util/mk1mf.pl

   1 #!/usr/local/bin/perl
   2 # A bit of an evil hack but it post processes the file ../MINFO which
   3 # is generated by `make files` in the top directory.
   4 # This script outputs one mega makefile that has no shell stuff or any
   5 # funny stuff
   6 #
   7
   8 $INSTALLTOP="/usr/local/ssl";
   9 $OPTIONS="";
  10 $ssl_version="";
  11 $banner="\t\@echo Building OpenSSL";
  12
  13 my $no_static_engine = 1;
  14 my $engines = "";
  15 local $zlib_opt = 0;    # 0 = no zlib, 1 = static, 2 = dynamic
  16 local $zlib_lib = "";
  17
  18
  19 open(IN,"<Makefile") || die "unable to open Makefile!\n";
  20 while(<IN>) {
  21     $ssl_version=$1 if (/^VERSION=(.*)$/);
  22     $OPTIONS=$1 if (/^OPTIONS=(.*)$/);
  23     $INSTALLTOP=$1 if (/^INSTALLTOP=(.*$)/);
  24 }
  25 close(IN);
  26
  27 die "Makefile is not the toplevel Makefile!\n" if $ssl_version eq "";
  28
  29 $infile="MINFO";
  30
  31 %ops=(
  32         "VC-WIN32",   "Microsoft Visual C++ [4-6] - Windows NT or 9X",
  33         "VC-WIN64I",  "Microsoft C/C++ - Win64/IA-64",
  34         "VC-WIN64A",  "Microsoft C/C++ - Win64/x64",
  35         "VC-CE",   "Microsoft eMbedded Visual C++ 3.0 - Windows CE ONLY",
  36         "VC-NT",   "Microsoft Visual C++ [4-6] - Windows NT ONLY",
  37         "Mingw32", "GNU C++ - Windows NT or 9x",
  38         "Mingw32-files", "Create files with DOS copy ...",
  39         "BC-NT",   "Borland C++ 4.5 - Windows NT",
  40         "linux-elf","Linux elf",
  41         "ultrix-mips","DEC mips ultrix",
  42         "FreeBSD","FreeBSD distribution",
  43         "OS2-EMX", "EMX GCC OS/2",
  44         "netware-clib", "CodeWarrior for NetWare - CLib - with WinSock Sockets",
  45         "netware-libc", "CodeWarrior for NetWare - LibC - with WinSock Sockets",
  46         "netware-libc-bsdsock", "CodeWarrior for NetWare - LibC - with BSD Sockets",
  47         "default","cc under unix",
  48         );
  49
  50 $platform="";
  51 my $xcflags="";
  52 foreach (@ARGV)
  53         {
  54         if (!&read_options && !defined($ops{$_}))
  55                 {
  56                 print STDERR "unknown option - $_\n";
  57                 print STDERR "usage: perl mk1mf.pl [options] [system]\n";
  58                 print STDERR "\nwhere [system] can be one of the following\n";
  59                 foreach $i (sort keys %ops)
  60                 { printf STDERR "\t%-10s\t%s\n",$i,$ops{$i}; }
  61                 print STDERR <<"EOF";
  62 and [options] can be one of
  63         no-md2 no-md4 no-md5 no-sha no-mdc2     - Skip this digest
  64         no-ripemd
  65         no-rc2 no-rc4 no-rc5 no-idea no-des     - Skip this symetric cipher
  66         no-bf no-cast no-aes
  67         no-rsa no-dsa no-dh                     - Skip this public key cipher
  68         no-ssl2 no-ssl3                         - Skip this version of SSL
  69         just-ssl                                - remove all non-ssl keys/digest
  70         no-asm                                  - No x86 asm
  71         no-krb5                                 - No KRB5
  72         no-ec                                   - No EC
  73         no-ecdsa                                - No ECDSA
  74         no-ecdh                                 - No ECDH
  75         no-engine                               - No engine
  76         no-hw                                   - No hw
  77         nasm                                    - Use NASM for x86 asm
  78         nw-nasm                                 - Use NASM x86 asm for NetWare
  79         nw-mwasm                                        - Use Metrowerks x86 asm for NetWare
  80         gaswin                                  - Use GNU as with Mingw32
  81         no-socks                                - No socket code
  82         no-err                                  - No error strings
  83         dll/shlib                               - Build shared libraries (MS)
  84         debug                                   - Debug build
  85         profile                                 - Profiling build
  86         gcc                                     - Use Gcc (unix)
  87
  88 Values that can be set
  89 TMP=tmpdir OUT=outdir SRC=srcdir BIN=binpath INC=header-outdir CC=C-compiler
  90
  91 -L<ex_lib_path> -l<ex_lib>                      - extra library flags (unix)
  92 -<ex_cc_flags>                                  - extra 'cc' flags,
  93                                                   added (MS), or replace (unix)
  94 EOF
  95                 exit(1);
  96                 }
  97         $platform=$_;
  98         }
  99 foreach (grep(!/^$/, split(/ /, $OPTIONS)))
 100         {
 101         print STDERR "unknown option - $_\n" if !&read_options;
 102         }
 103
 104 $no_static_engine = 0 if (!$shlib);
 105
 106 $no_mdc2=1 if ($no_des);
 107
 108 $no_ssl3=1 if ($no_md5 || $no_sha);
 109 $no_ssl3=1 if ($no_rsa && $no_dh);
 110
 111 $no_ssl2=1 if ($no_md5);
 112 $no_ssl2=1 if ($no_rsa);
 113
 114 $out_def="out";
 115 $inc_def="outinc";
 116 $tmp_def="tmp";
 117
 118 $perl="perl" unless defined $perl;
 119 $mkdir="-mkdir" unless defined $mkdir;
 120
 121 ($ssl,$crypto)=("ssl","crypto");
 122 $ranlib="echo ranlib";
 123
 124 $cc=(defined($VARS{'CC'}))?$VARS{'CC'}:'cc';
 125 $src_dir=(defined($VARS{'SRC'}))?$VARS{'SRC'}:'.';
 126 $bin_dir=(defined($VARS{'BIN'}))?$VARS{'BIN'}:'';
 127
 128 # $bin_dir.=$o causes a core dump on my sparc :-(
 129
 130
 131 $NT=0;
 132
 133 push(@INC,"util/pl","pl");
 134 if (($platform =~ /VC-(.+)/))
 135         {
 136         $FLAVOR=$1;
 137         $NT = 1 if $1 eq "NT";
 138         require 'VC-32.pl';
 139         }
 140 elsif ($platform eq "Mingw32")
 141         {
 142         require 'Mingw32.pl';
 143         }
 144 elsif ($platform eq "Mingw32-files")
 145         {
 146         require 'Mingw32f.pl';
 147         }
 148 elsif ($platform eq "BC-NT")
 149         {
 150         $bc=1;
 151         require 'BC-32.pl';
 152         }
 153 elsif ($platform eq "FreeBSD")
 154         {
 155         require 'unix.pl';
 156         $cflags='-DTERMIO -D_ANSI_SOURCE -O2 -fomit-frame-pointer';
 157         }
 158 elsif ($platform eq "linux-elf")
 159         {
 160         require "unix.pl";
 161         require "linux.pl";
 162         $unix=1;
 163         }
 164 elsif ($platform eq "ultrix-mips")
 165         {
 166         require "unix.pl";
 167         require "ultrix.pl";
 168         $unix=1;
 169         }
 170 elsif ($platform eq "OS2-EMX")
 171         {
 172         $wc=1;
 173         require 'OS2-EMX.pl';
 174         }
 175 elsif (($platform eq "netware-clib") || ($platform eq "netware-libc") ||
 176        ($platform eq "netware-libc-bsdsock"))
 177         {
 178         $LIBC=1 if $platform eq "netware-libc" || $platform eq "netware-libc-bsdsock";
 179         $BSDSOCK=1 if $platform eq "netware-libc-bsdsock";
 180         require 'netware.pl';
 181         }
 182 else
 183         {
 184         require "unix.pl";
 185
 186         $unix=1;
 187         $cflags.=' -DTERMIO';
 188         }
 189
 190 $out_dir=(defined($VARS{'OUT'}))?$VARS{'OUT'}:$out_def.($debug?".dbg":"");
 191 $tmp_dir=(defined($VARS{'TMP'}))?$VARS{'TMP'}:$tmp_def.($debug?".dbg":"");
 192 $inc_dir=(defined($VARS{'INC'}))?$VARS{'INC'}:$inc_def;
 193
 194 $bin_dir=$bin_dir.$o unless ((substr($bin_dir,-1,1) eq $o) || ($bin_dir eq ''));
 195
 196 $cflags= "$xcflags$cflags" if $xcflags ne "";
 197
 198 $cflags.=" -DOPENSSL_NO_IDEA" if $no_idea;
 199 $cflags.=" -DOPENSSL_NO_AES"  if $no_aes;
 200 $cflags.=" -DOPENSSL_NO_RC2"  if $no_rc2;
 201 $cflags.=" -DOPENSSL_NO_RC4"  if $no_rc4;
 202 $cflags.=" -DOPENSSL_NO_RC5"  if $no_rc5;
 203 $cflags.=" -DOPENSSL_NO_MD2"  if $no_md2;
 204 $cflags.=" -DOPENSSL_NO_MD4"  if $no_md4;
 205 $cflags.=" -DOPENSSL_NO_MD5"  if $no_md5;
 206 $cflags.=" -DOPENSSL_NO_SHA"  if $no_sha;
 207 $cflags.=" -DOPENSSL_NO_SHA1" if $no_sha1;
 208 $cflags.=" -DOPENSSL_NO_RIPEMD" if $no_ripemd;
 209 $cflags.=" -DOPENSSL_NO_MDC2" if $no_mdc2;
 210 $cflags.=" -DOPENSSL_NO_BF"  if $no_bf;
 211 $cflags.=" -DOPENSSL_NO_CAST" if $no_cast;
 212 $cflags.=" -DOPENSSL_NO_DES"  if $no_des;
 213 $cflags.=" -DOPENSSL_NO_RSA"  if $no_rsa;
 214 $cflags.=" -DOPENSSL_NO_DSA"  if $no_dsa;
 215 $cflags.=" -DOPENSSL_NO_DH"   if $no_dh;
 216 $cflags.=" -DOPENSSL_NO_WHIRLPOOL"   if $no_whirlpool;
 217 $cflags.=" -DOPENSSL_NO_SOCK" if $no_sock;
 218 $cflags.=" -DOPENSSL_NO_SSL2" if $no_ssl2;
 219 $cflags.=" -DOPENSSL_NO_SSL3" if $no_ssl3;
 220 $cflags.=" -DOPENSSL_NO_ERR"  if $no_err;
 221 $cflags.=" -DOPENSSL_NO_KRB5" if $no_krb5;
 222 $cflags.=" -DOPENSSL_NO_EC"   if $no_ec;
 223 $cflags.=" -DOPENSSL_NO_ECDSA" if $no_ecdsa;
 224 $cflags.=" -DOPENSSL_NO_ECDH" if $no_ecdh;
 225 $cflags.=" -DOPENSSL_NO_ENGINE"   if $no_engine;
 226 $cflags.=" -DOPENSSL_NO_HW"   if $no_hw;
 227
 228 $cflags.= " -DZLIB" if $zlib_opt;
 229 $cflags.= " -DZLIB_SHARED" if $zlib_opt == 2;
 230
 231 if ($no_static_engine)
 232         {
 233         $cflags .= " -DOPENSSL_NO_STATIC_ENGINE";
 234         }
 235 else
 236         {
 237         $cflags .= " -DOPENSSL_NO_DYNAMIC_ENGINE";
 238         }
 239
 240 #$cflags.=" -DRSAref"  if $rsaref ne "";
 241
 242 ## if ($unix)
 243 ##      { $cflags="$c_flags" if ($c_flags ne ""); }
 244 ##else
 245         { $cflags="$c_flags$cflags" if ($c_flags ne ""); }
 246
 247 $ex_libs="$l_flags$ex_libs" if ($l_flags ne "");
 248
 249
 250 %shlib_ex_cflags=("SSL" => " -DOPENSSL_BUILD_SHLIBSSL",
 251                   "CRYPTO" => " -DOPENSSL_BUILD_SHLIBCRYPTO");
 252
 253 if ($msdos)
 254         {
 255         $banner ="\t\@echo Make sure you have run 'perl Configure $platform' in the\n";
 256         $banner.="\t\@echo top level directory, if you don't have perl, you will\n";
 257         $banner.="\t\@echo need to probably edit crypto/bn/bn.h, check the\n";
 258         $banner.="\t\@echo documentation for details.\n";
 259         }
 260
 261 # have to do this to allow $(CC) under unix
 262 $link="$bin_dir$link" if ($link !~ /^\$/);
 263
 264 $INSTALLTOP =~ s|/|$o|g;
 265
 266 #############################################
 267 # We parse in input file and 'store' info for later printing.
 268 open(IN,"<$infile") || die "unable to open $infile:$!\n";
 269 $_=<IN>;
 270 for (;;)
 271         {
 272         chop;
 273
 274         ($key,$val)=/^([^=]+)=(.*)/;
 275         if ($key eq "RELATIVE_DIRECTORY")
 276                 {
 277                 if ($lib ne "")
 278                         {
 279                         $uc=$lib;
 280                         $uc =~ s/^lib(.*)\.a/$1/;
 281                         $uc =~ tr/a-z/A-Z/;
 282                         $lib_nam{$uc}=$uc;
 283                         $lib_obj{$uc}.=$libobj." ";
 284                         }
 285                 last if ($val eq "FINISHED");
 286                 $lib="";
 287                 $libobj="";
 288                 $dir=$val;
 289                 }
 290
 291         if ($key eq "KRB5_INCLUDES")
 292                 { $cflags .= " $val";}
 293
 294         if ($key eq "ZLIB_INCLUDE")
 295                 { $cflags .= " $val" if $val ne "";}
 296
 297         if ($key eq "LIBZLIB")
 298                 { $zlib_lib = "$val" if $val ne "";}
 299
 300         if ($key eq "LIBKRB5")
 301                 { $ex_libs .= " $val" if $val ne "";}
 302
 303         if ($key eq "TEST")
 304                 { $test.=&var_add($dir,$val, 0); }
 305
 306         if (($key eq "PROGS") || ($key eq "E_OBJ"))
 307                 { $e_exe.=&var_add($dir,$val, 0); }
 308
 309         if ($key eq "LIB")
 310                 {
 311                 $lib=$val;
 312                 $lib =~ s/^.*\/([^\/]+)$/$1/;
 313                 }
 314
 315         if ($key eq "EXHEADER")
 316                 { $exheader.=&var_add($dir,$val, 1); }
 317
 318         if ($key eq "HEADER")
 319                 { $header.=&var_add($dir,$val, 1); }
 320
 321         if ($key eq "LIBOBJ" && ($dir ne "engines" || !$no_static_engine))
 322                 { $libobj=&var_add($dir,$val, 0); }
 323         if ($key eq "LIBNAMES" && $dir eq "engines" && $no_static_engine)
 324                 { $engines.=$val }
 325
 326         if (!($_=<IN>))
 327                 { $_="RELATIVE_DIRECTORY=FINISHED\n"; }
 328         }
 329 close(IN);
 330
 331 if ($shlib)
 332         {
 333         $extra_install= <<"EOF";
 334         \$(CP) \$(O_SSL) \$(INSTALLTOP)${o}bin
 335         \$(CP) \$(O_CRYPTO) \$(INSTALLTOP)${o}bin
 336         \$(CP) \$(L_SSL) \$(INSTALLTOP)${o}lib
 337         \$(CP) \$(L_CRYPTO) \$(INSTALLTOP)${o}lib
 338 EOF
 339         if ($no_static_engine)
 340                 {
 341                 $extra_install .= <<"EOF"
 342         \$(MKDIR) \$(INSTALLTOP)${o}lib${o}engines
 343         \$(CP) \$(E_SHLIB) \$(INSTALLTOP)${o}lib${o}engines
 344 EOF
 345                 }
 346         }
 347 else
 348         {
 349         $extra_install= <<"EOF";
 350         \$(CP) \$(O_SSL) \$(INSTALLTOP)${o}lib
 351         \$(CP) \$(O_CRYPTO) \$(INSTALLTOP)${o}lib
 352 EOF
 353         $ex_libs .= " $zlib_lib" if $zlib_opt == 1;
 354         }
 355
 356 $defs= <<"EOF";
 357 # This makefile has been automatically generated from the OpenSSL distribution.
 358 # This single makefile will build the complete OpenSSL distribution and
 359 # by default leave the 'intertesting' output files in .${o}out and the stuff
 360 # that needs deleting in .${o}tmp.
 361 # The file was generated by running 'make makefile.one', which
 362 # does a 'make files', which writes all the environment variables from all
 363 # the makefiles to the file call MINFO.  This file is used by
 364 # util${o}mk1mf.pl to generate makefile.one.
 365 # The 'makefile per directory' system suites me when developing this
 366 # library and also so I can 'distribute' indervidual library sections.
 367 # The one monster makefile better suits building in non-unix
 368 # environments.
 369
 370 EOF
 371
 372 $defs .= $preamble if defined $preamble;
 373
 374 $defs.= <<"EOF";
 375 INSTALLTOP=$INSTALLTOP
 376
 377 # Set your compiler options
 378 PLATFORM=$platform
 379 CC=$bin_dir${cc}
 380 CFLAG=$cflags
 381 APP_CFLAG=$app_cflag
 382 LIB_CFLAG=$lib_cflag
 383 SHLIB_CFLAG=$shl_cflag
 384 APP_EX_OBJ=$app_ex_obj
 385 SHLIB_EX_OBJ=$shlib_ex_obj
 386 # add extra libraries to this define, for solaris -lsocket -lnsl would
 387 # be added
 388 EX_LIBS=$ex_libs
 389
 390 # The OpenSSL directory
 391 SRC_D=$src_dir
 392
 393 LINK=$link
 394 LFLAGS=$lflags
 395 RSC=$rsc
 396
 397 BN_ASM_OBJ=$bn_asm_obj
 398 BN_ASM_SRC=$bn_asm_src
 399 BNCO_ASM_OBJ=$bnco_asm_obj
 400 BNCO_ASM_SRC=$bnco_asm_src
 401 DES_ENC_OBJ=$des_enc_obj
 402 DES_ENC_SRC=$des_enc_src
 403 BF_ENC_OBJ=$bf_enc_obj
 404 BF_ENC_SRC=$bf_enc_src
 405 CAST_ENC_OBJ=$cast_enc_obj
 406 CAST_ENC_SRC=$cast_enc_src
 407 RC4_ENC_OBJ=$rc4_enc_obj
 408 RC4_ENC_SRC=$rc4_enc_src
 409 RC5_ENC_OBJ=$rc5_enc_obj
 410 RC5_ENC_SRC=$rc5_enc_src
 411 MD5_ASM_OBJ=$md5_asm_obj
 412 MD5_ASM_SRC=$md5_asm_src
 413 SHA1_ASM_OBJ=$sha1_asm_obj
 414 SHA1_ASM_SRC=$sha1_asm_src
 415 RMD160_ASM_OBJ=$rmd160_asm_obj
 416 RMD160_ASM_SRC=$rmd160_asm_src
 417 WHIRLPOOL_ASM_OBJ=$whirlpool_asm_obj
 418 WHIRLPOOL_ASM_SRC=$whirlpool_asm_src
 419 CPUID_ASM_OBJ=$cpuid_asm_obj
 420 CPUID_ASM_SRC=$cpuid_asm_src
 421
 422 # The output directory for everything intersting
 423 OUT_D=$out_dir
 424 # The output directory for all the temporary muck
 425 TMP_D=$tmp_dir
 426 # The output directory for the header files
 427 INC_D=$inc_dir
 428 INCO_D=$inc_dir${o}openssl
 429
 430 PERL=$perl
 431 CP=$cp
 432 RM=$rm
 433 RANLIB=$ranlib
 434 MKDIR=$mkdir
 435 MKLIB=$bin_dir$mklib
 436 MLFLAGS=$mlflags
 437 ASM=$bin_dir$asm
 438
 439 ######################################################
 440 # You should not need to touch anything below this point
 441 ######################################################
 442
 443 E_EXE=openssl
 444 SSL=$ssl
 445 CRYPTO=$crypto
 446
 447 # BIN_D  - Binary output directory
 448 # TEST_D - Binary test file output directory
 449 # LIB_D  - library output directory
 450 # ENG_D  - dynamic engine output directory
 451 # Note: if you change these point to different directories then uncomment out
 452 # the lines around the 'NB' comment below.
 453 #
 454 BIN_D=\$(OUT_D)
 455 TEST_D=\$(OUT_D)
 456 LIB_D=\$(OUT_D)
 457 ENG_D=\$(OUT_D)
 458
 459 # INCL_D - local library directory
 460 # OBJ_D  - temp object file directory
 461 OBJ_D=\$(TMP_D)
 462 INCL_D=\$(TMP_D)
 463
 464 O_SSL=     \$(LIB_D)$o$plib\$(SSL)$shlibp
 465 O_CRYPTO=  \$(LIB_D)$o$plib\$(CRYPTO)$shlibp
 466 SO_SSL=    $plib\$(SSL)$so_shlibp
 467 SO_CRYPTO= $plib\$(CRYPTO)$so_shlibp
 468 L_SSL=     \$(LIB_D)$o$plib\$(SSL)$libp
 469 L_CRYPTO=  \$(LIB_D)$o$plib\$(CRYPTO)$libp
 470
 471 L_LIBS= \$(L_SSL) \$(L_CRYPTO)
 472
 473 ######################################################
 474 # Don't touch anything below this point
 475 ######################################################
 476
 477 INC=-I\$(INC_D) -I\$(INCL_D)
 478 APP_CFLAGS=\$(INC) \$(CFLAG) \$(APP_CFLAG)
 479 LIB_CFLAGS=\$(INC) \$(CFLAG) \$(LIB_CFLAG)
 480 SHLIB_CFLAGS=\$(INC) \$(CFLAG) \$(LIB_CFLAG) \$(SHLIB_CFLAG)
 481 LIBS_DEP=\$(O_CRYPTO) \$(O_SSL)
 482
 483 #############################################
 484 EOF
 485
 486 $rules=<<"EOF";
 487 all: banner \$(TMP_D) \$(BIN_D) \$(TEST_D) \$(LIB_D) \$(INCO_D) headers lib exe
 488
 489 banner:
 490 $banner
 491
 492 \$(TMP_D):
 493         \$(MKDIR) \$(TMP_D)
 494 # NB: uncomment out these lines if BIN_D, TEST_D and LIB_D are different
 495 #\$(BIN_D):
 496 #       \$(MKDIR) \$(BIN_D)
 497 #
 498 #\$(TEST_D):
 499 #       \$(MKDIR) \$(TEST_D)
 500
 501 \$(LIB_D):
 502         \$(MKDIR) \$(LIB_D)
 503
 504 \$(INCO_D): \$(INC_D)
 505         \$(MKDIR) \$(INCO_D)
 506
 507 \$(INC_D):
 508         \$(MKDIR) \$(INC_D)
 509
 510 headers: \$(HEADER) \$(EXHEADER)
 511         @
 512
 513 lib: \$(LIBS_DEP) \$(E_SHLIB)
 514
 515 exe: \$(T_EXE) \$(BIN_D)$o\$(E_EXE)$exep
 516
 517 install: all
 518         \$(MKDIR) \$(INSTALLTOP)
 519         \$(MKDIR) \$(INSTALLTOP)${o}bin
 520         \$(MKDIR) \$(INSTALLTOP)${o}include
 521         \$(MKDIR) \$(INSTALLTOP)${o}include${o}openssl
 522         \$(MKDIR) \$(INSTALLTOP)${o}lib
 523         \$(CP) \$(INCO_D)${o}*.\[ch\] \$(INSTALLTOP)${o}include${o}openssl
 524         \$(CP) \$(BIN_D)$o\$(E_EXE)$exep \$(INSTALLTOP)${o}bin
 525         \$(CP) apps${o}openssl.cnf \$(INSTALLTOP)
 526 $extra_install
 527
 528
 529 test: \$(T_EXE)
 530         cd \$(BIN_D)
 531         ..${o}ms${o}test
 532
 533 clean:
 534         \$(RM) \$(TMP_D)$o*.*
 535
 536 vclean:
 537         \$(RM) \$(TMP_D)$o*.*
 538         \$(RM) \$(OUT_D)$o*.*
 539
 540 EOF
 541
 542 my $platform_cpp_symbol = "MK1MF_PLATFORM_$platform";
 543 $platform_cpp_symbol =~ s/-/_/g;
 544 if (open(IN,"crypto/buildinf.h"))
 545         {
 546         # Remove entry for this platform in existing file buildinf.h.
 547
 548         my $old_buildinf_h = "";
 549         while (<IN>)
 550                 {
 551                 if (/^\#ifdef $platform_cpp_symbol$/)
 552                         {
 553                         while (<IN>) { last if (/^\#endif/); }
 554                         }
 555                 else
 556                         {
 557                         $old_buildinf_h .= $_;
 558                         }
 559                 }
 560         close(IN);
 561
 562         open(OUT,">crypto/buildinf.h") || die "Can't open buildinf.h";
 563         print OUT $old_buildinf_h;
 564         close(OUT);
 565         }
 566
 567 open (OUT,">>crypto/buildinf.h") || die "Can't open buildinf.h";
 568 printf OUT <<EOF;
 569 #ifdef $platform_cpp_symbol
 570   /* auto-generated/updated by util/mk1mf.pl for crypto/cversion.c */
 571   #define CFLAGS "$cc $cflags"
 572   #define PLATFORM "$platform"
 573 EOF
 574 printf OUT "  #define DATE \"%s\"\n", scalar gmtime();
 575 printf OUT "#endif\n";
 576 close(OUT);
 577
 578 # Strip of trailing ' '
 579 foreach (keys %lib_obj) { $lib_obj{$_}=&clean_up_ws($lib_obj{$_}); }
 580 $test=&clean_up_ws($test);
 581 $e_exe=&clean_up_ws($e_exe);
 582 $exheader=&clean_up_ws($exheader);
 583 $header=&clean_up_ws($header);
 584
 585 # First we strip the exheaders from the headers list
 586 foreach (split(/\s+/,$exheader)){ $h{$_}=1; }
 587 foreach (split(/\s+/,$header))  { $h.=$_." " unless $h{$_}; }
 588 chop($h); $header=$h;
 589
 590 $defs.=&do_defs("HEADER",$header,"\$(INCL_D)","");
 591 $rules.=&do_copy_rule("\$(INCL_D)",$header,"");
 592
 593 $defs.=&do_defs("EXHEADER",$exheader,"\$(INCO_D)","");
 594 $rules.=&do_copy_rule("\$(INCO_D)",$exheader,"");
 595
 596 $defs.=&do_defs("T_OBJ",$test,"\$(OBJ_D)",$obj);
 597 $rules.=&do_compile_rule("\$(OBJ_D)",$test,"\$(APP_CFLAGS)");
 598
 599 $defs.=&do_defs("E_OBJ",$e_exe,"\$(OBJ_D)",$obj);
 600 $rules.=&do_compile_rule("\$(OBJ_D)",$e_exe,'-DMONOLITH $(APP_CFLAGS)');
 601
 602 foreach (values %lib_nam)
 603         {
 604         $lib_obj=$lib_obj{$_};
 605         local($slib)=$shlib;
 606
 607         if (($_ eq "SSL") && $no_ssl2 && $no_ssl3)
 608                 {
 609                 $rules.="\$(O_SSL):\n\n";
 610                 next;
 611                 }
 612
 613         if (($bn_asm_obj ne "") && ($_ eq "CRYPTO"))
 614                 {
 615                 $lib_obj =~ s/\s\S*\/bn_asm\S*/ \$(BN_ASM_OBJ)/;
 616                 $rules.=&do_asm_rule($bn_asm_obj,$bn_asm_src);
 617                 }
 618         if (($bnco_asm_obj ne "") && ($_ eq "CRYPTO"))
 619                 {
 620                 $lib_obj .= "\$(BNCO_ASM_OBJ)";
 621                 $rules.=&do_asm_rule($bnco_asm_obj,$bnco_asm_src);
 622                 }
 623         if (($des_enc_obj ne "") && ($_ eq "CRYPTO"))
 624                 {
 625                 $lib_obj =~ s/\s\S*des_enc\S*/ \$(DES_ENC_OBJ)/;
 626                 $lib_obj =~ s/\s\S*\/fcrypt_b\S*\s*/ /;
 627                 $rules.=&do_asm_rule($des_enc_obj,$des_enc_src);
 628                 }
 629         if (($bf_enc_obj ne "") && ($_ eq "CRYPTO"))
 630                 {
 631                 $lib_obj =~ s/\s\S*\/bf_enc\S*/ \$(BF_ENC_OBJ)/;
 632                 $rules.=&do_asm_rule($bf_enc_obj,$bf_enc_src);
 633                 }
 634         if (($cast_enc_obj ne "") && ($_ eq "CRYPTO"))
 635                 {
 636                 $lib_obj =~ s/(\s\S*\/c_enc\S*)/ \$(CAST_ENC_OBJ)/;
 637                 $rules.=&do_asm_rule($cast_enc_obj,$cast_enc_src);
 638                 }
 639         if (($rc4_enc_obj ne "") && ($_ eq "CRYPTO"))
 640                 {
 641                 $lib_obj =~ s/\s\S*\/rc4_enc\S*/ \$(RC4_ENC_OBJ)/;
 642                 $rules.=&do_asm_rule($rc4_enc_obj,$rc4_enc_src);
 643                 }
 644         if (($rc5_enc_obj ne "") && ($_ eq "CRYPTO"))
 645                 {
 646                 $lib_obj =~ s/\s\S*\/rc5_enc\S*/ \$(RC5_ENC_OBJ)/;
 647                 $rules.=&do_asm_rule($rc5_enc_obj,$rc5_enc_src);
 648                 }
 649         if (($md5_asm_obj ne "") && ($_ eq "CRYPTO"))
 650                 {
 651                 $lib_obj =~ s/\s(\S*\/md5_dgst\S*)/ $1 \$(MD5_ASM_OBJ)/;
 652                 $rules.=&do_asm_rule($md5_asm_obj,$md5_asm_src);
 653                 }
 654         if (($sha1_asm_obj ne "") && ($_ eq "CRYPTO"))
 655                 {
 656                 $lib_obj =~ s/\s(\S*\/sha1dgst\S*)/ $1 \$(SHA1_ASM_OBJ)/;
 657                 $rules.=&do_asm_rule($sha1_asm_obj,$sha1_asm_src);
 658                 }
 659         if (($rmd160_asm_obj ne "") && ($_ eq "CRYPTO"))
 660                 {
 661                 $lib_obj =~ s/\s(\S*\/rmd_dgst\S*)/ $1 \$(RMD160_ASM_OBJ)/;
 662                 $rules.=&do_asm_rule($rmd160_asm_obj,$rmd160_asm_src);
 663                 }
 664         if (($whirlpool_asm_obj ne "") && ($_ eq "CRYPTO"))
 665                 {
 666                 $lib_obj =~ s/\s(\S*\/wp_dgst\S*)/ $1 \$(WHIRLPOOL_ASM_OBJ)/;
 667                 $rules.=&do_asm_rule($whirlpool_asm_obj,$whirlpool_asm_src);
 668                 }
 669         if (($cpuid_asm_obj ne "") && ($_ eq "CRYPTO"))
 670                 {
 671                 $lib_obj =~ s/\s(\S*\/cversion\S*)/ $1 \$(CPUID_ASM_OBJ)/;
 672                 $rules.=&do_asm_rule($cpuid_asm_obj,$cpuid_asm_src);
 673                 }
 674         $defs.=&do_defs(${_}."OBJ",$lib_obj,"\$(OBJ_D)",$obj);
 675         $lib=($slib)?" \$(SHLIB_CFLAGS)".$shlib_ex_cflags{$_}:" \$(LIB_CFLAGS)";
 676         $rules.=&do_compile_rule("\$(OBJ_D)",$lib_obj{$_},$lib);
 677         }
 678
 679 # hack to add version info on MSVC
 680 if (($platform eq "VC-WIN32") || ($platform eq "VC-NT")) {
 681     $rules.= <<"EOF";
 682 \$(OBJ_D)\\\$(CRYPTO).res: ms\\version32.rc
 683         \$(RSC) /fo"\$(OBJ_D)\\\$(CRYPTO).res" /d CRYPTO ms\\version32.rc
 684
 685 \$(OBJ_D)\\\$(SSL).res: ms\\version32.rc
 686         \$(RSC) /fo"\$(OBJ_D)\\\$(SSL).res" /d SSL ms\\version32.rc
 687
 688 EOF
 689 }
 690
 691 $defs.=&do_defs("T_EXE",$test,"\$(TEST_D)",$exep);
 692 foreach (split(/\s+/,$test))
 693         {
 694         $t=&bname($_);
 695         $tt="\$(OBJ_D)${o}$t${obj}";
 696         $rules.=&do_link_rule("\$(TEST_D)$o$t$exep",$tt,"\$(LIBS_DEP)","\$(L_LIBS) \$(EX_LIBS)");
 697         }
 698
 699 $defs.=&do_defs("E_SHLIB",$engines,"\$(ENG_D)",$shlibp);
 700
 701 foreach (split(/\s+/,$engines))
 702         {
 703         $rules.=&do_compile_rule("\$(OBJ_D)","engines${o}e_$_",$lib);
 704         $rules.= &do_lib_rule("\$(OBJ_D)${o}e_${_}.obj","\$(ENG_D)$o$_$shlibp","",$shlib,"");
 705         }
 706
 707
 708
 709 $rules.= &do_lib_rule("\$(SSLOBJ)","\$(O_SSL)",$ssl,$shlib,"\$(SO_SSL)");
 710 $rules.= &do_lib_rule("\$(CRYPTOOBJ)","\$(O_CRYPTO)",$crypto,$shlib,"\$(SO_CRYPTO)");
 711
 712 $rules.=&do_link_rule("\$(BIN_D)$o\$(E_EXE)$exep","\$(E_OBJ)","\$(LIBS_DEP)","\$(L_LIBS) \$(EX_LIBS)");
 713
 714 print $defs;
 715
 716 if ($platform eq "linux-elf") {
 717     print <<"EOF";
 718 # Generate perlasm output files
 719 %.cpp:
 720         (cd \$(\@D)/..; PERL=perl make -f Makefile asm/\$(\@F))
 721 EOF
 722 }
 723 print "###################################################################\n";
 724 print $rules;
 725
 726 ###############################################
 727 # strip off any trailing .[och] and append the relative directory
 728 # also remembering to do nothing if we are in one of the dropped
 729 # directories
 730 sub var_add
 731         {
 732         local($dir,$val,$keepext)=@_;
 733         local(@a,$_,$ret);
 734
 735         return("") if $no_engine && $dir =~ /\/engine/;
 736         return("") if $no_hw   && $dir =~ /\/hw/;
 737         return("") if $no_idea && $dir =~ /\/idea/;
 738         return("") if $no_aes  && $dir =~ /\/aes/;
 739         return("") if $no_rc2  && $dir =~ /\/rc2/;
 740         return("") if $no_rc4  && $dir =~ /\/rc4/;
 741         return("") if $no_rc5  && $dir =~ /\/rc5/;
 742         return("") if $no_rsa  && $dir =~ /\/rsa/;
 743         return("") if $no_rsa  && $dir =~ /^rsaref/;
 744         return("") if $no_dsa  && $dir =~ /\/dsa/;
 745         return("") if $no_dh   && $dir =~ /\/dh/;
 746         return("") if $no_ec   && $dir =~ /\/ec/;
 747         if ($no_des && $dir =~ /\/des/)
 748                 {
 749                 if ($val =~ /read_pwd/)
 750                         { return("$dir/read_pwd "); }
 751                 else
 752                         { return(""); }
 753                 }
 754         return("") if $no_mdc2 && $dir =~ /\/mdc2/;
 755         return("") if $no_sock && $dir =~ /\/proxy/;
 756         return("") if $no_bf   && $dir =~ /\/bf/;
 757         return("") if $no_cast && $dir =~ /\/cast/;
 758         return("") if $no_whirlpool && $dir =~ /\/whrlpool/;
 759
 760         $val =~ s/^\s*(.*)\s*$/$1/;
 761         @a=split(/\s+/,$val);
 762         grep(s/\.[och]$//,@a) unless $keepext;
 763
 764         @a=grep(!/^e_.*_3d$/,@a) if $no_des;
 765         @a=grep(!/^e_.*_d$/,@a) if $no_des;
 766         @a=grep(!/^e_.*_ae$/,@a) if $no_idea;
 767         @a=grep(!/^e_.*_i$/,@a) if $no_aes;
 768         @a=grep(!/^e_.*_r2$/,@a) if $no_rc2;
 769         @a=grep(!/^e_.*_r5$/,@a) if $no_rc5;
 770         @a=grep(!/^e_.*_bf$/,@a) if $no_bf;
 771         @a=grep(!/^e_.*_c$/,@a) if $no_cast;
 772         @a=grep(!/^e_rc4$/,@a) if $no_rc4;
 773
 774         @a=grep(!/(^s2_)|(^s23_)/,@a) if $no_ssl2;
 775         @a=grep(!/(^s3_)|(^s23_)/,@a) if $no_ssl3;
 776
 777         @a=grep(!/(_sock$)|(_acpt$)|(_conn$)|(^pxy_)/,@a) if $no_sock;
 778
 779         @a=grep(!/(^md2)|(_md2$)/,@a) if $no_md2;
 780         @a=grep(!/(^md4)|(_md4$)/,@a) if $no_md4;
 781         @a=grep(!/(^md5)|(_md5$)/,@a) if $no_md5;
 782         @a=grep(!/(rmd)|(ripemd)/,@a) if $no_ripemd;
 783
 784         @a=grep(!/(^d2i_r_)|(^i2d_r_)/,@a) if $no_rsa;
 785         @a=grep(!/(^p_open$)|(^p_seal$)/,@a) if $no_rsa;
 786         @a=grep(!/(^pem_seal$)/,@a) if $no_rsa;
 787
 788         @a=grep(!/(m_dss$)|(m_dss1$)/,@a) if $no_dsa;
 789         @a=grep(!/(^d2i_s_)|(^i2d_s_)|(_dsap$)/,@a) if $no_dsa;
 790
 791         @a=grep(!/^n_pkey$/,@a) if $no_rsa || $no_rc4;
 792
 793         @a=grep(!/_dhp$/,@a) if $no_dh;
 794
 795         @a=grep(!/(^sha[^1])|(_sha$)|(m_dss$)/,@a) if $no_sha;
 796         @a=grep(!/(^sha1)|(_sha1$)|(m_dss1$)/,@a) if $no_sha1;
 797         @a=grep(!/_mdc2$/,@a) if $no_mdc2;
 798
 799         @a=grep(!/^engine$/,@a) if $no_engine;
 800         @a=grep(!/^hw$/,@a) if $no_hw;
 801         @a=grep(!/(^rsa$)|(^genrsa$)/,@a) if $no_rsa;
 802         @a=grep(!/(^dsa$)|(^gendsa$)|(^dsaparam$)/,@a) if $no_dsa;
 803         @a=grep(!/^gendsa$/,@a) if $no_sha1;
 804         @a=grep(!/(^dh$)|(^gendh$)/,@a) if $no_dh;
 805
 806         @a=grep(!/(^dh)|(_sha1$)|(m_dss1$)/,@a) if $no_sha1;
 807
 808         grep($_="$dir/$_",@a);
 809         @a=grep(!/(^|\/)s_/,@a) if $no_sock;
 810         @a=grep(!/(^|\/)bio_sock/,@a) if $no_sock;
 811         $ret=join(' ',@a)." ";
 812         return($ret);
 813         }
 814
 815 # change things so that each 'token' is only separated by one space
 816 sub clean_up_ws
 817         {
 818         local($w)=@_;
 819
 820         $w =~ s/^\s*(.*)\s*$/$1/;
 821         $w =~ s/\s+/ /g;
 822         return($w);
 823         }
 824
 825 sub do_defs
 826         {
 827         local($var,$files,$location,$postfix)=@_;
 828         local($_,$ret,$pf);
 829         local(*OUT,$tmp,$t);
 830
 831         $files =~ s/\//$o/g if $o ne '/';
 832         $ret="$var=";
 833         $n=1;
 834         $Vars{$var}.="";
 835         foreach (split(/ /,$files))
 836                 {
 837                 $orig=$_;
 838                 $_=&bname($_) unless /^\$/;
 839                 if ($n++ == 2)
 840                         {
 841                         $n=0;
 842                         $ret.="\\\n\t";
 843                         }
 844                 if (($_ =~ /bss_file/) && ($postfix eq ".h"))
 845                         { $pf=".c"; }
 846                 else    { $pf=$postfix; }
 847                 if ($_ =~ /BN_ASM/)     { $t="$_ "; }
 848                 elsif ($_ =~ /BNCO_ASM/){ $t="$_ "; }
 849                 elsif ($_ =~ /DES_ENC/) { $t="$_ "; }
 850                 elsif ($_ =~ /BF_ENC/)  { $t="$_ "; }
 851                 elsif ($_ =~ /CAST_ENC/){ $t="$_ "; }
 852                 elsif ($_ =~ /RC4_ENC/) { $t="$_ "; }
 853                 elsif ($_ =~ /RC5_ENC/) { $t="$_ "; }
 854                 elsif ($_ =~ /MD5_ASM/) { $t="$_ "; }
 855                 elsif ($_ =~ /SHA1_ASM/){ $t="$_ "; }
 856                 elsif ($_ =~ /RMD160_ASM/){ $t="$_ "; }
 857                 elsif ($_ =~ /WHIRLPOOL_ASM/){ $t="$_ "; }
 858                 elsif ($_ =~ /CPUID_ASM/){ $t="$_ "; }
 859                 else    { $t="$location${o}$_$pf "; }
 860
 861                 $Vars{$var}.="$t ";
 862                 $ret.=$t;
 863                 }
 864         # hack to add version info on MSVC
 865         if ($shlib && (($platform eq "VC-WIN32") || ($platform eq "VC-NT")))
 866                 {
 867                 if ($var eq "CRYPTOOBJ")
 868                         { $ret.="\$(OBJ_D)\\\$(CRYPTO).res "; }
 869                 elsif ($var eq "SSLOBJ")
 870                         { $ret.="\$(OBJ_D)\\\$(SSL).res "; }
 871                 }
 872         chomp($ret);
 873         $ret.="\n\n";
 874         return($ret);
 875         }
 876
 877 # return the name with the leading path removed
 878 sub bname
 879         {
 880         local($ret)=@_;
 881         $ret =~ s/^.*[\\\/]([^\\\/]+)$/$1/;
 882         return($ret);
 883         }
 884
 885
 886 ##############################################################
 887 # do a rule for each file that says 'compile' to new direcory
 888 # compile the files in '$files' into $to
 889 sub do_compile_rule
 890         {
 891         local($to,$files,$ex)=@_;
 892         local($ret,$_,$n);
 893
 894         $files =~ s/\//$o/g if $o ne '/';
 895         foreach (split(/\s+/,$files))
 896                 {
 897                 $n=&bname($_);
 898                 $ret.=&cc_compile_target("$to${o}$n$obj","${_}.c",$ex)
 899                 }
 900         return($ret);
 901         }
 902
 903 ##############################################################
 904 # do a rule for each file that says 'compile' to new direcory
 905 sub cc_compile_target
 906         {
 907         local($target,$source,$ex_flags)=@_;
 908         local($ret);
 909
 910         $ex_flags.=" -DMK1MF_BUILD -D$platform_cpp_symbol" if ($source =~ /cversion/);
 911         $target =~ s/\//$o/g if $o ne "/";
 912         $source =~ s/\//$o/g if $o ne "/";
 913         $ret ="$target: \$(SRC_D)$o$source\n\t";
 914         $ret.="\$(CC) ${ofile}$target $ex_flags -c \$(SRC_D)$o$source\n\n";
 915         return($ret);
 916         }
 917
 918 ##############################################################
 919 sub do_asm_rule
 920         {
 921         local($target,$src)=@_;
 922         local($ret,@s,@t,$i);
 923
 924         $target =~ s/\//$o/g if $o ne "/";
 925         $src =~ s/\//$o/g if $o ne "/";
 926
 927         @s=split(/\s+/,$src);
 928         @t=split(/\s+/,$target);
 929
 930         for ($i=0; $i<=$#s; $i++)
 931                 {
 932                 $ret.="$t[$i]: $s[$i]\n";
 933                 $ret.="\t\$(ASM) $afile$t[$i] \$(SRC_D)$o$s[$i]\n\n";
 934                 }
 935         return($ret);
 936         }
 937
 938 sub do_shlib_rule
 939         {
 940         local($n,$def)=@_;
 941         local($ret,$nn);
 942         local($t);
 943
 944         ($nn=$n) =~ tr/a-z/A-Z/;
 945         $ret.="$n.dll: \$(${nn}OBJ)\n";
 946         if ($vc && $w32)
 947                 {
 948                 $ret.="\t\$(MKSHLIB) $efile$n.dll $def @<<\n  \$(${nn}OBJ_F)\n<<\n";
 949                 }
 950         $ret.="\n";
 951         return($ret);
 952         }
 953
 954 # do a rule for each file that says 'copy' to new direcory on change
 955 sub do_copy_rule
 956         {
 957         local($to,$files,$p)=@_;
 958         local($ret,$_,$n,$pp);
 959
 960         $files =~ s/\//$o/g if $o ne '/';
 961         foreach (split(/\s+/,$files))
 962                 {
 963                 $n=&bname($_);
 964                 if ($n =~ /bss_file/)
 965                         { $pp=".c"; }
 966                 else    { $pp=$p; }
 967                 $ret.="$to${o}$n$pp: \$(SRC_D)$o$_$pp\n\t\$(CP) \$(SRC_D)$o$_$pp $to${o}$n$pp\n\n";
 968                 }
 969         return($ret);
 970         }
 971
 972 sub read_options
 973         {
 974         # Many options are handled in a similar way. In particular
 975         # no-xxx sets zero or more scalars to 1.
 976         # Process these using a hash containing the option name and
 977         # reference to the scalars to set.
 978
 979         my %valid_options = (
 980                 "no-rc2" => \$no_rc2,
 981                 "no-rc4" => \$no_rc4,
 982                 "no-rc5" => \$no_rc5,
 983                 "no-idea" => \$no_idea,
 984                 "no-aes" => \$no_aes,
 985                 "no-des" => \$no_des,
 986                 "no-bf" => \$no_bf,
 987                 "no-cast" => \$no_cast,
 988                 "no-md2" => \$no_md2,
 989                 "no-md4" => \$no_md4,
 990                 "no-md5" => \$no_md5,
 991                 "no-sha" => \$no_sha,
 992                 "no-sha1" => \$no_sha1,
 993                 "no-ripemd" => \$no_ripemd,
 994                 "no-mdc2" => \$no_mdc2,
 995                 "no-whirlpool" => \$no_whirlpool,
 996                 "no-patents" =>
 997                         [\$no_rc2, \$no_rc4, \$no_rc5, \$no_idea, \$no_rsa],
 998                 "no-rsa" => \$no_rsa,
 999                 "no-dsa" => \$no_dsa,
1000                 "no-dh" => \$no_dh,
1001                 "no-hmac" => \$no_hmac,
1002                 "no-aes" => \$no_aes,
1003                 "no-asm" => \$no_asm,
1004                 "nasm" => \$nasm,
1005                 "nw-nasm" => \$nw_nasm,
1006                 "nw-mwasm" => \$nw_mwasm,
1007                 "gaswin" => \$gaswin,
1008                 "no-ssl2" => \$no_ssl2,
1009                 "no-ssl3" => \$no_ssl3,
1010                 "no-err" => \$no_err,
1011                 "no-sock" => \$no_sock,
1012                 "no-krb5" => \$no_krb5,
1013                 "no-ec" => \$no_ec,
1014                 "no-ecdsa" => \$no_ecdsa,
1015                 "no-ecdh" => \$no_ecdh,
1016                 "no-engine" => \$no_engine,
1017                 "no-hw" => \$no_hw,
1018                 "just-ssl" =>
1019                         [\$no_rc2, \$no_idea, \$no_des, \$no_bf, \$no_cast,
1020                           \$no_md2, \$no_sha, \$no_mdc2, \$no_dsa, \$no_dh,
1021                           \$no_ssl2, \$no_err, \$no_ripemd, \$no_rc5,
1022                           \$no_aes],
1023                 "rsaref" => 0,
1024                 "gcc" => \$gcc,
1025                 "debug" => \$debug,
1026                 "profile" => \$profile,
1027                 "shlib" => \$shlib,
1028                 "dll" => \$shlib,
1029                 "shared" => 0,
1030                 "no-gmp" => 0,
1031                 "no-shared" => 0,
1032                 "no-zlib" => 0,
1033                 "no-zlib-dynamic" => 0,
1034                 );
1035
1036         if (exists $valid_options{$_})
1037                 {
1038                 my $r = $valid_options{$_};
1039                 if ( ref $r eq "SCALAR")
1040                         { $$r = 1;}
1041                 elsif ( ref $r eq "ARRAY")
1042                         {
1043                         my $r2;
1044                         foreach $r2 (@$r)
1045                                 {
1046                                 $$r2 = 1;
1047                                 }
1048                         }
1049                 }
1050         elsif (/^no-comp$/) { $xcflags = "-DOPENSSL_NO_COMP $xcflags"; }
1051         elsif (/^enable-zlib$/) { $zlib_opt = 1 if $zlib_opt == 0 }
1052         elsif (/^enable-zlib-dynamic$/)
1053                 {
1054                 $zlib_opt = 2;
1055                 }
1056         elsif (/^no-static-engine/)
1057                 {
1058                 $no_static_engine = 1;
1059                 }
1060         elsif (/^enable-static-engine/)
1061                 {
1062                 $no_static_engine = 0;
1063                 }
1064         # There are also enable-xxx options which correspond to
1065         # the no-xxx. Since the scalars are enabled by default
1066         # these can be ignored.
1067         elsif (/^enable-/)
1068                 {
1069                 my $t = $_;
1070                 $t =~ s/^enable/no/;
1071                 if (exists $valid_options{$t})
1072                         {return 1;}
1073                 return 0;
1074                 }
1075         elsif (/^--with-krb5-flavor=(.*)$/)
1076                 {
1077                 my $krb5_flavor = $1;
1078                 if ($krb5_flavor =~ /^force-[Hh]eimdal$/)
1079                         {
1080                         $xcflags="-DKRB5_HEIMDAL $xcflags";
1081                         }
1082                 elsif ($krb5_flavor =~ /^MIT/i)
1083                         {
1084                         $xcflags="-DKRB5_MIT $xcflags";
1085                         if ($krb5_flavor =~ /^MIT[._-]*1[._-]*[01]/i)
1086                                 {
1087                                 $xcflags="-DKRB5_MIT_OLD11 $xcflags"
1088                                 }
1089                         }
1090                 }
1091         elsif (/^([^=]*)=(.*)$/){ $VARS{$1}=$2; }
1092         elsif (/^-[lL].*$/)     { $l_flags.="$_ "; }
1093         elsif ((!/^-help/) && (!/^-h/) && (!/^-\?/) && /^-.*$/)
1094                 { $c_flags.="$_ "; }
1095         else { return(0); }
1096         return(1);
1097         }