SFEcairo-dock error snv_151 i386

+ cmake .. -DFORCE_LIB64=yes -DCMAKE_INSTALL_PREFIX=/usr
-- The C compiler identification is GNU
-- The CXX compiler identification is GNU
-- Check for working C compiler: /usr/bin/gcc
-- Check for working C compiler: /usr/bin/gcc -- works
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Check for working CXX compiler: /usr/bin/g++
-- Check for working CXX compiler: /usr/bin/g++ -- works
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - done
CMake Error at /usr/gnu/share/cmake-2.8/Modules/FindPkgConfig.cmake:306 (message):
  pkg-config tool not found
Call Stack (most recent call first):
  /usr/gnu/share/cmake-2.8/Modules/FindPkgConfig.cmake:320 (_pkg_check_modules_internal)
  CMakeLists.txt:64 (pkg_check_modules)


-- Looking for encrypt in crypt
-- Looking for encrypt in crypt - found
-- Looking for include files HAVE_MATH_H
-- Looking for include files HAVE_MATH_H - found
-- Looking for LC_MESSAGES
-- Looking for LC_MESSAGES - found
-- Looking for sin in m
-- Looking for sin in m - found
--
-- Cairo-Dock will be compiled with the following options :
--  * Use X Extensions : no
--  * crypt passwords : yes
--
--   Building ja.gmo...
--   Building ca.gmo...
--   Building fo.gmo...
--   Building be.gmo...
--   Building es.gmo...
--   Building uk.gmo...
--   Building pt_BR.gmo...
--   Building fi.gmo...
--   Building nl.gmo...
--   Building pt.gmo...
--   Building eu.gmo...
--   Building sk.gmo...
--   Building et.gmo...
--   Building de.gmo...
--   Building cs.gmo...
--   Building zh_TW.gmo...
--   Building hu.gmo...
--   Building oc.gmo...
--   Building zh_CN.gmo...
--   Building sv.gmo...
--   Building it.gmo...
--   Building ru.gmo...
--   Building nb.gmo...
--   Building tr.gmo...
--   Building sr.gmo...
--   Building el.gmo...
--   Building ar.gmo...
--   Building fr.gmo...
--   Building en.gmo...
--   Building vi.gmo...
-- Configuring incomplete, errors occurred!