The METIS interface from Scotch may segfault if passed NULL to indicate a
default parameter, so use the older calling style.

--- a/SRC/get_perm_c.c	2014-05-16 23:38:30.070835316 -0500
+++ b/SRC/get_perm_c.c	2014-05-16 23:39:04.582836211 -0500
@@ -70,11 +70,13 @@
 #else
 
     /* Earlier version 3.x.x */
-    /* METIS_NodeND(&nm, b_colptr, b_rowind, &numflag, metis_options,
-       perm, iperm);*/
+    METIS_NodeND(&nm, b_colptr, b_rowind, &numflag, metis_options,
+                 perm, iperm);
 
     /* Latest version 4.x.x */
+#if 0
     METIS_NodeND(&nm, b_colptr, b_rowind, NULL, NULL, perm, iperm);
+#endif
 
     /*check_perm_dist("metis perm",  n, perm);*/
 #endif
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<div class='path'>path: <a href='/guix/log/?id=be285c3dc0555990f9b6754651ec1833f98efdef'>root</a>/<a href='/guix/log/tests?id=be285c3dc0555990f9b6754651ec1833f98efdef'>tests</a>/<a href='/guix/log/tests/lzlib.scm?id=be285c3dc0555990f9b6754651ec1833f98efdef'>lzlib.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/tests/lzlib.scm?id=be285c3dc0555990f9b6754651ec1833f98efdef&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2019-05-27 22:47:24 +0200'>2019-05-27</span></td><td><a href='/guix/commit/tests/lzlib.scm?id=2a991f3ae4823730395c7970d83159e93d5f5fe2'>lzlib: Add 'make-lzip-input-port/compressed'.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2019-05-06 23:21:33 +0200'>2019-05-06</span></td><td><a href='/guix/commit/tests/lzlib.scm?id=fea338c6ca1922097fa233be85f424c152a4f507'>Add (guix lzlib).</a><span class='msg-avail'>...</span></td><td>Pierre Neidhardt</td></tr>