1# makefile for libpng 2# Copyright (C) 2002, 2006, 2014 Glenn Randers-Pehrson 3# Copyright (C) 1995 Guy Eric Schalnat, Group 42, Inc. 4# 5# This code is released under the libpng license. 6# For conditions of distribution and use, see the disclaimer 7# and license in png.h 8 9# where make install puts libpng.a and png.h 10prefix=/usr/local 11INCPATH=$(prefix)/include 12LIBPATH=$(prefix)/lib 13 14# override DESTDIR= on the make install command line to easily support 15# installing into a temporary location. Example: 16# 17# make install DESTDIR=/tmp/build/libpng 18# 19# If you're going to install into a temporary location 20# via DESTDIR, $(DESTDIR)$(prefix) must already exist before 21# you execute make install. 22DESTDIR= 23 24# Where the zlib library and include files are located 25#ZLIBLIB=/usr/local/lib 26#ZLIBINC=/usr/local/include 27ZLIBLIB=../zlib 28ZLIBINC=../zlib 29 30CC = cc 31AR_RC = ar rc 32MKDIR_P = mkdir 33LN_SF = ln -sf 34RANLIB = ranlib 35RM_F = rm -f 36AWK = awk 37SED = sed 38CPP = $(CC) -E 39ECHO = echo 40 41DFNFLAGS = # DFNFLAGS contains -D options to use in the libpng build 42DFA_EXTRA = # extra files that can be used to control configuration 43CPPFLAGS = -I$(ZLIBINC) # -DPNG_DEBUG=5 44CFLAGS = -O # -g 45LDFLAGS = -L. -L$(ZLIBLIB) -lpng -lz -lm 46 47OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \ 48 pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \ 49 pngwtran.o pngmem.o pngerror.o pngpread.o 50 51.c.o: 52 $(CC) -c $(CPPFLAGS) $(CFLAGS) -o $@ $< 53 54all: libpng.a pngtest 55 56# The standard pnglibconf.h exists as scripts/pnglibconf.h.prebuilt, 57# copy this if the following doesn't work. 58pnglibconf.h: pnglibconf.dfn 59 $(RM_F) $@ pnglibconf.c pnglibconf.out pnglibconf.tmp 60 $(ECHO) '#include "pnglibconf.dfn"' >pnglibconf.c 61 $(ECHO) "If '$(CC) -E' crashes try /lib/cpp (e.g. CPP='/lib/cpp')" >&2 62 $(CPP) $(DFNFLAGS) pnglibconf.c >pnglibconf.out 63 $(AWK) -f "scripts/dfn.awk" out="pnglibconf.tmp" pnglibconf.out 1>&2 64 mv pnglibconf.tmp $@ 65 66pnglibconf.dfn: scripts/pnglibconf.dfa scripts/options.awk pngconf.h pngusr.dfa $(DFA_XTRA) 67 $(RM_F) $@ pnglibconf.pre pnglibconf.tmp 68 $(ECHO) "Calling $(AWK) from scripts/pnglibconf.mak" >&2 69 $(ECHO) "If 'awk' crashes try a better awk (e.g. AWK='nawk')" >&2 70 $(AWK) -f scripts/options.awk out="pnglibconf.pre"\ 71 version=search pngconf.h scripts/pnglibconf.dfa\ 72 pngusr.dfa $(DFA_XTRA) 1>&2 73 $(AWK) -f scripts/options.awk out="pnglibconf.tmp" pnglibconf.pre 1>&2 74 mv pnglibconf.tmp $@ 75 76libpng.a: $(OBJS) 77 $(AR_RC) $@ $(OBJS) 78 $(RANLIB) $@ 79 80pngtest: pngtest.o libpng.a 81 $(CC) -o pngtest $(CFLAGS) pngtest.o $(LDFLAGS) 82 83test: pngtest 84 ./pngtest 85 86install: libpng.a pnglibconf.h 87 -@$(MKDIR_P) $(DESTDIR)$(INCPATH) 88 -@$(MKDIR_P) $(DESTDIR)$(INCPATH)/libpng 89 -@$(MKDIR_P) $(DESTDIR)$(LIBPATH) 90 -@$(RM_F) $(DESTDIR)$(INCPATH)/png.h 91 -@$(RM_F) $(DESTDIR)$(INCPATH)/pngconf.h 92 -@$(RM_F) $(DESTDIR)$(INCPATH)/pnglibconf.h 93 cp png.h $(DESTDIR)$(INCPATH)/libpng 94 cp pngconf.h $(DESTDIR)$(INCPATH)/libpng 95 cp pnglibconf.h $(DESTDIR)$(INCPATH)/libpng 96 chmod 644 $(DESTDIR)$(INCPATH)/libpng/png.h 97 chmod 644 $(DESTDIR)$(INCPATH)/libpng/pngconf.h 98 chmod 644 $(DESTDIR)$(INCPATH)/libpng/pnglibconf.h 99 (cd $(DESTDIR)$(INCPATH); ln -f -s libpng/* .) 100 cp libpng.a $(DESTDIR)$(LIBPATH) 101 chmod 644 $(DESTDIR)$(LIBPATH)/libpng.a 102 103clean: 104 $(RM_F) *.o libpng.a pngtest pngout.png pnglibconf.* 105 106DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO 107writelock: 108 chmod a-w *.[ch35] $(DOCS) scripts/* 109 110# DO NOT DELETE THIS LINE -- make depend depends on it. 111 112png.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h 113pngerror.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h 114pngrio.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h 115pngwio.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h 116pngmem.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h 117pngset.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h 118pngget.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h 119pngread.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h 120pngrtran.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h 121pngrutil.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h 122pngtrans.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h 123pngwrite.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h 124pngwtran.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h 125pngwutil.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h 126pngpread.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h 127 128pngtest.o: png.h pngconf.h pnglibconf.h 129
