Force MSYS not to look for oneTBB

CMake/msys2.cmake

@@ -17,3 +17,8 @@
 SET(CMAKE_GENERATOR "MSYS Makefiles" CACHE INTERNAL "" FORCE)
 SET(WAVES_USE_MKL    OFF CACHE BOOL "" FORCE)
 SET(WAVES_USE_MUMPS  OFF CACHE BOOL "" FORCE)
+
+# Prevent CMake to find TBB from oneAPI (so that it can find TBB from MSYS) 
+IF(DEFINED ENV{ONEAPI_ROOT})
+    UNSET(ENV{ONEAPI_ROOT})
+ENDIF()