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path: root/ext/snmp/config.m4
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dnl
dnl $Id$
dnl

PHP_ARG_WITH(snmp,for SNMP support,
[  --with-snmp[=DIR]       Include SNMP support.])

if test "$PHP_SNMP" != "no"; then

  dnl
  dnl Try net-snmp first
  dnl
  if test "$PHP_SNMP" = "yes"; then
    AC_PATH_PROG(SNMP_CONFIG,net-snmp-config,,[/usr/local/bin:$PATH])
  else
    SNMP_CONFIG="$PHP_SNMP/bin/net-snmp-config"
  fi

  if test -x "$SNMP_CONFIG"; then
    SNMP_LIBS=`$SNMP_CONFIG --netsnmp-libs`
    SNMP_LIBS="$SNMP_LIBS `$SNMP_CONFIG --external-libs`"
    SNMP_PREFIX=`$SNMP_CONFIG --prefix`

    if test -n "$SNMP_LIBS" && test -n "$SNMP_PREFIX"; then
      PHP_ADD_INCLUDE(${SNMP_PREFIX}/include)
      PHP_EVAL_LIBLINE($SNMP_LIBS, SNMP_SHARED_LIBADD)
      AC_DEFINE(HAVE_NET_SNMP,1,[ ])
      SNMP_LIBNAME=netsnmp
    else
      AC_MSG_ERROR([Could not find the required paths. Please check your net-snmp installation.])
    fi
  else 

    dnl
    dnl Try ucd-snmp if net-snmp test failed
    dnl

    if test "$PHP_SNMP" = "yes"; then
      for i in /usr/include /usr/local/include; do
        test -f $i/snmp.h                       && SNMP_INCDIR=$i
        test -f $i/ucd-snmp/snmp.h              && SNMP_INCDIR=$i/ucd-snmp
        test -f $i/snmp/snmp.h                  && SNMP_INCDIR=$i/snmp
        test -f $i/snmp/include/ucd-snmp/snmp.h && SNMP_INCDIR=$i/snmp/include/ucd-snmp
      done
      for i in /usr /usr/snmp /usr/local /usr/local/snmp; do
        test -f $i/lib/libsnmp.a -o -f $i/lib/libsnmp.$SHLIB_SUFFIX_NAME && SNMP_LIBDIR=$i/lib
      done
    else
      SNMP_INCDIR=$PHP_SNMP/include
      test -d $PHP_SNMP/include/ucd-snmp && SNMP_INCDIR=$PHP_SNMP/include/ucd-snmp
      SNMP_LIBDIR=$PHP_SNMP/lib
    fi

    if test -z "$SNMP_INCDIR"; then
      AC_MSG_ERROR(snmp.h not found. Check your SNMP installation.)
    elif test -z "$SNMP_LIBDIR"; then
      AC_MSG_ERROR(libsnmp not found. Check your SNMP installation.)
    fi

    old_CPPFLAGS=$CPPFLAGS
    CPPFLAGS=-I$SNMP_INCDIR
    AC_CHECK_HEADERS(default_store.h)
    if test "$ac_cv_header_default_store_h" = "yes"; then
      AC_MSG_CHECKING(for OpenSSL support in SNMP libraries)
      AC_EGREP_CPP(yes,[
#include <ucd-snmp-config.h>
#if USE_OPENSSL
        yes
#endif
      ],[
        SNMP_SSL=yes
      ],[
        SNMP_SSL=no
      ])
    fi
    CPPFLAGS=$old_CPPFLAGS
    AC_MSG_RESULT($SNMP_SSL)
  
    if test "$SNMP_SSL" = "yes"; then
      if test "$PHP_OPENSSL" != "no"; then
        PHP_ADD_LIBRARY(ssl,   1, SNMP_SHARED_LIBADD)
        PHP_ADD_LIBRARY(crypto,1, SNMP_SHARED_LIBADD)
      else
        AC_MSG_ERROR(The UCD-SNMP in this system is built with SSL support. 

        Add --with-openssl<=DIR> to your configure line.)
      fi
    fi

    AC_CHECK_LIB(kstat, kstat_read, [ PHP_ADD_LIBRARY(kstat,,SNMP_SHARED_LIBADD) ])
    PHP_ADD_INCLUDE($SNMP_INCDIR)
    PHP_ADD_LIBRARY_WITH_PATH(snmp, $SNMP_LIBDIR, SNMP_SHARED_LIBADD)
    SNMP_LIBNAME=snmp
  fi

  AC_CHECK_FUNCS(snmp_parse_oid)

  PHP_CHECK_LIBRARY($SNMP_LIBNAME, init_snmp,
  [
    AC_DEFINE(HAVE_SNMP,1,[ ])
  ], [
    AC_MSG_ERROR([SNMP sanity check failed. Please check config.log for more information.])
  ], [
    $SNMP_SHARED_LIBADD
  ])

  PHP_NEW_EXTENSION(snmp, snmp.c, $ext_shared)
  PHP_SUBST(SNMP_SHARED_LIBADD)
fi


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)
])