Re: [PATCH 1/4] Make configure use /bin/bash instead of /bin/sh

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+Date: Mon, 9 Apr 2012 14:19:30 +0200\r
+From: Vladimir Marek <Vladimir.Marek@Oracle.COM>\r
+To: Notmuch Mail <notmuch@notmuchmail.org>\r
+Subject: Re: [PATCH 1/4] Make configure use /bin/bash instead of /bin/sh\r
+Message-ID: <20120409121930.GA10554@pub.czech.sun.com>\r
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+\r
+> > Posix /bin/sh is not capable of running this configure and fails.\r
+> \r
+> What fails? What would it take to make this work on posix sh instead?\r
+> \r
+> The tests do require bash, but generally I think it would be preferable to\r
+> not depend on bash to build.\r
+\r
+Well I gave it a quick stab. This is not posix:\r
+\r
+BLAH=$( ... )\r
+BLAH=$(( ... ))\r
+${option%=*}\r
+${option%%=*}\r
+${option#=*}\r
+${option##=*}\r
+\r
+First two cases are easy to replace by `...` resp `expr ...`. The rest\r
+leads to external utility like sed. The dirtiest part of configure is\r
+parsing the commandline arguments, but that could be replaced by\r
+/usr/bin/getopts.\r
+\r
+If it is appealing way of doing that, I can rework my patch and submit\r
+it for consideration.\r
+\r
+Thank you\r
+-- \r
+       Vlad\r