PCRE/doc is undefined and missing

[PLG]

=== configuring in pcre (/.../codepoint.the-b.org/pcre)
configure: running /bin/sh ./configure.gnu --disable-option-checking '--prefix=/usr/local'  --cache-file=/dev/null --srcdir=.
./configure.gnu: line 3: /.../codepoint.the-b.org/pcre/configure: No such file or directory
./configure.gnu: line 3: exec: /.../codepoint.the-b.org/pcre/configure: cannot execute: No such file or directory
configure: error: ./configure.gnu failed for pcre

Workaround: I downloaded PCRE version 7.9 from ... http://sourceforge.net/projects/pcre/files/pcre/7.9/