# Optionally specify location of Eigen2 using the 
# EIGEN2DIR env. variable
EIGEN2_DIR = $$(EIGEN2DIR)
!isEmpty(EIGEN2_DIR) {
  INCLUDEPATH += $$EIGEN2_DIR
}
else {
  CONFIG(mingw-cross-env) {
    INCLUDEPATH += mingw-cross-env/include/eigen2
  } else {
    freebsd-g++: INCLUDEPATH += /usr/local/include/eigen2
    macx: INCLUDEPATH += /opt/local/include/eigen2
    !macx:!freebsd-g++:INCLUDEPATH += /usr/include/eigen2
  }
}