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='2019-06-07 21:50:18 +0200'>2019-06-07</span></td><td><a href='/guix/commit/gnu/build/locale.scm?id=0e6cee21a48294b81a5e57e00602728fe7f7075f'>gnu: glibc-locales: Install symlinks using the normalized codeset.</a><span class='msg-avail'>...<span class='msg-tooltip'>Fixes &lt;https://bugs.gnu.org/36076&gt;.
Reported by Jack Hill &lt;jackhill@jackhill.us&gt;
and Giovanni Biscuolo &lt;g@xelera.eu&gt;

* gnu/build/locale.scm (locale-&gt;name+codeset): New file.
* gnu/packages/base.scm (make-glibc-locales): Add #:modules
and #:imported-modules.  Add a 'symlink-normalized-codesets' phase.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2019-06-07 21:50:18 +0200'>2019-06-07</span></td><td><a href='/guix/commit/gnu/build/locale.scm?id=15ec93a7832ae7dde747ccd9bb2bb2776be9f199'>Add (gnu build locale).</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/build/locale.scm: New file.
* gnu/local.mk (MODULES_NOT_COMPILED): Add it.
* gnu/installer/locale.scm (normalize-codeset): Remove.
* gnu/system/locale.scm (localedef-command): Remove.
(single-locale-directory): Use (gnu build locale).
(glibc-supported-locales)[build]: Likewise, and remove
'read-supported-locales'.
</span></span></td><td>Ludovic Courtès</td></tr>