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+Date: Wed, 11 Apr 2012 10:43:42 +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: <20120411084342.GL10554@pub.czech.sun.com>\r
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+\r
+Hi,\r
+\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
+> > ${option##=*}\r
+> \r
+> According to \r
+> \r
+> http://pubs.opengroup.org/onlinepubs/009695399/utilities/xcu_chap02.html\r
+> \r
+> all of those are part of Shell Command Language...\r
+\r
+Hmm, you are right. The solaris /bin/sh is older revision of posix.\r
+\r
+\r
+\r
+> Does the configure script work if you replace /bin/sh with /bin/ksh\r
+> in your Solaris box\r
+\r
+yes, it does work if executed by /bin/bash or /bin/ksh\r
+\r
+\r
+> If yes, something like the following could be added to the beginning\r
+> of 'configure'\r
+> \r
+> option=option=value\r
+> if test ! x"${option$*=}" = x"value" 2>/dev/null; then\r
+> if test x"${PREVENT_LOOPING-}" = x; then\r
+> PREVENT_LOOPING=true; export PREVENT_LOOPING\r
+> test ! -x /bin/ksh || exec /bin/ksh "$0" "$@"\r
+> test ! -x /bin/bash || exec /bin/bash "$0" "$@"\r
+> fi\r
+> echo "Cannot find compatible shell for '$0'" >&2\r
+> exit 1\r
+> fi\r
+\r
+Unfortunately, no. The /bin/sh says "bad substitution" and does not run\r
+the script at all. I also tried\r
+\r
+eval 'echo ${A%%1}'; echo ok\r
+\r
+but that does not run the 'echo ok' and fails also.\r
+\r
+\r
+I can see three possible solutions\r
+\r
+1) use bash or ksh in the shebang line\r
+2) rewrite the script as I gave the overview\r
+3) declare that solaris 10 /bin/sh is not compatible with configure\r
+script\r
+\r
+\r
+Frankly even 3) is viable option, one just have to remember to run\r
+'bash configure'. If everything else would work, I would be happy :)\r
+\r
+Thank you\r
+-- \r
+ Vlad\r
projects / notmuch-archives.git / commitdiff