netbsd-6 fontconfig update -- can't find fontconfig?

["John D. Baker" <jdbaker%mylinuxisp.com@localhost>]

While performing a pkg_rolling-replace on a netbsd-6/i386 system, I paused
to update after the latest round of pull-ups.  Among these was an update
to the fontconfig package in the release sets.  It appears to be on par
with that in "fonts/fontconfig".

Following the update, building "multimedia/libass" fails during the
configure phase:

[...]
checking for FONTCONFIG... no
configure: error: Package requirements (fontconfig >= 2.4.2) were not met:

No package 'fontconfig' found

Consider adjusting the PKG_CONFIG_PATH environment variable if you
installed software in a non-standard prefix.

Alternatively, you may set the environment variables FONTCONFIG_CFLAGS
and FONTCONFIG_LIBS to avoid the need to call pkg-config.
See the pkg-config man page for more details.
*** Error code 1


The ./configure script uses

  pkg-config --exists --print-errors "fontconfig >= 2.4.2"

which succeeds when run manually at the command line, but fails in the
configure script.  It finds neither the updated "builtin" fontconfig nor
the existing fontconfig-2.11.1nb1 package installed in late July 2014.

Is anyone else seeing issues with package builds/updates following the
update of "builtin" fontconfig?

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