mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-12-12 01:12:12 +00:00
115 lines
2.8 KiB
CMake
115 lines
2.8 KiB
CMake
# Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
|
|
# SPDX-License-Identifier: Apache-2.0.
|
|
|
|
include(CheckCSourceRuns)
|
|
|
|
option(USE_CPU_EXTENSIONS "Whenever possible, use functions optimized for CPUs with specific extensions (ex: SSE, AVX)." ON)
|
|
|
|
# In the current (11/2/21) state of mingw64, the packaged gcc is not capable of emitting properly aligned avx2 instructions under certain circumstances.
|
|
# This leads to crashes for windows builds using mingw64 when invoking the avx2-enabled versions of certain functions. Until we can find a better
|
|
# work-around, disable avx2 (and all other extensions) in mingw builds.
|
|
#
|
|
# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=54412
|
|
#
|
|
if (MINGW)
|
|
message(STATUS "MINGW detected! Disabling avx2 and other CPU extensions")
|
|
set(USE_CPU_EXTENSIONS OFF)
|
|
endif()
|
|
|
|
if(NOT CMAKE_CROSSCOMPILING)
|
|
check_c_source_runs("
|
|
#include <stdbool.h>
|
|
bool foo(int a, int b, int *c) {
|
|
return __builtin_mul_overflow(a, b, c);
|
|
}
|
|
|
|
int main() {
|
|
int out;
|
|
if (foo(1, 2, &out)) {
|
|
return 0;
|
|
}
|
|
|
|
return 0;
|
|
}" AWS_HAVE_GCC_OVERFLOW_MATH_EXTENSIONS)
|
|
|
|
if (USE_CPU_EXTENSIONS)
|
|
check_c_source_runs("
|
|
int main() {
|
|
int foo = 42;
|
|
_mulx_u32(1, 2, &foo);
|
|
return foo != 2;
|
|
}" AWS_HAVE_MSVC_MULX)
|
|
endif()
|
|
|
|
endif()
|
|
|
|
check_c_source_compiles("
|
|
#include <Windows.h>
|
|
#if WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
|
|
int main() {
|
|
return 0;
|
|
}
|
|
#else
|
|
it's not windows desktop
|
|
#endif
|
|
" AWS_HAVE_WINAPI_DESKTOP)
|
|
|
|
check_c_source_compiles("
|
|
int main() {
|
|
#if !(defined(__x86_64__) || defined(__i386__) || defined(_M_X64) || defined(_M_IX86))
|
|
# error \"not intel\"
|
|
#endif
|
|
return 0;
|
|
}
|
|
" AWS_ARCH_INTEL)
|
|
|
|
check_c_source_compiles("
|
|
int main() {
|
|
#if !(defined(__aarch64__) || defined(_M_ARM64))
|
|
# error \"not arm64\"
|
|
#endif
|
|
return 0;
|
|
}
|
|
" AWS_ARCH_ARM64)
|
|
|
|
check_c_source_compiles("
|
|
int main() {
|
|
#if !(defined(__arm__) || defined(_M_ARM))
|
|
# error \"not arm\"
|
|
#endif
|
|
return 0;
|
|
}
|
|
" AWS_ARCH_ARM32)
|
|
|
|
check_c_source_compiles("
|
|
int main() {
|
|
int foo = 42, bar = 24;
|
|
__asm__ __volatile__(\"\":\"=r\"(foo):\"r\"(bar):\"memory\");
|
|
}" AWS_HAVE_GCC_INLINE_ASM)
|
|
|
|
check_c_source_compiles("
|
|
#include <sys/auxv.h>
|
|
int main() {
|
|
#ifdef __linux__
|
|
getauxval(AT_HWCAP);
|
|
getauxval(AT_HWCAP2);
|
|
#endif
|
|
return 0;
|
|
}" AWS_HAVE_AUXV)
|
|
|
|
string(REGEX MATCH "^(aarch64|arm)" ARM_CPU "${CMAKE_SYSTEM_PROCESSOR}")
|
|
if(NOT LEGACY_COMPILER_SUPPORT OR ARM_CPU)
|
|
check_c_source_compiles("
|
|
#include <execinfo.h>
|
|
int main() {
|
|
backtrace(NULL, 0);
|
|
return 0;
|
|
}" AWS_HAVE_EXECINFO)
|
|
endif()
|
|
|
|
check_c_source_compiles("
|
|
#include <linux/if_link.h>
|
|
int main() {
|
|
return 1;
|
|
}" AWS_HAVE_LINUX_IF_LINK_H)
|