source: trunk/m4/ant.m4 @ 704

# Copyright (c) 2005-2008 David Carter <dcarter@arm4.org> and others.
# All rights reserved.   This program and the accompanying materials
# are made available under the terms of the Eclipse Public License v1.0
# which accompanies this distribution, and is available at
# http://www.eclipse.org/legal/epl-v10.html

# Macros to check the version for the ant java build system
AC_DEFUN([ARM4_VERSION_ANT],
[
  min_ant_version=ifelse([$1], ,1.6,$1)
  ANT=""
  AC_ARG_WITH(ant,
  [  --with-ant=PATH         prefix for installed ant build manager],
  [
    ant_found="no"
    ant_root=""
    if test "$withval" = "no" || test "$withval" = "yes"; then
      AC_MSG_ERROR([--with-ant requires the full path to the ant program])
    fi

    if test "$ant_found" != "yes" && test -x "$withval" > /dev/null 2>&1 ; then
      ant_found="yes"
      ANT="$withval"
    fi

    dnl if --with-ant is used, it is a fatal error for its argument
    dnl to be invalid
    if test "$ant_found" != "yes"; then
      AC_MSG_ERROR([the --with-ant parameter is incorrect. It must specify the location of the ant executable.])
    fi
  ],[
    AC_PATH_PROG(ANT, ant, no)
    AC_MSG_CHECKING(for ant - version >= $min_ant_version)
    no_ant=""
    if test "$ANT" = "no" ; then
      no_ant=yes
    else
      ant_major_version=`$ANT -version | \
           grep Ant | \
           awk '{print \[$]4}' | cut -d . -f 1`
      if test "x${ant_major_version}" = "x" ; then
         ant_major_version=0
      fi

      ant_minor_version=`$ANT -version | \
           grep Ant | \
           awk '{print \[$]4}' | cut -d . -f 2`
      if test "x${ant_minor_version}" = "x" ; then
         ant_minor_version=0
      fi

      ant_micro_version=`$ANT -version | \
           grep Ant | \
           awk '{print \[$]4}' | cut -d . -f 3`
      if test "x${ant_micro_version}" = "x" ; then
         ant_micro_version=0
      fi

      enable_anttest=yes
      if test "x$enable_anttest" = "xyes" ; then
        rm -f conf.anttest
        AC_RUN_IFELSE([
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

char* my_strdup (const char *str);

char*
my_strdup (const char *str)
{
  char *new_str;
  
  if (str)
    {
      new_str = (char *)malloc ((strlen (str) + 1) * sizeof(char));
      strcpy (new_str, str);
    }
  else
    new_str = NULL;
  
  return new_str;
}

int main (void)
{
  int major = 0, minor = 0, micro = 0;
  int n;
  char *tmp_version;

  system ("touch conf.anttest");

  /* HP/UX 9 (%@#!) writes to sscanf strings */
  tmp_version = my_strdup("$min_ant_version");

  n = sscanf(tmp_version, "%d.%d.%d", &major, &minor, &micro) ;

  if (n != 2 && n != 3) {
     printf("%s, bad version string\n", "$min_ant_version");
     exit(1);
   }

   if (($ant_major_version > major) ||
      (($ant_major_version == major) && ($ant_minor_version > minor)) ||
      (($ant_major_version == major) && ($ant_minor_version == minor) && ($ant_micro_version >= micro)))
    {
      exit(0);
    }
  else
    {
      printf("\n*** 'ant -version' returned %d.%d.%d, but the minimum version\n", $ant_major_version, $ant_minor_version, $ant_micro_version);
      printf("*** of ant required is %d.%d.%d. If ant is correct, then it is\n", major, minor, micro);
      printf("*** best to upgrade to the required version.\n");
      exit(1);
    }
}

],, no_ant=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])
       fi
    fi
    if test "x$no_ant" = x ; then
       AC_MSG_RESULT(yes)
       ifelse([$2], , :, [$2])     
    else
       AC_MSG_RESULT(no)
       if test "$ant" = "no" ; then
         echo "*** The ant program could not be found"
         echo "*** If ant was installed in PREFIX, make sure PREFIX/bin is in"
         echo "*** your path."
       fi
       ifelse([$3], , :, [$3])
    fi
    rm -f conf.anttest
  ])
  AC_SUBST(ANT)
])