PHP_ARG_WITH(openssl,for OpenSSL support in SNMP,
[  --with-openssl[=DIR]    Include OpenSSL support in SNMP.])

AC_DEFUN(PHP_SETUP_OPENSSL,[
  for i in /usr/local/ssl /usr/local /usr /usr/local/openssl $PHP_OPENSSL; do
    if test -r $i/include/openssl/evp.h; then
      OPENSSL_DIR=$i
      OPENSSL_INC=$i/include/openssl
    elif test -r $i/include/evp.h; then
      OPENSSL_DIR=$i
      OPENSSL_INC=$i/include
    fi
  done

  if test -z "$OPENSSL_DIR"; then
    AC_MSG_ERROR(Cannot find OpenSSL's <evp.h>)
  fi

  AC_ADD_LIBPATH($OPENSSL_DIR/lib, SNMP_SHARED_LIBADD)
  AC_ADD_LIBRARY(ssl, yes, SNMP_SHARED_LIBADD)
  AC_ADD_LIBRARY(crypto, yes, SNMP_SHARED_LIBADD)
  AC_ADD_INCLUDE($OPENSSL_INC)
])

PHP_ARG_WITH(snmp,for SNMP support,
[  --with-snmp[=DIR]       Include SNMP support.  DIR is the SNMP base
                          install directory, defaults to searching through
                          a number of common locations for the snmp install.
                          Set DIR to "shared" to build as a dl, or "shared,DIR"
                          to build as a dl and still specify DIR.])

  if test "$PHP_SNMP" != "no"; then
    if test "$PHP_SNMP" = "yes"; then
      SNMP_INCDIR=/usr/local/include
      SNMP_LIBDIR=/usr/local/lib
      test -f /usr/local/include/ucd-snmp/snmp.h && SNMP_INCDIR=/usr/local/include/ucd-snmp
	  test -f /usr/include/ucd-snmp/snmp.h && SNMP_INCDIR=/usr/include/ucd-snmp
	  test -f /usr/include/snmp/snmp.h && SNMP_INCDIR=/usr/include/snmp
	  test -f /usr/include/snmp/include/ucd-snmp/snmp.h && SNMP_INCDIR=/usr/include/snmp/include/ucd-snmp
	  test -f /usr/lib/libsnmp.a && SNMP_LIBDIR=/usr/lib
	  test -f /usr/lib/libsnmp.so && SNMP_LIBDIR=/usr/lib
	  test -f /usr/local/lib/libsnmp.a && SNMP_LIBDIR=/usr/local/lib
	  test -f /usr/local/lib/libsnmp.so && SNMP_LIBDIR=/usr/local/lib
	  test -f /usr/local/snmp/lib/libsnmp.a && SNMP_LIBDIR=/usr/local/snmp/lib
	  test -f /usr/local/snmp/lib/libsnmp.so && SNMP_LIBDIR=/usr/local/snmp/lib
    else
      SNMP_INCDIR=$PHP_SNMP/include
      test -d $PHP_SNMP/include/ucd-snmp && SNMP_INCDIR=$withval/include/ucd-snmp
      SNMP_LIBDIR=$PHP_SNMP/lib
    fi
    AC_DEFINE(HAVE_SNMP,1,[ ])
    AC_ADD_INCLUDE($SNMP_INCDIR)
    AC_ADD_LIBRARY_WITH_PATH(snmp, $SNMP_LIBDIR, SNMP_SHARED_LIBADD)
	old_CPPFLAGS="$CPPFLAGS"
	CPPFLAGS="$INCLUDES $CPPFLAGS"
	AC_CHECK_HEADERS(default_store.h)
	if test "$ac_cv_header_default_store_h" = "yes"; then
		dnl UCD SNMP 4.1.x
		AC_TRY_RUN([
#include <ucd-snmp-config.h>
main() { exit(USE_OPENSSL != 1); }
		],[
			SNMP_SSL=yes
		],[
			SNMP_SSL=no
		],[
			SNMP_SSL=no
		])
		if test "$SNMP_SSL" = "yes"; then
			PHP_SETUP_OPENSSL
		fi
	fi
	CPPFLAGS="$old_CPPFLAGS"
	PHP_EXTENSION(snmp,$ext_shared)
	PHP_SUBST(SNMP_SHARED_LIBADD)
	AC_CHECK_LIB(kstat, kstat_read, [
	  AC_ADD_LIBRARY(kstat,SNMP_SHARED_LIBADD)
        ])
    SNMP_INCLUDE="-I$SNMP_INCDIR"
  fi
PHP_SUBST(SNMP_LIBDIR)
PHP_SUBST(SNMP_INCLUDE)
PHP_SUBST(KSTAT_LIBS)

AC_MSG_CHECKING(whether to enable UCD SNMP hack)
AC_ARG_ENABLE(ucd-snmp-hack,
[  --enable-ucd-snmp-hack  Enable UCD SNMP hack],[
  if test "$enableval" = "yes" ; then
    AC_DEFINE(UCD_SNMP_HACK, 1, [ ])
    AC_MSG_RESULT(yes)
  else
    AC_MSG_RESULT(no)
  fi
],[
  AC_MSG_RESULT(no)
])