Skip Thai character test when libthai is unavailable.

Taken from upstream bug tracker:
https://gitlab.gnome.org/GNOME/pango/merge_requests/161
https://gitlab.gnome.org/GNOME/pango/commit/b73284747ac937e31dc9191f84ed6e24284c88ee

diff --git a/tests/test-break.c b/tests/test-break.c
index 8549b678bba69360d07dce3af21d915412f20d51..47fa3009165e19a331aa04a0df4351ae2323933b 100644
--- a/tests/test-break.c
+++ b/tests/test-break.c
@@ -305,6 +305,12 @@ main (int argc, char *argv[])
       if (!strstr (name, "break"))
         continue;
 
+#ifndef HAVE_LIBTHAI
+      /* four.break involves Thai, so only test it when we have libthai */
+      if (strstr (name, "four.break"))
+        continue;
+#endif
+
       path = g_strdup_printf ("/break/%s", name);
       g_test_add_data_func_full (path, g_test_build_filename (G_TEST_DIST, "breaks", name, NULL),
                                  test_break, g_free);
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<tr><td><span title='2021-01-17 11:04:25 +0100'>2021-01-17</span></td><td><a href='/guix/commit/gnu/system/image.scm?id=2f497d94e7f6574b0847025ce29eafaf858008ef'>image: Rename "raw" image-type to "efi-raw".</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/system/image.scm (raw-image-type): Rename to "efi-raw-image-type".
* guix/scripts/system.scm (%default-options): Adapt accordingly.
* doc/guix.texi: Ditto.

Signed-off-by: Mathieu Othacehe &lt;othacehe@gnu.org&gt;
</span></span></td><td>Mathieu Othacehe</td></tr>
<tr><td><span title='2021-01-10 16:07:44 +0100'>2021-01-10</span></td><td><a href='/guix/commit/gnu/system/image.scm?id=b6473e506e4161b539fe710fb1b3e69eaeac7069'>system: image: Fix root offset on rockchip platforms.</a><span class='msg-avail'>...<span class='msg-tooltip'>Fixes: &lt;https://issues.guix.gnu.org/45584&gt;.

* gnu/system/image.scm (arm32-disk-image, arm64-disk-image): Turn into
procedures, taking the root partition offset as argument.
* gnu/system/images/novena.scm (novena-image-type): Adapt accordingly.
* gnu/system/images/pine64.scm (pine64-image-type): Ditto.
* gnu/system/images/pinebook-pro.scm (pinebook-pro-image-type): Use a 9MiB
offset for the root partition.
</span></span></td><td>Mathieu Othacehe</td></tr>
<tr><td><span title='2020-12-04 14:06:49 +0100'>2020-12-04</span></td><td><a href='/guix/commit/gnu/system/image.scm?id=83de7ee662fd42cce410dd8c395922647f3aeb13'>image: Fix ISO image production.</a><span class='msg-avail'>...<span class='msg-tooltip'>This is a follow-up of 41f27bf8702838f19b1dc5ffee8eec1d4315d4e6.

* gnu/system/image.scm (operating-system-for-image): Force "volatile-root?" to
true when producing ISO images.
</span></span></td><td>Mathieu Othacehe</td></tr>
<tr><td><span title='2020-11-17 15:20:02 -0500'>2020-11-17</span></td><td><a href='/guix/commit/gnu/system/image.scm?id=1ec366cdfd92e4913ab7d1096520410272e3c89c'>image: Remove conflicting user-provided EFI file system.</a><span class='msg-avail'>...<span class='msg-tooltip'>When the image type is "raw" or derived from it (such as "qcow2"), an ESP
partition and file system is already added by the image generator.  If a
conflicting user-provided EFI file system is provided, it causes the boot to
fail, as happens for the lightweight-desktop.tmpl and desktop.tmpl templates
under gnu/system/examples.

* gnu/system/image.scm (operating-system-for-image): Remove file systems whose
mount point is "/boot/efi".
</span></span></td><td>Maxim Cournoyer</td></tr>
<tr><td><span title='2020-11-08 14:28:32 +0100'>2020-11-08</span></td><td><a href='/guix/commit/gnu/system/image.scm?id=f9926c071fac87925564b304c74dd6f2840b60a2'>image: Offload "disk-image" derivations.</a><span class='msg-avail'>...<span class='msg-tooltip'>This is a followup to 99efa804bd6df5de4760ec5974ed2297f1746366.

* gnu/system/image.scm (system-disk-image): Pass #:local-build? #f to
'computed-file'.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2020-11-03 23:47:14 +0100'>2020-11-03</span></td><td><a href='/guix/commit/gnu/system/image.scm?id=99efa804bd6df5de4760ec5974ed2297f1746366'>image: Allow offloading of "partition.img" and "image.iso" builds.</a><span class='msg-avail'>...<span class='msg-tooltip'>This builds are extremely I/O-intensive so they'd rather not run on the
head node of the build farm.

* gnu/system/image.scm (system-disk-image, system-iso9660-image): Pass
  #:local-build? #f.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2020-11-02 17:17:52 +0100'>2020-11-02</span></td><td><a href='/guix/commit/gnu/system/image.scm?id=c0458011174ece1871ed980b07a092615e1a5d3d'>system: image: Introduce arm32-raw image type.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/system/image.scm (arm32-disk-image, arm32-image-type): New variables.
(arm64-disk-image): Inherit from arm32-disk-image.
(arm64-image-type): Change name to 'arm64-raw.
</span></span></td><td>Mathieu Othacehe</td></tr>