--- /dev/null
+index() is a legacy function, not implemented in some uClibc
+configurations.
+
+Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
+---
+ libmb/mbexp.c | 2 +-
+ libmb/mbmenu.c | 2 +-
+ 2 files changed, 2 insertions(+), 2 deletions(-)
+
+Index: libmatchbox-1.9/libmb/mbexp.c
+===================================================================
+--- libmatchbox-1.9.orig/libmb/mbexp.c
++++ libmatchbox-1.9/libmb/mbexp.c
+@@ -492,7 +492,7 @@
+
+ /* get the family */
+
+- if (index(spec, ',') != NULL || index(spec, '-') != NULL)
++ if (strchr(spec, ',') != NULL || strchr(spec, '-') != NULL)
+ has_comma_delim = True;
+
+ while (!got_family) {
+Index: libmatchbox-1.9/libmb/mbmenu.c
+===================================================================
+--- libmatchbox-1.9.orig/libmb/mbmenu.c
++++ libmatchbox-1.9/libmb/mbmenu.c
+@@ -433,7 +433,7 @@
+ {
+ s = p;
+ found = NULL;
+- while(index("/\0", *p) == NULL) p++;
++ while(strchr("/\0", *p) == NULL) p++;
+ if (*p != '\0') { *p = '\0'; p++; };
+
+ item = current->items;