| # makefile for libpng |
| # Copyright (C) 2015, 2018-2025 Cosmin Truta |
| # Copyright (C) 2002, 2006, 2014 Glenn Randers-Pehrson |
| # Copyright (C) 1995 Guy Eric Schalnat, Group 42, Inc. |
| # |
| # This code is released under the libpng license. |
| # For conditions of distribution and use, see the disclaimer |
| # and license in png.h |
| |
| # Where the zlib library and include files are located |
| #ZLIBLIB=/usr/local/lib |
| #ZLIBINC=/usr/local/include |
| ZLIBLIB=../zlib |
| ZLIBINC=../zlib |
| |
| CC = cc |
| CPP = $(CC) -E |
| LD = $(CC) |
| AR = ar |
| RANLIB = ranlib |
| MV_F = mv -f |
| RM_F = rm -f |
| AWK = awk |
| |
| DFNFLAGS = # DFNFLAGS contains -D options to use in the libpng build |
| DFA_EXTRA = # extra files that can be used to control configuration |
| CPPFLAGS = -I$(ZLIBINC) # -DPNG_DEBUG=5 |
| CFLAGS = -O2 -g |
| ARFLAGS = rc |
| LDFLAGS = -L$(ZLIBLIB) -g |
| LIBS = -lz -lm |
| |
| # Pre-built configuration |
| # See scripts/pnglibconf/pnglibconf.mak for more options |
| PNGLIBCONF_H_PREBUILT = pnglibconf.h.prebuilt |
| |
| OBJS = png.o pngerror.o pngget.o pngmem.o pngpread.o pngread.o \ |
| pngrio.o pngrtran.o pngrutil.o pngset.o pngsimd.o \ |
| pngtrans.o pngwio.o pngwrite.o pngwtran.o pngwutil.o |
| |
| .c.o: |
| $(CC) -c $(CPPFLAGS) $(CFLAGS) -o $@ $*.c |
| |
| all: libpng.a pngtest |
| |
| # The standard pnglibconf.h exists as pnglibconf.h.prebuilt. |
| # Copy this over if the following doesn't work. |
| pnglibconf.h: pnglibconf.dfn |
| $(RM_F) $@ pnglibconf.c pnglibconf.out pnglibconf.tmp |
| echo '#include "pnglibconf.dfn"' >pnglibconf.c |
| @echo "## If '$(CC) -E' fails, try /lib/cpp (e.g. CPP='/lib/cpp')" >&2 |
| $(CPP) $(DFNFLAGS) pnglibconf.c >pnglibconf.out |
| $(AWK) -f scripts/pnglibconf/dfn.awk\ |
| out=pnglibconf.tmp pnglibconf.out >&2 |
| $(MV_F) pnglibconf.tmp $@ |
| |
| pnglibconf.dfn: scripts/pnglibconf/pnglibconf.dfa \ |
| scripts/pnglibconf/options.awk \ |
| pngconf.h pngusr.dfa $(DFA_XTRA) |
| $(RM_F) $@ pnglibconf.pre pnglibconf.tmp |
| @echo "## Calling $(AWK) from scripts/pnglibconf/pnglibconf.mak" >&2 |
| @echo "## If 'awk' fails, try a better awk (e.g. AWK='nawk')" >&2 |
| $(AWK) -f scripts/pnglibconf/options.awk\ |
| out=pnglibconf.pre version=search\ |
| pngconf.h scripts/pnglibconf/pnglibconf.dfa\ |
| pngusr.dfa $(DFA_XTRA) >&2 |
| $(AWK) -f scripts/pnglibconf/options.awk\ |
| out=pnglibconf.tmp pnglibconf.pre >&2 |
| $(MV_F) pnglibconf.tmp $@ |
| |
| libpng.a: $(OBJS) |
| $(AR) $(ARFLAGS) $@ $(OBJS) |
| $(RANLIB) $@ |
| |
| pngtest: pngtest.o libpng.a |
| $(LD) $(LDFLAGS) -o $@ pngtest.o libpng.a $(LIBS) |
| |
| test: pngtest |
| ./pngtest |
| |
| install: |
| @echo "The $@ target is no longer supported by this makefile." |
| @false |
| |
| clean: |
| $(RM_F) *.o libpng.a pngtest pngout.png pnglibconf.h |
| $(RM_F) pnglibconf.c pnglibconf.dfn pnglibconf.out pnglibconf.pre |
| |
| # TODO: |
| # Use the compiler to generate dependency files (e.g. "$(CC) -MD") and |
| # include those files here, for the benefit of the Make implementations |
| # that support the GNU Make syntax extensions. |
| |
| png.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h pngtarget.h |
| pngerror.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h pngtarget.h |
| pngget.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h pngtarget.h |
| pngmem.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h pngtarget.h |
| pngpread.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h pngtarget.h |
| pngread.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h pngtarget.h |
| pngrio.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h pngtarget.h |
| pngrtran.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h pngtarget.h |
| pngrutil.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h pngtarget.h |
| pngset.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h pngtarget.h |
| pngsimd.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h pngtarget.h |
| pngtrans.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h pngtarget.h |
| pngwio.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h pngtarget.h |
| pngwrite.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h pngtarget.h |
| pngwtran.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h pngtarget.h |
| pngwutil.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h pngtarget.h |
| |
| pngtest.o: png.h pngconf.h pnglibconf.h |
