[reactos] 01/01: [CMAKE/CLANG-CL] Force clang-cl's identity to be MSVC instead of the default Clang one as the latter results in skipping several MSVC related CMake checks/tasks. CORE-11799

[Amine Khaldi]

https://git.reactos.org/?p=reactos.git;a=commitdiff;h=10f300697837981be3d280...

commit 10f300697837981be3d2807c15eced3c3afcdc19
Author: Amine Khaldi [e-mail]
AuthorDate: Fri Nov 24 12:01:43 2017 +0100

[CMAKE/CLANG-CL] Force clang-cl's identity to be MSVC instead of the default Clang one as the latter results in skipping several MSVC related CMake checks/tasks. CORE-11799
---
 toolchain-msvc.cmake | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/toolchain-msvc.cmake b/toolchain-msvc.cmake
index 6028e61493..c94493bf7d 100644
--- a/toolchain-msvc.cmake
+++ b/toolchain-msvc.cmake
@@ -14,8 +14,15 @@ set(CMAKE_SYSTEM_NAME Windows)
 set(CMAKE_SYSTEM_PROCESSOR i686)

# which compilers to use for C and C++
+# clang-cl gets detected as "Clang" instead of "MSVC" so we force it here
 if(USE_CLANG_CL)
-    set(CMAKE_C_COMPILER clang-cl)
+    include(CMakeForceCompiler)
+    CMAKE_FORCE_C_COMPILER(clang-cl MSVC)
+    set(CMAKE_C_COMPILER_VERSION "16.00.40219.01")
+    if(ARCH STREQUAL "i386")
+        set(MSVC_C_ARCHITECTURE_ID "X86")
+    endif()
+    include(${CMAKE_ROOT}/Modules/CMakeClDeps.cmake)
 else()
     set(CMAKE_C_COMPILER cl)
 endif()
@@ -25,7 +32,8 @@ if(ARCH STREQUAL "arm")
     CMAKE_FORCE_CXX_COMPILER(cl MSVC)
 else()
     if(USE_CLANG_CL)
-        set(CMAKE_CXX_COMPILER clang-cl)
+        include(CMakeForceCompiler)
+        CMAKE_FORCE_CXX_COMPILER(clang-cl MSVC)
     else()
         set(CMAKE_CXX_COMPILER cl)
     endif()