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56 lines
1.5 KiB
Text
56 lines
1.5 KiB
Text
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# Minimal LibPNG for EDuke32
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# based on contrib/pngminim/encoder/pngusr.dfa of libpng
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#
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# Usage: from libpng source root and assuming zlib source in ../zlib,
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# make -f scripts/pnglibconf.mak DFA_XTRA=./minipng.dfa CPP="gcc -E"
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# make -f scripts/makefile.gcc libpng.a
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#
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# To clean up:
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# make -f scripts/pnglibconf.mak clean
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# make -f scripts/makefile.gcc clean
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#
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# For zlib, the following files are included in the 'mini' archive:
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# crc32.o deflate.o adler32.o zutil.o trees.o
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# ========== MODIFIED ORIGINAL FILE FOLLOWS ==========
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# pngminim/encoder/pngusr.dfa
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#
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# Copyright (c) 2010-2011 Glenn Randers-Pehrson
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#
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# This code is released under the libpng license.
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# For conditions of distribution and use, see the disclaimer
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# and license in png.h
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# First all the build options off:
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everything = off
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# Switch on the write code - this makes a minimalist encoder
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option WRITE on
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# You must choose fixed or floating point arithmetic:
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#option FLOATING_POINT on
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option FIXED_POINT on
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# You must chose the internal fixed point implementation or to
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# use the system floating point. The latter is considerably
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# smaller (by about 1kbyte on an x86 system):
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#option FLOATING_ARITHMETIC on
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option FLOATING_ARITHMETIC off
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# Your program will probably need other options. The example
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# program here, pnm2pngm, requires the following. Take a look
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# at pnglibconf.h to find out the full set of what has to be
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# enabled to make the following work.
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option SETJMP on
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option USER_MEM on
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option WRITE_TEXT on
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option STDIO on
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option INFO_IMAGE on
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