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