This patch allows us to use glibc's build system to build locales
in a package separate from glibc.

  1. Use 'localedef' from $PATH since we are not rebuilding it.
  2. Use '--no-archive' to avoid building the big locale archive, and
     because the already-built 'localedef' would want to write it
     to '/run/current-system/locale', which is not possible.
  3. Pass $(inst_complocaledir)/$$locale to install files in the right
     place, and because otherwise, 'localedef' fails with:
     "cannot write output files to `(null)'".

--- glibc-2.27/localedata/Makefile
+++ glibc-2.27/localedata/Makefile
@@ -199,7 +199,7 @@ INSTALL-SUPPORTED-LOCALES=$(addprefix install-, $(SUPPORTED-LOCALES))
 
 # Sometimes the whole collection of locale files should be installed.
 LOCALEDEF=I18NPATH=. GCONV_PATH=$(common-objpfx)iconvdata LC_ALL=C \
-$(rtld-prefix) $(common-objpfx)locale/localedef
+  localedef --no-archive
 install-locales: $(INSTALL-SUPPORTED-LOCALES)
 
 install-locales-dir:
@@ -224,7 +224,7 @@ $(INSTALL-SUPPORTED-LOCALES): install-locales-dir
 	input=`echo $$locale | sed 's/\([^.]*\)[^@]*\(.*\)/\1\2/'`; \
 	$(LOCALEDEF) $$flags --alias-file=../intl/locale.alias \
 		     -i locales/$$input -f charmaps/$$charset \
-		     $(addprefix --prefix=,$(install_root)) $$locale \
+		     $(addprefix --prefix=,$(install_root)) $(inst_complocaledir)/$$locale \
 	&& echo ' done'; \
 
 tst-setlocale-ENV = LC_ALL=ja_JP.EUC-JP
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<div class='path'>path: <a href='/guix/log/?id=de194a39d3d49c7424d08e04b675ff649035e7b1'>root</a>/<a href='/guix/log/tests?id=de194a39d3d49c7424d08e04b675ff649035e7b1'>tests</a>/<a href='/guix/log/tests/profiles.scm?id=de194a39d3d49c7424d08e04b675ff649035e7b1'>profiles.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/profiles.scm?id=de194a39d3d49c7424d08e04b675ff649035e7b1&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2020-12-07 12:48:26 +0100'>2020-12-07</span></td><td><a href='/guix/commit/tests/profiles.scm?id=07340cbebc1ef97c0196c631144775f5ce61d4f6'>profiles: Delete duplicate manifest entries in packages-&gt;manifest.</a><span class='msg-avail'>...</span></td><td>Leo Prikler</td></tr>
<tr><td><span title='2020-12-07 12:48:25 +0100'>2020-12-07</span></td><td><a href='/guix/commit/tests/profiles.scm?id=f5d952c5f50cd9c6005cdf47dda5bccb6e428119'>profiles: Remove duplicates in manifest transactions.</a><span class='msg-avail'>...</span></td><td>Leo Prikler</td></tr>
<tr><td><span title='2020-04-26 22:49:48 +0200'>2020-04-26</span></td><td><a href='/guix/commit/tests/profiles.scm?id=ef674a24c527eaf54801707d34dbf5d12ec139cb'>profiles: Add lowerable &lt;profile&gt; record type.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2019-11-22 15:07:58 +0100'>2019-11-22</span></td><td><a href='/guix/commit/tests/profiles.scm?id=ce30a0eb7e21481815df379b4621aa48a13200bb'>profiles: Add 'concatenate-manifests'.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2019-06-14 21:57:39 +0200'>2019-06-14</span></td><td><a href='/guix/commit/tests/profiles.scm?id=03d76577b96ba81c9921eb3a297d42db8644280b'>tests: Make builds less expensive.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2019-02-07 15:46:45 +0100'>2019-02-07</span></td><td><a href='/guix/commit/tests/profiles.scm?id=487cbb0164c715e722b622fa800fa0b217fa132c'>profiles: Raise an error for unmatched patterns.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2019-01-20 01:42:11 +0100'>2019-01-20</span></td><td><a href='/guix/commit/tests/profiles.scm?id=38b77f34640ff8a491913d29abcd16a846f2d0e4'>profiles: Allow a profile to be added as an entry of another profile.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2019-01-20 01:42:11 +0100'>2019-01-20</span></td><td><a href='/guix/commit/tests/profiles.scm?id=2d17a904aca81ed91c5a33ba15d244bca78ac4b8'>tests: Adjust to python.scm split.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2018-11-12 23:37:13 +0100'>2018-11-12</span></td><td><a href='/guix/commit/tests/profiles.scm?id=9ed86fe175c15c819d6d86681c8136ff6bc927c0'>tests: Add 'test-assertm' to (guix tests).</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2018-09-11 00:14:58 +0200'>2018-09-11</span></td><td><a href='/guix/commit/tests/profiles.scm?id=2225d56a14a2d8d29374a14eefe90b3cffa79804'>profiles: Correctly deal with etc/ being a relative symlink.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>