Disable locales other than C and POSIX because of a compilation error.
By Danny Milosavljevic <dannym@scratchpost.org>
This patch is distributed under BSD-3 license.
See https://github.com/osresearch/heads/pull/610
diff -ruN b/source/patches/gcc-5.3.0-locale.diff guix-build-musl-cross-0.1-3.a8a6649.drv-12/source/patches/gcc-5.3.0-locale.diff
--- a/patches/gcc-5.3.0-locale.diff	1970-01-01 01:00:00.000000000 +0100
+++ b/patches/gcc-5.3.0-locale.diff	2020-05-02 14:20:47.213564509 +0200
@@ -0,0 +1,12 @@
+--- gcc-5.3.0/libstdc++-v3/config/locale/gnu/ctype_members.cc.orig	2020-05-02 14:16:31.376147000 +0200
++++ gcc-5.3.0/libstdc++-v3/config/locale/gnu/ctype_members.cc	2020-05-02 14:16:56.716279576 +0200
+@@ -47,7 +47,8 @@
+ 	this->_S_create_c_locale(this->_M_c_locale_ctype, __s); 
+ 	this->_M_toupper = this->_M_c_locale_ctype->__ctype_toupper;
+ 	this->_M_tolower = this->_M_c_locale_ctype->__ctype_tolower;
+-	this->_M_table = this->_M_c_locale_ctype->__ctype_b;
++	//this->_M_table = this->_M_c_locale_ctype->__ctype_b;
++	throw 3;
+       }
+   }
+ 
out</a><a href='/guix/'>summary</a><a href='/guix/refs/?id=07b7a45a49bb85a3e9788589c671471d4332425e'>refs</a><a class='active' href='/guix/log/gnu/services/avahi.scm'>log</a><a href='/guix/tree/gnu/services/avahi.scm?id=07b7a45a49bb85a3e9788589c671471d4332425e'>tree</a><a href='/guix/commit/gnu/services/avahi.scm?id=07b7a45a49bb85a3e9788589c671471d4332425e'>commit</a><a href='/guix/diff/gnu/services/avahi.scm?id=07b7a45a49bb85a3e9788589c671471d4332425e'>diff</a></td><td class='form'><form class='right' method='get' action='/guix/log/gnu/services/avahi.scm'>
<input type='hidden' name='id' value='07b7a45a49bb85a3e9788589c671471d4332425e'/><select name='qt'>
<option value='grep'>log msg</option>
<option value='author'>author</option>
<option value='committer'>committer</option>
<option value='range'>range</option>
</select>
<input class='txt' type='search' size='10' name='q' value=''/>
<input type='submit' value='search'/>
</form>
</td></tr></table>
<div class='path'>path: <a href='/guix/log/?id=07b7a45a49bb85a3e9788589c671471d4332425e'>root</a>/<a href='/guix/log/gnu?id=07b7a45a49bb85a3e9788589c671471d4332425e'>gnu</a>/<a href='/guix/log/gnu/services?id=07b7a45a49bb85a3e9788589c671471d4332425e'>services</a>/<a href='/guix/log/gnu/services/avahi.scm?id=07b7a45a49bb85a3e9788589c671471d4332425e'>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=07b7a45a49bb85a3e9788589c671471d4332425e&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2019-01-16 14:07:37 +0100'>2019-01-16</span></td><td><a href='/guix/commit/gnu/services/avahi.scm?id=2e04ab7147948b51d4e437ca9ba910530ac2a788'>services: avahi: Deprecate the 'avahi-service' procedure.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2018-02-19 00:33:34 +0100'>2018-02-19</span></td><td><a href='/guix/commit/gnu/services/avahi.scm?id=37084ba5613d3ef9d38c7e8d0ea6ac3d4155cea9'>services: avahi: Publish '_workstation._tcp' by default.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2018-02-19 00:33:34 +0100'>2018-02-19</span></td><td><a href='/guix/commit/gnu/services/avahi.scm?id=ad7a807d84827f504d492cc1e2ac84f287fd29f6'>services: avahi: Read PID file from /run.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2018-02-15 10:16:00 +0100'>2018-02-15</span></td><td><a href='/guix/commit/gnu/services/avahi.scm?id=9859b5c190b43a2d53f03f1ac71bad20c74b632b'>gnu: nss-mdns: Update to 0.12.0.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2018-02-09 15:17:41 +0100'>2018-02-09</span></td><td><a href='/guix/commit/gnu/services/avahi.scm?id=a68fdfea96370c8a4b95af1fcd6e2fd7eb72da29'>services: avahi: Default to nss-mdns 0.10.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2017-11-05 15:29:52 +0100'>2017-11-05</span></td><td><a href='/guix/commit/gnu/services/avahi.scm?id=21b71b01e9c2264c31ef30451c152bb38cc9e635'>services: Add 'description' fields.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>