[Buildroot] [Bug 4219] can't complie microperl with error undefined reference to `__ctype_b'

[bugzilla at busybox.net]

https://bugs.busybox.net/show_bug.cgi?id=4219

--- Comment #2 from Thomas Petazzoni <thomas.petazzoni at free-electrons.com>  ---
I guess your uClibc lacks UCLIBC_HAS_CTYPE_TABLES, which is enabled in the
default uClibc configuration that Buildroot uses to build a toolchain. Can you
check your uClibc configuration ?

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