cairo CFLAGS

    export FREETYPE_CFLAGS=-I$HOME/include
    echo $FREETYPE_CFLAGS

    export FREETYPE_LIBS=-L$HOME/usr/lib
    echo $FREETYPE_LIBS
    ./configure --prefix=$HOME/usr 
    make
    make install
    pkg-config --cflags --libs cairo

u01@vm01:~/layout/oss/cairo-1.12.18$ pkg-config --cflags --libs cairo
-I/home/u01/usr/include/cairo 
-I/home/u01/usr/include/pixman-1 
-I/home/u01/usr/include 
-I/usr/include/freetype2    <=変わらずある・・・
-I/home/u01/usr/include/freetype2 
-I/usr/include/glib-2.0 
-I/usr/lib/x86_64-linux-gnu/glib-2.0/include 
-I/usr/include/libpng12 
-I/usr/include/harfbuzz  
-L/home/u01/usr/lib 
-lcairo  

CFLAGS and LDFLAGS configuration problem