php如何安装gd扩展

yum install libXpm-devel

   wget http://zlib.net/zlib-1.2.8.tar.gz
   tar -xzvf zlib-1.2.8.tar.gz
   cd zlib-1.2.8
   ./configure 
   make && make install
   make clean && make distclean
   cd ../

wget http://www.ijg.org/files/jpegsrc.v9b.tar.gz
tar -xzvf jpegsrc.v9b.tar.gz
cd jpegsrc.v9b
./configure \
--prefix=/usr/lib64 \
--enable-shared \
--enable-static
make && make instll
make clean && make distclean
libtool --finish /usr/local/jpeg/lib
cd ../

yum install libpng libpng-devel

wget http://download.savannah.gnu.org/releases/freetype/freetype-2.7.tar.gz
tar -xzvf freetype-2.7.tar.gz
cd freetype-2.7
./configure \
--prefix=/usr/lib64
make && make install 
make clean && make distclean
cd ../

$ cd [php安装目录]
$ cd ext/gd
$ /usr/local/php/bin/phpize
$ ./configure --with-php-config=/usr/local/php/bin/php-config --with-png-dir --with-freetype-dir --with-jpeg-dir --with-gd
$ make
$ make install

Installing shared extensions:     /alidata/server/php-5.5.38/lib/php/extensions/no-debug-non-zts-20121212/

;extension=/path/to/extension/msql.so

extension=/alidata/server/php-5.5.38/lib/php/extensions/no-debug-non-zts-20121212/gd.so