1 | # makefile for libpng.a and libpng12.so on Linux ELF with gcc
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2 | # Copyright (C) 1998, 1999, 2002 Greg Roelofs and Glenn Randers-Pehrson
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3 | # Copyright (C) 1996, 1997 Andreas Dilger
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4 | # For conditions of distribution and use, see copyright notice in png.h
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5 |
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6 | LIBNAME = libpng12
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7 | PNGMAJ = 0
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8 | PNGMIN = 1.2.8
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9 | PNGVER = $(PNGMAJ).$(PNGMIN)
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10 |
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11 | CC=gcc
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12 |
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13 | # where "make install" puts libpng12.a, libpng12.so*,
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14 | # libpng12/png.h and libpng12/pngconf.h
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15 | # Prefix must be a full pathname.
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16 | prefix=/usr/local
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17 |
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18 | # Where the zlib library and include files are located.
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19 | #ZLIBLIB=/usr/local/lib
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20 | #ZLIBINC=/usr/local/include
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21 | ZLIBLIB=../zlib
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22 | ZLIBINC=../zlib
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23 |
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24 | ALIGN=
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25 | # for i386:
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26 | #ALIGN=-malign-loops=2 -malign-functions=2
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27 |
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28 | WARNMORE=-Wwrite-strings -Wpointer-arith -Wshadow \
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29 | -Wmissing-declarations -Wtraditional -Wcast-align \
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30 | -Wstrict-prototypes -Wmissing-prototypes #-Wconversion
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31 |
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32 | # for pgcc version 2.95.1, -O3 is buggy; don't use it.
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33 |
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34 | CFLAGS=-I$(ZLIBINC) -Wall -O3 -funroll-loops \
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35 | $(ALIGN) # $(WARNMORE) -g -DPNG_DEBUG=5
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36 |
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37 | LDFLAGS=-L. -Wl,-rpath,. -L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) -lpng12 -lz -lm
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38 | LDFLAGS_A=-L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) libpng.a -lz -lm
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39 |
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40 | RANLIB=ranlib
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41 | #RANLIB=echo
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42 |
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43 | INCPATH=$(prefix)/include
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44 | LIBPATH=$(prefix)/lib
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45 | MANPATH=$(prefix)/man
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46 | BINPATH=$(prefix)/bin
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47 |
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48 | # override DESTDIR= on the make install command line to easily support
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49 | # installing into a temporary location. Example:
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50 | #
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51 | # make install DESTDIR=/tmp/build/libpng
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52 | #
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53 | # If you're going to install into a temporary location
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54 | # via DESTDIR, $(DESTDIR)$(prefix) must already exist before
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55 | # you execute make install.
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56 | DESTDIR=
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57 |
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58 | DB=$(DESTDIR)$(BINPATH)
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59 | DI=$(DESTDIR)$(INCPATH)
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60 | DL=$(DESTDIR)$(LIBPATH)
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61 | DM=$(DESTDIR)$(MANPATH)
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62 |
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63 | OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \
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64 | pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \
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65 | pngwtran.o pngmem.o pngerror.o pngpread.o
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66 |
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67 | OBJSDLL = $(OBJS:.o=.pic.o)
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68 |
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69 | .SUFFIXES: .c .o .pic.o
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70 |
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71 | .c.pic.o:
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72 | $(CC) -c $(CFLAGS) -fPIC -o $@ $*.c
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73 |
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74 | all: libpng.a $(LIBNAME).so pngtest pngtest-static libpng.pc libpng-config
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75 |
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76 | libpng.a: $(OBJS)
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77 | ar rc $@ $(OBJS)
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78 | $(RANLIB) $@
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79 |
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80 | libpng.pc:
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81 | cat scripts/libpng.pc.in | sed -e s\!@PREFIX@!$(prefix)! > libpng.pc
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82 |
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83 | libpng.syms: png.h pngconf.h
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84 | $(CC) $(CFLAGS) -E -DPNG_BUILDSYMS png.h |\
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85 | awk -F '[\t [\]();]' 'BEGIN{print "{global:"}\
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86 | { for (i=1;i+2<=NF;++i)\
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87 | if ($$(i)=="PNG_FUNCTION_EXPORT" && $$(i+2)=="END")\
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88 | print $$(i+1) ";";\
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89 | for (i=1;i+1<=NF;++i)\
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90 | if ($$(i)=="PNG_DATA_EXPORT")\
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91 | print $$(i+1) ";";}\
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92 | END{print "local: *; };"}' >$@.new
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93 | rm -f $@
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94 | mv $@.new $@
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95 |
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96 | libpng-config:
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97 | ( cat scripts/libpng-config-head.in; \
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98 | echo prefix=\"$(prefix)\"; \
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99 | echo I_opts=\"-I$(INCPATH)/$(LIBNAME)\"; \
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100 | echo L_opts=\"-L$(LIBPATH)\"; \
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101 | echo R_opts=\"-Wl,-rpath,$(LIBPATH)\"; \
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102 | echo libs=\"-lpng12 -lz -lm\"; \
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103 | cat scripts/libpng-config-body.in ) > libpng-config
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104 | chmod +x libpng-config
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105 |
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106 | $(LIBNAME).so: $(LIBNAME).so.$(PNGMAJ)
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107 | ln -sf $(LIBNAME).so.$(PNGMAJ) $(LIBNAME).so
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108 |
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109 | $(LIBNAME).so.$(PNGMAJ): $(LIBNAME).so.$(PNGVER)
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110 | ln -sf $(LIBNAME).so.$(PNGVER) $(LIBNAME).so.$(PNGMAJ)
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111 |
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112 | $(LIBNAME).so.$(PNGVER): $(OBJSDLL) libpng.syms
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113 | $(CC) -shared -Wl,-soname,$(LIBNAME).so.$(PNGMAJ) \
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114 | -Wl,-version-script,libpng.syms \
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115 | -o $(LIBNAME).so.$(PNGVER) \
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116 | $(OBJSDLL)
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117 |
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118 | libpng.so.3.$(PNGMIN): $(OBJSDLL) libpng.syms
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119 | $(CC) -shared -Wl,-soname,libpng.so.3 \
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120 | -Wl,-version-script,libpng.syms \
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121 | -o libpng.so.3.$(PNGMIN) \
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122 | $(OBJSDLL)
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123 |
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124 | pngtest: pngtest.o $(LIBNAME).so
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125 | $(CC) -o pngtest $(CFLAGS) pngtest.o $(LDFLAGS)
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126 |
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127 | pngtest-static: pngtest.o libpng.a
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128 | $(CC) -o pngtest-static $(CFLAGS) pngtest.o $(LDFLAGS_A)
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129 |
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130 | test: pngtest pngtest-static
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131 | @echo ""
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132 | @echo " Running pngtest dynamically linked with $(LIBNAME).so:"
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133 | @echo ""
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134 | ./pngtest
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135 | @echo ""
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136 | @echo " Running pngtest statically linked with libpng.a:"
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137 | @echo ""
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138 | ./pngtest-static
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139 |
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140 | install-headers: png.h pngconf.h
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141 | -@if [ ! -d $(DI) ]; then mkdir $(DI); fi
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142 | -@if [ ! -d $(DI)/$(LIBNAME) ]; then mkdir $(DI)/$(LIBNAME); fi
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143 | cp png.h pngconf.h $(DI)/$(LIBNAME)
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144 | chmod 644 $(DI)/$(LIBNAME)/png.h $(DI)/$(LIBNAME)/pngconf.h
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145 | -@/bin/rm -f $(DI)/png.h $(DI)/pngconf.h
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146 | -@/bin/rm -f $(DI)/libpng
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147 | (cd $(DI); ln -sf $(LIBNAME) libpng; ln -sf $(LIBNAME)/* .)
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148 |
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149 | install-static: install-headers libpng.a
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150 | -@if [ ! -d $(DL) ]; then mkdir $(DL); fi
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151 | cp libpng.a $(DL)/$(LIBNAME).a
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152 | chmod 644 $(DL)/$(LIBNAME).a
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153 | -@/bin/rm -f $(DL)/libpng.a
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154 | (cd $(DL); ln -sf $(LIBNAME).a libpng.a)
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155 |
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156 | install-shared: install-headers $(LIBNAME).so.$(PNGVER) libpng.pc \
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157 | libpng.so.3.$(PNGMIN)
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158 | -@if [ ! -d $(DL) ]; then mkdir $(DL); fi
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159 | -@/bin/rm -f $(DL)/$(LIBNAME).so.$(PNGVER)* $(DL)/$(LIBNAME).so
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160 | -@/bin/rm -f $(DL)/$(LIBNAME).so.$(PNGMAJ)
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161 | -@/bin/rm -f $(DL)/libpng.so
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162 | -@/bin/rm -f $(DL)/libpng.so.3
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163 | -@/bin/rm -f $(DL)/libpng.so.3.$(PNGMIN)*
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164 | cp $(LIBNAME).so.$(PNGVER) $(DL)
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165 | cp libpng.so.3.$(PNGMIN) $(DL)
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166 | chmod 755 $(DL)/$(LIBNAME).so.$(PNGVER)
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167 | chmod 755 $(DL)/libpng.so.3.$(PNGMIN)
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168 | (cd $(DL); \
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169 | ln -sf libpng.so.3.$(PNGMIN) libpng.so.3; \
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170 | ln -sf libpng.so.3 libpng.so; \
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171 | ln -sf $(LIBNAME).so.$(PNGVER) $(LIBNAME).so.$(PNGMAJ); \
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172 | ln -sf $(LIBNAME).so.$(PNGMAJ) $(LIBNAME).so)
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173 | -@if [ ! -d $(DL)/pkgconfig ]; then mkdir $(DL)/pkgconfig; fi
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174 | -@/bin/rm -f $(DL)/pkgconfig/$(LIBNAME).pc
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175 | -@/bin/rm -f $(DL)/pkgconfig/libpng.pc
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176 | cp libpng.pc $(DL)/pkgconfig/$(LIBNAME).pc
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177 | chmod 644 $(DL)/pkgconfig/$(LIBNAME).pc
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178 | (cd $(DL)/pkgconfig; ln -sf $(LIBNAME).pc libpng.pc)
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179 |
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180 | install-man: libpng.3 libpngpf.3 png.5
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181 | -@if [ ! -d $(DM) ]; then mkdir $(DM); fi
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182 | -@if [ ! -d $(DM)/man3 ]; then mkdir $(DM)/man3; fi
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183 | -@/bin/rm -f $(DM)/man3/libpng.3
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184 | -@/bin/rm -f $(DM)/man3/libpngpf.3
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185 | cp libpng.3 $(DM)/man3
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186 | cp libpngpf.3 $(DM)/man3
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187 | -@if [ ! -d $(DM)/man5 ]; then mkdir $(DM)/man5; fi
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188 | -@/bin/rm -f $(DM)/man5/png.5
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189 | cp png.5 $(DM)/man5
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190 |
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191 | install-config: libpng-config
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192 | -@if [ ! -d $(DB) ]; then mkdir $(DB); fi
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193 | -@/bin/rm -f $(DB)/libpng-config
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194 | -@/bin/rm -f $(DB)/$(LIBNAME)-config
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195 | cp libpng-config $(DB)/$(LIBNAME)-config
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196 | chmod 755 $(DB)/$(LIBNAME)-config
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197 | (cd $(DB); ln -sf $(LIBNAME)-config libpng-config)
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198 |
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199 | install: install-static install-shared install-man install-config
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200 |
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201 | # If you installed in $(DESTDIR), test-installed won't work until you
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202 | # move the library to its final location. Use test-dd to test it
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203 | # before then.
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204 |
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205 | test-dd:
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206 | echo
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207 | echo Testing installed dynamic shared library in $(DL).
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208 | $(CC) -I$(DI) -I$(ZLIBINC) \
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209 | `$(BINPATH)/libpng12-config --cflags` pngtest.c \
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210 | -L$(DL) -L$(ZLIBLIB) -W1, -rpath,$(DL) -Wl,-rpath,$(ZLIBLIB) \
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211 | -o pngtestd `$(BINPATH)/libpng12-config --ldflags`
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212 | ./pngtestd pngtest.png
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213 |
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214 | test-installed:
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215 | $(CC) -I$(ZLIBINC) \
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216 | `$(BINPATH)/libpng12-config --cflags` pngtest.c \
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217 | -L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) \
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218 | -o pngtesti `$(BINPATH)/libpng12-config --ldflags`
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219 | ./pngtesti pngtest.png
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220 |
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221 | clean:
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222 | /bin/rm -f *.o libpng.a libpng.syms pngtest pngout.png libpng-config \
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223 | $(LIBNAME).so $(LIBNAME).so.$(PNGMAJ)* pngtest-static pngtesti \
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224 | libpng.so.3.$(PNGMIN) \
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225 | libpng.pc
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226 |
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227 | DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO
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228 | writelock:
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229 | chmod a-w *.[ch35] $(DOCS) scripts/*
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230 |
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231 | # DO NOT DELETE THIS LINE -- make depend depends on it.
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232 |
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233 | png.o png.pic.o: png.h pngconf.h
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234 | pngerror.o pngerror.pic.o: png.h pngconf.h
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235 | pngrio.o pngrio.pic.o: png.h pngconf.h
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236 | pngwio.o pngwio.pic.o: png.h pngconf.h
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237 | pngmem.o pngmem.pic.o: png.h pngconf.h
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238 | pngset.o pngset.pic.o: png.h pngconf.h
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239 | pngget.o pngget.pic.o: png.h pngconf.h
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240 | pngread.o pngread.pic.o: png.h pngconf.h
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241 | pngrtran.o pngrtran.pic.o: png.h pngconf.h
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242 | pngrutil.o pngrutil.pic.o: png.h pngconf.h
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243 | pngtrans.o pngtrans.pic.o: png.h pngconf.h
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244 | pngwrite.o pngwrite.pic.o: png.h pngconf.h
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245 | pngwtran.o pngwtran.pic.o: png.h pngconf.h
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246 | pngwutil.o pngwutil.pic.o: png.h pngconf.h
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247 | pngpread.o pngpread.pic.o: png.h pngconf.h
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248 |
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249 | pngtest.o: png.h pngconf.h
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