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
2191d62'/><select name='h' onchange='this.form.submit();'>
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<div class='path'>path: <a href='/guix/log/?id=7218e09d9de9051427e0d73bc70be104b2191d62'>root</a>/<a href='/guix/log/gnu?id=7218e09d9de9051427e0d73bc70be104b2191d62'>gnu</a>/<a href='/guix/log/gnu/installer?id=7218e09d9de9051427e0d73bc70be104b2191d62'>installer</a>/<a href='/guix/log/gnu/installer/substitutes.scm?id=7218e09d9de9051427e0d73bc70be104b2191d62'>substitutes.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/installer/substitutes.scm?id=7218e09d9de9051427e0d73bc70be104b2191d62&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2020-12-11 21:37:07 +0100'>2020-12-11</span></td><td><a href='/guix/commit/gnu/installer/substitutes.scm?id=8361817bf693742757b096468198626f297bb09e'>install: Discover local substitute servers.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/installer/substitutes.scm: New file.
* gnu/installer/newt/substitutes.scm: New file.
* gnu/local.mk (INSTALLER_MODULES): Add them.
* po/guix/POTFILES.in: Add gnu/installer/newt/substitutes.scm.
* gnu/installer/proxy.scm (with-silent-shepherd): Move to ...
* gnu/installer/utils.scm: ... here.
* gnu/installer/record.scm (&lt;installer&gt;)[substitutes-page]: New field.
* gnu/installer/newt.scm (substitutes-page): New procedure,
(newt-installer): register it.
* gnu/installer.scm (installer-steps): Add "substitutes-page" step.
* gnu/system/install.scm (%installation-services): Add avahi-service-type and
enable substitute server discover in guix-service-type.
[&lt;name-service-switch&gt;]: Set it to %mdns-host-lookup-nss.
</span></span></td><td>Mathieu Othacehe</td></tr>