From 29d4ed296c7b93f76226297dc209695d6ebb5627 Mon Sep 17 00:00:00 2001
From: jusax23 <jusax23@gmail.com>
Date: Tue, 14 Nov 2023 17:22:20 +0100
Subject: [PATCH] compiler flags for msvc

---
 pubspec.yaml       |  2 +-
 src/CMakeLists.txt | 43 +++++++++++++++++++++++++++++++------------
 2 files changed, 32 insertions(+), 13 deletions(-)

diff --git a/pubspec.yaml b/pubspec.yaml
index 4737588..cfcdf55 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -16,7 +16,7 @@ dependencies:
 dev_dependencies:
   flutter_test:
     sdk: flutter
-  flutter_lints: ^2.0.0
+  flutter_lints: ^3.0.1
   ffigen: ^9.0.1
 
 # For information on the generic Dart part of this file, see the
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 8d0f063..8e0fc1a 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -7,31 +7,50 @@ project(flutter_stockfish_plugin VERSION 0.0.1 LANGUAGES CXX)
 file(GLOB_RECURSE cppPaths "Stockfish/src/*.cpp")
 set(CMAKE_CXX_STANDARD 17)
 
-set(COMMON_FLAGS "-Wall -Wcast-qual -fno-exceptions -std=c++17 -pedantic -Wextra -Wshadow -Wmissing-declarations -flto -DUSE_PTHREADS") #-flto-partition=one
+if(MSVC)
+  set(COMMON_FLAGS "/std:c++17 /LTCG")
 
-set(SIMD_FLAGS "-msse -msse3 -mpopcnt -DUSE_POPCNT -DUSE_SSE41 -msse4.1 -DUSE_SSSE3 -mssse3 -DUSE_SSE2 -msse2")
+  set(SIMD_FLAGS "/arch:AVX2 /arch:SSE /DUSE_POPCNT /DUSE_SSE41 /DUSE_SSSE3 /DUSE_SSE2")
 
-if (CMAKE_SYSTEM_PROCESSOR MATCHES "x86_64")
+  if (CMAKE_SIZEOF_VOID_P EQUAL 8)
     message(STATUS "Adding x86_64 specific flags")
-    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${COMMON_FLAGS} ${SIMD_FLAGS} -m64 -DIS_64BIT -DUSE_PTHREADS")
-elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "x86")
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${COMMON_FLAGS} ${SIMD_FLAGS}")
+  elseif(CMAKE_SIZEOF_VOID_P EQUAL 4)
     message(STATUS "Adding x86 specific flags")
     set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${COMMON_FLAGS} ${SIMD_FLAGS}")
-elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "armv8")
+  endif()
+
+    set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} /Od /Zi")
+
+    set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} /Ox /DNDEBUG")
+
+else()
+  set(COMMON_FLAGS "-Wall -Wcast-qual -fno-exceptions -std=c++17 -pedantic -Wextra -Wshadow -Wmissing-declarations -flto -DUSE_PTHREADS") 
+
+  set(SIMD_FLAGS "-msse -msse3 -mpopcnt -DUSE_POPCNT -DUSE_SSE41 -msse4.1 -DUSE_SSSE3 -mssse3 -DUSE_SSE2 -msse2")
+
+  if (CMAKE_SYSTEM_PROCESSOR MATCHES "x86_64")
+    message(STATUS "Adding x86_64 specific flags")
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${COMMON_FLAGS} ${SIMD_FLAGS} -m64 -DIS_64BIT -DUSE_PTHREADS")
+  elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "x86")
+    message(STATUS "Adding x86 specific flags")
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${COMMON_FLAGS} ${SIMD_FLAGS}")
+  elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "armv8")
     message(STATUS "Adding armv8 specific flags")
     set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${COMMON_FLAGS} -DIS_64BIT -DUSE_POPCNT -DUSE_NEON=8")
-elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "armv7")
+  elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "armv7")
     message(STATUS "Adding armv7 specific flags")
     set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${COMMON_FLAGS}")
-elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "aarch64")
+  elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "aarch64")
     message(STATUS "Adding aarch64 specific flags")
     set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${COMMON_FLAGS} -DIS_64BIT -DNO_PREFETCH")
+  endif()
+
+  set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -O0 -g")
+
+  set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -O3 -DNDEBUG")
 endif()
 
-set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -O0 -g")
-
-set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -O3 -DNDEBUG")
-
 
 set(NNUE_NAME nn-5af11540bbfe.nnue)