Use the Win32 subsystem API while depending only on Ntdll.dll.
example.cpp:
#include <NtWin32/Windows.h>
int main() {
SetLastError(123);
DWORD error = GetLastError();
}CMake:
# FetchContent_MakeAvailable requires CMake 3.14+
cmake_minimum_required(VERSION 3.14)
project(example)
FetchContent_Declare(
NtWin32
GIT_REPOSITORY https://github.com/Chaoses-Ib/NtWin32.git
# It is recommanded to specify a version instead of using the main branch
GIT_TAG main
)
FetchContent_MakeAvailable(NtWin32)
# Disable runtime error checks
string(REGEX REPLACE "/RTC[^ ]*" "" CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG}")
set(CMAKE_C_STANDARD_LIBRARIES "ntdll.lib" CACHE STRING "Libraries linked into every executable and shared library linked for C." FORCE)
set(CMAKE_CXX_STANDARD_LIBRARIES "ntdll.lib" CACHE STRING "Libraries linked into every executable and shared library linked for C++." FORCE)
add_executable(example example.cpp)
target_link_options(example PRIVATE /NODEFAULTLIB /ENTRY:main)
target_link_libraries(example PRIVATE NtWin32)
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