| # makefile for libpng |
| # Copyright (C) 2020-2022 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 make install puts libpng.a and png.h |
| prefix=/usr/local |
| INCPATH=$(prefix)/include |
| LIBPATH=$(prefix)/lib |
| |
| # override DESTDIR= on the make install command line to easily support |
| # installing into a temporary location. Example: |
| # |
| # make install DESTDIR=/tmp/build/libpng |
| # |
| # If you're going to install into a temporary location |
| # via DESTDIR, $(DESTDIR)$(prefix) must already exist before |
| # you execute make install. |
| DESTDIR= |
| |
| # 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 = $(CC) |
| AR_RC = ar rc |
| RANLIB = ranlib |
| MKDIR_P = mkdir |
| LN_SF = ln -sf |
| CP = cp |
| MV_F = mv -f |
| RM_F = rm -f |
| AWK = awk |
| |
| NOHWOPT = -DPNG_ARM_NEON_OPT=0 -DPNG_MIPS_MSA_OPT=0 \ |
| -DPNG_POWERPC_VSX_OPT=0 -DPNG_INTEL_SSE_OPT=0 |
| DFNFLAGS = # DFNFLAGS contains -D options to use in the libpng build |
| DFA_EXTRA = # extra files that can be used to control configuration |
| CPPFLAGS = -I$(ZLIBINC) $(NOHWOPT) # -DPNG_DEBUG=5 |
| CFLAGS = -O # -g |
| LDFLAGS = -L$(ZLIBLIB) # -g |
| LIBS = -lz -lm |
| |
| # Pre-built configuration |
| # See scripts/pnglibconf.mak for more options |
| PNGLIBCONF_H_PREBUILT = scripts/pnglibconf.h.prebuilt |
| |
| OBJS = png.o pngerror.o pngget.o pngmem.o pngpread.o \ |
| pngread.o pngrio.o pngrtran.o pngrutil.o pngset.o \ |
| pngtrans.o pngwio.o pngwrite.o pngwtran.o pngwutil.o |
| |
| .c.o: |
| $(CC) -c $(CPPFLAGS) $(CFLAGS) -o $@ $< |
| |
| all: libpng.a pngtest |
| |
| # The standard pnglibconf.h exists as scripts/pnglibconf.h.prebuilt, |
| # copy this 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/dfn.awk out=pnglibconf.tmp pnglibconf.out >&2 |
| $(MV_F) pnglibconf.tmp $@ |
| |
| pnglibconf.dfn: scripts/pnglibconf.dfa scripts/options.awk pngconf.h pngusr.dfa $(DFA_XTRA) |
| $(RM_F) $@ pnglibconf.pre pnglibconf.tmp |
| @echo "## Calling $(AWK) from scripts/pnglibconf.mak" >&2 |
| @echo "## If 'awk' fails, try a better awk (e.g. AWK='nawk')" >&2 |
| $(AWK) -f scripts/options.awk out=pnglibconf.pre\ |
| version=search pngconf.h scripts/pnglibconf.dfa\ |
| pngusr.dfa $(DFA_XTRA) >&2 |
| $(AWK) -f scripts/options.awk out=pnglibconf.tmp pnglibconf.pre >&2 |
| $(MV_F) pnglibconf.tmp $@ |
| |
| libpng.a: $(OBJS) |
| $(AR_RC) $@ $(OBJS) |
| $(RANLIB) $@ |
| |
| pngtest: pngtest.o libpng.a |
| $(LD) $(LDFLAGS) -o $@ pngtest.o libpng.a $(LIBS) |
| |
| test: pngtest |
| ./pngtest |
| |
| install: libpng.a pnglibconf.h |
| -@$(MKDIR_P) $(DESTDIR)$(INCPATH) |
| -@$(MKDIR_P) $(DESTDIR)$(INCPATH)/libpng |
| -@$(MKDIR_P) $(DESTDIR)$(LIBPATH) |
| -@$(RM_F) $(DESTDIR)$(INCPATH)/png.h |
| -@$(RM_F) $(DESTDIR)$(INCPATH)/pngconf.h |
| -@$(RM_F) $(DESTDIR)$(INCPATH)/pnglibconf.h |
| cp png.h $(DESTDIR)$(INCPATH)/libpng |
| cp pngconf.h $(DESTDIR)$(INCPATH)/libpng |
| cp pnglibconf.h $(DESTDIR)$(INCPATH)/libpng |
| chmod 644 $(DESTDIR)$(INCPATH)/libpng/png.h |
| chmod 644 $(DESTDIR)$(INCPATH)/libpng/pngconf.h |
| chmod 644 $(DESTDIR)$(INCPATH)/libpng/pnglibconf.h |
| (cd $(DESTDIR)$(INCPATH); ln -f -s libpng/* .) |
| cp libpng.a $(DESTDIR)$(LIBPATH) |
| chmod 644 $(DESTDIR)$(LIBPATH)/libpng.a |
| |
| clean: |
| $(RM_F) *.o libpng.a pngtest pngout.png pnglibconf.h |
| $(RM_F) pnglibconf.c pnglibconf.dfn pnglibconf.out pnglibconf.pre |
| |
| # DO NOT DELETE THIS LINE -- make depend depends on it. |
| |
| png.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h |
| pngerror.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h |
| pngget.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h |
| pngmem.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h |
| pngpread.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h |
| pngread.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h |
| pngrio.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h |
| pngrtran.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h |
| pngrutil.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h |
| pngset.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h |
| pngtrans.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h |
| pngwio.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h |
| pngwrite.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h |
| pngwtran.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h |
| pngwutil.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h |
| |
| pngtest.o: png.h pngconf.h pnglibconf.h |