git.distorted.org.uk Git - u/mdw/putty/blob - mkfiles.pl

   1 #!/usr/bin/env perl
   2 #
   3 # Makefile generator for PuTTY.
   4 #
   5 # Reads the file `Recipe' to determine the list of generated
   6 # executables and their component objects. Then reads the source
   7 # files to compute #include dependencies. Finally, writes out the
   8 # various target Makefiles.
   9
  10 use FileHandle;
  11
  12 open IN, "Recipe" or die "unable to open Recipe file\n";
  13
  14 @incdirs = ("", "unix/");
  15
  16 $help = ""; # list of newline-free lines of help text
  17 %programs = (); # maps program name to listref of objects/resources
  18 %types = (); # maps program name to "G" or "C"
  19 %groups = (); # maps group name to listref of objects/resources
  20
  21 while (<IN>) {
  22   # Skip comments (unless the comments belong, for example because
  23   # they're part of the help text).
  24   next if /^\s*#/ and !$in_help;
  25
  26   chomp;
  27   split;
  28   if ($_[0] eq "!begin" and $_[1] eq "help") { $in_help = 1; next; }
  29   if ($_[0] eq "!end" and $in_help) { $in_help = 0; next; }
  30   # If we're gathering help text, keep doing so.
  31   if ($in_help) { $help .= "$_\n"; next; }
  32   # Ignore blank lines.
  33   next if scalar @_ == 0;
  34
  35   # Now we have an ordinary line. See if it's an = line, a : line
  36   # or a + line.
  37   @objs = @_;
  38
  39   if ($_[0] eq "+") {
  40     $listref = $lastlistref;
  41     $prog = undef;
  42     die "$.: unexpected + line\n" if !defined $lastlistref;
  43   } elsif ($_[1] eq "=") {
  44     $groups{$_[0]} = [] if !defined $groups{$_[0]};
  45     $listref = $groups{$_[0]};
  46     $prog = undef;
  47     shift @objs; # eat the group name
  48   } elsif ($_[1] eq ":") {
  49     $programs{$_[0]} = [] if !defined $programs{$_[0]};
  50     $listref = $programs{$_[0]};
  51     $prog = $_[0];
  52     shift @objs; # eat the program name
  53   } else {
  54     die "$.: unrecognised line type\n";
  55   }
  56   shift @objs; # eat the +, the = or the :
  57
  58   while (scalar @objs > 0) {
  59     $i = shift @objs;
  60     if ($groups{$i}) {
  61       foreach $j (@{$groups{$i}}) { unshift @objs, $j; }
  62     } elsif (($i eq "[G]" or $i eq "[C]" or $i eq "[X]") and defined $prog) {
  63       $types{$prog} = substr($i,1,1);
  64     } else {
  65       push @$listref, $i;
  66     }
  67   }
  68   $lastlistref = $listref;
  69 }
  70
  71 close IN;
  72
  73 # Now retrieve the complete list of objects and resource files, and
  74 # construct dependency data for them. While we're here, expand the
  75 # object list for each program, and complain if its type isn't set.
  76 @prognames = sort keys %programs;
  77 %depends = ();
  78 @scanlist = ();
  79 foreach $i (@prognames) {
  80   if (!defined $types{$i}) { die "type not set for program $i\n"; }
  81   # Strip duplicate object names.
  82   $prev = undef;
  83   @list = grep { $status = ($prev ne $_); $prev=$_; $status }
  84           sort @{$programs{$i}};
  85   $programs{$i} = [@list];
  86   foreach $j (@list) {
  87     # Dependencies for "x" start with "x.c".
  88     # Dependencies for "x.res" start with "x.rc".
  89     # Both types of file are pushed on the list of files to scan.
  90     # Libraries (.lib) don't have dependencies at all.
  91     if ($j =~ /^(.*)\.res$/) {
  92       $file = "$1.rc";
  93       $depends{$j} = [$file];
  94       push @scanlist, $file;
  95     } elsif ($j =~ /\.lib$/) {
  96       # libraries don't have dependencies
  97     } else {
  98       $file = "$j.c";
  99       $depends{$j} = [$file];
 100       push @scanlist, $file;
 101     }
 102   }
 103 }
 104
 105 # Scan each file on @scanlist and find further inclusions.
 106 # Inclusions are given by lines of the form `#include "otherfile"'
 107 # (system headers are automatically ignored by this because they'll
 108 # be given in angle brackets). Files included by this method are
 109 # added back on to @scanlist to be scanned in turn (if not already
 110 # done).
 111 #
 112 # Resource scripts (.rc) can also include a file by means of a line
 113 # ending `ICON "filename"'. Files included by this method are not
 114 # added to @scanlist because they can never include further files.
 115 #
 116 # In this pass we write out a hash %further which maps a source
 117 # file name into a listref containing further source file names.
 118
 119 %further = ();
 120 while (scalar @scanlist > 0) {
 121   $file = shift @scanlist;
 122   next if defined $further{$file}; # skip if we've already done it
 123   $resource = ($file =~ /\.rc$/ ? 1 : 0);
 124   $further{$file} = [];
 125   $dirfile = &findfile($file);
 126   open IN, "$dirfile" or die "unable to open source file $file\n";
 127   while (<IN>) {
 128     chomp;
 129     /^\s*#include\s+\"([^\"]+)\"/ and do {
 130       push @{$further{$file}}, $1;
 131       push @scanlist, $1;
 132       next;
 133     };
 134     /ICON\s+\"([^\"]+)\"\s*$/ and do {
 135       push @{$further{$file}}, $1;
 136       next;
 137     }
 138   }
 139   close IN;
 140 }
 141
 142 # Now we're ready to generate the final dependencies section. For
 143 # each key in %depends, we must expand the dependencies list by
 144 # iteratively adding entries from %further.
 145 foreach $i (keys %depends) {
 146   %dep = ();
 147   @scanlist = @{$depends{$i}};
 148   foreach $i (@scanlist) { $dep{$i} = 1; }
 149   while (scalar @scanlist > 0) {
 150     $file = shift @scanlist;
 151     foreach $j (@{$further{$file}}) {
 152       if ($dep{$j} != 1) {
 153         $dep{$j} = 1;
 154         push @{$depends{$i}}, $j;
 155         push @scanlist, $j;
 156       }
 157     }
 158   }
 159 #  printf "%s: %s\n", $i, join ' ',@{$depends{$i}};
 160 }
 161
 162 # Utility routines while writing out the Makefiles.
 163
 164 sub findfile {
 165   my ($name) = @_;
 166   my $dir, $i, $outdir = "";
 167   $i = 0;
 168   foreach $dir (@incdirs) {
 169     $outdir = $dir, $i++ if -f "$dir$name";
 170   }
 171   die "multiple instances of source file $name\n" if $i > 1;
 172   return "$outdir$name";
 173 }
 174
 175 sub objects {
 176   my ($prog, $otmpl, $rtmpl, $ltmpl, $prefix, $dirsep) = @_;
 177   my @ret;
 178   my ($i, $x, $y);
 179   @ret = ();
 180   foreach $i (@{$programs{$prog}}) {
 181     $x = "";
 182     if ($i =~ /^(.*)\.res/) {
 183       $y = $1;
 184       ($x = $rtmpl) =~ s/X/$y/;
 185     } elsif ($i =~ /^(.*)\.lib/) {
 186       $y = $1;
 187       ($x = $ltmpl) =~ s/X/$y/;
 188     } else {
 189       ($x = $otmpl) =~ s/X/$i/;
 190     }
 191     push @ret, $x if $x ne "";
 192   }
 193   return join " ", @ret;
 194 }
 195
 196 sub splitline {
 197   my ($line, $width) = @_;
 198   my ($result, $len);
 199   $len = (defined $width ? $width : 76);
 200   while (length $line > $len) {
 201     $line =~ /^(.{0,$len})\s(.*)$/ or $line =~ /^(.{$len,}?\s(.*)$/;
 202     $result .= $1 . " \\\n\t\t";
 203     $line = $2;
 204     $len = 60;
 205   }
 206   return $result . $line;
 207 }
 208
 209 sub deps {
 210   my ($otmpl, $rtmpl, $prefix, $dirsep) = @_;
 211   my ($i, $x, $y);
 212   my @deps;
 213   foreach $i (sort keys %depends) {
 214     if ($i =~ /^(.*)\.res/) {
 215       next if !defined $rtmpl;
 216       $y = $1;
 217       ($x = $rtmpl) =~ s/X/$y/;
 218     } else {
 219       ($x = $otmpl) =~ s/X/$i/;
 220     }
 221     @deps = @{$depends{$i}};
 222     @deps = map {
 223       $_ = &findfile($_);
 224       s/\//$dirsep/g;
 225       $_ = $prefix . $_;
 226     } @deps;
 227     print &splitline(sprintf "%s: %s", $x, join " ", @deps), "\n";
 228   }
 229 }
 230
 231 sub prognames {
 232   my ($types) = @_;
 233   my ($n);
 234   my @ret;
 235   @ret = ();
 236   foreach $n (@prognames) {
 237     push @ret, $n if index($types, $types{$n}) >= 0;
 238   }
 239   return @ret;
 240 }
 241
 242 # Now we're ready to output the actual Makefiles.
 243
 244 ##-- CygWin makefile
 245 open OUT, ">Makefile.cyg"; select OUT;
 246 print
 247 "# Makefile for PuTTY under cygwin.\n".
 248 "#\n# This file was created by `mkfiles.pl' from the `Recipe' file.\n".
 249 "# DO NOT EDIT THIS FILE DIRECTLY; edit Recipe or mkfiles.pl instead.\n";
 250 # gcc command line option is -D not /D
 251 ($_ = $help) =~ s/=\/D/=-D/gs;
 252 print $_;
 253 print
 254 "\n".
 255 "# You can define this path to point at your tools if you need to\n".
 256 "# TOOLPATH = c:\\cygwin\\bin\\ # or similar, if you're running Windows\n".
 257 "# TOOLPATH = /pkg/mingw32msvc/i386-mingw32msvc/bin/\n".
 258 "CC = \$(TOOLPATH)gcc\n".
 259 "RC = \$(TOOLPATH)windres\n".
 260 "# You may also need to tell windres where to find include files:\n".
 261 "# RCINC = --include-dir c:\\cygwin\\include\\\n".
 262 "\n".
 263 &splitline("CFLAGS = -mno-cygwin -Wall -O2 -D_WINDOWS -DDEBUG -DWIN32S_COMPAT".
 264   " -DNO_SECURITY -D_NO_OLDNAMES -DNO_MULTIMON -I.")."\n".
 265 "LDFLAGS = -mno-cygwin -s\n".
 266 &splitline("RCFLAGS = \$(RCINC) --define WIN32=1 --define _WIN32=1".
 267   " --define WINVER=0x0400 --define MINGW32_FIX=1")."\n".
 268 "\n".
 269 ".SUFFIXES:\n".
 270 "\n".
 271 "%.o: %.c\n".
 272 "\t\$(CC) \$(COMPAT) \$(FWHACK) \$(XFLAGS) \$(CFLAGS) -c \$<\n".
 273 "\n".
 274 "%.res.o: %.rc\n".
 275 "\t\$(RC) \$(FWHACK) \$(RCFL) \$(RCFLAGS) \$< \$\@\n".
 276 "\n";
 277 print &splitline("all:" . join "", map { " $_.exe" } &prognames("GC"));
 278 print "\n\n";
 279 foreach $p (&prognames("GC")) {
 280   $objstr = &objects($p, "X.o", "X.res.o", undef);
 281   print &splitline($p . ".exe: " . $objstr), "\n";
 282   my $mw = $types{$p} eq "G" ? " -mwindows" : "";
 283   $libstr = &objects($p, undef, undef, "-lX");
 284   print &splitline("\t\$(CC)" . $mw . " \$(LDFLAGS) -o \$@ " .
 285                    $objstr . " $libstr", 69), "\n\n";
 286 }
 287 &deps("X.o", "X.res.o", "", "/");
 288 print
 289 "\n".
 290 "version.o: FORCE;\n".
 291 "# Hack to force version.o to be rebuilt always\n".
 292 "FORCE:\n".
 293 "\t\$(CC) \$(COMPAT) \$(FWHACK) \$(XFLAGS) \$(CFLAGS) \$(VER) -c version.c\n".
 294 "clean:\n".
 295 "\trm -f *.o *.exe *.res.o\n".
 296 "\n";
 297 select STDOUT; close OUT;
 298
 299 ##-- Borland makefile
 300 %stdlibs = (  # Borland provides many Win32 API libraries intrinsically
 301   "advapi32" => 1,
 302   "comctl32" => 1,
 303   "comdlg32" => 1,
 304   "gdi32" => 1,
 305   "imm32" => 1,
 306   "shell32" => 1,
 307   "user32" => 1,
 308   "winmm" => 1,
 309   "winspool" => 1,
 310   "wsock32" => 1,
 311 );
 312 open OUT, ">Makefile.bor"; select OUT;
 313 print
 314 "# Makefile for PuTTY under Borland C.\n".
 315 "#\n# This file was created by `mkfiles.pl' from the `Recipe' file.\n".
 316 "# DO NOT EDIT THIS FILE DIRECTLY; edit Recipe or mkfiles.pl instead.\n";
 317 # bcc32 command line option is -D not /D
 318 ($_ = $help) =~ s/=\/D/=-D/gs;
 319 print $_;
 320 print
 321 "\n".
 322 "# If you rename this file to `Makefile', you should change this line,\n".
 323 "# so that the .rsp files still depend on the correct makefile.\n".
 324 "MAKEFILE = Makefile.bor\n".
 325 "\n".
 326 "# C compilation flags\n".
 327 "CFLAGS = -DWINVER=0x0401\n".
 328 "\n".
 329 "# Get include directory for resource compiler\n".
 330 "!if !\$d(BCB)\n".
 331 "BCB = \$(MAKEDIR)\\..\n".
 332 "!endif\n".
 333 "\n".
 334 ".c.obj:\n".
 335 &splitline("\tbcc32 -w-aus -w-ccc -w-par -w-pia \$(COMPAT) \$(FWHACK)".
 336   " \$(XFLAGS) \$(CFLAGS) /c \$*.c",69)."\n".
 337 ".rc.res:\n".
 338 &splitline("\tbrcc32 \$(FWHACK) \$(RCFL) -i \$(BCB)\\include -r".
 339   " -DNO_WINRESRC_H -DWIN32 -D_WIN32 -DWINVER=0x0401 \$*.rc",69)."\n".
 340 "\n";
 341 print &splitline("all:" . join "", map { " $_.exe" } &prognames("GC"));
 342 print "\n\n";
 343 foreach $p (&prognames("GC")) {
 344   $objstr = &objects($p, "X.obj", "X.res", undef);
 345   print &splitline("$p.exe: " . $objstr . " $p.rsp"), "\n";
 346   my $ap = ($types{$p} eq "G") ? "-aa" : "-ap";
 347   print "\tilink32 $ap -Gn -L\$(BCB)\\lib \@$p.rsp\n\n";
 348 }
 349 foreach $p (&prognames("GC")) {
 350   print $p, ".rsp: \$(MAKEFILE)\n";
 351   $objstr = &objects($p, "X.obj", undef, undef);
 352   @objlist = split " ", $objstr;
 353   @objlines = ("");
 354   foreach $i (@objlist) {
 355     if (length($objlines[$#objlines] . " $i") > 50) {
 356       push @objlines, "";
 357     }
 358     $objlines[$#objlines] .= " $i";
 359   }
 360   $c0w = ($types{$p} eq "G") ? "c0w32" : "c0x32";
 361   print "\techo $c0w + > $p.rsp\n";
 362   for ($i=0; $i<=$#objlines; $i++) {
 363     $plus = ($i < $#objlines ? " +" : "");
 364     print "\techo$objlines[$i]$plus >> $p.rsp\n";
 365   }
 366   print "\techo $p.exe >> $p.rsp\n";
 367   $objstr = &objects($p, "X.obj", "X.res", undef);
 368   @libs = split " ", &objects($p, undef, undef, "X");
 369   @libs = grep { !$stdlibs{$_} } @libs;
 370   unshift @libs, "cw32", "import32";
 371   $libstr = join ' ', @libs;
 372   print "\techo nul,$libstr, >> $p.rsp\n";
 373   print "\techo " . &objects($p, undef, "X.res", undef) . " >> $p.rsp\n";
 374   print "\n";
 375 }
 376 &deps("X.obj", "X.res", "", "\\");
 377 print
 378 "\n".
 379 "version.o: FORCE\n".
 380 "# Hack to force version.o to be rebuilt always\n".
 381 "FORCE:\n".
 382 "\tbcc32 \$(FWHACK) \$(VER) \$(CFLAGS) /c version.c\n\n".
 383 "clean:\n".
 384 "\t-del *.obj\n".
 385 "\t-del *.exe\n".
 386 "\t-del *.res\n".
 387 "\t-del *.pch\n".
 388 "\t-del *.aps\n".
 389 "\t-del *.il*\n".
 390 "\t-del *.pdb\n".
 391 "\t-del *.rsp\n".
 392 "\t-del *.tds\n".
 393 "\t-del *.\$\$\$\$\$\$\n";
 394 select STDOUT; close OUT;
 395
 396 ##-- Visual C++ makefile
 397 open OUT, ">Makefile.vc"; select OUT;
 398 print
 399 "# Makefile for PuTTY under Visual C.\n".
 400 "#\n# This file was created by `mkfiles.pl' from the `Recipe' file.\n".
 401 "# DO NOT EDIT THIS FILE DIRECTLY; edit Recipe or mkfiles.pl instead.\n";
 402 print $help;
 403 print
 404 "\n".
 405 "# If you rename this file to `Makefile', you should change this line,\n".
 406 "# so that the .rsp files still depend on the correct makefile.\n".
 407 "MAKEFILE = Makefile.vc\n".
 408 "\n".
 409 "# C compilation flags\n".
 410 "CFLAGS = /nologo /W3 /O1 /D_WINDOWS /D_WIN32_WINDOWS=0x401 /DWINVER=0x401\n".
 411 "LFLAGS = /incremental:no /fixed\n".
 412 "\n".
 413 ".c.obj:\n".
 414 "\tcl \$(COMPAT) \$(FWHACK) \$(XFLAGS) \$(CFLAGS) /c \$*.c\n".
 415 ".rc.res:\n".
 416 "\trc \$(FWHACK) \$(RCFL) -r -DWIN32 -D_WIN32 -DWINVER=0x0400 \$*.rc\n".
 417 "\n";
 418 print &splitline("all:" . join "", map { " $_.exe" } &prognames("GC"));
 419 print "\n\n";
 420 foreach $p (&prognames("GC")) {
 421   $objstr = &objects($p, "X.obj", "X.res", undef);
 422   print &splitline("$p.exe: " . $objstr . " $p.rsp"), "\n";
 423   print "\tlink \$(LFLAGS) -out:$p.exe -map:$p.map \@$p.rsp\n\n";
 424 }
 425 foreach $p (&prognames("GC")) {
 426   print $p, ".rsp: \$(MAKEFILE)\n";
 427   $objstr = &objects($p, "X.obj", "X.res", "X.lib");
 428   @objlist = split " ", $objstr;
 429   @objlines = ("");
 430   foreach $i (@objlist) {
 431     if (length($objlines[$#objlines] . " $i") > 50) {
 432       push @objlines, "";
 433     }
 434     $objlines[$#objlines] .= " $i";
 435   }
 436   $subsys = ($types{$p} eq "G") ? "windows" : "console";
 437   print "\techo /nologo /subsystem:$subsys > $p.rsp\n";
 438   for ($i=0; $i<=$#objlines; $i++) {
 439     print "\techo$objlines[$i] >> $p.rsp\n";
 440   }
 441   print "\n";
 442 }
 443 &deps("X.obj", "X.res", "", "\\");
 444 print
 445 "\n".
 446 "# Hack to force version.o to be rebuilt always\n".
 447 "version.obj: *.c *.h *.rc\n".
 448 "\tcl \$(FWHACK) \$(VER) \$(CFLAGS) /c version.c\n\n".
 449 "clean: tidy\n".
 450 "\t-del *.exe\n\n".
 451 "tidy:\n".
 452 "\t-del *.obj\n".
 453 "\t-del *.res\n".
 454 "\t-del *.pch\n".
 455 "\t-del *.aps\n".
 456 "\t-del *.ilk\n".
 457 "\t-del *.pdb\n".
 458 "\t-del *.rsp\n".
 459 "\t-del *.dsp\n".
 460 "\t-del *.dsw\n".
 461 "\t-del *.ncb\n".
 462 "\t-del *.opt\n".
 463 "\t-del *.plg\n".
 464 "\t-del *.map\n".
 465 "\t-del *.idb\n".
 466 "\t-del debug.log\n";
 467 select STDOUT; close OUT;
 468
 469 ##-- X/GTK/Unix makefile
 470 open OUT, ">unix/Makefile.gtk"; select OUT;
 471 print
 472 "# Makefile for PuTTY under X/GTK and Unix.\n".
 473 "#\n# This file was created by `mkfiles.pl' from the `Recipe' file.\n".
 474 "# DO NOT EDIT THIS FILE DIRECTLY; edit Recipe or mkfiles.pl instead.\n";
 475 # gcc command line option is -D not /D
 476 ($_ = $help) =~ s/=\/D/=-D/gs;
 477 print $_;
 478 print
 479 "\n".
 480 "# You can define this path to point at your tools if you need to\n".
 481 "# TOOLPATH = /opt/gcc/bin\n".
 482 "CC = \$(TOOLPATH)cc\n".
 483 "\n".
 484 &splitline("CFLAGS = -Wall -g -I. -I.. `gtk-config --cflags`")."\n".
 485 "LDFLAGS = `gtk-config --libs`\n".
 486 "\n".
 487 ".SUFFIXES:\n".
 488 "\n".
 489 "%.o:\n".
 490 "\t\$(CC) \$(COMPAT) \$(FWHACK) \$(XFLAGS) \$(CFLAGS) -c \$<\n".
 491 "\n";
 492 print &splitline("all:" . join "", map { " $_" } &prognames("X"));
 493 print "\n\n";
 494 foreach $p (&prognames("X")) {
 495   $objstr = &objects($p, "X.o", undef, undef);
 496   print &splitline($p . ": " . $objstr), "\n";
 497   $libstr = &objects($p, undef, undef, "-lX");
 498   print &splitline("\t\$(CC)" . $mw . " \$(LDFLAGS) -o \$@ " .
 499                    $objstr . " $libstr", 69), "\n\n";
 500 }
 501 &deps("X.o", undef, "../", "/");
 502 print
 503 "\n".
 504 "version.o: FORCE;\n".
 505 "# Hack to force version.o to be rebuilt always\n".
 506 "FORCE:\n".
 507 "\t\$(CC) \$(COMPAT) \$(FWHACK) \$(XFLAGS) \$(CFLAGS) \$(VER) -c version.c\n".
 508 "clean:\n".
 509 "\trm -f *.o". (join "", map { " $_" } &prognames("X")) . "\n".
 510 "\n";
 511 select STDOUT; close OUT;