Installation steps to add GD library to php under linux

tar zxvf zlib-1.2.3.tar.gz
cd zlib-1.2.3
./configure --prefix=/usr/local/zlib
make
make install

2. Install libpng

tar zxvf libpng-1.2.8.tar.tar
cd libpng-1.2.8
mv ./scripts/makefile.linux ./makefile
make
make install

Note that the makefile here is not generated using ./configure, but copied directly from scripts/. 3. Install freetype

tar zxvf freetype-2.1.10.tar.gz
cd freetype-2.1.10
./configure --prefix=/usr/local/freetype
make
make install

4, install Jpeg

tar zxvf jpegsrc.v6b.tar.gz
cd jpeg-6b/
./configure --enable-shared
make
make test
make install

Note, configure Be sure to bring the --enable-shared parameter, otherwise the shared library will not be generated.

5. Install GD library

tar zxvf gd-2.0.33.tar.gz
cd gd-2.0.33
./configure --with-png --with-jpeg --with-freetype=/usr/local/freetype
make
make install

6, recompile PHP

tar zxvf php-4.3.9.tar.gz
cd php-4.3.9
./configure (previous parameters) --with-gd --enable-gd-native-ttf --with -zlib-dir=/usr/local/zlib --with-png --with-jpeg --with-freetype-dir=/usr/local/freetype
make
make install

Use the above Download address of the library file: 1. Download gd library: http://www.libgd.org/releases/ 2. Download zlib library: http://www.zlib.net/ 3. Download the libpng library: http://www.libpng.org/pub/png/libpng.html 4. Freetype download: http://ftp.twaren.net/Unix/NonGNU/freetype/ 5. jpeg7 download: http://download.chinaunix.net/download.php?id=28882&ResourceID=5095