Support msvc build CMake (#233)

Author: sora-mono

CMakeLists.txt

@@ -54,7 +54,19 @@ if(WIN32)
     set(CMAKE_MSVC_RUNTIME_LIBRARY "MultiThreadedDLL")
 endif()
 
-set(CLICE_CXX_FLAGS "-fno-rtti;-fno-exceptions;-Wno-deprecated-declarations;-Wno-undefined-inline;")
+if (MSVC)
+    # Remove any RTTI or exception enabling flags from CMAKE_CXX_FLAGS
+    string(REPLACE "/EHsc" "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
+    string(REPLACE "/GR" "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
+    
+    # Fix MSVC Non-standard preprocessor caused error C1189
+    # While compiling Command.cpp, MSVC won't expand Options macro correctly
+    # Output: D:\Desktop\code\clice\build\.packages\l\llvm\20.1.5\cc2aa9f1d09a4b71b6fa3bf0011f6387\include\clang/Driver/Options.inc(3590): error C2365: “clang::driver::options::OPT_”: redefinition; previous definition was 'enumerator'
+    set(CLICE_CXX_FLAGS "/GR-;/EHsc-;/Zc:preprocessor;")
+else()
+    set(CLICE_CXX_FLAGS "-fno-rtti;-fno-exceptions;-Wno-deprecated-declarations;-Wno-undefined-inline;")
+endif()
+
 set(CLICE_LINKER_FLAGS "")
 
 if(CLICE_USE_LIBCXX)
@@ -68,9 +80,12 @@ if(CMAKE_BUILD_TYPE STREQUAL "Debug")
     list(APPEND CLICE_CXX_FLAGS "-g;-O0;-fsanitize=address")
     list(APPEND CLICE_LINKER_FLAGS "-fsanitize=address")
 elseif(CMAKE_BUILD_TYPE STREQUAL "RelWithDebInfo")
-    message(STATUS "RelWithDebInfo build: Enabling -fsanitize=thread")
-    list(APPEND CLICE_CXX_FLAGS "-fsanitize=thread")
-    list(APPEND CLICE_LINKER_FLAGS "-fsanitize=thread")
+    if(NOT MSVC)
+        # MSVC only supports ASAN
+        message(STATUS "RelWithDebInfo build: Enabling -fsanitize=thread")
+        list(APPEND CLICE_CXX_FLAGS "-fsanitize=thread")
+        list(APPEND CLICE_LINKER_FLAGS "-fsanitize=thread")
+    endif()
 else()
     message(STATUS "Release/Default build: Enabling -O3")
     list(APPEND CLICE_CXX_FLAGS "-O3")

cmake/llvm_setup.cmake

@@ -123,7 +123,7 @@ function(install_prebuilt_llvm llvm_ver)
     # Determine platform-specific package name
     if(CMAKE_BUILD_TYPE STREQUAL "Debug")
         set(LLVM_BUILD_TYPE "debug")
-    elseif(CMAKE_BUILD_TYPE STREQUAL "Release")
+    elseif(CMAKE_BUILD_TYPE STREQUAL "Release" OR CMAKE_BUILD_TYPE STREQUAL "RelWithDebInfo")
         set(LLVM_BUILD_TYPE "release")
     else()
         set(LLVM_BUILD_TYPE "release-lto")