dnl $Id$
dnl config.m4 for extension pdlib

dnl Comments in this file start with the string 'dnl'.
dnl Remove where necessary. This file will not work
dnl without editing.

dnl If your extension references something external, use with:

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

if test "$PHP_PDLIB" != "no"; then
  dnl using C++11
  CXXFLAGS="-std=c++11"
  PHP_REQUIRE_CXX()
  PHP_ADD_LIBRARY(stdc++, 1, DLIB_SHARED_LIBADD)
  PHP_SUBST(DLIB_SHARED_LIBADD)

  pdlib_src_files="pdlib.cc \
  src/face_detection.cc"

  AC_MSG_CHECKING(for pkg-config)
  if test ! -f "$PKG_CONFIG"; then
        PKG_CONFIG=`which pkg-config`
  fi

  if test -x "$PKG_CONFIG" && $PKG_CONFIG --exists dlib-1; then
     if $PKG_CONFIG dlib-1 --atleast-version 19.00; then
        LIBDLIB_CFLAGS=`$PKG_CONFIG dlib-1 --cflags`
        LIBDLIB_LIBDIR=`$PKG_CONFIG dlib-1 --libs`
        LIBDLIB_VERSON=`$PKG_CONFIG dlib-1 --modversion`
        AC_MSG_RESULT(from pkgconfig: dlib version $LIBDLIB_VERSON)
     else
        AC_MSG_ERROR(system dlib is too old: version 19.00 required)
     fi
  else
     AC_MSG_ERROR(pkg-config not found)
  fi
  PHP_EVAL_LIBLINE($LIBDLIB_LIBDIR, DLIB_SHARED_LIBADD)
  PHP_EVAL_INCLINE($LIBDLIB_CFLAGS)

  PHP_NEW_EXTENSION(pdlib, $pdlib_src_files, $ext_shared,, -DZEND_ENABLE_STATIC_TSRMLS_CACHE=1)
fi