[CMAKE] Require ARCH variable to be specified explicitly

[reactos.git] / toolchain-clang.cmake

diff --git a/toolchain-clang.cmake b/toolchain-clang.cmake
index e181bf0..e06a411 100644 (file)
--- a/toolchain-clang.cmake
+++ b/toolchain-clang.cmake
@@ -1,12 +1,11 @@
 
-if(NOT ARCH)
-    set(ARCH i386)
-endif()
-
 if(DEFINED ENV{_ROSBE_ROSSCRIPTDIR})
     set(CMAKE_SYSROOT $ENV{_ROSBE_ROSSCRIPTDIR}/$ENV{ROS_ARCH})
 endif()
 
+# pass variables necessary for the toolchain (needed for try_compile)
+set(CMAKE_TRY_COMPILE_PLATFORM_VARIABLES ARCH CLANG_VERSION)
+
 # The name of the target operating system
 set(CMAKE_SYSTEM_NAME Windows)
 # The processor we are targeting
@@ -17,7 +16,7 @@ elseif (ARCH STREQUAL "amd64")
 elseif(ARCH STREQUAL "arm")
     set(CMAKE_SYSTEM_PROCESSOR arm)
 else()
-    message(ERROR "Unsupported ARCH: ${ARCH}")
+    message(FATAL_ERROR "Unsupported ARCH: ${ARCH}")
 endif()
 
 if (DEFINED CLANG_VERSION)