Files
libsecp256k1/cmake/CheckX86_64Assembly.cmake
Hennadii Stepanov ab560078aa build: Fix warnings in x86_64 assembly check
This change fixes:
- `-Wuninitialized` in both Autotools and CMake;
- `-Wreturn-type` in CMake only.
2025-09-18 14:56:47 +01:00

16 lines
395 B
CMake

include(CheckCSourceCompiles)
function(check_x86_64_assembly)
check_c_source_compiles("
#include <stdint.h>
int main(void)
{
uint64_t a = 11, tmp = 0;
__asm__ __volatile__(\"movq $0x100000000,%1; mulq %%rsi\" : \"+a\"(a) : \"S\"(tmp) : \"cc\", \"%rdx\");
return 0;
}
" HAVE_X86_64_ASM)
set(HAVE_X86_64_ASM ${HAVE_X86_64_ASM} PARENT_SCOPE)
endfunction()