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40 Date: Wed, 11 Apr 2012 10:43:42 +0200
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41 From: Vladimir Marek <Vladimir.Marek@Oracle.COM>
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42 To: Notmuch Mail <notmuch@notmuchmail.org>
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43 Subject: Re: [PATCH 1/4] Make configure use /bin/bash instead of /bin/sh
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75 > >> > Posix /bin/sh is not capable of running this configure and fails.
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77 > >> What fails? What would it take to make this work on posix sh instead?
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79 > >> The tests do require bash, but generally I think it would be preferable to
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80 > >> not depend on bash to build.
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82 > > Well I gave it a quick stab. This is not posix:
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93 > http://pubs.opengroup.org/onlinepubs/009695399/utilities/xcu_chap02.html
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95 > all of those are part of Shell Command Language...
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97 Hmm, you are right. The solaris /bin/sh is older revision of posix.
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101 > Does the configure script work if you replace /bin/sh with /bin/ksh
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102 > in your Solaris box
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104 yes, it does work if executed by /bin/bash or /bin/ksh
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107 > If yes, something like the following could be added to the beginning
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110 > option=option=value
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111 > if test ! x"${option$*=}" = x"value" 2>/dev/null; then
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112 > if test x"${PREVENT_LOOPING-}" = x; then
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113 > PREVENT_LOOPING=true; export PREVENT_LOOPING
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114 > test ! -x /bin/ksh || exec /bin/ksh "$0" "$@"
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115 > test ! -x /bin/bash || exec /bin/bash "$0" "$@"
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117 > echo "Cannot find compatible shell for '$0'" >&2
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121 Unfortunately, no. The /bin/sh says "bad substitution" and does not run
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122 the script at all. I also tried
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124 eval 'echo ${A%%1}'; echo ok
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126 but that does not run the 'echo ok' and fails also.
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129 I can see three possible solutions
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131 1) use bash or ksh in the shebang line
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132 2) rewrite the script as I gave the overview
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133 3) declare that solaris 10 /bin/sh is not compatible with configure
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137 Frankly even 3) is viable option, one just have to remember to run
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138 'bash configure'. If everything else would work, I would be happy :)
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