source: m4/ax_log4cxx.m4@ 5002

# SYNOPSIS

#

#   AX_LOG4CXX()

#

# DESCRIPTION

#

#   Check installation of Apache C++ logging library log4cxx, version

#   0.10.0 or greater.

#   

#

# LAST MODIFICATION

#

#   2008-12-11



AC_DEFUN([AX_LOG4CXX],

[

  AC_LANG_PUSH([C++])



  AC_CHECK_HEADERS([[log4cxx/logger.h]],,

    [AC_MSG_ERROR([Could not find log4cxx headers (http://logging.apache.org/log4cxx/index.html)])

  ])



  AC_MSG_CHECKING([log4cxx library files (version >=0.10.0)])



  dnl Save old $LIBS to eventually restore it.

  ax_log4cxx_save_libs="$LIBS"

  LIBS="$LIBS -llog4cxx"

  

  AC_LINK_IFELSE([AC_LANG_PROGRAM(

    [[

#include <log4cxx/logger.h>

#include <log4cxx/basicconfigurator.h>

    ]], [

    log4cxx::BasicConfigurator::configure();

    log4cxx::LoggerPtr logger = log4cxx::Logger::getRootLogger();

    logger->setLevel(log4cxx::Level::getDebug());

    LOG4CXX_INFO(logger, "Simple message text.");])],

    dnl Success

    AC_MSG_RESULT(yes)

    [LIBS="-llog4cxx $LIBS"]

    AC_DEFINE(HAVE_LIBLOG4CXX, [1], "Define to 1 if you have log4cxx library installed")

    , dnl failed

    AC_MSG_RESULT(no)

    AC_MSG_FAILURE([[Could not find log4cxx library.

Version 0.10.0 or greater is required.

(http://logging.apache.org/log4cxx/index.html)]])

    dnl restore old lib state

    LIBS="$ax_log4cxx_save_libs")

    

  AC_LANG_POP

])