From db1eefcc740a01fdc06dae50b51409e53c66ad01 Mon Sep 17 00:00:00 2001
From: Damien Mehala <damien.mehala@datadoghq.com>
Date: Tue, 12 Nov 2024 21:12:07 +0100
Subject: [PATCH] build: support clang-cl compiler

---
 CMakeLists.txt            | 2 +-
 cmake/compiler/msvc.cmake | 4 ----
 2 files changed, 1 insertion(+), 5 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 8d4cab5f..6f947b3e 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -53,7 +53,7 @@ unset(DD_TRACE_VERSION_CPP_CONTENTS)
 
 message(STATUS "dd-trace-cpp transport=${DD_TRACE_TRANSPORT}")
 
-if (CMAKE_CXX_COMPILER_ID STREQUAL "MSVC")
+if (CMAKE_CXX_COMPILER_ID STREQUAL "MSVC" OR (CMAKE_CXX_COMPILER_ID STREQUAL "Clang" AND CMAKE_CXX_COMPILER_FRONTEND_VARIANT MATCHES "MSVC"))
   if (BUILD_SHARED_LIBS AND BUILD_STATIC_LIBS)
     message(FATAL_ERROR "Can't build both static and shared libary for MSVC")
   endif ()
diff --git a/cmake/compiler/msvc.cmake b/cmake/compiler/msvc.cmake
index 6b836423..f20e3a20 100644
--- a/cmake/compiler/msvc.cmake
+++ b/cmake/compiler/msvc.cmake
@@ -37,10 +37,6 @@ if (DD_TRACE_STATIC_CRT)
   set(CMAKE_MSVC_RUNTIME_LIBRARY "MultiThreaded$<$<CONFIG:Debug>:Debug>")
   set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} /MT")
   set(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} /MTd")
-  # set_target_properties(dd_trace_cpp-specs
-  #   PROPERTIES
-  #     MSVC_RUNTIME_LIBRARY  "MultiThreaded$<$<CONFIG:Debug>:Debug>"
-  # )
 endif ()
 
 target_compile_options(dd_trace_cpp-specs