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144 lines
6.3 KiB
144 lines
6.3 KiB
14 years ago
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Installing libpng version 1.2.1 - December 12, 2001
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Before installing libpng, you must first install zlib. zlib
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can usually be found wherever you got libpng. zlib can be
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placed in another directory, at the same level as libpng.
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Note that your system might already have a preinstalled
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zlib, but you will still need to have access to the
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zlib.h and zconf.h include files that correspond to the
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version of zlib that's installed.
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You can rename the directories that you downloaded (they
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might be called "libpng-1.2.1" or "lpng109" and "zlib-1.1.3"
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or "zlib113") so that you have directories called "zlib" and "libpng".
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Your directory structure should look like this:
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.. (the parent directory)
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libpng (this directory)
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INSTALL (this file)
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README
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*.h
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*.c
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contrib
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gregbook
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msvctest
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pngminus
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pngsuite
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visupng
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projects
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beos
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borland
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msvc
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netware.txt
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wince.txt
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scripts
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makefile.*
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pngtest.png
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etc.
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zlib
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README
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*.h
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*.c
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contrib
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etc.
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If the line endings in the files look funny, you may wish to get the other
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distribution of libpng. It is available in both tar.gz (UNIX style line
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endings) and zip (DOS style line endings) formats.
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If you are building libpng with MSVC, you can enter the libpng\msvc directory
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and follow the instructions in msvc\README.txt.
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You can build libpng for WindowsCE by entering the downloading and installing
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the libpng\wince directory as instructed in the projects\wince.txt file, and
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then following the instructions in the README* files. Similarly, you can
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build libpng for Netware as instructed in projects\netware.txt.
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Else enter the zlib directory and follow the instructions in zlib/README,
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then come back here and choose the appropriate makefile.sys in the scripts
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directory.
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The files that are presently available in the scripts directory
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include
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makefile.std => Generic UNIX makefile (cc, creates static libpng.a)
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makefile.linux => Linux/ELF makefile (gcc, creates libpng.so.3.1.2.1)
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makefile.gcmmx => Linux/ELF makefile (gcc, creates libpng.so.3.1.2.1,
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uses assembler code tuned for Intel MMX platform)
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makefile.gcc => Generic makefile (gcc, creates static libpng.a)
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makefile.knr => Archaic UNIX Makefile that converts files with
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ansi2knr (Requires ansi2knr.c from
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ftp://ftp.cs.wisc.edu/ghost)
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makefile.aix => AIX makefile
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makefile.cygwin => Cygwin/gcc makefile
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makefile.darwin => Darwin makefile
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makefile.dec => DEC Alpha UNIX makefile
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makefile.hpgcc => HPUX makefile using gcc
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makefile.hpux => HPUX (10.20 and 11.00) makefile
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makefile.ibmc => IBM C/C++ version 3.x for Win32 and OS/2 (static)
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makefile.intel => Intel C/C++ version 4.0 and later
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libpng.icc => Project file for IBM VisualAge/C++ version 4.0 or later
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makefile.macosx => MACOS X Makefile
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makefile.netbsd => NetBSD/cc makefile, uses PNGGCCRD
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makefile.sgi => Silicon Graphics IRIX makefile (cc, creates static lib)
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makefile.sggcc => Silicon Graphics (gcc, creates libpng.so.3.1.2.1)
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makefile.sunos => Sun makefile
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makefile.solaris => Solaris 2.X makefile (gcc, creates libpng.so.3.1.2.1)
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makefile.so9 => Solaris 9 makefile (gcc, creates libpng.so.3.1.2.1)
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makefile.sco => For SCO OSr5 ELF and Unixware 7 with Native cc
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makefile.mips => MIPS makefile
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makefile.acorn => Acorn makefile
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makefile.amiga => Amiga makefile
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smakefile.ppc => AMIGA smakefile for SAS C V6.58/7.00 PPC compiler
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(Requires SCOPTIONS, copied from scripts/SCOPTIONS.ppc)
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makefile.atari => Atari makefile
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makefile.beos => BEOS makefile for X86
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makefile.bor => Borland makefile (uses bcc)
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makefile.bc32 => 32-bit Borland C++ (all modules compiled in C mode)
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makefile.bd32 => To make a png32bd.dll with Borland C++ 4.5
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makefile.tc3 => Turbo C 3.0 makefile
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makefile.dj2 => DJGPP 2 makefile
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makefile.msc => Microsoft C makefile
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makefile.vcawin32 => makefile for Microsoft Visual C++ 5.0 and later (uses
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assembler code tuned for Intel MMX platform)
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makefile.vcwin32 => makefile for Microsoft Visual C++ 4.0 and later (does
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not use assembler code)
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makefile.os2 => OS/2 Makefile (gcc and emx, requires pngos2.def)
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pngos2.def => OS/2 module definition file used by makefile.os2
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makefile.watcom => Watcom 10a+ Makefile, 32-bit flat memory model
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makevms.com => VMS build script
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descrip.mms => VMS makefile for MMS or MMK
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pngdef.pas => Defines for a png32bd.dll with Borland C++ 4.5
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SCOPTIONS.ppc => Used with smakefile.ppc
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Copy the file (or files) that you need from the
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scripts directory into this directory, for example
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MSDOS example: copy scripts\makefile.msc makefile
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UNIX example: cp scripts/makefile.std makefile
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Read the makefile to see if you need to change any source or
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target directories to match your preferences.
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Then read pngconf.h to see if you want to make any configuration
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changes.
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Then just run "make test" which will create the libpng library in
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this directory and run a quick test that reads the "pngtest.png"
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file and writes a "pngout.png" file that should be identical to it.
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Look for "9782 zero samples" in the output of the test. For more
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confidence, you can run another test by typing "pngtest pngnow.png"
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and looking for "289 zero samples" in the output. Also, you can
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run "pngtest -m *.png" in the "contrib/pngsuite" directory and compare
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your output with the result shown in contrib/pngsuite/README.
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Most of the makefiles will allow you to run "make install" to
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put the library in its final resting place (if you want to
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do that, run "make install" in the zlib directory first if necessary).
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Further information can be found in the README and libpng.txt
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files, in the individual makefiles, in png.h, in the README files in
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subdirectories of the LIB directory, and the manual pages libpng.3 and png.5.
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