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'
o'/></a></td>
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<div class='path'>path: <a href='/guix/log/?id=1c57703a161dbefe95f2a456bb263c9a913675ed'>root</a>/<a href='/guix/log/tests?id=1c57703a161dbefe95f2a456bb263c9a913675ed'>tests</a>/<a href='/guix/log/tests/guix-graph.sh?id=1c57703a161dbefe95f2a456bb263c9a913675ed'>guix-graph.sh</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/guix-graph.sh?id=1c57703a161dbefe95f2a456bb263c9a913675ed&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2020-09-28 21:06:36 -0500'>2020-09-28</span></td><td><a href='/guix/commit/tests/guix-graph.sh?id=d8934360d2453a403b5433e71d09188e4ed23b57'>tests: Simplify shell exit status negation;</a><span class='msg-avail'>...<span class='msg-tooltip'>* tests/guix-archive.sh, tests/guix-build-branch.sh, tests/guix-build.sh,
tests/guix-daemon.sh, tests/guix-download.sh, tests/guix-environment.sh,
tests/guix-gc.sh, tests/guix-git-authenticate.sh, tests/guix-graph.sh,
tests/guix-hash.sh, tests/guix-lint.sh, tests/guix-pack-relocatable.sh,
tests/guix-pack.sh, tests/guix-package-aliases.sh, tests/guix-package-net.sh,
tests/guix-package.sh: Use the shell '!' keyword to negate command exit status
in place of 'if ...; then false; else true; fi'
</span></span></td><td>Eric Bavier</td></tr>
<tr><td><span title='2020-05-11 23:30:55 +0200'>2020-05-11</span></td><td><a href='/guix/commit/tests/guix-graph.sh?id=88a96c568c47c97d05d883ada5afbc4e1200b10f'>guix graph: Add '--path'.</a><span class='msg-avail'>...<span class='msg-tooltip'>* guix/scripts/graph.scm (display-path): New procedure.
(%options, show-help): Add '--path'.
(guix-graph): Handle it.
* tests/guix-graph.sh: Add tests.
* doc/guix.texi (Invoking guix graph): Document it.
(Invoking guix size): Mention it.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2020-01-16 15:27:20 +0100'>2020-01-16</span></td><td><a href='/guix/commit/tests/guix-graph.sh?id=ee9a735bc8f544cf8eedc6c6a7e4ed2962663013'>graph: Add '--load-path' option.</a><span class='msg-avail'>...<span class='msg-tooltip'>* guix/scripts/graph.scm (%option): Add '--load-path' option.
* doc/guix.texi: Document it.
* tests/guix-graph.sh: Test it.
</span></span></td><td>Pierre Neidhardt</td></tr>
<tr><td><span title='2019-11-07 18:39:55 +0100'>2019-11-07</span></td><td><a href='/guix/commit/tests/guix-graph.sh?id=3e962e59d849e4300e447d94487684102d9d412e'>graph: Support package transformation options.</a><span class='msg-avail'>...<span class='msg-tooltip'>* guix/scripts/graph.scm (%options): Append %TRANSFORMATION-OPTIONS.
(show-help): Call 'show-transformation-options-help'.
(guix-graph): Call 'options-&gt;transformation' and use it.
* tests/guix-graph.sh: Add test.
* doc/guix.texi (Invoking guix graph): Document it.
</span></span></td><td>Ludovic Courtès</td></tr>