use full versions of libiconv, gettext; fix glib2

gettext/patches/004-gnulib-uclibc-sched_param-def.patch

@@ -0,0 +1,17 @@
+uclibc defines __GLIBC__ but it does not expose struct shed_param as much as glibc
+and is not needed too per standard. gnulib attempts to use it but we have to account
+for it because in this case uclibc does not behave like glibc.
+
+-Khem
+
+--- a/gettext-tools/gnulib-lib/spawn.in.h
++++ b/gettext-tools/gnulib-lib/spawn.in.h
+@@ -31,7 +31,7 @@
+ 
+ /* Get definitions of 'struct sched_param' and 'sigset_t'.
+    But avoid namespace pollution on glibc systems.  */
+-#ifndef __GLIBC__
++#if !defined __GLIBC__ || defined __UCLIBC__
+ # include <sched.h>
+ # include <signal.h>
+ #endif