1 | # makefile for libpng.a and libpng12.so on Linux ELF with gcc
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2 | # Copyright (C) 1998, 1999, 2002, 2006, 2008 Greg Roelofs and
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3 | # Glenn Randers-Pehrson
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4 | # Copyright (C) 1996, 1997 Andreas Dilger
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5 | #
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6 | # This code is released under the libpng license.
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7 | # For conditions of distribution and use, see the disclaimer
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8 | # and license in png.h
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9 |
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10 | # Library name:
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11 | LIBNAME = libpng12
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12 | PNGMAJ = 0
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13 | PNGMIN = 1.2.53
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14 | PNGVER = $(PNGMAJ).$(PNGMIN)
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15 |
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16 | # Shared library names:
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17 | LIBSO=$(LIBNAME).so
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18 | LIBSOMAJ=$(LIBNAME).so.$(PNGMAJ)
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19 | LIBSOVER=$(LIBNAME).so.$(PNGVER)
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20 | OLDSO=libpng.so
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21 | OLDSOMAJ=libpng.so.3
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22 | OLDSOVER=libpng.so.3.$(PNGMIN)
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23 |
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24 | # Utilities:
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25 | AR_RC=ar rc
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26 | CC=gcc
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27 | MKDIR_P=mkdir -p
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28 | LN_SF=ln -sf
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29 | RANLIB=ranlib
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30 | RM_F=/bin/rm -f
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31 |
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32 | # where "make install" puts libpng12.a, libpng12.so*,
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33 | # libpng12/png.h and libpng12/pngconf.h
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34 | # Prefix must be a full pathname.
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35 | prefix=/usr/local
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36 | exec_prefix=$(prefix)
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37 |
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38 | # Where the zlib library and include files are located.
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39 | #ZLIBLIB=/usr/local/lib
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40 | #ZLIBINC=/usr/local/include
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41 | ZLIBLIB=../zlib
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42 | ZLIBINC=../zlib
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43 |
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44 | ALIGN=
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45 | # for i386:
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46 | #ALIGN=-malign-loops=2 -malign-functions=2
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47 |
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48 | WARNMORE=-Wwrite-strings -Wpointer-arith -Wshadow \
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49 | -Wmissing-declarations -Wtraditional -Wcast-align \
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50 | -Wstrict-prototypes -Wmissing-prototypes #-Wconversion
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51 |
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52 | # for pgcc version 2.95.1, -O3 is buggy; don't use it.
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53 |
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54 | CFLAGS=-I$(ZLIBINC) -W -Wall -O3 -funroll-loops -DPNG_NO_MMX_CODE \
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55 | $(ALIGN) # $(WARNMORE) -g -DPNG_DEBUG=5
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56 |
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57 | LDFLAGS=-L. -Wl,-rpath,. -L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) -lpng12 -lz -lm
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58 | LDFLAGS_A=-L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) libpng.a -lz -lm
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59 |
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60 | INCPATH=$(prefix)/include
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61 | LIBPATH=$(exec_prefix)/lib
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62 | MANPATH=$(prefix)/man
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63 | BINPATH=$(exec_prefix)/bin
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64 |
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65 | # override DESTDIR= on the make install command line to easily support
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66 | # installing into a temporary location. Example:
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67 | #
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68 | # make install DESTDIR=/tmp/build/libpng
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69 | #
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70 | # If you're going to install into a temporary location
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71 | # via DESTDIR, $(DESTDIR)$(prefix) must already exist before
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72 | # you execute make install.
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73 | DESTDIR=
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74 |
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75 | DB=$(DESTDIR)$(BINPATH)
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76 | DI=$(DESTDIR)$(INCPATH)
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77 | DL=$(DESTDIR)$(LIBPATH)
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78 | DM=$(DESTDIR)$(MANPATH)
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79 |
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80 | OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \
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81 | pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \
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82 | pngwtran.o pngmem.o pngerror.o pngpread.o
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83 |
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84 | OBJSDLL = $(OBJS:.o=.pic.o)
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85 |
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86 | .SUFFIXES: .c .o .pic.o
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87 |
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88 | .c.pic.o:
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89 | $(CC) -c $(CFLAGS) -fPIC -o $@ $*.c
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90 |
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91 | all: libpng.a $(LIBSO) pngtest pngtest-static libpng.pc libpng-config
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92 |
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93 | libpng.a: $(OBJS)
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94 | $(AR_RC) $@ $(OBJS)
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95 | $(RANLIB) $@
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96 |
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97 | libpng.pc:
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98 | cat scripts/libpng.pc.in | sed -e s!@prefix@!$(prefix)! \
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99 | -e s!@exec_prefix@!$(exec_prefix)! \
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100 | -e s!@libdir@!$(LIBPATH)! \
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101 | -e s!@includedir@!$(INCPATH)! \
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102 | -e s!-lpng12!-lpng12\ -lz\ -lm! > libpng.pc
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103 |
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104 | libpng-config:
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105 | ( cat scripts/libpng-config-head.in; \
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106 | echo prefix=\"$(prefix)\"; \
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107 | echo I_opts=\"-I$(INCPATH)/$(LIBNAME)\"; \
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108 | echo L_opts=\"-L$(LIBPATH)\"; \
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109 | echo R_opts=\"-Wl,-rpath,$(LIBPATH)\"; \
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110 | echo libs=\"-lpng12 -lz -lm\"; \
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111 | cat scripts/libpng-config-body.in ) > libpng-config
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112 | chmod +x libpng-config
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113 |
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114 | $(LIBSO): $(LIBSOMAJ)
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115 | $(LN_SF) $(LIBSOMAJ) $(LIBSO)
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116 |
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117 | $(LIBSOMAJ): $(LIBSOVER)
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118 | $(LN_SF) $(LIBSOVER) $(LIBSOMAJ)
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119 |
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120 | $(LIBSOVER): $(OBJSDLL)
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121 | $(CC) -shared -Wl,-soname,$(LIBSOMAJ) -o $(LIBSOVER) $(OBJSDLL)
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122 |
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123 | $(OLDSOVER): $(OBJSDLL)
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124 | $(CC) -shared -Wl,-soname,$(OLDSOMAJ) \
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125 | -o $(OLDSOVER) \
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126 | $(OBJSDLL)
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127 |
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128 | pngtest: pngtest.o $(LIBSO)
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129 | $(CC) -o pngtest $(CFLAGS) pngtest.o $(LDFLAGS)
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130 |
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131 | pngtest-static: pngtest.o libpng.a
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132 | $(CC) -o pngtest-static $(CFLAGS) pngtest.o $(LDFLAGS_A)
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133 |
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134 | test: pngtest pngtest-static
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135 | @echo ""
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136 | @echo " Running pngtest dynamically linked with $(LIBSO):"
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137 | @echo ""
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138 | ./pngtest
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139 | @echo ""
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140 | @echo " Running pngtest statically linked with libpng.a:"
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141 | @echo ""
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142 | ./pngtest-static
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143 |
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144 | install-headers: png.h pngconf.h
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145 | -@if [ ! -d $(DI) ]; then $(MKDIR_P) $(DI); fi
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146 | -@if [ ! -d $(DI)/$(LIBNAME) ]; then $(MKDIR_P) $(DI)/$(LIBNAME); fi
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147 | cp png.h pngconf.h $(DI)/$(LIBNAME)
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148 | chmod 644 $(DI)/$(LIBNAME)/png.h $(DI)/$(LIBNAME)/pngconf.h
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149 | -@$(RM_F) $(DI)/png.h $(DI)/pngconf.h
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150 | -@$(RM_F) $(DI)/libpng
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151 | (cd $(DI); $(LN_SF) $(LIBNAME) libpng; $(LN_SF) $(LIBNAME)/* .)
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152 |
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153 | install-static: install-headers libpng.a
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154 | -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi
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155 | cp libpng.a $(DL)/$(LIBNAME).a
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156 | chmod 644 $(DL)/$(LIBNAME).a
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157 | -@$(RM_F) $(DL)/libpng.a
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158 | (cd $(DL); $(LN_SF) $(LIBNAME).a libpng.a)
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159 |
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160 | install-shared: install-headers $(LIBSOVER) libpng.pc \
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161 | $(OLDSOVER)
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162 | -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi
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163 | -@$(RM_F) $(DL)/$(LIBSOVER)* $(DL)/$(LIBSO)
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164 | -@$(RM_F) $(DL)/$(LIBSOMAJ)
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165 | -@$(RM_F) $(DL)/$(OLDSO)
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166 | -@$(RM_F) $(DL)/$(OLDSOMAJ)
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167 | -@$(RM_F) $(DL)/$(OLDSOVER)*
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168 | cp $(LIBSOVER) $(DL)
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169 | cp $(OLDSOVER) $(DL)
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170 | chmod 755 $(DL)/$(LIBSOVER)
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171 | chmod 755 $(DL)/$(OLDSOVER)
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172 | (cd $(DL); \
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173 | $(LN_SF) $(OLDSOVER) $(OLDSOMAJ); \
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174 | $(LN_SF) $(OLDSOMAJ) $(OLDSO); \
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175 | $(LN_SF) $(LIBSOVER) $(LIBSOMAJ); \
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176 | $(LN_SF) $(LIBSOMAJ) $(LIBSO))
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177 | -@if [ ! -d $(DL)/pkgconfig ]; then $(MKDIR_P) $(DL)/pkgconfig; fi
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178 | -@$(RM_F) $(DL)/pkgconfig/$(LIBNAME).pc
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179 | -@$(RM_F) $(DL)/pkgconfig/libpng.pc
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180 | cp libpng.pc $(DL)/pkgconfig/$(LIBNAME).pc
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181 | chmod 644 $(DL)/pkgconfig/$(LIBNAME).pc
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182 | (cd $(DL)/pkgconfig; $(LN_SF) $(LIBNAME).pc libpng.pc)
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183 |
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184 | install-man: libpng.3 libpngpf.3 png.5
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185 | -@if [ ! -d $(DM) ]; then $(MKDIR_P) $(DM); fi
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186 | -@if [ ! -d $(DM)/man3 ]; then $(MKDIR_P) $(DM)/man3; fi
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187 | -@$(RM_F) $(DM)/man3/libpng.3
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188 | -@$(RM_F) $(DM)/man3/libpngpf.3
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189 | cp libpng.3 $(DM)/man3
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190 | cp libpngpf.3 $(DM)/man3
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191 | -@if [ ! -d $(DM)/man5 ]; then $(MKDIR_P) $(DM)/man5; fi
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192 | -@$(RM_F) $(DM)/man5/png.5
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193 | cp png.5 $(DM)/man5
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194 |
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195 | install-config: libpng-config
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196 | -@if [ ! -d $(DB) ]; then $(MKDIR_P) $(DB); fi
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197 | -@$(RM_F) $(DB)/libpng-config
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198 | -@$(RM_F) $(DB)/$(LIBNAME)-config
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199 | cp libpng-config $(DB)/$(LIBNAME)-config
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200 | chmod 755 $(DB)/$(LIBNAME)-config
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201 | (cd $(DB); $(LN_SF) $(LIBNAME)-config libpng-config)
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202 |
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203 | install: install-static install-shared install-man install-config
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204 |
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205 | # If you installed in $(DESTDIR), test-installed won't work until you
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206 | # move the library to its final location. Use test-dd to test it
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207 | # before then.
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208 |
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209 | test-dd:
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210 | echo
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211 | echo Testing installed dynamic shared library in $(DL).
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212 | $(CC) -I$(DI) -I$(ZLIBINC) \
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213 | `$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \
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214 | -L$(DL) -L$(ZLIBLIB) -Wl, -rpath,$(DL) -Wl,-rpath,$(ZLIBLIB) \
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215 | -o pngtestd `$(BINPATH)/$(LIBNAME)-config --ldflags`
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216 | ./pngtestd pngtest.png
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217 |
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218 | test-installed:
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219 | $(CC) -I$(ZLIBINC) \
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220 | `$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \
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221 | -L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) \
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222 | -o pngtesti `$(BINPATH)/$(LIBNAME)-config --ldflags`
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223 | ./pngtesti pngtest.png
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224 |
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225 | clean:
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226 | $(RM_F) *.o libpng.a pngtest pngout.png libpng-config \
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227 | $(LIBSO) $(LIBSOMAJ)* pngtest-static pngtesti \
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228 | $(OLDSOVER) \
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229 | libpng.pc
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230 |
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231 | DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO
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232 | writelock:
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233 | chmod a-w *.[ch35] $(DOCS) scripts/*
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234 |
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235 | # DO NOT DELETE THIS LINE -- make depend depends on it.
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236 |
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237 | png.o png.pic.o: png.h pngconf.h
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238 | pngerror.o pngerror.pic.o: png.h pngconf.h
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239 | pngrio.o pngrio.pic.o: png.h pngconf.h
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240 | pngwio.o pngwio.pic.o: png.h pngconf.h
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241 | pngmem.o pngmem.pic.o: png.h pngconf.h
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242 | pngset.o pngset.pic.o: png.h pngconf.h
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243 | pngget.o pngget.pic.o: png.h pngconf.h
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244 | pngread.o pngread.pic.o: png.h pngconf.h
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245 | pngrtran.o pngrtran.pic.o: png.h pngconf.h
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246 | pngrutil.o pngrutil.pic.o: png.h pngconf.h
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247 | pngtrans.o pngtrans.pic.o: png.h pngconf.h
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248 | pngwrite.o pngwrite.pic.o: png.h pngconf.h
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249 | pngwtran.o pngwtran.pic.o: png.h pngconf.h
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250 | pngwutil.o pngwutil.pic.o: png.h pngconf.h
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251 | pngpread.o pngpread.pic.o: png.h pngconf.h
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252 |
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253 | pngtest.o: png.h pngconf.h
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