Subversion Repositories openrisc

AC_DEFUN([AC_LIB_ANTLR],[

  AC_MSG_CHECKING([for the ANTLR parser generator JAR file])

  if test -z "$ANTLR_JAR"; then

    for antlr_lib_home in `ls -d /usr/local/share/antlr* 2> /dev/null` \

        /usr/share/antlr/lib /usr/share/java /usr/lib;

        do

            if test -f "$antlr_lib_home/antlr.jar"; then

              ANTLR_JAR="$antlr_lib_home/antlr.jar"

              break

            fi

     done

  fi

  test -f $ANTLR_JAR || AC_MSG_ERROR([specified ANTLR jar file $ANTLR_JAR not found.]) \

        && AC_MSG_RESULT([$ANTLR_JAR])

  AC_SUBST(ANTLR_JAR)

  AC_PROVIDE([$0])dnl

])

AC_DEFUN([AC_PROG_ANTLR],[

  AC_REQUIRE([AC_PROG_JAVA])dnl

  AC_CHECK_TOOLS([ANTLR], [cantlr runantlr antlr])

  if test "x$ANTLR" = x; then

      if test -z "$JAVA"; then

        AC_MSG_ERROR(Failed to find either an antlr binary or a suitable Java runtime for ANTLR.)

      else

        if test -z "$ANTLR_JAR"; then

          AC_MSG_ERROR(Failed to find either an antlr binary or a suitable antlr jar file.)

        else

          ANTLR="$JAVA -classpath $ANTLR_JAR antlr.Tool"

        fi

      fi

  fi

  AC_SUBST(ANTLR)

  AC_MSG_CHECKING([for antlr $1.$2.$3 or better])

  antlr_version_str=`$ANTLR 2>&1 | head -n 1 | sed '/.*Version */!d; s///;q'`

  if test "$antlr_version_str"; then

    antlr_version_regex='s/\([[[:digit:]]]\+\)\.\([[[:digit:]]]\+\)\.\([[[:digit:]]]\+\).*$/'

    antlr_version_major=`echo $antlr_version_str | sed "$antlr_version_regex\\1/"`

    antlr_version_minor=`echo $antlr_version_str | sed "$antlr_version_regex\\2/"`

    antlr_version_micro=`echo $antlr_version_str | sed "$antlr_version_regex\\3/"`

    (test $antlr_version_major -gt $1 || \

    (test $antlr_version_major -eq $1 && \

     test $antlr_version_minor -gt $2) || \

    (test $antlr_version_major -eq $1 && \

     test $antlr_version_minor -eq $2 && \

     test $antlr_version_micro -ge $3))

  fi

  AC_MSG_RESULT($antlr_version_major.$antlr_version_minor.$antlr_version_micro)

])