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1 # $Id: SConstruct,v 1.2 2006/03/23 14:54:00 dron Exp $ |
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2 |
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3 # Tag Image File Format (TIFF) Software |
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4 # |
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5 # Copyright (C) 2005, Andrey Kiselev <dron@ak4719.spb.edu> |
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6 # |
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7 # Permission to use, copy, modify, distribute, and sell this software and |
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8 # its documentation for any purpose is hereby granted without fee, provided |
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9 # that (i) the above copyright notices and this permission notice appear in |
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10 # all copies of the software and related documentation, and (ii) the names of |
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11 # Sam Leffler and Silicon Graphics may not be used in any advertising or |
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12 # publicity relating to the software without the specific, prior written |
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13 # permission of Sam Leffler and Silicon Graphics. |
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14 # |
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15 # THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND, |
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16 # EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY |
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17 # WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. |
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18 # |
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19 # IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR |
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20 # ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND, |
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21 # OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, |
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22 # WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF |
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23 # LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE |
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24 # OF THIS SOFTWARE. |
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25 |
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26 # This file contains rules to build software with the SCons tool |
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27 # (see the http://www.scons.org/ for details on SCons). |
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28 |
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29 import os |
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30 |
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31 env = Environment() |
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32 |
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33 # Read the user supplied options |
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34 opts = Options('libtiff.conf') |
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35 opts.Add(PathOption('PREFIX', \ |
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36 'install architecture-independent files in this directory', \ |
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37 '/usr/local', PathOption.PathIsDirCreate)) |
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38 opts.Add(BoolOption('ccitt', \ |
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39 'enable support for CCITT Group 3 & 4 algorithms', \ |
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40 'yes')) |
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41 opts.Add(BoolOption('packbits', \ |
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42 'enable support for Macintosh PackBits algorithm', \ |
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43 'yes')) |
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44 opts.Add(BoolOption('lzw', \ |
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45 'enable support for LZW algorithm', \ |
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46 'yes')) |
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47 opts.Add(BoolOption('thunder', \ |
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48 'enable support for ThunderScan 4-bit RLE algorithm', \ |
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49 'yes')) |
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50 opts.Add(BoolOption('next', \ |
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51 'enable support for NeXT 2-bit RLE algorithm', \ |
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52 'yes')) |
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53 opts.Add(BoolOption('logluv', \ |
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54 'enable support for LogLuv high dynamic range encoding', \ |
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55 'yes')) |
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56 opts.Add(BoolOption('strip_chopping', \ |
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57 'support for strip chopping (whether or not to convert single-strip uncompressed images to mutiple strips of ~8Kb to reduce memory usage)', \ |
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58 'yes')) |
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59 opts.Add(BoolOption('extrasample_as_alpha', \ |
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60 'the RGBA interface will treat a fourth sample with no EXTRASAMPLE_ value as being ASSOCALPHA. Many packages produce RGBA files but don\'t mark the alpha properly', \ |
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61 'yes')) |
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62 opts.Add(BoolOption('check_ycbcr_subsampling', \ |
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63 'disable picking up YCbCr subsampling info from the JPEG data stream to support files lacking the tag', \ |
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64 'yes')) |
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65 opts.Update(env) |
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66 opts.Save('libtiff.conf', env) |
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67 Help(opts.GenerateHelpText(env)) |
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68 |
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69 # Here are our installation paths: |
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70 idir_prefix = '$PREFIX' |
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71 idir_lib = '$PREFIX/lib' |
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72 idir_bin = '$PREFIX/bin' |
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73 idir_inc = '$PREFIX/include' |
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74 idir_doc = '$PREFIX/doc' |
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75 Export([ 'env', 'idir_prefix', 'idir_lib', 'idir_bin', 'idir_inc', 'idir_doc' ]) |
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76 |
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77 # Now proceed to system feature checks |
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78 target_cpu, target_vendor, target_kernel, target_os = \ |
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79 os.popen("./config.guess").readlines()[0].split("-") |
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80 |
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81 def Define(context, key, have): |
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82 import SCons.Conftest |
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83 SCons.Conftest._Have(context, key, have) |
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84 |
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85 def CheckCustomOption(context, name): |
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86 context.Message('Checking is the ' + name + ' option set... ') |
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87 ret = env[name] |
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88 Define(context, name + '_SUPPORT', ret) |
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89 context.Result(ret) |
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90 return ret |
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91 |
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92 def CheckFillorderOption(context): |
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93 context.Message('Checking for the native cpu bit order... ') |
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94 if target_cpu[0] == 'i' and target_cpu[2:] == '86': |
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95 Define(context, 'HOST_FILLORDER', 'FILLORDER_LSB2MSB') |
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96 context.Result('lsb2msb') |
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97 else: |
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98 Define(context, 'HOST_FILLORDER', 'FILLORDER_MSB2LSB') |
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99 context.Result('msb2lsb') |
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100 return 1 |
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101 |
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102 def CheckIEEEFPOption(context): |
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103 context.Message('Checking for the IEEE floating point format... ') |
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104 Define(context, 'HAVE_IEEEFP', 1) |
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105 context.Result(1) |
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106 return 1 |
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107 |
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108 def CheckOtherOption(context, name): |
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109 context.Message('Checking is the ' + name + ' option set... ') |
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110 ret = env[name] |
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111 Define(context, 'HAVE_' + name, ret) |
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112 context.Result(ret) |
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113 return ret |
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114 |
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115 custom_tests = { \ |
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116 'CheckCustomOption' : CheckCustomOption, \ |
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117 'CheckFillorderOption' : CheckFillorderOption, \ |
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118 'CheckIEEEFPOption' : CheckIEEEFPOption, \ |
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119 'CheckOtherOption' : CheckOtherOption \ |
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120 } |
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121 conf = Configure(env, custom_tests = custom_tests, \ |
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122 config_h = 'libtiff/tif_config.h') |
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123 |
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124 # Check for standard library |
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125 conf.CheckLib('c') |
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126 if target_os != 'cygwin' \ |
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127 and target_os != 'mingw32' \ |
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128 and target_os != 'beos' \ |
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129 and target_os != 'darwin': |
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130 conf.CheckLib('m') |
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131 |
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132 # Check for system headers |
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133 conf.CheckCHeader('assert.h') |
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134 conf.CheckCHeader('fcntl.h') |
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135 conf.CheckCHeader('limits.h') |
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136 conf.CheckCHeader('malloc.h') |
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137 conf.CheckCHeader('search.h') |
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138 conf.CheckCHeader('sys/time.h') |
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139 conf.CheckCHeader('unistd.h') |
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140 |
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141 # Check for standard library functions |
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142 conf.CheckFunc('floor') |
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143 conf.CheckFunc('isascii') |
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144 conf.CheckFunc('memmove') |
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145 conf.CheckFunc('memset') |
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146 conf.CheckFunc('mmap') |
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147 conf.CheckFunc('pow') |
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148 conf.CheckFunc('sqrt') |
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149 conf.CheckFunc('strchr') |
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150 conf.CheckFunc('strrchr') |
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151 conf.CheckFunc('strstr') |
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152 conf.CheckFunc('strtol') |
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153 |
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154 conf.CheckFillorderOption() |
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155 conf.CheckIEEEFPOption() |
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156 conf.CheckCustomOption('ccitt') |
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157 conf.CheckCustomOption('packbits') |
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158 conf.CheckCustomOption('lzw') |
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159 conf.CheckCustomOption('thunder') |
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160 conf.CheckCustomOption('next') |
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161 conf.CheckCustomOption('logluv') |
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162 conf.CheckOtherOption('strip_chopping') |
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163 conf.CheckOtherOption('extrasample_as_alpha') |
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164 conf.CheckOtherOption('check_ycbcr_subsampling') |
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165 |
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166 env = conf.Finish() |
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167 |
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168 # Ok, now go to build files in the subdirectories |
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169 SConscript(dirs = [ 'libtiff' ], name = 'SConstruct') |