1 | #!../miniperl |
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2 | # Habit . . . |
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3 | # |
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4 | # Extract info from config.h, and add extra data here, to generate config.sh |
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5 | # Edit the static information after __END__ to reflect your site and options |
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6 | # that went into your perl binary. In addition, values which change from run |
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7 | # to run may be supplied on the command line as key=val pairs. |
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8 | # |
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9 | # Last Modified: 28-Jun-1996 Luther Huffman lutherh@stratcom.com |
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10 | # |
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11 | |
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12 | #==== Locations of installed Perl components |
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13 | $p9pvers="_P9P_VERSION"; |
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14 | $prefix=''; |
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15 | $p9p_objtype=$ENV{'objtype'}; |
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16 | $builddir="/sys/src/cmd/perl/$p9pvers"; |
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17 | $installbin="/$p9p_objtype/bin"; |
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18 | $installman1dir="/sys/man/1"; |
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19 | $installman3dir="/sys/man/2"; |
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20 | $installprivlib="/sys/lib/perl"; |
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21 | $installarchlib = "/$p9p_objtype/lib/perl/$p9pvers"; |
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22 | $archname="plan9_$p9p_objtype"; |
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23 | $installsitelib="$installprivlib/site_perl"; |
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24 | $installsitearch="$installarchlib/site_perl"; |
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25 | $installscript="/bin"; |
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26 | |
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27 | unshift(@INC,'lib'); # In case someone didn't define Perl_Root |
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28 | # before the build |
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29 | |
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30 | if ($ARGV[0] eq '-f') { |
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31 | open(ARGS,$ARGV[1]) or die "Can't read data from $ARGV[1]: $!\n"; |
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32 | @ARGV = (); |
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33 | while (<ARGS>) { |
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34 | push(@ARGV,split(/\|/,$_)); |
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35 | } |
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36 | close ARGS; |
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37 | } |
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38 | |
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39 | if (-f "config.h") { $infile = "config.h"; $outdir = "../"; } |
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40 | elsif (-f "plan9/config.h") { $infile = "plan9/config.h"; $outdir = "./"; } |
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41 | |
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42 | if ($infile) { print "Generating config.sh from $infile . . .\n"; } |
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43 | else { die <<EndOfGasp; |
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44 | Can't find config.h to read! |
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45 | Please run this script from the perl source directory or |
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46 | the plan9 subdirectory in the distribution. |
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47 | EndOfGasp |
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48 | } |
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49 | $outdir = ''; |
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50 | open(IN,"$infile") || die "Can't open $infile: $!\n"; |
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51 | open(OUT,">${outdir}config.sh") || die "Can't open ${outdir}config.sh: $!\n"; |
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52 | |
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53 | $time = localtime; |
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54 | $cf_by = $ENV{'user'}; |
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55 | ($vers = $]) =~ tr/./_/; |
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56 | |
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57 | # Plan 9 doesn't actually use version numbering. Following the original Unix |
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58 | # precedent of assigning a Unix edition number based on the edition number |
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59 | # of the manuals, I am referring to this as Plan 9, 1st edition. |
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60 | $osvers = '1'; |
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61 | |
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62 | print OUT <<EndOfIntro; |
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63 | # This file generated by genconfig.pl on a Plan 9 system. |
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64 | # Input obtained from: |
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65 | # $infile |
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66 | # $0 |
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67 | # Time: $time |
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68 | |
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69 | package='perl5' |
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70 | CONFIG='true' |
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71 | cf_time='$time' |
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72 | cf_by='$cf_by' |
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73 | ccdlflags='' |
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74 | cccdlflags='' |
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75 | libpth='$installprivlib' |
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76 | ld='pcc' |
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77 | lddlflags='' |
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78 | ranlib='' |
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79 | ar='ar' |
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80 | nroff='/bin/nroff' |
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81 | eunicefix=':' |
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82 | hint='none' |
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83 | hintfile='' |
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84 | intsize='4' |
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85 | longsize='4' |
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86 | shortsize='2' |
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87 | shrplib='define' |
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88 | usemymalloc='n' |
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89 | usevfork='true' |
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90 | useposix='true' |
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91 | spitshell='cat' |
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92 | dlsrc='dl_none.c' |
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93 | binexp='$installbin' |
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94 | man1ext='' |
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95 | man3ext='' |
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96 | arch='$archname' |
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97 | archname='$archname' |
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98 | osname='plan9' |
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99 | extensions='IO Socket Opcode Fcntl POSIX DynaLoader FileHandle' |
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100 | osvers='$osvers' |
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101 | sig_maxsig='19' |
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102 | sig_name='ZERO HUP INT QUIT ILL ABRT FPE KILL SEGV PIPE ALRM TERM USR1 USR2 CHLD CONT STOP TSTP TTIN TTOU' |
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103 | sig_num='0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19' |
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104 | sig_numsig='20' |
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105 | prefix='$prefix' |
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106 | builddir='$builddir' |
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107 | installbin='$installbin' |
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108 | installman1dir='$installman1dir' |
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109 | installman3dir='$installman3dir' |
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110 | installprivlib='$installprivlib' |
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111 | installarchlib='$installarchlib' |
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112 | installsitelib='$installsitelib' |
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113 | installsitearch='$installsitearch' |
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114 | installscript='$installscript' |
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115 | scriptdir='$installscript' |
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116 | scriptdirexp='$installscript' |
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117 | EndOfIntro |
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118 | |
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119 | # Plan 9 compiler stuff |
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120 | print OUT "cc='pcc'\n"; |
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121 | print OUT "d_attribut='undef'\n"; |
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122 | print OUT "d_socket='define'\n"; |
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123 | print OUT "d_sockpair='define'\n"; |
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124 | print OUT "d_sigsetjmp='define'\n"; |
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125 | print OUT "sigjmp_buf='sigjmp_buf'\n"; |
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126 | print OUT "sigsetjmp='sigsetjmp(buf,save_mask)'\n"; |
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127 | print OUT "siglongjmp='siglongjmp(buf,retval) '\n"; |
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128 | print OUT "exe_ext=''\n"; |
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129 | if ($p9p_objtype eq '386') { |
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130 | $objext = '.8'; |
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131 | $alignbytes = '4'; |
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132 | $cstflags = 2; |
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133 | } |
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134 | elsif ($p9p_objtype eq '68020') { |
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135 | $objext = '.2'; |
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136 | $alignbytes = '2'; |
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137 | $cstflags = 0; |
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138 | } |
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139 | elsif ($p9p_objtype eq 'mips') { |
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140 | $objext = '.v'; |
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141 | $alignbytes = '8'; |
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142 | $cstflags = 0; |
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143 | } |
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144 | elsif ($p9p_objtype eq 'sparc') { |
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145 | $objext = '.k'; |
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146 | $alignbytes = '4'; |
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147 | $cstflags = 0; |
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148 | } |
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149 | print OUT "obj_ext='$objext'\n"; |
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150 | print OUT "alignbytes='$alignbytes'\n"; |
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151 | print OUT "castflags='$cstflags'\n"; |
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152 | |
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153 | $myname = $ENV{'site'} ; |
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154 | ($myhostname,$mydomain) = split(/\./,$myname,2); |
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155 | print OUT "myhostname='$myhostname'\n" if $myhostname; |
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156 | if ($mydomain) { |
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157 | print OUT "mydomain='.$mydomain'\n"; |
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158 | print OUT "perladmin='$cf_by\@$myhostname.$mydomain'\n"; |
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159 | print OUT "cf_email='$cf_by\@$myhostname.$mydomain'\n"; |
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160 | } |
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161 | else { |
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162 | print OUT "perladmin='$cf_by'\n"; |
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163 | print OUT "cf_email='$cf_by'\n"; |
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164 | } |
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165 | print OUT "myuname='Plan9 $myname $osvers $p9p_objtype'\n"; |
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166 | |
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167 | # Before we read the C header file, find out what config.sh constants are |
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168 | # equivalent to the C preprocessor macros |
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169 | if (open(SH,"${outdir}config_h.SH")) { |
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170 | while (<SH>) { |
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171 | next unless m%^#(?!if).*\$%; |
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172 | s/^#//; s!(.*?)\s*/\*.*!$1!; |
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173 | my(@words) = split; |
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174 | $words[1] =~ s/\(.*//; # Clip off args from macro |
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175 | # Did we use a shell variable for the preprocessor directive? |
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176 | if ($words[0] =~ m!^\$(\w+)!) { $pp_vars{$words[1]} = $1; } |
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177 | if (@words > 2) { # We may also have a shell var in the value |
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178 | shift @words; # Discard preprocessor directive |
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179 | my($token) = shift @words; # and keep constant name |
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180 | my($word); |
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181 | foreach $word (@words) { |
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182 | next unless $word =~ m!\$(\w+)!; |
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183 | $val_vars{$token} = $1; |
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184 | last; |
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185 | } |
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186 | } |
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187 | } |
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188 | close SH; |
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189 | } |
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190 | else { warn "Couldn't read ${outfile}config_h.SH: $!\n"; } |
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191 | $pp_vars{PLAN9} = 'define'; #Plan 9 specific |
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192 | |
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193 | # OK, now read the C header file, and retcon statements into config.sh |
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194 | while (<IN>) { # roll through the comment header in config.h |
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195 | last if /config-start/; |
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196 | } |
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197 | |
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198 | while (<IN>) { |
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199 | chop; |
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200 | while (/\\\s*$/) { # pick up contination lines |
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201 | my $line = $_; |
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202 | $line =~ s/\\\s*$//; |
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203 | $_ = <IN>; |
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204 | s/^\s*//; |
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205 | $_ = $line . $_; |
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206 | } |
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207 | next unless my ($blocked,$un,$token,$val) = |
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208 | m%^(\/\*)?\s*\#\s*(un)?def\w*\s+([A-Za-z0-9]\w+)\S*\s*(.*)%; |
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209 | if (/config-skip/) { |
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210 | delete $pp_vars{$token} if exists $pp_vars{$token}; |
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211 | delete $val_vars{$token} if exists $val_vars{$token}; |
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212 | next; |
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213 | } |
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214 | $val =~ s!\s*/\*.*!!; # strip off trailing comment |
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215 | my($had_val); # Maybe a macro with args that we just #undefd or commented |
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216 | if (!length($val) and $val_vars{$token} and ($un || $blocked)) { |
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217 | print OUT "$val_vars{$token}=''\n"; |
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218 | delete $val_vars{$token}; |
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219 | $had_val = 1; |
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220 | } |
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221 | $state = ($blocked || $un) ? 'undef' : 'define'; |
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222 | if ($pp_vars{$token}) { |
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223 | print OUT "$pp_vars{$token}='$state'\n"; |
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224 | delete $pp_vars{$token}; |
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225 | } |
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226 | elsif (not length $val and not $had_val) { |
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227 | # Wups -- should have been shell var for C preprocessor directive |
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228 | warn "Constant $token not found in config_h.SH\n"; |
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229 | $token =~ tr/A-Z/a-z/; |
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230 | $token = "d_$token" unless $token =~ /^i_/; |
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231 | print OUT "$token='$state'\n"; |
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232 | } |
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233 | next unless length $val; |
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234 | $val =~ s/^"//; $val =~ s/"$//; # remove end quotes |
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235 | $val =~ s/","/ /g; # make signal list look nice |
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236 | |
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237 | if ($val_vars{$token}) { |
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238 | print OUT "$val_vars{$token}='$val'\n"; |
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239 | if ($val_vars{$token} =~ s/exp$//) {print OUT "$val_vars{$token}='$val'\n";} |
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240 | delete $val_vars{$token}; |
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241 | } |
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242 | elsif (!$pp_vars{$token}) { # Haven't seen it previously, either |
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243 | warn "Constant $token not found in config_h.SH (val=|$val|)\n"; |
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244 | $token =~ tr/A-Z/a-z/; |
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245 | print OUT "$token='$val'\n"; |
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246 | if ($token =~ s/exp$//) {print OUT "$token='$val'\n";} |
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247 | } |
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248 | } |
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249 | close IN; |
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250 | |
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251 | foreach (sort keys %pp_vars) { |
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252 | warn "Didn't see $_ in $infile\n"; |
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253 | } |
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254 | foreach (sort keys %val_vars) { |
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255 | warn "Didn't see $_ in $infile(val)\n"; |
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256 | } |
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257 | |
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258 | |
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259 | # print OUT "libs='",join(' ',@libs),"'\n"; |
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260 | # print OUT "libc='",join(' ',@crtls),"'\n"; |
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261 | |
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262 | if (open(PL,"${outdir}patchlevel.h")) { |
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263 | while (<PL>) { |
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264 | if (/^#define PATCHLEVEL\s+(\S+)/) { print OUT "PATCHLEVEL='$1'\n"; } |
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265 | elsif (/^#define SUBVERSION\s+(\S+)/) { print OUT "SUBVERSION='$1'\n"; } |
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266 | } |
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267 | close PL; |
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268 | } |
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269 | else { warn "Can't read ${outdir}patchlevel.h - skipping 'PATCHLEVEL'"; } |
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270 | |
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271 | print OUT "pager='/bin/p'\n"; |
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272 | |
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273 | close OUT; |
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274 | |
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275 | |
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