1 | #!/usr/bin/perl |
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2 | |
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3 | # |
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4 | # Perl script to beautify and enhance RTEMS configure.in |
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5 | # |
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6 | # Reads from stdin and writes to stdout |
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7 | # |
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8 | # usage: |
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9 | # acpolish <configure.in >configure.in~ |
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10 | # mv configure.in~ configure.in |
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11 | # |
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12 | |
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13 | # $Id$ |
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14 | |
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15 | use strict ; |
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16 | |
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17 | my @vars = () ; |
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18 | my @buffer = () ; |
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19 | my %var_ ; |
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20 | |
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21 | # find relative up-path to VERSION |
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22 | my $rtems_cfg = &find_file(".","VERSION"); |
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23 | my $rtems_root = &find_root() ; |
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24 | $rtems_root =~ tr/\//\-/ ; |
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25 | my $rtems_name = "rtems" ; |
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26 | $rtems_name .= "-" . "$rtems_root" if (length($rtems_root) > 0 ) ; |
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27 | |
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28 | while ( <> ) |
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29 | { |
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30 | push @buffer, "$_" ; |
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31 | } |
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32 | |
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33 | { |
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34 | my @tbuf = () ; |
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35 | |
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36 | foreach ( @buffer ) |
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37 | { |
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38 | if ( /^#.*list.*Makefile.*$/o ) {} |
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39 | elsif ( /^dnl[\s]+check.*target.*cc.*$/o ) {} |
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40 | elsif ( /^[\s]*AC_CONFIG_AUX_DIR\(.*\)[\s]*$/o ) |
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41 | { |
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42 | push @tbuf, "AC_CONFIG_AUX_DIR($rtems_cfg)\n" ; |
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43 | } |
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44 | elsif ( /^[\s]*RTEMS_TOP\(.*\)[\s]*$/o ) |
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45 | { |
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46 | push @tbuf, "RTEMS_TOP($rtems_cfg)\n" ; |
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47 | } |
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48 | elsif ( /^[\s]*AM_INIT_AUTOMAKE\(.*\)[\s]*$/o ) |
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49 | { |
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50 | push @tbuf, "AM_INIT_AUTOMAKE($rtems_name,\$RTEMS_VERSION,no)\n" ; |
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51 | } |
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52 | elsif ( /^[\s]*AC_SUBST\(RTEMS_HAS_POSIX_API\)[\s]*$/o ) |
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53 | { |
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54 | #remove the line |
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55 | } |
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56 | elsif ( /^[\s]*AC_SUBST\(RTEMS_HAS_ITRON_API\)[\s]*$/o ) |
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57 | { |
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58 | #remove the line |
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59 | } |
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60 | elsif ( /^[\s]*AC_SUBST\(RTEMS_HAS_HWAPI\)[\s]*$/o ) |
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61 | { |
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62 | #remove the line |
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63 | } |
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64 | elsif ( /^[\s]*AC_SUBST\(RTEMS_USE_MACROS\)[\s]*$/o ) |
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65 | { |
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66 | #remove the line |
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67 | } |
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68 | elsif ( /^[\s]*AC_SUBST\(RTEMS_HAS_MULTIPROCESSING\)[\s]*$/o ) |
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69 | { |
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70 | #remove the line |
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71 | } |
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72 | elsif ( /^[\s]*AC_SUBST\(RTEMS_HAS_RDBG\)[\s]*$/o ) |
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73 | { |
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74 | #remove the line |
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75 | } |
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76 | elsif ( /^[\s\t]*AC_SUBST\(RTEMS_USE_OWN_PDIR\)[\s]*$/o ) |
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77 | { # obsolete option |
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78 | #remove the line |
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79 | } |
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80 | elsif ( /^[\s\t]*RTEMS_ENABLE_GMAKE_PRINT[ ]*$/o ) |
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81 | { # obsolete macro |
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82 | #remove the line |
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83 | } |
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84 | elsif ( /^[\s]*AC_SUBST\(RTEMS_HAS_NETWORKING\)[\s]*$/o ) |
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85 | { |
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86 | #remove the line |
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87 | } |
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88 | elsif ( /^[\s]*AC_SUBST\(RTEMS_LIBC_DIR\)[\s]*$/o ) |
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89 | { |
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90 | #remove the line |
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91 | } |
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92 | elsif ( /^[\s]*AC_SUBST\(PROJECT_ROOT\)[\s]*$/o ) |
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93 | { |
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94 | #remove the line |
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95 | } |
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96 | elsif ( /^[\s]*AC_SUBST\(RTEMS_GAS_CODE16\)[\s]*$/o ) |
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97 | { |
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98 | #remove the line |
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99 | } |
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100 | elsif ( /^[\s]*PROJECT_ROOT[\s]*=.*$/o ) |
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101 | { |
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102 | #remove the line |
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103 | } |
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104 | elsif ( /^[\s]*(RTEMS_ENABLE_LIBCDIR).*$/o ) |
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105 | { #remove the line |
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106 | &define_variable("$1",""); |
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107 | push @tbuf, "$_" ; |
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108 | } |
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109 | elsif ( /^[\s]*(RTEMS_PROG_CC_FOR_TARGET).*$/o ) |
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110 | { |
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111 | &define_variable("$1",""); |
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112 | push @tbuf, "$_" ; |
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113 | } |
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114 | elsif ( /^[\s]*(RTEMS_PROG_CXX_FOR_TARGET).*$/o ) |
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115 | { |
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116 | &define_variable("$1",""); |
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117 | push @tbuf, "$_" ; |
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118 | } |
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119 | else |
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120 | { |
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121 | push @tbuf, "$_" ; |
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122 | } |
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123 | } # foreach |
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124 | @buffer = @tbuf ; |
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125 | } |
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126 | |
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127 | { |
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128 | my @tbuf = () ; |
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129 | foreach ( @buffer ) |
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130 | { |
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131 | if ( /^[\s]*(RTEMS_ENABLE_LIBCDIR).*$/o ) |
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132 | { |
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133 | if ( ( not variable_seen( "RTEMS_PROG_CC_FOR_TARGET" ) ) |
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134 | and ( not variable_seen( "RTEMS_PROG_CXX_FOR_TARGET" ) ) |
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135 | ) |
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136 | { |
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137 | push @tbuf, "$_" ; |
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138 | } |
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139 | } |
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140 | elsif ( /^AC_OUTPUT.*$/o ) |
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141 | { |
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142 | push @tbuf, "# Explicitly list all Makefiles here\n" ; |
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143 | push @tbuf, "$_" ; |
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144 | } |
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145 | else |
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146 | { |
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147 | push @tbuf, "$_" ; |
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148 | } |
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149 | } |
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150 | @buffer = @tbuf ; |
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151 | } |
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152 | |
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153 | { ## pretty print |
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154 | my $out = join ('',@buffer) ; |
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155 | $out =~ s/\s\#\n(\#\n)+/\n/g ; |
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156 | $out =~ s/\n\n\#\n\n/\n/g ; |
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157 | $out =~ s/\n\n[\n]*/\n\n/g ; |
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158 | print $out ; |
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159 | } |
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160 | |
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161 | exit 1 ; |
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162 | |
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163 | # find a relative up-path to a file $file, starting at directory $pre |
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164 | sub find_file($$) |
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165 | { |
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166 | my $pre = $_[0] ; |
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167 | my $file= $_[1] ; |
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168 | |
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169 | my $top = "." ; |
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170 | if (not "$pre") { $pre = "." ; } |
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171 | |
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172 | for ( my $str = "$pre" . "/" . "$top" ; |
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173 | ( -d "$str" ) ; |
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174 | $str = "$pre" . "/" . "$top" ) |
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175 | { |
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176 | if ( -f "${str}/${file}" ) |
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177 | { |
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178 | return $top ; |
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179 | } |
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180 | if ( "$top" eq "." ) |
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181 | { |
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182 | $top = ".." ; |
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183 | } |
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184 | else |
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185 | { |
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186 | $top .= "/.." ; |
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187 | } |
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188 | } ; |
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189 | die "Can't find file ${file}\n" ; |
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190 | } |
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191 | |
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192 | sub find_root() |
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193 | { |
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194 | my $top_builddir = "." ; |
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195 | my $subdir=""; |
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196 | my $pwd = `pwd`; chomp $pwd; |
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197 | $pwd .= "/" ; |
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198 | my $len ; |
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199 | |
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200 | if ( -f "VERSION" ) { return $subdir ; } |
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201 | my $i = rindex($pwd,'/'); |
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202 | |
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203 | $len = $i; |
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204 | $pwd = substr($pwd,0,$len); |
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205 | $i = rindex($pwd,'/'); |
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206 | $subdir = substr($pwd,$i+1,$len - 1); |
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207 | $top_builddir = ".." ; |
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208 | |
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209 | while( -d "$top_builddir" ) |
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210 | { |
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211 | if ( -f "${top_builddir}/VERSION" ) |
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212 | { |
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213 | return $subdir ; |
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214 | } |
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215 | $len=$i; |
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216 | $pwd = substr($pwd,0,$len); |
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217 | $i = rindex($pwd,'/'); |
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218 | $subdir = substr($pwd,$i+1,$len - 1) . "/$subdir"; |
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219 | $top_builddir .= "/.." ; |
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220 | } ; |
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221 | die "Can't find VERSION\n" ; |
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222 | } |
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223 | |
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224 | sub variable_seen($) |
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225 | { |
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226 | my $label = "$_[0]" ; |
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227 | my $res = defined $var_{"$label"}; |
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228 | #print STDERR "SEEN: $label ->$res<\n" ; |
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229 | return $res ; |
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230 | } |
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231 | |
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232 | sub define_variable($$) |
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233 | { |
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234 | my ($label,@value) = @_ ; |
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235 | |
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236 | if ( not variable_seen("$label") ) |
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237 | { |
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238 | # print STDERR "DEFINING $label\n" ; |
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239 | push @vars, "$label" ; |
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240 | } |
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241 | |
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242 | foreach my $i ( @{value} ) |
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243 | { |
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244 | push @{$var_{"$label"}}, $i ; |
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245 | } |
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246 | } |
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247 | |
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