LibPNG Windows, How to compile

• LibPNG Sources, http://www.libpng.org
• Zlib binaries and development files http://pecl2.php.net/downloads/php-windows-builds/php-libs/
• Common tools used to compile PHP
• LibPNG Makefile libpng.mak.txt

LibPNG can be compiled using various modes listed below:

• “libpng - Win32 DLL Release” based on “Win32 (x86) Dynamic-Link Library”
• “libpng - Win32 DLL Debug” based on “Win32 (x86) Dynamic-Link Library”)
• “libpng - Win32 DLL ASM Release” based on “Win32 (x86) Dynamic-Link Library”
• “libpng - Win32 DLL ASM Debug” based on “Win32 (x86) Dynamic-Link Library”
• “libpng - Win32 DLL VB” based on “Win32 (x86) Dynamic-Link Library”
• “libpng - Win32 LIB Release” based on “Win32 (x86) Static Library”
• “libpng - Win32 LIB Debug” based on “Win32 (x86) Static Library”
• “libpng - Win32 LIB ASM Release” based on “Win32 (x86) Static Library”
• “libpng - Win32 LIB ASM Debug” based on “Win32 (x86) Static Library”

PHP uses “libpng - Win32 LIB ASM Release” and “libpng - Win32 LIB ASM Debug” respectively for the normal and debug PHP builds