Linux x64 under Compile Libjpeg

Libjpeg Compile:

1. Download Libjpeg Source: http://www.ijg.org/, download jpegsrc.v9a.tar.gz
2. Decompression source, command: TAR-ZXVF jpegsrc.v9a, source folder for jpeg-9a
3. Run command:./configure--prefix=jpeg-9a/release --enable-shared=no
4. Find the makefile file under jpeg-9a and open, find Cflags, add-g-02 after cflags =-fpic
5. Run command: Make
6. Run command: Make install
7. Final static library files are installed under Jpeg-9a/release/lib

Libpng Compile:

Compiling the libpng first requires compiling the zlib, as follows:

1. Download Zlib Source zlib-1.2.8.tar.gz
2. Decompression zlib Source to zlib-1.2.8
3. Run command:./configure --static Static compilation
4. Find the makefile file and open it under zlib-1.2.8, find the cflags and add-fpic to the line at the end
5. Run command: Make
6. Run command: Make install

Compile libpng below

1. Download Source libpng-1.6.13.tar.gz
2. Unzip to libpng-1.6.13
3. Run command:./configure--prefix=libpng-1.6.13/release --enable-shared=no
4. Find the makefile file and open it under libpng-1.6.13, find the cflags and add-fpic to the line at the end
5. Run command: Make
6. Run command: Make install

Linux x64 under Compile Libjpeg