stellar

UCI Chess engine written in C++20
git clone git://git.dimitrijedobrota.com/stellar.git
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commit 2fb9a673b6887550d88a7d3be0cfd8df2a4e0536
parent 1e2a1194e08c9d8f2fb72219cabf7dc5b56d0765
author Dimitrije Dobrota < mail@dimitrijedobrota.com >
date Tue, 15 Aug 2023 21:17:36 +0200

Improve CMake file

Diffstat:
M CMakeLists.txt | +++++++++++++++++ ------
M src/include/utils_cpp.hpp | + -
M src/perft/perft.cpp | ++

3 files changed, 20 insertions(+), 7 deletions(-)

diff --git a/ CMakeLists.txt b/ CMakeLists.txt

@@ -3,20 +3,31 @@ set(CMAKE_EXPORT_COMPILE_COMMANDS ON)


project(
Stellar
VERSION 0.0.20
VERSION 0.0.21
DESCRIPTION "Chess engine written in C"
HOMEPAGE_URL https://git.dimitrijedobrota.com/stellar.git
LANGUAGES C CXX
)

set(CMAKE_C_STANDARD 99)
set(CMAKE_C_STANDARD_REQUIRED ON)
set(CMAKE_C_EXTENSIONS ON)

set(CMAKE_CXX_STANDARD 20)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
set(CMAKE_CXX_EXTENSIONS OFF)

set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fconstexpr-ops-limit=1000000000")
include(CheckCXXCompilerFlag)

CHECK_CXX_COMPILER_FLAG("-flto -fno-fat-lto-objects" COMPILER_SUPPORTS_LTO)
if(COMPILER_SUPPORTS_LTO)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -flto -fno-fat-lto-objects")
endif()

CHECK_CXX_COMPILER_FLAG("-fconstexpr-ops-limit=10000000000" COMPILER_SUPPORTS_CONSTEXPR_OPS_LIMIT)
if(COMPILER_SUPPORTS_CONSTEXPR_OPS_LIMIT)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fconstexpr-ops-limit=1000000000")
endif()

CHECK_CXX_COMPILER_FLAG("-march=native" COMPILER_SUPPORTS_MARCH_NATIVE)
if(COMPILER_SUPPORTS_MARCH_NATIVE)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -march=native")
endif()

add_subdirectory(src)

diff --git a/ src/include/utils_cpp.hpp b/ src/include/utils_cpp.hpp

@@ -35,7 +35,7 @@ template <typename C, C beginVal, C endVal> class Iterator {

typedef uint64_t U64;
typedef uint32_t U32;

enum class Color : uint8_t {
enum class Color : bool {
WHITE = 0,
BLACK
};

diff --git a/ src/perft/perft.cpp b/ src/perft/perft.cpp

@@ -20,6 +20,7 @@ class Perft {

Board board = board_start;
if (!move.make(board, 0)) return;
sem.acquire();
debug(board_start, move, board);

if (depth > 1) {
test(board, depth - 1);

@@ -63,6 +64,7 @@ class Perft {

for (int i = 0; i < list.size(); i++) {
Board copy = board;
if (!list[i].make(copy, 0)) continue;
debug(board, list[i], copy);
if (depth != 1)
test(copy, depth - 1);
else