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This patch makes GTK+ look for additional modules in a list of directories
specified by the environment variable "GUIX_GTK2_PATH". This can be used
instead of "GTK_PATH" to make GTK+ find modules that are incompatible with
other major versions of GTK+.
--- a/gtk/gtkmodules.c 2014-09-29 22:02:17.000000000 +0200
+++ b/gtk/gtkmodules.c 2015-12-02 18:41:53.306396938 +0100
@@ -55,6 +55,7 @@
get_module_path (void)
{
const gchar *module_path_env;
+ const gchar *module_guix_gtk2_path_env;
const gchar *exe_prefix;
const gchar *home_dir;
gchar *home_gtk_dir = NULL;
@@ -70,6 +71,7 @@
home_gtk_dir = g_build_filename (home_dir, ".gtk-2.0", NULL);
module_path_env = g_getenv ("GTK_PATH");
+ module_guix_gtk2_path_env = g_getenv ("GUIX_GTK2_PATH");
exe_prefix = g_getenv ("GTK_EXE_PREFIX");
if (exe_prefix)
@@ -77,9 +79,21 @@
else
default_dir = g_build_filename (GTK_LIBDIR, "gtk-2.0", NULL);
- if (module_path_env && home_gtk_dir)
+ if (module_guix_gtk2_path_env && module_path_env && home_gtk_dir)
+ module_path = g_build_path (G_SEARCHPATH_SEPARATOR_S,
+ module_guix_gtk2_path_env, module_path_env, home_gtk_dir, default_dir, NULL);
+ else if (module_guix_gtk2_path_env && home_gtk_dir)
+ module_path = g_build_path (G_SEARCHPATH_SEPARATOR_S,
+ module_guix_gtk2_path_env, home_gtk_dir, default_dir, NULL);
+ else if (module_guix_gtk2_path_env && module_path_env)
+ module_path = g_build_path (G_SEARCHPATH_SEPARATOR_S,
+ module_guix_gtk2_path_env, module_path_env, default_dir, NULL);
+ else if (module_path_env && home_gtk_dir)
module_path = g_build_path (G_SEARCHPATH_SEPARATOR_S,
module_path_env, home_gtk_dir, default_dir, NULL);
+ else if (module_guix_gtk2_path_env)
+ module_path = g_build_path (G_SEARCHPATH_SEPARATOR_S,
+ module_guix_gtk2_path_env, default_dir, NULL);
else if (module_path_env)
module_path = g_build_path (G_SEARCHPATH_SEPARATOR_S,
module_path_env, default_dir, NULL);
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