[d1afb9e] | 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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