Use gcc as the default C compiler if CC is not set.


--- gobject-introspection-1.44.0.orig/giscanner/__init__.py	2014-08-04 22:37:07.000000000 +0800
+++ gobject-introspection-1.44.0/giscanner/__init__.py	2015-04-20 17:30:26.507697234 +0800
@@ -22,3 +22,5 @@
 builddir = os.environ.get('UNINSTALLED_INTROSPECTION_BUILDDIR')
 if builddir is not None:
     __path__.append(os.path.join(builddir, 'giscanner'))
+if not 'CC' in os.environ:
+    os.environ['CC'] = 'gcc'
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<tr><td><span title='2021-09-21 20:35:49 +0000'>2021-09-21</span></td><td><a href='/guix/commit/gnu/installer/keymap.scm?id=d58e52b0713648dd30d41b41277854a935d8d15a'>installer: keymap: Fix optional fields handling.</a><span class='msg-avail'>...<span class='msg-tooltip'>Fixes: &lt;https://issues.guix.gnu.org/50723&gt;.

The keymap xml contains optional shortDescription and description fields. The
assoc-ref call on those fields can return false, handle it correctly.

* gnu/installer/keymap.scm (xkb-rules-&gt;models+layouts): Introduce a new
"maybe-empty" helper to deal with optional fields. Use it for shortDescription
and description fields.
</span></span></td><td>Mathieu Othacehe</td></tr>
<tr><td><span title='2020-04-09 02:42:54 +0000'>2020-04-09</span></td><td><a href='/guix/commit/gnu/installer/keymap.scm?id=91c231a2223440081426929828a23c7baa0214fd'>installer: Allow Alt+Shift toggle from non-Latin keyboard layouts.</a><span class='msg-avail'>...<span class='msg-tooltip'>Fixes &lt;https://bugs.gnu.org/40493&gt;.

* gnu/installer/newt/keymap.scm (%non-latin-layouts): New variable.
(%non-latin-variants): New variable.
(%latin-layout+variants): New variable.
(toggleable-latin-layout): New procedure to compute combined layouts.
(run-keymap-page): Use it.
(keyboard-layout-&gt;configuration): Apply it in config.scm.
(run-layout-page): Mention Alt+Shift.
* gnu/installer/keymap.scm (kmscon-update-keymap): Pass on XKB options.
* gnu/installer/record.scm (&lt;installer&gt;): Adjust code comments.
* gnu/installer.scm (apply-keymap): Pass on XKB options.
(installer-steps): Adjust code comments.
* gnu/packages/patches/kmscon-runtime-keymap-switch.patch: Apply XKB options.
</span></span></td><td>Florian Pelz</td></tr>
port leak in 'secret-service-send-secrets'.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/build/secret-service.scm (secret-service-send-secrets): Use
'call-with-input-file' instead of 'open-input-file'.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2020-09-29 21:56:27 +0200'>2020-09-29</span></td><td><a href='/guix/commit/gnu/build/secret-service.scm?id=4d047853da76dc5fa5dd50ecb750c861342ef47b'>secret-service: Add a timeout when waiting for a client.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/build/secret-service.scm (secret-service-receive-secrets)
[wait-for-client]: Call 'select' with a 60s timeout before 'accept'.
Return #f upon timeout.
[read-secrets]: Return FILES on success.
Adjust caller of 'wait-for-client' to handle #f.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2020-09-29 21:56:26 +0200'>2020-09-29</span></td><td><a href='/guix/commit/gnu/build/secret-service.scm?id=118b6dbb46ff3376db7467301fe59673c042d220'>secret-service: Clarify the origin of messages.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/build/secret-service.scm (secret-service-send-secrets)
(secret-service-receive-secrets): Prefix messages by "secret service".
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2020-09-01 16:06:38 +0200'>2020-09-01</span></td><td><a href='/guix/commit/gnu/build/secret-service.scm?id=ec32d4f291b3cc039a99f8090b6c2b2444be5a83'>services: Add secret-service-type.</a><span class='msg-avail'>...<span class='msg-tooltip'>This adds a "secret-service" that can be added to a Childhurd VM to receive
out-of-band secrets (keys) sent from the host.

Co-authored-by: Ludovic Courtès &lt;ludo@gnu.org&gt;

* gnu/services/virtualization.scm (secret-service-activation): New procedure.
(secret-service-type): New variable.
* gnu/build/secret-service.scm: New file.
* gnu/local.mk (GNU_SYSTEM_MODULES): Add it.
</span></span></td><td>Jan (janneke) Nieuwenhuizen</td></tr>