PHP_ARG_ENABLE(arma,           for armadillo support,
[  --enable-arma            Enable armadillo support])

PHP_ARG_ENABLE(arma-operators, for operator overloading support in armadillo,
[  --enable-arma-operators  Enable operator overloading for armadillo ], no, no)

if test "$PHP_ARMA" != "no"; then
  PHP_REQUIRE_CXX()

  EXTRA_CXXFLAGS="-std=c++17"
  CLANG_TEST_STR=`$CXX --version | grep clang`
  if test -n "$CLANG_TEST_STR"; then
    EXTRA_CXXFLAGS+=" -Wno-undefined-var-template -Wno-deprecated-declarations"
  fi

  OPERATORS_SRC="src/operators.cc"
  ARMA_SRC=`ls -1d src/*.cc | grep -v $OPERATORS_SRC`

  if test "$PHP_ARMA_OPERATORS" != "no"; then
    AC_DEFINE(PHP_ARMA_OPERATORS, 1, [ Defined if operator overloading is enabled for armadillo. ])
    ARMA_SRC+=" $OPERATORS_SRC"
  fi

  PHP_NEW_EXTENSION(arma, $ARMA_SRC, $ext_shared, , $EXTRA_CXXFLAGS)

  PHP_ADD_LIBRARY(armadillo, 1, ARMA_SHARED_LIBADD)
  PHP_SUBST(ARMA_SHARED_LIBADD)
fi