centos安装GraphicsMagick

• 安装关联

yum install -y gcc libpng libjpeg libpng-devel libjpeg-devel ghostscript libtiff libtiff-devel freetype freetype-devel  

• 下载和解压源文件

wget ftp://ftp.graphicsmagick.org/pub/GraphicsMagick/1.3/GraphicsMagick-1.3.9.tar.gz  
tar zxvf GraphicsMagick-1.3.9.tar.gz  

• 编译

cd GraphicsMagick-1.3.9  
./configure --enable-shared
make  
make install  

• 看看是否安装成功

gm version