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Switch to C++20 standard for all CMake targets. (#2536)

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All our platforms support C++20 now, so update to C++20 standard
for language features such as concepts, designated initializers,
range-based for initializers, and consteval. This PR only switches
the compiler flags to C++20, no other changes.

[ROCm/composable_kernel commit: 67b2821623]
This commit is contained in:
John Shumway
2025-07-22 11:52:10 -06:00
committed by GitHub
parent 545819c362
commit 23e4294747
5 changed files with 6 additions and 6 deletions
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2
client_example/CMakeLists.txt
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@@ -1,6 +1,6 @@
cmake_minimum_required(VERSION 3.15)
project(ck_app)
add_compile_options(-std=c++17)
add_compile_options(-std=c++20)
if (DTYPES)
add_definitions(-DDTYPES)

2
codegen/CMakeLists.txt
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@@ -22,7 +22,7 @@ file(GLOB_RECURSE KERNEL_FILES CONFIGURE_DEPENDS
add_embed_library(ck_headers ${KERNEL_FILES} RELATIVE ${CK_ROOT}/include)
add_compile_options(-std=c++17)
add_compile_options(-std=c++20)
file(GLOB SOURCES CONFIGURE_DEPENDS src/*.cpp)
# TODO: Use object library

4
codegen/test/rtc/src/compile_kernel.cpp
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@@ -94,7 +94,7 @@ kernel clang_compile_kernel(const std::vector<src_file>& srcs, compile_options o
assert(not srcs.empty());
tmp_dir td{"compile"};
options.flags += " -I. -O3";
options.flags += " -std=c++17";
options.flags += " -std=c++20";
options.flags += " --offload-arch=" + get_device_name();
std::string out;
@@ -278,7 +278,7 @@ std::vector<std::vector<char>> compile_hip_src_with_hiprtc(const std::vector<src
static kernel hiprtc_compile_kernel(const std::vector<src_file>& srcs, compile_options options)
{
options.flags += " -I. -O3";
options.flags += " -std=c++17";
options.flags += " -std=c++20";
options.flags += " -DCK_CODE_GEN_RTC";
options.flags += " --offload-arch=" + get_device_name();
auto cos = compile_hip_src_with_hiprtc(srcs, options);

2
script/cmake-ck-dev.sh
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@@ -31,7 +31,7 @@ fi
cmake \
-D CMAKE_PREFIX_PATH=/opt/rocm/ \
-D CMAKE_CXX_COMPILER=/opt/rocm/llvm/bin/clang++ \
-D CMAKE_CXX_FLAGS="-std=c++17 -O3 -ftemplate-backtrace-limit=0 -fPIE -Wno-gnu-line-marker" \
-D CMAKE_CXX_FLAGS="-std=c++20 -O3 -ftemplate-backtrace-limit=0 -fPIE -Wno-gnu-line-marker" \
-D CMAKE_BUILD_TYPE=Release \
-D BUILD_DEV=ON \
-D GPU_TARGETS=$GPU_TARGETS \

2
test/block_swizzle_test/rebuild.sh
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@@ -1,3 +1,3 @@
CC=g++
$CC -Wall -std=c++17 -Iinclude -O3 block_swizzle_test.cpp -o block_swizzle_test.exe
$CC -Wall -std=c++20 -Iinclude -O3 block_swizzle_test.cpp -o block_swizzle_test.exe