buffer_location;
inline constexpr property::buffer_location::instance<A> buffer_location{};
#endif
} // namespace INTEL
namespace ONEAPI {
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