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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 |
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3 # and Glenn Randers-Pehrson |
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4 # Copyright (C) 1996, 1997 Andreas Dilger |
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5 # For conditions of distribution and use, see copyright notice in png.h |
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6 |
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7 # Modified for Debian by Junichi Uekawa and Josselin Mouette |
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8 # Major modifications are: |
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9 # * link libpng explicitly with libz and libm |
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10 # * $(OLDSO).3 is a symlink rather than a different library |
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11 # * versioned symbols |
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12 |
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13 # Library name: |
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14 LIBNAME = libpng12 |
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15 PNGMAJ = 0 |
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16 PNGMIN = 1.2.32 |
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17 PNGVER = $(PNGMAJ).$(PNGMIN) |
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18 |
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19 # Shared library names: |
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20 LIBSO=$(LIBNAME).so |
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21 LIBSOMAJ=$(LIBNAME).so.$(PNGMAJ) |
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22 LIBSOVER=$(LIBNAME).so.$(PNGVER) |
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23 OLDSO=libpng.so |
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24 OLDSOMAJ=libpng.so.3 |
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25 OLDSOVER=libpng.so.3.$(PNGMIN) |
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26 |
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27 # Utilities: |
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28 AR_RC=ar rc |
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29 CC=gcc |
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30 MKDIR_P=mkdir -p |
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31 LN_SF=ln -sf |
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32 RANLIB=ranlib |
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33 RM_F=/bin/rm -f |
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34 |
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35 # where "make install" puts libpng12.a, libpng12.so*, |
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36 # libpng12/png.h and libpng12/pngconf.h |
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37 # Prefix must be a full pathname. |
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38 prefix=/usr/local |
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39 exec_prefix=$(prefix) |
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40 |
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41 # Where the zlib library and include files are located. |
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42 ZLIBLIB=/usr/local/lib |
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43 ZLIBINC=/usr/local/include |
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44 # ZLIBLIB=../zlib |
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45 # ZLIBINC=../zlib |
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46 |
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47 ALIGN= |
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48 # for i386: |
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49 #ALIGN=-malign-loops=2 -malign-functions=2 |
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50 |
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51 WARNMORE=-Wwrite-strings -Wpointer-arith -Wshadow \ |
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52 -Wmissing-declarations -Wtraditional -Wcast-align \ |
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53 -Wstrict-prototypes -Wmissing-prototypes #-Wconversion |
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54 |
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55 # for pgcc version 2.95.1, -O3 is buggy; don't use it. |
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56 |
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57 CFLAGS=-W -Wall -D_REENTRANT -O2 \ |
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58 $(ALIGN) # $(WARNMORE) -g -DPNG_DEBUG=5 |
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59 |
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60 LDFLAGS=-L. -lpng12 |
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61 LDFLAGS_A=libpng.a -lz -lm |
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62 LIBADDFLAGS=-lz -lm |
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63 |
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64 |
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65 INCPATH=$(prefix)/include |
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66 LIBPATH=$(exec_prefix)/lib |
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67 MANPATH=$(prefix)/man |
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68 BINPATH=$(exec_prefix)/bin |
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69 |
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70 # override DESTDIR= on the make install command line to easily support |
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71 # installing into a temporary location. Example: |
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72 # |
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73 # make install DESTDIR=/tmp/build/libpng |
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74 # |
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75 # If you're going to install into a temporary location |
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76 # via DESTDIR, $(DESTDIR)$(prefix) must already exist before |
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77 # you execute make install. |
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78 DESTDIR= |
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79 |
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80 DB=$(DESTDIR)$(BINPATH) |
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81 DI=$(DESTDIR)$(INCPATH) |
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82 DL=$(DESTDIR)$(LIBPATH) |
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83 DM=$(DESTDIR)$(MANPATH) |
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84 |
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85 OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \ |
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86 pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \ |
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87 pngwtran.o pngmem.o pngerror.o pngpread.o |
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88 |
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89 OBJSDLL = $(OBJS:.o=.pic.o) |
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90 |
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91 .SUFFIXES: .c .o .pic.o |
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92 |
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93 .c.pic.o: |
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94 $(CC) -c $(CFLAGS) -fPIC -o $@ $*.c |
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95 |
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96 all: libpng.a $(LIBSO) pngtest pngtest-static libpng.pc libpng-config |
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97 |
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98 libpng.a: $(OBJS) |
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99 $(AR_RC) $@ $(OBJS) |
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100 $(RANLIB) $@ |
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101 |
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102 libpng.pc: |
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103 cat scripts/libpng.pc.in | sed -e s!@prefix@!$(prefix)! \ |
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104 -e s!@exec_prefix@!$(exec_prefix)! \ |
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105 -e s!@libdir@!$(LIBPATH)! \ |
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106 -e s!@includedir@!$(INCPATH)! \ |
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107 -e s!-lpng12!-lpng12\ -lz\ -lm! > libpng.pc |
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108 |
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109 libpng.syms: png.h pngconf.h |
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110 $(CC) $(CFLAGS) -E -DPNG_BUILDSYMS -DPNG_INTERNAL png.h |\ |
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111 awk -F '[\t [\\]();]' -v PNGMAJ=$(PNGMAJ) 'BEGIN{printf("PNG12_%s {global:\n",PNGMAJ)}\ |
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112 { for (i=1;i+2<=NF;++i)\ |
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113 if ($$(i)=="PNG_FUNCTION_EXPORT" && $$(i+2)=="END")\ |
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114 print $$(i+1) ";";\ |
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115 for (i=1;i+1<=NF;++i)\ |
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116 if ($$(i)=="PNG_DATA_EXPORT")\ |
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117 print $$(i+1) ";";}\ |
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118 END{print "local: *; };"}' >$@.new |
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119 $(RM_F) $@ |
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120 mv $@.new $@ |
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121 |
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122 libpng-config: |
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123 ( cat scripts/libpng-config-head.in; \ |
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124 echo prefix=\"$(prefix)\"; \ |
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125 echo I_opts=\"-I$(INCPATH)/$(LIBNAME)\"; \ |
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126 echo L_opts=\"\"; \ |
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127 echo R_opts=\"\"; \ |
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128 echo libs=\"-lpng12\"; \ |
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129 echo all_libs=\"-lpng12 $(LIBADDFLAGS)\"; \ |
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130 cat scripts/libpng-config-body.in ) > libpng-config |
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131 chmod +x libpng-config |
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132 |
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133 $(LIBSO): $(LIBSOMAJ) |
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134 $(LN_SF) $(LIBSOMAJ) $(LIBSO) |
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135 |
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136 $(LIBSOMAJ): $(LIBSOVER) |
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137 $(LN_SF) $(LIBSOVER) $(LIBSOMAJ) |
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138 |
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139 $(LIBSOVER): $(OBJSDLL) libpng.syms |
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140 $(CC) -shared -Wl,-soname,$(LIBSOMAJ) \ |
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141 -Wl,-version-script,libpng.syms \ |
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142 -o $(LIBSOVER) \ |
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143 $(OBJSDLL) |
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144 |
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145 $(OLDSOVER): $(OBJSDLL) libpng.syms |
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146 $(CC) -shared -Wl,-soname,$(OLDSOMAJ) \ |
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147 -Wl,-version-script,libpng.syms \ |
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148 -o $(OLDSOVER) \ |
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149 $(OBJSDLL) |
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150 |
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151 pngtest: pngtest.o $(LIBSO) |
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152 $(CC) -o pngtest $(CFLAGS) pngtest.o $(LDFLAGS) |
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153 |
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154 pngtest-static: pngtest.o libpng.a |
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155 $(CC) -o pngtest-static $(CFLAGS) pngtest.o $(LDFLAGS_A) |
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156 |
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157 test: pngtest pngtest-static |
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158 @echo "" |
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159 @echo " Running pngtest dynamically linked with $(LIBSO):" |
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160 @echo "" |
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161 LD_LIBRARY_PATH=".:${LD_LIBRARY_PATH}" ./pngtest |
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162 @echo "" |
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163 @echo " Running pngtest statically linked with libpng.a:" |
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164 @echo "" |
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165 ./pngtest-static |
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166 |
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167 install-headers: png.h pngconf.h |
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168 -@if [ ! -d $(DI) ]; then $(MKDIR_P) $(DI); fi |
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169 -@if [ ! -d $(DI)/$(LIBNAME) ]; then $(MKDIR_P) $(DI)/$(LIBNAME); fi |
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170 cp png.h pngconf.h $(DI)/$(LIBNAME) |
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171 chmod 644 $(DI)/$(LIBNAME)/png.h $(DI)/$(LIBNAME)/pngconf.h |
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172 -@$(RM_F) $(DI)/png.h $(DI)/pngconf.h |
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173 -@$(RM_F) $(DI)/libpng |
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174 (cd $(DI); $(LN_SF) $(LIBNAME) libpng; $(LN_SF) $(LIBNAME)/* .) |
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175 |
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176 install-static: install-headers libpng.a |
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177 -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi |
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178 cp libpng.a $(DL)/$(LIBNAME).a |
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179 chmod 644 $(DL)/$(LIBNAME).a |
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180 -@$(RM_F) $(DL)/libpng.a |
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181 (cd $(DL); $(LN_SF) $(LIBNAME).a libpng.a) |
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182 |
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183 install-shared: install-headers $(LIBSOVER) libpng.pc \ |
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184 $(OLDSOVER) |
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185 -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi |
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186 -@$(RM_F) $(DL)/$(LIBSOVER)* $(DL)/$(LIBSO) |
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187 -@$(RM_F) $(DL)/$(LIBSOMAJ) |
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188 -@$(RM_F) $(DL)/$(OLDSO) |
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189 -@$(RM_F) $(DL)/$(OLDSOMAJ) |
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190 -@$(RM_F) $(DL)/$(OLDSOVER)* |
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191 cp $(LIBSOVER) $(DL) |
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192 cp $(OLDSOVER) $(DL) |
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193 chmod 755 $(DL)/$(LIBSOVER) |
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194 chmod 755 $(DL)/$(OLDSOVER) |
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195 (cd $(DL); \ |
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196 $(LN_SF) $(OLDSOVER) $(OLDSOMAJ); \ |
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197 $(LN_SF) $(OLDSOMAJ) $(OLDSO); \ |
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198 $(LN_SF) $(LIBSOVER) $(LIBSOMAJ); \ |
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199 $(LN_SF) $(LIBSOMAJ) $(LIBSO)) |
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200 -@if [ ! -d $(DL)/pkgconfig ]; then $(MKDIR_P) $(DL)/pkgconfig; fi |
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201 -@$(RM_F) $(DL)/pkgconfig/$(LIBNAME).pc |
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202 -@$(RM_F) $(DL)/pkgconfig/libpng.pc |
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203 cp libpng.pc $(DL)/pkgconfig/$(LIBNAME).pc |
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204 chmod 644 $(DL)/pkgconfig/$(LIBNAME).pc |
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205 (cd $(DL)/pkgconfig; $(LN_SF) $(LIBNAME).pc libpng.pc) |
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206 |
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207 install-man: libpng.3 libpngpf.3 png.5 |
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208 -@if [ ! -d $(DM) ]; then $(MKDIR_P) $(DM); fi |
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209 -@if [ ! -d $(DM)/man3 ]; then $(MKDIR_P) $(DM)/man3; fi |
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210 -@$(RM_F) $(DM)/man3/libpng.3 |
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211 -@$(RM_F) $(DM)/man3/libpngpf.3 |
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212 cp libpng.3 $(DM)/man3 |
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213 cp libpngpf.3 $(DM)/man3 |
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214 -@if [ ! -d $(DM)/man5 ]; then $(MKDIR_P) $(DM)/man5; fi |
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215 -@$(RM_F) $(DM)/man5/png.5 |
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216 cp png.5 $(DM)/man5 |
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217 |
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218 install-config: libpng-config |
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219 -@if [ ! -d $(DB) ]; then $(MKDIR_P) $(DB); fi |
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220 -@$(RM_F) $(DB)/libpng-config |
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221 -@$(RM_F) $(DB)/$(LIBNAME)-config |
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222 cp libpng-config $(DB)/$(LIBNAME)-config |
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223 chmod 755 $(DB)/$(LIBNAME)-config |
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224 (cd $(DB); $(LN_SF) $(LIBNAME)-config libpng-config) |
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225 |
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226 install: install-static install-shared install-man install-config |
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227 |
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228 # If you installed in $(DESTDIR), test-installed won't work until you |
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229 # move the library to its final location. Use test-dd to test it |
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230 # before then. |
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231 |
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232 test-dd: |
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233 echo |
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234 echo Testing installed dynamic shared library in $(DL). |
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235 $(CC) -I$(DI) -I$(ZLIBINC) \ |
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236 `$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \ |
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237 -L$(DL) -L$(ZLIBLIB) -Wl, -rpath,$(DL) -Wl,-rpath,$(ZLIBLIB) \ |
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238 -o pngtestd `$(BINPATH)/$(LIBNAME)-config --ldflags` |
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239 ./pngtestd pngtest.png |
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240 |
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241 test-installed: |
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242 $(CC) -I$(ZLIBINC) \ |
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243 `$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \ |
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244 -L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) \ |
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245 -o pngtesti `$(BINPATH)/$(LIBNAME)-config --ldflags` |
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246 ./pngtesti pngtest.png |
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247 |
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248 clean: |
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249 $(RM_F) *.o libpng.a libpng.syms pngtest pngout.png libpng-config \ |
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250 $(LIBSO) $(LIBSOMAJ)* pngtest-static pngtesti \ |
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251 $(OLDSOVER) \ |
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252 libpng.pc |
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253 |
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254 DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO |
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255 writelock: |
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256 chmod a-w *.[ch35] $(DOCS) scripts/* |
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257 |
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258 # DO NOT DELETE THIS LINE -- make depend depends on it. |
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259 |
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260 png.o png.pic.o: png.h pngconf.h |
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261 pngerror.o pngerror.pic.o: png.h pngconf.h |
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262 pngrio.o pngrio.pic.o: png.h pngconf.h |
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263 pngwio.o pngwio.pic.o: png.h pngconf.h |
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264 pngmem.o pngmem.pic.o: png.h pngconf.h |
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265 pngset.o pngset.pic.o: png.h pngconf.h |
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266 pngget.o pngget.pic.o: png.h pngconf.h |
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267 pngread.o pngread.pic.o: png.h pngconf.h |
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268 pngrtran.o pngrtran.pic.o: png.h pngconf.h |
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269 pngrutil.o pngrutil.pic.o: png.h pngconf.h |
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270 pngtrans.o pngtrans.pic.o: png.h pngconf.h |
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271 pngwrite.o pngwrite.pic.o: png.h pngconf.h |
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272 pngwtran.o pngwtran.pic.o: png.h pngconf.h |
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273 pngwutil.o pngwutil.pic.o: png.h pngconf.h |
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274 pngpread.o pngpread.pic.o: png.h pngconf.h |
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275 |
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276 pngtest.o: png.h pngconf.h |