--- a/cmake/admDetermineSystem.cmake
+++ b/cmake/admDetermineSystem.cmake
@@ -88,7 +88,7 @@ IF(NOT MSVC)
         ENDIF (X86_64_SUPPORTED)
 
         IF (NOT ADM_CPU_X86_32 AND NOT ADM_CPU_X86_64 AND NOT ADM_CPU_ARMEL AND NOT ADM_CPU_ARM64 AND NOT ADM_CPU_RISCV AND NOT ADM_CPU_RISCV_64)
-	        MESSAGE(FATAL_ERROR "CPU not supported")
+	        MESSAGE(STATUS "WARNING: CPU not supported")
         ENDIF (NOT ADM_CPU_X86_32 AND NOT ADM_CPU_X86_64 AND NOT ADM_CPU_ARMEL AND NOT ADM_CPU_ARM64 AND NOT ADM_CPU_RISCV AND NOT ADM_CPU_RISCV_64)
 
         TEST_BIG_ENDIAN(CMAKE_WORDS_BIGENDIAN)