1 | #!/bin/bash |
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2 | # Copyright 1999-2004 Gentoo Foundation |
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3 | # Distributed under the terms of the GNU General Public License v2 |
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4 | # $Header: /var/cvsroot/gentoo-x86/sys-devel/automake-wrapper/files/am-wrapper-1.sh,v 1.4 2005/05/14 17:42:00 vapier Exp $ |
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5 | |
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6 | # Based on the am-wrapper.pl script provided by MandrakeSoft |
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7 | # Rewritten in bash by Gregorio Guidi |
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8 | # |
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9 | # Executes the correct automake version. |
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10 | # |
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11 | # - defaults to automake-1.9 |
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12 | # - runs automake-1.8 if: |
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13 | # - envvar WANT_AUTOMAKE is set to `1.8' |
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14 | # -or- |
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15 | # - `Makefile.in' was generated by automake-1.8 |
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16 | # -or- |
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17 | # - 'aclocal.m4' contain AM_AUTOMAKE_VERSION, specifying the use of 1.8 |
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18 | # - runs automake-1.7 if: |
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19 | # - envvar WANT_AUTOMAKE is set to `1.7' |
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20 | # -or- |
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21 | # - `Makefile.in' was generated by automake-1.7 |
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22 | # -or- |
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23 | # - 'aclocal.m4' contain AM_AUTOMAKE_VERSION, specifying the use of 1.7 |
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24 | # - runs automake-1.6 if: |
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25 | # - envvar WANT_AUTOMAKE is set to `1.6' |
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26 | # -or- |
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27 | # - `Makefile.in' |
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28 | # -or- |
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29 | # - 'aclocal.m4' contain AM_AUTOMAKE_VERSION, specifying the use of 1.6 |
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30 | # - runs automake-1.5 if: |
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31 | # - envvar WANT_AUTOMAKE is set to `1.5' |
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32 | # -or- |
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33 | # - `Makefile.in' was generated by automake-1.5 |
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34 | # -or- |
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35 | # - 'aclocal.m4' contain AM_AUTOMAKE_VERSION, specifying the use of 1.5 |
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36 | # - runs automake-1.4 if: |
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37 | # - envvar WANT_AUTOMAKE is set to `1.4' |
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38 | # -or- |
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39 | # - `Makefile.in' was generated by automake-1.4 |
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40 | # -or- |
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41 | # - 'aclocal.m4' contain AM_AUTOMAKE_VERSION, specifying the use of 1.4 |
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42 | |
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43 | if [ "${0##*/}" = "am-wrapper.sh" ] ; then |
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44 | echo "Don't call this script directly." >&2 |
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45 | exit 1 |
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46 | fi |
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47 | |
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48 | vers="1.9 1.8 1.7 1.6 1.5 1.4" |
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49 | |
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50 | for v in ${vers} ; do |
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51 | eval binary_${v/./_}="${0}-${v}" |
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52 | done |
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53 | binary="${binary_1_9}" |
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54 | |
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55 | # |
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56 | # Check the WANT_AUTOMAKE setting |
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57 | # |
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58 | for v in ${vers} x ; do |
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59 | if [ "${v}" = "x" ] ; then |
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60 | unset WANT_AUTOMAKE |
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61 | break |
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62 | fi |
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63 | |
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64 | if [ "${WANT_AUTOMAKE}" = "${v}" ] ; then |
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65 | binary="binary_${v/./_}" |
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66 | binary="${!binary}" |
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67 | break |
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68 | fi |
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69 | done |
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70 | |
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71 | do_awk() { |
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72 | local file=$1 ; shift |
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73 | local arg=$1 ; shift |
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74 | echo $(gawk "{ if (match(\$0, \"$*\", res)) { print res[${arg}]; exit } }" ${file}) |
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75 | } |
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76 | |
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77 | # |
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78 | # autodetect routine |
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79 | # |
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80 | if [ -z "${WANT_AUTOMAKE}" ] ; then |
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81 | if [ -r "Makefile.in" ] ; then |
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82 | confversion_mf=$(do_awk Makefile.in 2 "^# Makefile.in generated (automatically )?by automake ([0-9].[0-9])") |
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83 | fi |
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84 | if [ -r "aclocal.m4" ] ; then |
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85 | confversion_ac=$(do_awk aclocal.m4 1 'generated automatically by aclocal ([0-9].[0-9])') |
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86 | confversion_am=$(do_awk aclocal.m4 1 '[[:space:]]*\\[?AM_AUTOMAKE_VERSION\\(\\[?([0-9].[0-9])[^)]*\\]?\\)') |
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87 | fi |
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88 | |
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89 | for v in ${vers} ; do |
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90 | if [ "${confversion_mf}" = "${v}" ] \ |
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91 | || [ "${confversion_ac}" = "${v}" ] \ |
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92 | || [ "${confversion_am}" = "${v}" ] ; then |
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93 | binary="binary_${v/./_}" |
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94 | binary="${!binary}" |
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95 | break |
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96 | fi |
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97 | done |
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98 | fi |
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99 | |
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100 | if [ "${WANT_AMWRAPPER_DEBUG}" ] ; then |
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101 | if [ "${WANT_AUTOMAKE}" ] ; then |
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102 | echo "am-wrapper: DEBUG: WANT_AUTOMAKE is set to ${WANT_AUTOMAKE}" >&2 |
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103 | fi |
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104 | echo "am-wrapper: DEBUG: will execute <$binary>" >&2 |
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105 | fi |
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106 | |
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107 | # |
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108 | # for further consistency |
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109 | # |
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110 | for v in ${vers} ; do |
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111 | mybin="binary_${v/./_}" |
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112 | if [ "${binary}" = "${!mybin}" ] ; then |
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113 | export WANT_AUTOMAKE="${v}" |
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114 | fi |
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115 | done |
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116 | |
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117 | # |
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118 | # Now try to run the binary |
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119 | # |
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120 | if [ ! -x "${binary}" ] ; then |
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121 | echo "am-wrapper: $binary is missing or not executable." >&2 |
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122 | echo " Please try emerging the correct version of automake." >&2 |
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123 | exit 1 |
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124 | fi |
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125 | |
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126 | exec "$binary" "$@" |
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127 | |
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128 | echo "am-wrapper: was unable to exec $binary !?" >&2 |
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129 | exit 1 |
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