configure.in

实现非阻塞方式IO(NBIO)的java类

AC_INIT(nbio.c)
AC_CANONICAL_HOST

echo "HOST OS IS $host_os"
echo "HOST CPU IS $host_cpu"

case $host_os in
    solaris*)   PLATFORM=solaris;;
    linux-*)    PLATFORM=linux;;
esac
AC_SUBST(PLATFORM)

# See if /dev/poll and devpoll.h exist
AC_CHECK_FILE(/dev/poll, AC_CHECK_HEADER(sys/devpoll.h, AC_DEFINE(HAS_DEVPOLL)))

# Determine JDK installation directory
AC_MSG_CHECKING(Installation path of JDK)
AC_ARG_WITH(jdk,
        [  --with-jdk              JDK installation directory ],
        [ ac_cv_java_home=${with_jdk} ],
        [ IFS="${IFS=   }"; ac_save_ifs="$IFS"; IFS=":"
  ac_dummy="$PATH"
  for ac_dir in $ac_dummy; do
    test -z "$ac_dir" && ac_dir=.
    if test -f $ac_dir/java; then
      ac_cv_prog_java="$ac_dir/java"
      break
    fi
  done
  IFS="$ac_save_ifs"
  ac_cv_java_home=`echo $ac_cv_prog_java | sed 's+/bin/java$++'` ])
AC_MSG_RESULT($ac_cv_java_home)
JAVA_HOME=$ac_cv_java_home
AC_SUBST(JAVA_HOME)

AC_OUTPUT(Makefile.here)