CMAKE_OPTIONS=""
-CMAKE_OPTIONS=$CMAKE_OPTIONS" -DCMAKE_INSTALL_PREFIX:STRING=${PRODUCT_INSTALL}"
-CMAKE_OPTIONS=$CMAKE_OPTIONS" -DENABLE_ACIS=0"
-CMAKE_OPTIONS=$CMAKE_OPTIONS" -DENABLE_BUILD_SHARED=1"
-CMAKE_OPTIONS=$CMAKE_OPTIONS" -DENABLE_FLTK=0"
-CMAKE_OPTIONS=$CMAKE_OPTIONS" -DENABLE_MED=0"
-CMAKE_OPTIONS=$CMAKE_OPTIONS" -DENABLE_ONELAB_METAMODEL=0"
-CMAKE_OPTIONS=$CMAKE_OPTIONS" -DENABLE_PARSER=0"
-CMAKE_OPTIONS=$CMAKE_OPTIONS" -DENABLE_SALOME=0"
-CMAKE_OPTIONS=$CMAKE_OPTIONS" -DENABLE_PETSC:BOOL=OFF" #pour éviter de tirer sur MPI
+CMAKE_OPTIONS+=" -DCMAKE_INSTALL_PREFIX:STRING=${PRODUCT_INSTALL}"
+CMAKE_OPTIONS+=" -DENABLE_ACIS=0"
+CMAKE_OPTIONS+=" -DENABLE_BUILD_SHARED=1"
+CMAKE_OPTIONS+=" -DENABLE_FLTK=0"
+CMAKE_OPTIONS+=" -DENABLE_MED=0"
+CMAKE_OPTIONS+=" -DENABLE_ONELAB_METAMODEL=0"
+CMAKE_OPTIONS+=" -DENABLE_PARSER=0"
+CMAKE_OPTIONS+=" -DENABLE_SALOME=0"
+CMAKE_OPTIONS+=" -DENABLE_PETSC:BOOL=OFF" #pour éviter de tirer sur MPI
cmake $CMAKE_OPTIONS $SOURCE_DIR