[PATCH 0/4] configure: fix some shellcheck warnings

diff --git a/ab/cb5526c142d706abb86aab930f0cc8935466c7 b/ab/cb5526c142d706abb86aab930f0cc8935466c7
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+ Wed, 13 Apr 2016 11:34:02 -0700 (PDT)\r
+From: Jani Nikula <jani@nikula.org>\r
+To: notmuch@notmuchmail.org\r
+Subject: [PATCH 0/4] configure: fix some shellcheck warnings\r
+Date: Wed, 13 Apr 2016 21:32:45 +0300\r
+Message-Id: <cover.1460572142.git.jani@nikula.org>\r
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+\r
+TIL about shellcheck [1]. Played with it a bit. Seems useful.\r
+\r
+$ shellcheck --exclude 2086 --shell sh configure\r
+\r
+BR,\r
+Jani.\r
+\r
+[1] http://www.shellcheck.net/\r
+\r
+\r
+Jani Nikula (4):\r
+  configure: SC2006: Use $(..) instead of deprecated `..`\r
+  configure: SC2059: Don't use variables in the printf format string.\r
+  configure: SC2034: glib_cflags and glib_ldflags appear unused.\r
+  configure: SC2016: Expressions don't expand in single quotes\r
+\r
+ configure | 25 +++++++++++++------------\r
+ 1 file changed, 13 insertions(+), 12 deletions(-)\r
+\r
+-- \r
+2.1.4\r
+\r