This got screwed by the recent refactoring. Oops.
CROSS_gxx_FLAGS=$CROSS_gcc_FLAGS
export CROSS_gcc_FLAGS CROSS_gxx_FLAGS
CROSS_gxx_FLAGS=$CROSS_gcc_FLAGS
export CROSS_gcc_FLAGS CROSS_gxx_FLAGS
-PKG_CONFIG_PATH=$prefix/lib/pkgconfig:/usr/lib/pkgconfig
+PKG_CONFIG_PATH=$CROSS_PREFIX/lib/pkgconfig:/usr/lib/pkgconfig
CROSS_ARCH=@arch@
QEMU_LD_PREFIX=/usr/$CROSS_ARCH; export QEMU_LD_PREFIX
CROSS_ARCH=@arch@
QEMU_LD_PREFIX=/usr/$CROSS_ARCH; export QEMU_LD_PREFIX
-PKG_CONFIG_PATH=$prefix/lib/pkgconfig:/usr/lib/pkgconfig
+PKG_CONFIG_PATH=$CROSS_PREFIX/lib/pkgconfig:/usr/lib/pkgconfig
CROSS_gxx_FLAGS=$CROSS_gcc_FLAGS
export CROSS_gcc_FLAGS CROSS_gxx_FLAGS
CROSS_gxx_FLAGS=$CROSS_gcc_FLAGS
export CROSS_gcc_FLAGS CROSS_gxx_FLAGS
-PKG_CONFIG_PATH=$prefix/lib/pkgconfig:/usr/lib/pkgconfig
+PKG_CONFIG_PATH=$CROSS_PREFIX/lib/pkgconfig:/usr/lib/pkgconfig
export PKG_CONFIG_PATH
CROSS_NATIVE_P=t; export CROSS_NATIVE_P
export PKG_CONFIG_PATH
CROSS_NATIVE_P=t; export CROSS_NATIVE_P