Building sublibraries in parallel can lead to race conditions on the libseq
and lipord targets.

--- MUMPS_5.0.0/Makefile.orig	2015-06-15 10:08:54.523146562 -0500
+++ MUMPS_5.0.0/Makefile	2015-06-15 10:19:44.074367512 -0500
@@ -11,6 +11,7 @@
 	sexamples dexamples cexamples zexamples \
 	mumps_lib requiredobj libseqneeded clean
 
+.NOTPARALLEL:
 alllib:		c z s d
 all:		cexamples zexamples sexamples dexamples
 
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<tr><td><span title='2020-07-25 19:11:37 +0200'>2020-07-25</span></td><td><a href='/guix/commit/gnu/system/mapped-devices.scm?id=d51bfe242fbe6f3f8f71d723e8fe0c7bbe711ba1'>Use 'formatted-message' instead of '&amp;message' where appropriate.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2020-07-25 19:11:36 +0200'>2020-07-25</span></td><td><a href='/guix/commit/gnu/system/mapped-devices.scm?id=f9a8dd053c4e0fd1fc4b64291bb90de36520b3bc'>utils: Move '&amp;fix-hint' to (guix diagnostics).</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2020-06-25 01:20:31 +0200'>2020-06-25</span></td><td><a href='/guix/commit/gnu/system/mapped-devices.scm?id=db170ee9210431cdbb3716a6b9a26ca5b6d931ee'>services: Add missing (ice-9 format) import.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2019-03-13 23:12:43 +0100'>2019-03-13</span></td><td><a href='/guix/commit/gnu/system/mapped-devices.scm?id=4cd386afae444f3ee603cd07d282b2eee3253555'>linux-modules: Factorize 'missing-modules'.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2019-03-13 23:12:43 +0100'>2019-03-13</span></td><td><a href='/guix/commit/gnu/system/mapped-devices.scm?id=59e80445882f8b0379e54916f89510c0deda6698'>Remove traces of "GuixSD".</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2018-09-23 23:34:16 +0200'>2018-09-23</span></td><td><a href='/guix/commit/gnu/system/mapped-devices.scm?id=88600acc939365b4ffd45a8be74117a8cf8dc3dd'>system: Mention '--skip-checks' in initrd diagnostics.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2018-07-29 18:50:28 +0200'>2018-07-29</span></td><td><a href='/guix/commit/gnu/system/mapped-devices.scm?id=99b78ba49872bf8a7023bc1ae50e9e0995d0267d'>linux-initrd: Report only missing modules, not all needed modules.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2018-07-29 18:50:28 +0200'>2018-07-29</span></td><td><a href='/guix/commit/gnu/system/mapped-devices.scm?id=fcd068e984078ab74c6842af2525bf88096cd262'>linux-initrd: Try several file names when looking up modules.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2018-07-29 18:50:28 +0200'>2018-07-29</span></td><td><a href='/guix/commit/gnu/system/mapped-devices.scm?id=d2a1cf45f74f4be67bd51068fc531a1b8ae54536'>linux-initrd: Improve check of initrd modules.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2018-06-14 23:34:59 +0200'>2018-06-14</span></td><td><a href='/guix/commit/gnu/system/mapped-devices.scm?id=411959bef30b488928ab2418a064c8a9b0347c41'>linux-initrd: Module check correctly handles hyphen vs. underscore.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2018-03-15 23:08:02 -0400'>2018-03-15</span></td><td><a href='/guix/commit/gnu/system/mapped-devices.scm?id=3e5783e2920dfd78f10e0e3b160fb310c6c810ca'>linux-initrd: Autoload known-module-aliases, again.</a><span class='msg-avail'>...</span></td><td>Mark H Weaver</td></tr>
<tr><td><span title='2018-03-15 23:46:16 +0100'>2018-03-15</span></td><td><a href='/guix/commit/gnu/system/mapped-devices.scm?id=8ab10c19d72caab7459034a6e72b0117d7c5cec8'>linux-initrd: Move 'check-device-initrd-modules' elsewhere.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2018-03-07 11:22:42 +0100'>2018-03-07</span></td><td><a href='/guix/commit/gnu/system/mapped-devices.scm?id=ca23693d280de5c4031058da4d3041d830080484'>linux-initrd: Factorize 'check-device-initrd-modules'.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2018-03-02 13:53:15 +0100'>2018-03-02</span></td><td><a href='/guix/commit/gnu/system/mapped-devices.scm?id=424cea8083a4cee63290c80235aed61bd12affb1'>guix system: Check for the lack of modules in the initrd.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2017-12-22 09:48:38 +0100'>2017-12-22</span></td><td><a href='/guix/commit/gnu/system/mapped-devices.scm?id=42ff7d3be642d66ba567f64882a1f2301b1a7bd9'>mapped-devices: 'luks-device-mapping' checks its source device.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2017-12-22 09:48:36 +0100'>2017-12-22</span></td><td><a href='/guix/commit/gnu/system/mapped-devices.scm?id=4ca90ff5976434a2b6e758df38df54387ae70c1b'>mapped-devices: Add 'location' and 'check' fields.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>