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Glenn Randers-Pehrson08a33431998-03-07 06:06:55 -06001
Glenn Randers-Pehrson68ea2432000-04-01 21:10:05 -06002Installing libpng version 1.0.6a - April 2, 2000
Glenn Randers-Pehrson08a33431998-03-07 06:06:55 -06003
4Before installing libpng, you must first install zlib. zlib
5can usually be found wherever you got libpng. zlib can be
6placed in another directory, at the same level as libpng.
7Note that your system might already have a preinstalled
Glenn Randers-Pehrson5c6aeb21998-12-29 11:47:59 -06008zlib, but you will still need to have access to the
Glenn Randers-Pehrson08a33431998-03-07 06:06:55 -06009zlib.h and zconf.h include files that correspond to the
10version of zlib that's installed.
11
12You can rename the directories that you downloaded (they
Glenn Randers-Pehrson68ea2432000-04-01 21:10:05 -060013might be called "libpng-1.0.6a" or "lpng106" and "zlib-1.1.3"
Glenn Randers-Pehrson5c6aeb21998-12-29 11:47:59 -060014or "zlib113") so that you have directories called "zlib" and "libpng".
Glenn Randers-Pehrson08a33431998-03-07 06:06:55 -060015
16Your directory structure should look like this:
17
18 .. (the parent directory)
19 libpng (this directory)
20 INSTALL (this file)
21 README
22 *.h
23 *.c
Glenn Randers-Pehrson860ab2b1999-10-14 07:43:10 -050024 contrib
25 gregbook
Glenn Randers-Pehrson6d8f3b01999-10-23 08:39:18 -050026 pngminus
27 pngsuite
Glenn Randers-Pehrson08a33431998-03-07 06:06:55 -060028 scripts
29 makefile.*
30 pngtest.png
31 etc.
32 zlib
33 README
34 *.h
35 *.c
36 contrib
37 etc.
38
Glenn Randers-Pehrson61c32d92000-02-04 23:40:16 -060039If the line endings in the files look funny, you may wish to get the other
40distribution of libpng. It is available in both tar.gz (UNIX style line
41endings) and zip (DOS style line endings) formats.
42
Glenn Randers-Pehrson520a7642000-03-21 05:13:06 -060043First enter the zlib directory and follow the instructions in zlib/README.
44Then come back here and choose the appropriate makefile.sys in the scripts
45directory.
Glenn Randers-Pehrson08a33431998-03-07 06:06:55 -060046The files that are presently available in the scripts directory
47include
48
Glenn Randers-Pehrson520a7642000-03-21 05:13:06 -060049 makefile.std => Generic UNIX makefile (cc, creates static libpng.a)
Glenn Randers-Pehrson68ea2432000-04-01 21:10:05 -060050 makefile.linux => Linux/ELF makefile (gcc, creates libpng.so.2.1.0.6a)
51 makefile.gcmmx => Linux/ELF makefile (gcc, creates libpng.so.2.1.0.6a,
Glenn Randers-Pehrson520a7642000-03-21 05:13:06 -060052 uses assembler code tuned for Intel MMX platform)
53 makefile.gcc => Generic makefile (gcc, creates static libpng.a)
Glenn Randers-Pehrson860ab2b1999-10-14 07:43:10 -050054 makefile.knr => Archaic UNIX Makefile that converts files with
55 ansi2knr (Requires ansi2knr.c from
56 ftp://ftp.cs.wisc.edu/ghost)
57 makefile.dec => DEC Alpha UNIX makefile
58 makefile.hpux => HPUX (10.20 and 11.00) makefile
Glenn Randers-Pehrson68ea2432000-04-01 21:10:05 -060059 makefile.ibmc => IBM C/C++ version 3.x for Win32 and OS/2 (static)
60 libpng.icc => Project file for IBM VisualAge/C++ version 4.0 or later
Glenn Randers-Pehrson520a7642000-03-21 05:13:06 -060061 makefile.sgi => Silicon Graphics IRIX makefile (cc, creates static lib)
Glenn Randers-Pehrson68ea2432000-04-01 21:10:05 -060062 makefile.sggcc => Silicon Graphics (gcc, creates libpng.so.2.1.0.6a)
Glenn Randers-Pehrson860ab2b1999-10-14 07:43:10 -050063 makefile.sunos => Sun makefile
Glenn Randers-Pehrson68ea2432000-04-01 21:10:05 -060064 makefile.solaris => Solaris 2.X makefile (gcc, creates libpng.so.2.1.0.6a)
Glenn Randers-Pehrson860ab2b1999-10-14 07:43:10 -050065 makefile.sco => For SCO OSr5 ELF and Unixware 7 with Native cc
66 makefile.mips => MIPS makefile
67 makefile.acorn => Acorn makefile
68 makefile.amiga => Amiga makefile
69 smakefile.ppc => AMIGA smakefile for SAS C V6.58/7.00 PPC compiler
70 (Requires SCOPTIONS, copied from scripts/SCOPTIONS.ppc)
71 makefile.atari => Atari makefile
72 makefile.beos => BEOS makefile for X86
Glenn Randers-Pehrson520a7642000-03-21 05:13:06 -060073 makefile.bor => Borland makefile (uses bcc)
74 makefile.bc32 => 32-bit Borland C++ (all modules compiled in C mode)
Glenn Randers-Pehrson61c32d92000-02-04 23:40:16 -060075 makefile.bd32 => To make a png32bd.dll with Borland C++ 4.5
Glenn Randers-Pehrson520a7642000-03-21 05:13:06 -060076 makefile.tc3 => Turbo C 3.0 makefile
Glenn Randers-Pehrson860ab2b1999-10-14 07:43:10 -050077 makefile.dj2 => DJGPP 2 makefile
78 makefile.msc => Microsoft C makefile
79 makefile.vcawin32 => makefile for Microsoft Visual C++ 5.0 and later (uses
Glenn Randers-Pehrson61c32d92000-02-04 23:40:16 -060080 assembler code tuned for Intel MMX platform)
Glenn Randers-Pehrson860ab2b1999-10-14 07:43:10 -050081 makefile.vcwin32 => makefile for Microsoft Visual C++ 4.0 and later (does
82 not use assembler code)
Glenn Randers-Pehrson860ab2b1999-10-14 07:43:10 -050083 makefile.os2 => OS/2 Makefile (gcc and emx, requires pngos2.def)
84 pngos2.def => OS/2 module definition file used by makefile.os2
85 makefile.watcom => Watcom 10a+ Makefile, 32-bit flat memory model
86 makevms.com => VMS build script
Glenn Randers-Pehrson520a7642000-03-21 05:13:06 -060087 descrip.mms => VMS makefile for MMS or MMK
Glenn Randers-Pehrson860ab2b1999-10-14 07:43:10 -050088 pngdef.pas => Defines for a png32bd.dll with Borland C++ 4.5
89 SCOPTIONS.ppc => Used with smakefile.ppc
Glenn Randers-Pehrson08a33431998-03-07 06:06:55 -060090
91Copy the file (or files) that you need from the
92scripts directory into this directory, for example
93
Glenn Randers-Pehrson860ab2b1999-10-14 07:43:10 -050094 MSDOS example: copy scripts\makefile.msc makefile
Glenn Randers-Pehrson08a33431998-03-07 06:06:55 -060095 UNIX example: cp scripts/makefile.std makefile
96
97Read the makefile to see if you need to change any source or
98target directories to match your preferences.
99
100Then read pngconf.h to see if you want to make any configuration
101changes.
102
103Then just run "make test" which will create the libpng library in
104this directory and run a quick test that reads the "pngtest.png"
105file and writes a "pngout.png" file that should be identical to it.
Glenn Randers-Pehrson860ab2b1999-10-14 07:43:10 -0500106Look for "9782 zero samples" in the output of the test. For more
107confidence, you can run another test by typing "pngtest pngnow.png"
Glenn Randers-Pehrson6d8f3b01999-10-23 08:39:18 -0500108and looking for "289 zero samples" in the output. Also, you can
109run "pngtest -m *.png" in the "contrib/pngsuite" directory and compare
110your output with the result shown in contrib/pngsuite/README.
Glenn Randers-Pehrson08a33431998-03-07 06:06:55 -0600111
112Most of the makefiles will allow you to run "make install" to
113put the library in its final resting place (if you want to
114do that, run "make install" in the zlib directory first if necessary).
115
116Further information can be found in the README and libpng.txt
Glenn Randers-Pehrson6d8f3b01999-10-23 08:39:18 -0500117files, in the individual makefiles, in png.h, and the manual pages
118libpng.3 and png.5.