pkg-config spew

aspen:python toddysm$ sudo pkg-config --variable pc_path pkg-config
/opt/local/lib/pkgconfig:/opt/local/share/pkgconfig
aspen:python toddysm$ export PKG_CONFIG_PATH=/usr/local/lib/pkgconfig
aspen:python toddysm$ pkg-config --variable pc_path pkg-config
PKG_CONFIG_DEBUG_SPEW variable enabling debug spew
Adding directory '/usr/local/lib/pkgconfig' from PKG_CONFIG_PATH
Adding directory '/opt/local/lib/pkgconfig' from PKG_CONFIG_PATH
Adding directory '/opt/local/share/pkgconfig' from PKG_CONFIG_PATH
Global variable definition 'pc_sysrootdir' = '/'
Global variable definition 'pc_top_builddir' = '$(top_builddir)'
Option --variable seen
Error printing disabled by default, value of --print-errors: 1
Error printing enabled
Adding virtual 'pkg-config' package to list of known packages
Scanning directory '/usr/local/lib/pkgconfig'
Ignoring file '.' in search directory; not a .pc file
Ignoring file '..' in search directory; not a .pc file
File 'cld.pc' appears to be a .pc file
Will find package 'cld' in file '/usr/local/lib/pkgconfig/cld.pc'
Scanning directory '/opt/local/lib/pkgconfig'
Ignoring file '.' in search directory; not a .pc file
Ignoring file '..' in search directory; not a .pc file
File 'expat.pc' appears to be a .pc file
Will find package 'expat' in file '/opt/local/lib/pkgconfig/expat.pc'
File 'form.pc' appears to be a .pc file
Will find package 'form' in file '/opt/local/lib/pkgconfig/form.pc'
File 'formw.pc' appears to be a .pc file
Will find package 'formw' in file '/opt/local/lib/pkgconfig/formw.pc'
File 'gio-2.0.pc' appears to be a .pc file
Will find package 'gio-2.0' in file '/opt/local/lib/pkgconfig/gio-2.0.pc'
File 'gio-unix-2.0.pc' appears to be a .pc file
Will find package 'gio-unix-2.0' in file '/opt/local/lib/pkgconfig/gio-unix-2.0.pc'
File 'glib-2.0.pc' appears to be a .pc file
Will find package 'glib-2.0' in file '/opt/local/lib/pkgconfig/glib-2.0.pc'
File 'gmodule-2.0.pc' appears to be a .pc file
Will find package 'gmodule-2.0' in file '/opt/local/lib/pkgconfig/gmodule-2.0.pc'
File 'gmodule-export-2.0.pc' appears to be a .pc file
Will find package 'gmodule-export-2.0' in file '/opt/local/lib/pkgconfig/gmodule-export-2.0.pc'
File 'gmodule-no-export-2.0.pc' appears to be a .pc file
Will find package 'gmodule-no-export-2.0' in file '/opt/local/lib/pkgconfig/gmodule-no-export-2.0.pc'
File 'gobject-2.0.pc' appears to be a .pc file
Will find package 'gobject-2.0' in file '/opt/local/lib/pkgconfig/gobject-2.0.pc'
File 'gthread-2.0.pc' appears to be a .pc file
Will find package 'gthread-2.0' in file '/opt/local/lib/pkgconfig/gthread-2.0.pc'
File 'libffi.pc' appears to be a .pc file
Will find package 'libffi' in file '/opt/local/lib/pkgconfig/libffi.pc'
File 'libxml-2.0.pc' appears to be a .pc file
Will find package 'libxml-2.0' in file '/opt/local/lib/pkgconfig/libxml-2.0.pc'
File 'menu.pc' appears to be a .pc file
Will find package 'menu' in file '/opt/local/lib/pkgconfig/menu.pc'
File 'menuw.pc' appears to be a .pc file
Will find package 'menuw' in file '/opt/local/lib/pkgconfig/menuw.pc'
File 'ncurses++.pc' appears to be a .pc file
Will find package 'ncurses++' in file '/opt/local/lib/pkgconfig/ncurses++.pc'
File 'ncurses++w.pc' appears to be a .pc file
Will find package 'ncurses++w' in file '/opt/local/lib/pkgconfig/ncurses++w.pc'
File 'ncurses.pc' appears to be a .pc file
Will find package 'ncurses' in file '/opt/local/lib/pkgconfig/ncurses.pc'
File 'ncursesw.pc' appears to be a .pc file
Will find package 'ncursesw' in file '/opt/local/lib/pkgconfig/ncursesw.pc'
File 'panel.pc' appears to be a .pc file
Will find package 'panel' in file '/opt/local/lib/pkgconfig/panel.pc'
File 'panelw.pc' appears to be a .pc file
Will find package 'panelw' in file '/opt/local/lib/pkgconfig/panelw.pc'
File 'zlib.pc' appears to be a .pc file
Will find package 'zlib' in file '/opt/local/lib/pkgconfig/zlib.pc'
Cannot open directory '/opt/local/share/pkgconfig' in package search path: No such file or directory
/opt/local/lib/pkgconfig:/opt/local/share/pkgconfig
aspen:python toddysm$