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=cdffb73c04d0c68d7edf19ee02fc3a554dea04bc'>root</a>/<a href='/guix/log/gnu?id=cdffb73c04d0c68d7edf19ee02fc3a554dea04bc'>gnu</a>/<a href='/guix/log/gnu/packages?id=cdffb73c04d0c68d7edf19ee02fc3a554dea04bc'>packages</a>/<a href='/guix/log/gnu/packages/patches?id=cdffb73c04d0c68d7edf19ee02fc3a554dea04bc'>patches</a>/<a href='/guix/log/gnu/packages/patches/lcalc-lcommon-h.patch?id=cdffb73c04d0c68d7edf19ee02fc3a554dea04bc'>lcalc-lcommon-h.patch</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/patches/lcalc-lcommon-h.patch?id=cdffb73c04d0c68d7edf19ee02fc3a554dea04bc&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2019-06-21 09:28:07 +0200'>2019-06-21</span></td><td><a href='/guix/commit/gnu/packages/patches/lcalc-lcommon-h.patch?id=fedb9571eb423bff0f806ae3fcb106e16e1e56e9'>gnu: Add lcalc.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/sagemath.scm (lcalc): New variable.
* gnu/packages/patches/lcalc-default-parameters-1.patch,
gnu/packages/patches/lcalc-default-parameters-2.patch,
gnu/packages/patches/lcalc-lcommon-h.patch,
gnu/packages/patches/lcalc-using-namespace-std.patch: New files.
* gnu/local.mk (dist_patch_DATA): Register patches.
</span></span></td><td>Andreas Enge</td></tr>