摘要：centos 安装 gd freetype...

freetype

wget http://download.savannah.gnu.org/releases/freetype/freetype-2.13.0.tar.gz

tar -xzf freetype-2.13.0.tar.gz

cd freetype-2.13.0

./configure --prefix=/usr/local/freetype
make && make install

libpng

wget https://sourceforge.net/projects/libpng/files/libpng16/1.6.37/libpng-1.6.37.tar.gz

tar -xzf libpng-1.6.37.tar.gz
cd libpng-1.6.37/
mv scripts/makefile.linux ./Makefile
./configure --prefix=/usr/local/libpng
make && make install

jpeg

wget  http://www.ijg.org/files/jpegsrc.v9a.tar.gz
tar -xzf jpegsrc.v9a.tar.gz
cd jpeg-9a/
./configure --prefix=/usr/local/jpeg
make && make install

gd

wget https://github.com/libgd/libgd/releases/download/gd-2.3.0/libgd-2.3.0.tar.gz
tar -xzf libgd-2.3.0
cd libgd-2.3.0
./configure --with-php-config=/usr/local/php/bin/php-config --with-jpeg-dir=/usr/local/jpeg  --with-png-dir=/usr/local/libpng   --with-freetype-dir=/usr/local/freetype
make && make install