This patch replaces the environment variable "GTK_IM_MODULE" with
"GUIX_GTK2_IM_MODULE_FILE" to prevent this version of GTK+ from loading input
method modules for other major versions of GTK+.

--- gtk+-2.24.30/gtk/gtkrc.c	2016-08-21 22:40:22.339660438 +0200
+++ gtk+-2.24.30/gtk/gtkrc.c	2016-08-23 10:11:11.080822710 +0200
@@ -439,7 +439,7 @@
 gchar *
 gtk_rc_get_im_module_file (void)
 {
-  const gchar *var = g_getenv ("GTK_IM_MODULE_FILE");
+  const gchar *var = g_getenv ("GUIX_GTK2_IM_MODULE_FILE");
   gchar *result = NULL;
 
   if (var)
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<tr><td><span title='2020-12-22 16:32:29 +0100'>2020-12-22</span></td><td><a href='/guix/commit/gnu/packages/benchmark.scm?id=b9ab9fee74311c8f56a5147b6dea789075b1fa82'>gnu: intel-mpi-benchmarks: Update to 2019.6.</a><span class='msg-avail'>...</span></td><td>Greg Hogan</td></tr>
<tr><td><span title='2020-12-20 22:47:05 -0500'>2020-12-20</span></td><td><a href='/guix/commit/gnu/packages/benchmark.scm?id=5795f566fae85023c6be86fe62388c29e6ac5c51'>gnu: Add python-locust.</a><span class='msg-avail'>...</span></td><td>Maxim Cournoyer</td></tr>
<tr><td><span title='2020-12-06 23:50:43 +0100'>2020-12-06</span></td><td><a href='/guix/commit/gnu/packages/benchmark.scm?id=9b5ed03969cd8e1f31c7428523a682a6a6dd82e8'>gnu: fio: Update to 3.25.</a><span class='msg-avail'>...</span></td><td>Tobias Geerinckx-Rice</td></tr>
<tr><td><span title='2020-11-15 00:12:11 +0100'>2020-11-15</span></td><td><a href='/guix/commit/gnu/packages/benchmark.scm?id=808fc71e7c127766d057d099e728464d98e84706'>gnu: fio: Update to 3.24.</a><span class='msg-avail'>...</span></td><td>Tobias Geerinckx-Rice</td></tr>
<tr><td><span title='2020-10-26 22:56:29 +0100'>2020-10-26</span></td><td><a href='/guix/commit/gnu/packages/benchmark.scm?id=d1ecb3bded7ddbbccd9a8720a9aa8cf10809fa5e'>gnu: benchmark: Update to 1.5.2</a><span class='msg-avail'>...</span></td><td>Malte Frank Gerdes</td></tr>
<tr><td><span title='2020-09-15 14:57:07 +0200'>2020-09-15</span></td><td><a href='/guix/commit/gnu/packages/benchmark.scm?id=e880e63740645e3ece981c555d8c51ae68b26cdc'>gnu: fio: Update to 3.23.</a><span class='msg-avail'>...</span></td><td>Tobias Geerinckx-Rice</td></tr>
<tr><td><span title='2020-08-18 23:54:55 +0200'>2020-08-18</span></td><td><a href='/guix/commit/gnu/packages/benchmark.scm?id=db2afe00559b4e18a20ff5c00739aefd7d306786'>gnu: fio: Update to 3.22.</a><span class='msg-avail'>...</span></td><td>Tobias Geerinckx-Rice</td></tr>
<tr><td><span title='2020-07-23 16:25:10 +0200'>2020-07-23</span></td><td><a href='/guix/commit/gnu/packages/benchmark.scm?id=821237566fbe5770b9cfd932b0ba510a377cd6dd'>gnu: fio: Update to 3.21.</a><span class='msg-avail'>...</span></td><td>Tobias Geerinckx-Rice</td></tr>
<tr><td><span title='2020-07-12 23:08:15 +0200'>2020-07-12</span></td><td><a href='/guix/commit/gnu/packages/benchmark.scm?id=b0e7b6992f3f845e83cfbca4d700b51dba50b4d5'>gnu: Remove ".git" from "https://github/…/….git".</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>