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-rw-r--r--gnu/packages/patches/gtk2-respect-GUIX_GTK2_PATH.patch46
1 files changed, 46 insertions, 0 deletions
diff --git a/gnu/packages/patches/gtk2-respect-GUIX_GTK2_PATH.patch b/gnu/packages/patches/gtk2-respect-GUIX_GTK2_PATH.patch
new file mode 100644
index 0000000000..93a8ddc242
--- /dev/null
+++ b/gnu/packages/patches/gtk2-respect-GUIX_GTK2_PATH.patch
@@ -0,0 +1,46 @@
+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);