if test -z "$PHP_DEBUG"; then
    AC_ARG_ENABLE(debug,
    [   --enable-debug          compile with debugging symbols],[
        PHP_DEBUG=$enableval
    ],[ PHP_DEBUG=no
    ])
fi

PHP_ARG_WITH(pdlib, for pdlib support,
dnl Make sure that the comment is aligned:
[  --with-pdlib             Include pdlib support])

PHP_REQUIRE_CXX()
PHP_ADD_LIBRARY(stdc++, 1, PDLIB_SHARED_LIBADD)
PHP_ADD_LIBRARY(openblas, 1, PDLIB_SHARED_LIBADD)
PHP_ADD_LIBRARY(lapack, 1, PDLIB_SHARED_LIBADD)
PHP_ADD_LIBRARY(png, 1, PDLIB_SHARED_LIBADD)
PHP_SUBST(PDLIB_SHARED_LIBADD)

PHP_ADD_INCLUDE(PHP_EXT_SRCDIR()/dlib)

pdlib_src_files="pdlib.cc \
dlib/dlib/all/source.cpp \
src/chinese_whispers.cc \
src/face_detection.cc \
src/face_landmark_detection.cc \
src/face_recognition.cc \
src/cnn_face_detection.cc \
src/vector.cc"

dnl using C++11
CXXFLAGS="-g -O3 -march=native"

PHP_NEW_EXTENSION(pdlib, $pdlib_src_files, $ext_shared,, -DZEND_ENABLE_STATIC_TSRMLS_CACHE=1 -DDLIB_NO_GUI_SUPPORT=1 -DDLIB_USE_BLAS -DDLIB_USE_LAPACK -DDLIB_PNG_SUPPORT, cxx)

AC_CONFIG_COMMANDS_POST([
  echo ""
  echo "Build configuration for PDlib v1.1.0 done correctly."
  echo ""
  echo "  dlib version: $LIBDLIB_VERSON"
  echo ""
  echo "  CXXFLAGS    : $CXXFLAGS"
  echo "  LDFLAGS     : $LDFLAGS"
  echo "  LIBDIR:     : $LIBDLIB_LIBDIR"
  echo "  LIBADD:     : $PDLIB_SHARED_LIBADD"
  echo ""
  echo "Please submit bug reports at:"
  echo "  https://github.com/goodspb/pdlib/issues"
  echo ""
])