Patch taken from the Sage packaging system.

diff -Naur lcalc-1.23-vanilla/include/Ldirichlet_series.h lcalc-1.23-fixed-gcc.4.9/include/Ldirichlet_series.h
--- lcalc-1.23-vanilla/include/Ldirichlet_series.h	2012-08-08 23:21:55.000000000 +0200
+++ lcalc-1.23-fixed-gcc.4.9/include/Ldirichlet_series.h	2014-04-21 14:37:59.027464849 +0200
@@ -43,7 +43,7 @@
  //XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
 template <class ttype>
 Complex L_function <ttype>::
-dirichlet_series(Complex s, long long N=-1)
+dirichlet_series(Complex s, long long N)
 {
     Complex z=0.;
     long long m,n;
diff -Naur lcalc-1.23-vanilla/include/L.h lcalc-1.23-fixed-gcc.4.9/include/L.h
--- lcalc-1.23-vanilla/include/L.h	2012-08-08 23:21:55.000000000 +0200
+++ lcalc-1.23-fixed-gcc.4.9/include/L.h	2014-04-21 14:32:04.003467348 +0200
@@ -491,7 +491,7 @@
 
     //#include "Ldirichlet_series.h" //for computing Dirichlet series
     Complex partial_dirichlet_series(Complex s, long long N1, long long N2);
-    Complex dirichlet_series(Complex s, long long N);
+    Complex dirichlet_series(Complex s, long long N=-1LL);
 
     //#include "Ltaylor_series.h" //for computing taylor series for Dirichlet series
     //void compute_taylor_series(int N, int K, Complex s_0, Complex *series);
e545a'>tree</a><a href='/guix/commit/gnu/services/avahi.scm?id=4985043c7cf8926d7b0b4394ba5e8c7a6f6e545a'>commit</a><a href='/guix/diff/gnu/services/avahi.scm?id=4985043c7cf8926d7b0b4394ba5e8c7a6f6e545a'>diff</a></td><td class='form'><form class='right' method='get' action='/guix/log/gnu/services/avahi.scm'>
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<div class='path'>path: <a href='/guix/log/?id=4985043c7cf8926d7b0b4394ba5e8c7a6f6e545a'>root</a>/<a href='/guix/log/gnu?id=4985043c7cf8926d7b0b4394ba5e8c7a6f6e545a'>gnu</a>/<a href='/guix/log/gnu/services?id=4985043c7cf8926d7b0b4394ba5e8c7a6f6e545a'>services</a>/<a href='/guix/log/gnu/services/avahi.scm?id=4985043c7cf8926d7b0b4394ba5e8c7a6f6e545a'>avahi.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/services/avahi.scm?id=4985043c7cf8926d7b0b4394ba5e8c7a6f6e545a&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2021-11-30 01:08:55 +0100'>2021-11-30</span></td><td><a href='/guix/commit/gnu/services/avahi.scm?id=892f1b7273d57b25940700877a02618fe826cc08'>services: Accept &lt;inferior-package&gt;s in lieu of &lt;package&gt;s.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/services/authentication.scm (fprintd-configuration)
(nslcd-configuration): Substitute file-like objects for package ones.
* gnu/services/cgit.scm (cgit-configuration, opaque-cgit-configuration):
Likewise.
* gnu/services/cups.scm (package-list?, cups-configuration): Likewise.
* gnu/services/dns.scm (verify-knot-configuration)
(ddclient-configuration): Likewise.
* gnu/services/docker.scm (docker-configuration): Likewise.
* gnu/services/file-sharing.scm (transmission-daemon-configuration): Likewise.
* gnu/services/getmail.scm (getmail-configuration): Likewise.
* gnu/services/mail.scm (dovecot-configuration)
(opaque-dovecot-configuration): Likewise.
* gnu/services/messaging.scm (prosody-configuration)
(opaque-prosody-configuration): Likewise.
* gnu/services/monitoring.scm (zabbix-server-configuration)
(zabbix-agent-configuration): Likewise.
* gnu/services/networking.scm (opendht-configuration): Likewise.
* gnu/services/pm.scm (tlp-configuration): Likewise.
* gnu/services/telephony.scm (jami-configuration): Likewise.
* gnu/services/virtualization.scm (libvirt-configuration)
(qemu-guest-agent-configuration): Likewise.
* gnu/services/vpn.scm (openvpn-client-configuration): Likewise.
</span></span></td><td>Tobias Geerinckx-Rice</td></tr>
<tr><td><span title='2021-06-14 18:35:17 +0200'>2021-06-14</span></td><td><a href='/guix/commit/gnu/services/avahi.scm?id=f70c3429ed0064eb4554722b4a60031385fd6785'>services: Remove deprecated service procedures.</a><span class='msg-avail'>...<span class='msg-tooltip'>These service procedures were deprecated in January 2019, for instance
in commit 65a67bf711b14bc7200f6730c0f173375ca12974.

* gnu/services/avahi.scm (avahi-service): Remove.
* gnu/services/base.scm (console-keymap, guix-service)
(guix-publish-service, gpm-service, urandom-seed-service): Remove.
* gnu/services/desktop.scm (upower-service, colord-service): Remove.
* gnu/services/mcron.scm (mcron-service): Remove.
* gnu/services/messaging.scm (bitlbee-service): Remove.
* gnu/services/networking.scm (dhcp-client-service, ntp-service)
(tor-service): Remove.
* gnu/services/xorg.scm (slim-service, gdm-service): Remove.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2020-12-09 14:13:32 +0100'>2020-12-09</span></td><td><a href='/guix/commit/gnu/services/avahi.scm?id=59a6780f70e138a515dfe9c3b5b5399dbd91c228'>services: avahi: Depend on 'user-processes'.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/services/avahi.scm (avahi-shepherd-service): Add 'user-processes'
to 'requirement'.
</span></span></td><td>Ludovic Courtès</td></tr>