1 #!/bin/bash
   2 #
   3 # Copyright (c) 2011, 2012, Oracle and/or its affiliates. All rights reserved.
   4 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   5 #
   6 # This code is free software; you can redistribute it and/or modify it
   7 # under the terms of the GNU General Public License version 2 only, as
   8 # published by the Free Software Foundation.
   9 #
  10 # This code is distributed in the hope that it will be useful, but WITHOUT
  11 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  12 # FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  13 # version 2 for more details (a copy is included in the LICENSE file that
  14 # accompanied this code).
  15 #
  16 # You should have received a copy of the GNU General Public License version
  17 # 2 along with this work; if not, write to the Free Software Foundation,
  18 # Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  19 #
  20 # Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  21 # or visit www.oracle.com if you need additional information or have any
  22 # questions.
  23 #
  24 
  25 script_dir=`dirname $0`
  26 
  27 # Create a timestamp as seconds since epoch
  28 if test "x`uname -s`" = "xSunOS"; then
  29   TIMESTAMP=`date +%s`
  30   if test "x$TIMESTAMP" = "x%s"; then
  31     # date +%s not available on this Solaris, use workaround from nawk(1):
  32     TIMESTAMP=`nawk 'BEGIN{print srand()}'`
  33   fi
  34 else
  35   TIMESTAMP=`date +%s`
  36 fi
  37 
  38 if test "x$CUSTOM_CONFIG_DIR" = "x"; then
  39   custom_script_dir="$script_dir/../../jdk/make/closed/autoconf"
  40 else
  41   custom_script_dir=$CUSTOM_CONFIG_DIR
  42 fi
  43 
  44 custom_hook=$custom_script_dir/custom-hook.m4
  45 
  46 if test "x`which autoconf 2> /dev/null`" = x; then
  47   echo You need autoconf installed to be able to regenerate the configure script
  48   echo Error: Cannot find autoconf 1>&2
  49   exit 1
  50 fi
  51 
  52 echo Generating generated-configure.sh
  53 cat $script_dir/configure.ac  | sed -e "s|@DATE_WHEN_GENERATED@|$TIMESTAMP|" | autoconf -W all -I$script_dir - > $script_dir/generated-configure.sh
  54 rm -rf autom4te.cache
  55 
  56 if test -e $custom_hook; then
  57   echo Generating custom generated-configure.sh
  58   # We have custom sources available; also generate configure script
  59   # with custom hooks compiled in.
  60   cat $script_dir/configure.ac | sed -e "s|@DATE_WHEN_GENERATED@|$TIMESTAMP|" | \
  61     sed -e "s|#CUSTOM_AUTOCONF_INCLUDE|m4_include([$custom_hook])|" | autoconf -W all -I$script_dir - > $custom_script_dir/generated-configure.sh
  62   rm -rf autom4te.cache
  63 else
  64   echo No custom hook found:  $custom_hook
  65 fi