%general-entities; ]> Pkg-config CC="gcc ${BUILD64}" \ ./configure --prefix=/usr \ --with-pc-path=/usr/share/pkgconfig On multilib builds the library direcory has been removed from the default search path of pkg-config. Set some environment variables to help set the path correctly in the future: export PKG_CONFIG_PATH32="/usr/lib/pkgconfig" export PKG_CONFIG_PATH64="/usr/lib64/pkgconfig" Export these variables to prevent any issues in the future. cat >> ${CLFS}/root/.bash_profile << EOF export PKG_CONFIG_PATH32="${PKG_CONFIG_PATH32}" export PKG_CONFIG_PATH64="${PKG_CONFIG_PATH64}" EOF