Bash 4.2.0(1)-release, which we use during bootstrap, does not yield the
"x" case in:

  case x"$EMULATION_NAME" in x) ;; *) ;; esac

when 'EMULATION_NAME' is undefined.  Bash 4.3.30(1)-release doesn't have this
problem.  Work around it.

This Bash bug was fixed
in <http://ftp.gnu.org/gnu/bash/bash-4.2-patches/bash42-007>.

--- a/ld/emulparams/elf32bmipn32-defs.sh
+++ b/ld/emulparams/elf32bmipn32-defs.sh
@@ -13,7 +13,7 @@ LITTLE_OUTPUT_FORMAT="elf32-littlemips"
 TEMPLATE_NAME=elf32
 EXTRA_EM_FILE=mipself
 
-case x"$EMULATION_NAME" in
+case "x$EMULATION_NAME" in
 xelf32*n32*) ELFSIZE=32 ;;
 xelf64*) ELFSIZE=64 ;;
 x) ;;
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<div class='path'>path: <a href='/guix/log/?id=3bfb1b568d7a81b5bceb50bf083f30088db78285'>root</a>/<a href='/guix/log/gnu?id=3bfb1b568d7a81b5bceb50bf083f30088db78285'>gnu</a>/<a href='/guix/log/gnu/packages?id=3bfb1b568d7a81b5bceb50bf083f30088db78285'>packages</a>/<a href='/guix/log/gnu/packages/noweb.scm?id=3bfb1b568d7a81b5bceb50bf083f30088db78285'>noweb.scm</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/guix/log/gnu/packages/noweb.scm?id=3bfb1b568d7a81b5bceb50bf083f30088db78285&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2020-01-19 09:31:55 +0200'>2020-01-19</span></td><td><a href='/guix/commit/gnu/packages/noweb.scm?id=9cd3282162802392b2f6c5d8f9037a2b87b3b569'>gnu: noweb: Declare a source file-name.</a><span class='msg-avail'>...</span></td><td>Efraim Flashner</td></tr>
<tr><td><span title='2020-01-16 19:51:55 +0100'>2020-01-16</span></td><td><a href='/guix/commit/gnu/packages/noweb.scm?id=dc26c8c533eec6bbcfecbfea00add44cadf2abfb'>gnu: noweb: Update to 2.12.</a><span class='msg-avail'>...</span></td><td>Tobias Geerinckx-Rice</td></tr>
<tr><td><span title='2020-01-16 19:51:55 +0100'>2020-01-16</span></td><td><a href='/guix/commit/gnu/packages/noweb.scm?id=bd9f588b37a86845604fbe8506bdfe162ba578b3'>gnu: noweb: Embed store references to external binaries.</a><span class='msg-avail'>...</span></td><td>Tobias Geerinckx-Rice</td></tr>
<tr><td><span title='2020-01-16 19:51:55 +0100'>2020-01-16</span></td><td><a href='/guix/commit/gnu/packages/noweb.scm?id=2c31cf87e3f8476c45e32ced1534f5a7bc2d01b5'>gnu: noweb: Use HTTPS home page.</a><span class='msg-avail'>...</span></td><td>Tobias Geerinckx-Rice</td></tr>
00'>2020-09-21</span></td><td><a href='/guix/commit/gnu/packages/php.scm?id=f23e439f9f89b8dbcc5bf76135842a1e49f8526a'>gnu: php: Disable unreliable test.</a><span class='msg-avail'>...</span></td><td>Tobias Geerinckx-Rice</td></tr>
<tr><td><span title='2020-09-04 11:01:04 +0200'>2020-09-04</span></td><td><a href='/guix/commit/gnu/packages/php.scm?id=eb3328004ebf69d258b1afc46b5cab010c1a4a26'>gnu: php: Update to 7.4.10.</a><span class='msg-avail'>...</span></td><td>Tobias Geerinckx-Rice</td></tr>
<tr><td><span title='2020-08-13 16:09:40 +0200'>2020-08-13</span></td><td><a href='/guix/commit/gnu/packages/php.scm?id=d1c37def6e22fa4e171a96f97347220cf2ed5aa9'>gnu: php: Update to 7.4.9.</a><span class='msg-avail'>...</span></td><td>Tobias Geerinckx-Rice</td></tr>
<tr><td><span title='2020-07-11 23:24:29 +0200'>2020-07-11</span></td><td><a href='/guix/commit/gnu/packages/php.scm?id=7ed0eeb0113f4fe7c56ca649c05b08df8ecd66fb'>gnu: php: Update to 7.4.8.</a><span class='msg-avail'>...</span></td><td>Tobias Geerinckx-Rice</td></tr>
<tr><td><span title='2020-06-11 15:45:05 +0200'>2020-06-11</span></td><td><a href='/guix/commit/gnu/packages/php.scm?id=82b9ed4eae78cd9dd672c4ecea16c9270e2a95a4'>gnu: php: Update to 7.4.7.</a><span class='msg-avail'>...</span></td><td>Julien Lepiller</td></tr>
<tr><td><span title='2020-05-14 23:26:14 +0200'>2020-05-14</span></td><td><a href='/guix/commit/gnu/packages/php.scm?id=9a9799ffa8f20ef806baae619f3ceac00c55f881'>gnu: php: Update to 7.4.6.</a><span class='msg-avail'>...</span></td><td>Julien Lepiller</td></tr>
<tr><td><span title='2020-05-06 13:32:08 -0400'>2020-05-06</span></td><td><a href='/guix/commit/gnu/packages/php.scm?id=3b7f3108e0ebd459ec9c75717988fc61755e7185'>gnu: php: Remove failing tests.</a><span class='msg-avail'>...</span></td><td>Maxim Cournoyer</td></tr>
<tr><td><span title='2020-05-06 10:27:33 -0400'>2020-05-06</span></td><td><a href='/guix/commit/gnu/packages/php.scm?id=e98689f8635a4974fb7e443e995319ebf56ca390'>gnu: php: Partially fix the build.</a><span class='msg-avail'>...</span></td><td>Maxim Cournoyer</td></tr>
<tr><td><span title='2020-04-23 13:33:09 +0200'>2020-04-23</span></td><td><a href='/guix/commit/gnu/packages/php.scm?id=030f6f489fe9544f35ebaf95135acd1dd67ce63f'>Merge branch 'master' into core-updates</a><span class='msg-avail'>...</span></td><td>Marius Bakke</td></tr>
<tr><td><span title='2020-04-19 22:57:16 +0200'>2020-04-19</span></td><td><a href='/guix/commit/gnu/packages/php.scm?id=4313e6ec552a83082410a7f32660b84f7fc19554'>gnu: php: Update to 7.4.5.</a><span class='msg-avail'>...</span></td><td>Julien Lepiller</td></tr>
<tr><td><span title='2020-03-30 12:17:33 +0200'>2020-03-30</span></td><td><a href='/guix/commit/gnu/packages/php.scm?id=ae0badf5bb791428423a98d4e4e2b8d297a5d4be'>Merge branch 'master' into core-updates</a><span class='msg-avail'>...</span></td><td>Marius Bakke</td></tr>
<tr><td><span title='2020-03-29 18:40:56 +0200'>2020-03-29</span></td><td><a href='/guix/commit/gnu/packages/php.scm?id=53b9df20c12439268306a12375f7507cea9d0662'>gnu: Remove more packages deprecated for over almost a year.</a><span class='msg-avail'>...</span></td><td>Tobias Geerinckx-Rice</td></tr>
<tr><td><span title='2020-03-21 22:16:02 +0100'>2020-03-21</span></td><td><a href='/guix/commit/gnu/packages/php.scm?id=d19b14c8349ce8cacb62619ab68953265daeeca7'>Merge branch 'master' into core-updates</a></td><td>Marius Bakke</td></tr>
<tr><td><span title='2020-03-20 03:07:06 +0100'>2020-03-20</span></td><td><a href='/guix/commit/gnu/packages/php.scm?id=d82160134a48d01ad56b5b326b8f2020d60a1eab'>gnu: php: Update to 7.4.4.</a><span class='msg-avail'>...</span></td><td>Tobias Geerinckx-Rice</td></tr>