1 #!/bin/bash |
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2 # |
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3 # Copyright (c) 2011, 2017, Oracle and/or its affiliates. All rights reserved. |
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4 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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5 # |
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6 # This code is free software; you can redistribute it and/or modify it |
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7 # under the terms of the GNU General Public License version 2 only, as |
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8 # published by the Free Software Foundation. |
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9 # |
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10 # This code is distributed in the hope that it will be useful, but WITHOUT |
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11 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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12 # FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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13 # version 2 for more details (a copy is included in the LICENSE file that |
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14 # accompanied this code). |
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15 # |
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16 # You should have received a copy of the GNU General Public License version |
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17 # 2 along with this work; if not, write to the Free Software Foundation, |
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18 # Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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19 # |
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20 # Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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21 # or visit www.oracle.com if you need additional information or have any |
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22 # questions. |
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23 # |
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24 |
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25 generate_configure_script() { |
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26 # First create a header |
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27 cat > $1 << EOT |
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28 #!/bin/bash |
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29 # |
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30 # ########################################################## |
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31 # ### THIS FILE IS AUTOMATICALLY GENERATED. DO NOT EDIT. ### |
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32 # ########################################################## |
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33 # |
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34 EOT |
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35 # Then replace "magic" variables in configure.ac and append the output |
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36 # from autoconf. $2 is either cat (just a no-op) or a filter. |
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37 cat $script_dir/configure.ac | sed -e "s|@DATE_WHEN_GENERATED@|$TIMESTAMP|" | \ |
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38 eval $2 | ${AUTOCONF} -W all -I$script_dir - >> $1 |
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39 rm -rf autom4te.cache |
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40 } |
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41 |
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42 script_dir=`dirname $0` |
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43 |
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44 # Create a timestamp as seconds since epoch |
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45 if test "x`uname -s`" = "xSunOS"; then |
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46 TIMESTAMP=`date +%s` |
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47 if test "x$TIMESTAMP" = "x%s"; then |
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48 # date +%s not available on this Solaris, use workaround from nawk(1): |
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49 TIMESTAMP=`nawk 'BEGIN{print srand()}'` |
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50 fi |
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51 else |
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52 TIMESTAMP=`date +%s` |
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53 fi |
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54 |
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55 AUTOCONF="`which autoconf 2> /dev/null | grep -v '^no autoconf in'`" |
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56 |
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57 if test "x${AUTOCONF}" = x; then |
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58 echo "You need autoconf installed to be able to regenerate the configure script" |
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59 echo "Error: Cannot find autoconf" 1>&2 |
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60 exit 1 |
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61 fi |
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62 |
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63 autoconf_version=`$AUTOCONF --version | head -1` |
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64 echo "Using autoconf at ${AUTOCONF} [$autoconf_version]" |
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65 |
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66 echo "Generating generated-configure.sh" |
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67 generate_configure_script "$script_dir/generated-configure.sh" 'cat' |
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68 |
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69 if test "x$CUSTOM_CONFIG_DIR" != "x"; then |
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70 custom_hook=$CUSTOM_CONFIG_DIR/custom-hook.m4 |
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71 if test ! -e $custom_hook; then |
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72 echo "CUSTOM_CONFIG_DIR set but $CUSTOM_CONFIG_DIR/custom-hook.m4 not present" |
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73 echo "Error: Cannot continue" 1>&2 |
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74 exit 1 |
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75 fi |
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76 |
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77 # We have custom sources available; also generate configure script |
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78 # with custom hooks compiled in. |
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79 echo "Generating custom generated-configure.sh" |
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80 generate_configure_script "$CUSTOM_CONFIG_DIR/generated-configure.sh" 'sed -e "s|#CUSTOM_AUTOCONF_INCLUDE|m4_include([$custom_hook])|"' |
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81 fi |
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