php5에서는 freetype이 지원 안함.
php5버전을 설치한 경우 downgrade 추천.
설치시 옵션은
./configure --with-apxs2 --with-mysql=/usr/ --enable-magic-quotes --enable-trans-sid --with-xml --enable-inline-optimization --disable-debug --with-openssl --with-iconv --with-curl --with-gd --with-jpeg-dir=/usr/lib --with-gd --with-jpeg-dir=/usr/lib --with-png-dir=/usr/lib --with-gif-dir=/usr/lib --with-ttf --enable-gd-native-ttf --with-freetype-dir=/usr/lib --with-zlib
make
make install