[llvm] [libsycl][NFC] Move the cmake msvc DLL check (PR #193485)

[Sergey Semenov via llvm-commits]

https://github.com/sergey-semenov updated https://github.com/llvm/llvm-project/pull/193485

>From 5f0af705d90bfc30d28c278472ab1c96c934027b Mon Sep 17 00:00:00 2001
From: Sergey Semenov <sergey.semenov at intel.com>
Date: Wed, 22 Apr 2026 05:02:51 -0700
Subject: [PATCH] [libsycl][NFC] Move the cmake msvc DLL check

Addresses a review comment from
https://github.com/llvm/llvm-project/pull/188770
---
 libsycl/CMakeLists.txt | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/libsycl/CMakeLists.txt b/libsycl/CMakeLists.txt
index ae3fd4359c3f2..4636f6743b33e 100644
--- a/libsycl/CMakeLists.txt
+++ b/libsycl/CMakeLists.txt
@@ -16,12 +16,17 @@ set(CMAKE_CXX_EXTENSIONS OFF)
 # Limitations
 #===============================================================================
 
-if (CMAKE_SYSTEM_NAME STREQUAL Windows AND NOT MSVC)
+if (CMAKE_SYSTEM_NAME STREQUAL Windows)
 # Build with other compilers is not configured, not guaranteed and not tested.
+  if (NOT MSVC)
     message(FATAL_ERROR
       "When compiling for Windows, libsycl requires a"
       " version of Microsoft Visual C++ or another compiler"
       " that uses the Visual C++ cl command-line syntax.")
+  endif()
+  if (CMAKE_MSVC_RUNTIME_LIBRARY AND (NOT CMAKE_MSVC_RUNTIME_LIBRARY MATCHES "DLL$"))
+      message(FATAL_ERROR "libsycl requires a DLL version of the MSVC CRT.")
+  endif()
 endif()
 
 #===============================================================================
@@ -119,9 +124,6 @@ install(DIRECTORY "${LIBSYCL_SOURCE_INCLUDE_DIR}/CL" DESTINATION ${LIBSYCL_INCLU
 set(LIBSYCL_LIB_NAME "LLVMSYCL")
 set(LIBSYCL_SHARED_OUTPUT_NAME "${LIBSYCL_LIB_NAME}")
 if (CMAKE_SYSTEM_NAME STREQUAL Windows)
-  if (CMAKE_MSVC_RUNTIME_LIBRARY AND (NOT CMAKE_MSVC_RUNTIME_LIBRARY MATCHES "DLL$"))
-      message(FATAL_ERROR "libsycl requires a DLL version of the MSVC CRT.")
-  endif()
   if ((NOT CMAKE_MSVC_RUNTIME_LIBRARY AND uppercase_CMAKE_BUILD_TYPE STREQUAL "DEBUG")
       OR (CMAKE_MSVC_RUNTIME_LIBRARY STREQUAL "MultiThreadedDebugDLL"))
     set(LIBSYCL_SHARED_OUTPUT_NAME "${LIBSYCL_SHARED_OUTPUT_NAME}d")