| 1 | # makefile for libpng
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| 2 | # Copyright (C) 2020-2022 Cosmin Truta
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| 3 | # Copyright (C) 2002, 2006, 2014 Glenn Randers-Pehrson
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| 4 | # Copyright (C) 1995 Guy Eric Schalnat, Group 42, Inc.
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| 5 | #
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| 6 | # This code is released under the libpng license.
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| 7 | # For conditions of distribution and use, see the disclaimer
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| 8 | # and license in png.h
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| 9 |
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| 10 | # Where the zlib library and include files are located
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| 11 | #ZLIBLIB=/usr/local/lib
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| 12 | #ZLIBINC=/usr/local/include
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| 13 | ZLIBLIB=../zlib
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| 14 | ZLIBINC=../zlib
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| 15 |
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| 16 | CC = cc
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| 17 | CPP = $(CC) -E
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| 18 | LD = $(CC)
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| 19 | AR_RC = ar rc
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| 20 | RANLIB = ranlib
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| 21 | MKDIR_P = mkdir
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| 22 | MV_F = mv -f
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| 23 | RM_F = rm -f
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| 24 | AWK = awk
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| 25 |
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| 26 | NOHWOPT = -DPNG_ARM_NEON_OPT=0 -DPNG_MIPS_MSA_OPT=0 \
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| 27 | -DPNG_POWERPC_VSX_OPT=0 -DPNG_INTEL_SSE_OPT=0
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| 28 | DFNFLAGS = # DFNFLAGS contains -D options to use in the libpng build
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| 29 | DFA_EXTRA = # extra files that can be used to control configuration
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| 30 | CPPFLAGS = -I$(ZLIBINC) $(NOHWOPT) # -DPNG_DEBUG=5
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| 31 | CFLAGS = -O # -g
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| 32 | LDFLAGS = -L$(ZLIBLIB) # -g
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| 33 | LIBS = -lz -lm
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| 34 |
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| 35 | # Pre-built configuration
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| 36 | # See scripts/pnglibconf.mak for more options
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| 37 | PNGLIBCONF_H_PREBUILT = scripts/pnglibconf.h.prebuilt
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| 38 |
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| 39 | OBJS = png.o pngerror.o pngget.o pngmem.o pngpread.o \
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| 40 | pngread.o pngrio.o pngrtran.o pngrutil.o pngset.o \
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| 41 | pngtrans.o pngwio.o pngwrite.o pngwtran.o pngwutil.o
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| 42 |
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| 43 | .c.o:
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| 44 | $(CC) -c $(CPPFLAGS) $(CFLAGS) -o $@ $<
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| 45 |
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| 46 | all: libpng.a pngtest
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| 47 |
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| 48 | # The standard pnglibconf.h exists as scripts/pnglibconf.h.prebuilt,
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| 49 | # copy this if the following doesn't work.
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| 50 | pnglibconf.h: pnglibconf.dfn
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| 51 | $(RM_F) $@ pnglibconf.c pnglibconf.out pnglibconf.tmp
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| 52 | echo '#include "pnglibconf.dfn"' >pnglibconf.c
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| 53 | @echo "## If '$(CC) -E' fails, try /lib/cpp (e.g. CPP='/lib/cpp')" >&2
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| 54 | $(CPP) $(DFNFLAGS) pnglibconf.c >pnglibconf.out
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| 55 | $(AWK) -f scripts/dfn.awk out=pnglibconf.tmp pnglibconf.out >&2
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| 56 | $(MV_F) pnglibconf.tmp $@
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| 57 |
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| 58 | pnglibconf.dfn: scripts/pnglibconf.dfa scripts/options.awk pngconf.h pngusr.dfa $(DFA_XTRA)
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| 59 | $(RM_F) $@ pnglibconf.pre pnglibconf.tmp
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| 60 | @echo "## Calling $(AWK) from scripts/pnglibconf.mak" >&2
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| 61 | @echo "## If 'awk' fails, try a better awk (e.g. AWK='nawk')" >&2
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| 62 | $(AWK) -f scripts/options.awk out=pnglibconf.pre\
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| 63 | version=search pngconf.h scripts/pnglibconf.dfa\
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| 64 | pngusr.dfa $(DFA_XTRA) >&2
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| 65 | $(AWK) -f scripts/options.awk out=pnglibconf.tmp pnglibconf.pre >&2
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| 66 | $(MV_F) pnglibconf.tmp $@
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| 67 |
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| 68 | libpng.a: $(OBJS)
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| 69 | $(AR_RC) $@ $(OBJS)
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| 70 | $(RANLIB) $@
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| 71 |
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| 72 | pngtest: pngtest.o libpng.a
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| 73 | $(LD) $(LDFLAGS) -o $@ pngtest.o libpng.a $(LIBS)
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| 74 |
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| 75 | test: pngtest
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| 76 | ./pngtest
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| 77 |
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| 78 | install:
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| 79 | @echo "The $@ target is no longer supported by this makefile."
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| 80 | @false
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| 81 |
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| 82 | clean:
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| 83 | $(RM_F) *.o libpng.a pngtest pngout.png pnglibconf.h
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| 84 | $(RM_F) pnglibconf.c pnglibconf.dfn pnglibconf.out pnglibconf.pre
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| 85 |
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| 86 | # DO NOT DELETE THIS LINE -- make depend depends on it.
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| 87 |
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| 88 | png.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
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| 89 | pngerror.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
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| 90 | pngget.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
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| 91 | pngmem.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
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| 92 | pngpread.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
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| 93 | pngread.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
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| 94 | pngrio.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
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| 95 | pngrtran.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
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| 96 | pngrutil.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
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| 97 | pngset.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
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| 98 | pngtrans.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
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| 99 | pngwio.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
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| 100 | pngwrite.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
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| 101 | pngwtran.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
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| 102 | pngwutil.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
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| 103 |
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| 104 | pngtest.o: png.h pngconf.h pnglibconf.h
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