See https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86724
Author: Rainer Jung
Date: 2018-07-29

isl 0.20 stopped including other unused header files in their header files.
Therefore,now it's necessary to include the stuff ourselves.
--- .../gcc/graphite.h 2018-01-03 11:03:58.000000000 +0000
+++ .../gcc/graphite.h 2018-07-29 17:42:55.836121000 +0000
@@ -37,6 +37,8 @@
 #include <isl/schedule.h>
 #include <isl/ast_build.h>
 #include <isl/schedule_node.h>
+#include <isl/id.h>
+#include <isl/space.h>

 typedef struct poly_dr *poly_dr_p;
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<option value='koszko-scripts'>koszko-scripts</option>
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<tr><td class='sub'>Wojtek's customized Guix</td><td class='sub right'></td></tr></table>
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<div class='path'>path: <a href='/guix/log/?id=e6415c307262c1b43ebf7401174842df25eeeb71'>root</a>/<a href='/guix/log/.gitignore?id=e6415c307262c1b43ebf7401174842df25eeeb71'>.gitignore</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/.gitignore?id=e6415c307262c1b43ebf7401174842df25eeeb71&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2023-10-22 20:35:15 -0400'>2023-10-22</span></td><td><a href='/guix/commit/.gitignore?id=4cf4dcb8b31274a8dfba6bae3a6826a1b521da3f'>teams: Adjust shebang to use 'guix repl'.</a><span class='msg-avail'>...<span class='msg-tooltip'>This ensures the correct Guix dependencies are always available for the
script.

* etc/teams.scm.in: Rename to...
* etc/teams.scm: ... this.  Adjust shebang.
* .gitignore: No longer ignore it.
* configure.ac: Do not process it with AC_CONFIG_FILES.

Reported-by: Clément Lassieur &lt;clement@lassieur.org&gt;
Fixes: https://issues.guix.gnu.org/66605
Change-Id: I7a01750c6c5f0696b6c36b1e6caa9389d9e6822c
</span></span></td><td>Maxim Cournoyer</td></tr>
<tr><td><span title='2023-04-24 15:32:54 +0100'>2023-04-24</span></td><td><a href='/guix/commit/.gitignore?id=23f11afacdfe755ffa514a8cbf93ba1121b9db0d'>Add mumi config.</a><span class='msg-avail'>...<span class='msg-tooltip'>* .mumi/config: New file.
* .gitignore: Add .mumi/current-issue.
</span></span></td><td>Arun Isaac</td></tr>
<tr><td><span title='2022-07-03 14:12:32 +0200'>2022-07-03</span></td><td><a href='/guix/commit/.gitignore?id=4eaf90470f466b3fdab87f6961cb18bb348d433f'>etc: Add teams.scm.</a><span class='msg-avail'>...<span class='msg-tooltip'>* etc/teams.scm.in: New file.
* configure.ac: Generate executable.
* .gitignore: Ignore generated file.
</span></span></td><td>Ricardo Wurmus</td></tr>
<tr><td><span title='2022-06-05 21:27:53 +0200'>2022-06-05</span></td><td><a href='/guix/commit/.gitignore?id=4d47c2c723927ad4ad4142bd517c6ccc03c27528'>gitignore: Add .DS_Store.</a><span class='msg-avail'>...<span class='msg-tooltip'>Ignore MacOS specific file: https://en.wikipedia.org/wiki/.DS_Store

Signed-off-by: Mathieu Othacehe &lt;othacehe@gnu.org&gt;
</span></span></td><td>Pavel Shlyak</td></tr>
<tr><td><span title='2021-10-16 01:44:34 -0400'>2021-10-16</span></td><td><a href='/guix/commit/.gitignore?id=066b1b8f781c7739f8056b81e20adf0b979614bc'>.gitignore: Ignore more autotools directories.</a><span class='msg-avail'>...<span class='msg-tooltip'>* .gitignore: Add pattern to ignore ".am[0-9]*/".

Signed-off-by: Maxim Cournoyer &lt;maxim.cournoyer@gmail.com&gt;
</span></span></td><td>Sarah Morgensen</td></tr>
<tr><td><span title='2021-10-16 01:44:30 -0400'>2021-10-16</span></td><td><a href='/guix/commit/.gitignore?id=a599fcd4b09f3df3d6be66b4e64512e482697a96'>.gitignore: Ignore more temporary test directories.</a><span class='msg-avail'>...<span class='msg-tooltip'>* .gitignore: Add pattern to ignore "/t-*/".

Signed-off-by: Maxim Cournoyer &lt;maxim.cournoyer@gmail.com&gt;
</span></span></td><td>Sarah Morgensen</td></tr>
<tr><td><span title='2021-09-20 14:18:21 +0000'>2021-09-20</span></td><td><a href='/guix/commit/.gitignore?id=5c4fd77097e2cecfd4780e099af7954f86779fe1'>etc: Add systemd files for running ‘guix gc’ periodically</a><span class='msg-avail'>...<span class='msg-tooltip'>* etc/guix-gc.service.in: New file.
* etc/guix-gc.timer: Likewise.
* .gitignore: Ignore generated ‘guix-gc.service’.
* nix/local.mk (nodist_systemdservice_DATA): Add ‘guix-gc.service’ and
‘guix-gc.timer’.
(EXTRA_DIST): Add ‘guix-gc.service.in’ and ‘guix-gc.timer’.
* doc/guix.texi (Binary Installation): Mention the new systemd files.

Signed-off-by: Mathieu Othacehe &lt;othacehe@gnu.org&gt;
</span></span></td><td>Thiago Jung Bauermann</td></tr>