sparccpuid.S: some assembler is allergic to apostrophes in comments.
[openssl.git] / 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 $OPENSSLDIR="/usr/local/ssl";
10 $OPTIONS="";
11 $ssl_version="";
12 $banner="\t\@echo Building OpenSSL";
13
14 my $no_static_engine = 1;
15 my $engines = "";
16 local $zlib_opt = 0;    # 0 = no zlib, 1 = static, 2 = dynamic
17 local $zlib_lib = "";
18 local $perl_asm = 0;    # 1 to autobuild asm files from perl scripts
19
20 # Options to import from top level Makefile
21
22 my %mf_import = (
23         VERSION        => \$ssl_version,
24         OPTIONS        => \$OPTIONS,
25         INSTALLTOP     => \$INSTALLTOP,
26         OPENSSLDIR     => \$OPENSSLDIR,
27         PLATFORM       => \$mf_platform,
28         CFLAG          => \$mf_cflag,
29         DEPFLAG        => \$mf_depflag,
30         CPUID_OBJ      => \$mf_cpuid_asm,
31         BN_ASM         => \$mf_bn_asm,
32         DES_ENC        => \$mf_des_asm,
33         AES_ENC        => \$mf_aes_asm,
34         BF_ENC         => \$mf_bf_asm,
35         CAST_ENC       => \$mf_cast_asm,
36         RC4_ENC        => \$mf_rc4_asm,
37         RC5_ENC        => \$mf_rc5_asm,
38         MD5_ASM_OBJ    => \$mf_md5_asm,
39         SHA1_ASM_OBJ   => \$mf_sha_asm,
40         RMD160_ASM_OBJ => \$mf_rmd_asm,
41         WP_ASM_OBJ     => \$mf_wp_asm,
42         CMLL_ENC       => \$mf_cm_asm
43 );
44
45
46 open(IN,"<Makefile") || die "unable to open Makefile!\n";
47 while(<IN>) {
48     my ($mf_opt, $mf_ref);
49     while (($mf_opt, $mf_ref) = each %mf_import) {
50         if (/^$mf_opt\s*=\s*(.*)$/) {
51            $$mf_ref = $1;
52         }
53     }
54 }
55 close(IN);
56
57 $debug = 1 if $mf_platform =~ /^debug-/;
58
59 die "Makefile is not the toplevel Makefile!\n" if $ssl_version eq "";
60
61 $infile="MINFO";
62
63 %ops=(
64         "VC-WIN32",   "Microsoft Visual C++ [4-6] - Windows NT or 9X",
65         "VC-WIN64I",  "Microsoft C/C++ - Win64/IA-64",
66         "VC-WIN64A",  "Microsoft C/C++ - Win64/x64",
67         "VC-CE",   "Microsoft eMbedded Visual C++ 3.0 - Windows CE ONLY",
68         "VC-NT",   "Microsoft Visual C++ [4-6] - Windows NT ONLY",
69         "Mingw32", "GNU C++ - Windows NT or 9x",
70         "Mingw32-files", "Create files with DOS copy ...",
71         "BC-NT",   "Borland C++ 4.5 - Windows NT",
72         "linux-elf","Linux elf",
73         "ultrix-mips","DEC mips ultrix",
74         "FreeBSD","FreeBSD distribution",
75         "OS2-EMX", "EMX GCC OS/2",
76         "netware-clib", "CodeWarrior for NetWare - CLib - with WinSock Sockets",
77         "netware-clib-bsdsock", "CodeWarrior for NetWare - CLib - with BSD Sockets",
78         "netware-libc", "CodeWarrior for NetWare - LibC - with WinSock Sockets",
79         "netware-libc-bsdsock", "CodeWarrior for NetWare - LibC - with BSD Sockets",
80         "default","cc under unix",
81         "auto", "auto detect from top level Makefile"
82         );
83
84 $platform="";
85 my $xcflags="";
86 foreach (@ARGV)
87         {
88         if (!&read_options && !defined($ops{$_}))
89                 {
90                 print STDERR "unknown option - $_\n";
91                 print STDERR "usage: perl mk1mf.pl [options] [system]\n";
92                 print STDERR "\nwhere [system] can be one of the following\n";
93                 foreach $i (sort keys %ops)
94                 { printf STDERR "\t%-10s\t%s\n",$i,$ops{$i}; }
95                 print STDERR <<"EOF";
96 and [options] can be one of
97         no-md2 no-md4 no-md5 no-sha no-mdc2     - Skip this digest
98         no-ripemd
99         no-rc2 no-rc4 no-rc5 no-idea no-des     - Skip this symetric cipher
100         no-bf no-cast no-aes no-camellia no-seed
101         no-rsa no-dsa no-dh                     - Skip this public key cipher
102         no-ssl2 no-ssl3                         - Skip this version of SSL
103         just-ssl                                - remove all non-ssl keys/digest
104         no-asm                                  - No x86 asm
105         no-krb5                                 - No KRB5
106         no-ec                                   - No EC
107         no-ecdsa                                - No ECDSA
108         no-ecdh                                 - No ECDH
109         no-engine                               - No engine
110         no-hw                                   - No hw
111         nasm                                    - Use NASM for x86 asm
112         nw-nasm                                 - Use NASM x86 asm for NetWare
113         nw-mwasm                                - Use Metrowerks x86 asm for NetWare
114         gaswin                                  - Use GNU as with Mingw32
115         no-socks                                - No socket code
116         no-err                                  - No error strings
117         dll/shlib                               - Build shared libraries (MS)
118         debug                                   - Debug build
119         profile                                 - Profiling build
120         gcc                                     - Use Gcc (unix)
121
122 Values that can be set
123 TMP=tmpdir OUT=outdir SRC=srcdir BIN=binpath INC=header-outdir CC=C-compiler
124
125 -L<ex_lib_path> -l<ex_lib>                      - extra library flags (unix)
126 -<ex_cc_flags>                                  - extra 'cc' flags,
127                                                   added (MS), or replace (unix)
128 EOF
129                 exit(1);
130                 }
131         $platform=$_;
132         }
133 foreach (grep(!/^$/, split(/ /, $OPTIONS)))
134         {
135         print STDERR "unknown option - $_\n" if !&read_options;
136         }
137
138 $no_static_engine = 0 if (!$shlib);
139
140 $no_mdc2=1 if ($no_des);
141
142 $no_ssl3=1 if ($no_md5 || $no_sha);
143 $no_ssl3=1 if ($no_rsa && $no_dh);
144
145 $no_ssl2=1 if ($no_md5);
146 $no_ssl2=1 if ($no_rsa);
147
148 $out_def="out";
149 $inc_def="outinc";
150 $tmp_def="tmp";
151
152 $perl="perl" unless defined $perl;
153 $mkdir="-mkdir" unless defined $mkdir;
154
155 ($ssl,$crypto)=("ssl","crypto");
156 $ranlib="echo ranlib";
157
158 $cc=(defined($VARS{'CC'}))?$VARS{'CC'}:'cc';
159 $src_dir=(defined($VARS{'SRC'}))?$VARS{'SRC'}:'.';
160 $bin_dir=(defined($VARS{'BIN'}))?$VARS{'BIN'}:'';
161
162 # $bin_dir.=$o causes a core dump on my sparc :-(
163
164
165 $NT=0;
166
167 push(@INC,"util/pl","pl");
168
169 if ($platform eq "auto") {
170         $platform = $mf_platform;
171         print STDERR "Imported platform $mf_platform\n";
172 }
173
174 if (($platform =~ /VC-(.+)/))
175         {
176         $FLAVOR=$1;
177         $NT = 1 if $1 eq "NT";
178         require 'VC-32.pl';
179         }
180 elsif ($platform eq "Mingw32")
181         {
182         require 'Mingw32.pl';
183         }
184 elsif ($platform eq "Mingw32-files")
185         {
186         require 'Mingw32f.pl';
187         }
188 elsif ($platform eq "BC-NT")
189         {
190         $bc=1;
191         require 'BC-32.pl';
192         }
193 elsif ($platform eq "FreeBSD")
194         {
195         require 'unix.pl';
196         $cflags='-DTERMIO -D_ANSI_SOURCE -O2 -fomit-frame-pointer';
197         }
198 elsif ($platform eq "linux-elf")
199         {
200         require "unix.pl";
201         require "linux.pl";
202         $unix=1;
203         }
204 elsif ($platform eq "ultrix-mips")
205         {
206         require "unix.pl";
207         require "ultrix.pl";
208         $unix=1;
209         }
210 elsif ($platform eq "OS2-EMX")
211         {
212         $wc=1;
213         require 'OS2-EMX.pl';
214         }
215 elsif (($platform eq "netware-clib") || ($platform eq "netware-libc") ||
216        ($platform eq "netware-clib-bsdsock") || ($platform eq "netware-libc-bsdsock"))
217         {
218         $LIBC=1 if $platform eq "netware-libc" || $platform eq "netware-libc-bsdsock";
219         $BSDSOCK=1 if ($platform eq "netware-libc-bsdsock") || ($platform eq "netware-clib-bsdsock");
220         require 'netware.pl';
221         }
222 else
223         {
224         require "unix.pl";
225
226         $unix=1;
227         $cflags.=' -DTERMIO';
228         }
229
230 $out_dir=(defined($VARS{'OUT'}))?$VARS{'OUT'}:$out_def.($debug?".dbg":"");
231 $tmp_dir=(defined($VARS{'TMP'}))?$VARS{'TMP'}:$tmp_def.($debug?".dbg":"");
232 $inc_dir=(defined($VARS{'INC'}))?$VARS{'INC'}:$inc_def;
233
234 $bin_dir=$bin_dir.$o unless ((substr($bin_dir,-1,1) eq $o) || ($bin_dir eq ''));
235
236 $cflags= "$xcflags$cflags" if $xcflags ne "";
237
238 $cflags.=" -DOPENSSL_NO_IDEA" if $no_idea;
239 $cflags.=" -DOPENSSL_NO_AES"  if $no_aes;
240 $cflags.=" -DOPENSSL_NO_CAMELLIA"  if $no_camellia;
241 $cflags.=" -DOPENSSL_NO_SEED" if $no_seed;
242 $cflags.=" -DOPENSSL_NO_RC2"  if $no_rc2;
243 $cflags.=" -DOPENSSL_NO_RC4"  if $no_rc4;
244 $cflags.=" -DOPENSSL_NO_RC5"  if $no_rc5;
245 $cflags.=" -DOPENSSL_NO_MD2"  if $no_md2;
246 $cflags.=" -DOPENSSL_NO_MD4"  if $no_md4;
247 $cflags.=" -DOPENSSL_NO_MD5"  if $no_md5;
248 $cflags.=" -DOPENSSL_NO_SHA"  if $no_sha;
249 $cflags.=" -DOPENSSL_NO_SHA1" if $no_sha1;
250 $cflags.=" -DOPENSSL_NO_RIPEMD" if $no_ripemd;
251 $cflags.=" -DOPENSSL_NO_MDC2" if $no_mdc2;
252 $cflags.=" -DOPENSSL_NO_BF"  if $no_bf;
253 $cflags.=" -DOPENSSL_NO_CAST" if $no_cast;
254 $cflags.=" -DOPENSSL_NO_DES"  if $no_des;
255 $cflags.=" -DOPENSSL_NO_RSA"  if $no_rsa;
256 $cflags.=" -DOPENSSL_NO_DSA"  if $no_dsa;
257 $cflags.=" -DOPENSSL_NO_DH"   if $no_dh;
258 $cflags.=" -DOPENSSL_NO_WHIRLPOOL"   if $no_whirlpool;
259 $cflags.=" -DOPENSSL_NO_SOCK" if $no_sock;
260 $cflags.=" -DOPENSSL_NO_SSL2" if $no_ssl2;
261 $cflags.=" -DOPENSSL_NO_SSL3" if $no_ssl3;
262 $cflags.=" -DOPENSSL_NO_TLSEXT" if $no_tlsext;
263 $cflags.=" -DOPENSSL_NO_CMS" if $no_cms;
264 $cflags.=" -DOPENSSL_NO_ERR"  if $no_err;
265 $cflags.=" -DOPENSSL_NO_KRB5" if $no_krb5;
266 $cflags.=" -DOPENSSL_NO_EC"   if $no_ec;
267 $cflags.=" -DOPENSSL_NO_ECDSA" if $no_ecdsa;
268 $cflags.=" -DOPENSSL_NO_ECDH" if $no_ecdh;
269 $cflags.=" -DOPENSSL_NO_ENGINE"   if $no_engine;
270 $cflags.=" -DOPENSSL_NO_HW"   if $no_hw;
271 $cflags.=" -DOPENSSL_NO_JPAKE"    if $no_jpake;
272 $cflags.= " -DZLIB" if $zlib_opt;
273 $cflags.= " -DZLIB_SHARED" if $zlib_opt == 2;
274
275 if ($no_static_engine)
276         {
277         $cflags .= " -DOPENSSL_NO_STATIC_ENGINE";
278         }
279 else
280         {
281         $cflags .= " -DOPENSSL_NO_DYNAMIC_ENGINE";
282         }
283
284 #$cflags.=" -DRSAref"  if $rsaref ne "";
285
286 ## if ($unix)
287 ##      { $cflags="$c_flags" if ($c_flags ne ""); }
288 ##else
289         { $cflags="$c_flags$cflags" if ($c_flags ne ""); }
290
291 $ex_libs="$l_flags$ex_libs" if ($l_flags ne "");
292
293
294 %shlib_ex_cflags=("SSL" => " -DOPENSSL_BUILD_SHLIBSSL",
295                   "CRYPTO" => " -DOPENSSL_BUILD_SHLIBCRYPTO");
296
297 if ($msdos)
298         {
299         $banner ="\t\@echo Make sure you have run 'perl Configure $platform' in the\n";
300         $banner.="\t\@echo top level directory, if you don't have perl, you will\n";
301         $banner.="\t\@echo need to probably edit crypto/bn/bn.h, check the\n";
302         $banner.="\t\@echo documentation for details.\n";
303         }
304
305 # have to do this to allow $(CC) under unix
306 $link="$bin_dir$link" if ($link !~ /^\$/);
307
308 $INSTALLTOP =~ s|/|$o|g;
309 $OPENSSLDIR =~ s|/|$o|g;
310
311 #############################################
312 # We parse in input file and 'store' info for later printing.
313 open(IN,"<$infile") || die "unable to open $infile:$!\n";
314 $_=<IN>;
315 for (;;)
316         {
317         chop;
318
319         ($key,$val)=/^([^=]+)=(.*)/;
320         if ($key eq "RELATIVE_DIRECTORY")
321                 {
322                 if ($lib ne "")
323                         {
324                         $uc=$lib;
325                         $uc =~ s/^lib(.*)\.a/$1/;
326                         $uc =~ tr/a-z/A-Z/;
327                         $lib_nam{$uc}=$uc;
328                         $lib_obj{$uc}.=$libobj." ";
329                         }
330                 last if ($val eq "FINISHED");
331                 $lib="";
332                 $libobj="";
333                 $dir=$val;
334                 }
335
336         if ($key eq "KRB5_INCLUDES")
337                 { $cflags .= " $val";}
338
339         if ($key eq "ZLIB_INCLUDE")
340                 { $cflags .= " $val" if $val ne "";}
341
342         if ($key eq "LIBZLIB")
343                 { $zlib_lib = "$val" if $val ne "";}
344
345         if ($key eq "LIBKRB5")
346                 { $ex_libs .= " $val" if $val ne "";}
347
348         if ($key eq "TEST")
349                 { $test.=&var_add($dir,$val, 0); }
350
351         if (($key eq "PROGS") || ($key eq "E_OBJ"))
352                 { $e_exe.=&var_add($dir,$val, 0); }
353
354         if ($key eq "LIB")
355                 {
356                 $lib=$val;
357                 $lib =~ s/^.*\/([^\/]+)$/$1/;
358                 }
359
360         if ($key eq "EXHEADER")
361                 { $exheader.=&var_add($dir,$val, 1); }
362
363         if ($key eq "HEADER")
364                 { $header.=&var_add($dir,$val, 1); }
365
366         if ($key eq "LIBOBJ" && ($dir ne "engines" || !$no_static_engine))
367                 { $libobj=&var_add($dir,$val, 0); }
368         if ($key eq "LIBNAMES" && $dir eq "engines" && $no_static_engine)
369                 { $engines.=$val }
370
371         if (!($_=<IN>))
372                 { $_="RELATIVE_DIRECTORY=FINISHED\n"; }
373         }
374 close(IN);
375
376 if ($shlib)
377         {
378         $extra_install= <<"EOF";
379         \$(CP) \"\$(O_SSL)\" \"\$(INSTALLTOP)${o}bin\"
380         \$(CP) \"\$(O_CRYPTO)\" \"\$(INSTALLTOP)${o}bin\"
381         \$(CP) \"\$(L_SSL)\" \"\$(INSTALLTOP)${o}lib\"
382         \$(CP) \"\$(L_CRYPTO)\" \"\$(INSTALLTOP)${o}lib\"
383 EOF
384         if ($no_static_engine)
385                 {
386                 $extra_install .= <<"EOF"
387         \$(MKDIR) \"\$(INSTALLTOP)${o}lib${o}engines\"
388         \$(CP) \"\$(E_SHLIB)\" \"\$(INSTALLTOP)${o}lib${o}engines\"
389 EOF
390                 }
391         }
392 else
393         {
394         $extra_install= <<"EOF";
395         \$(CP) \"\$(O_SSL)\" \"\$(INSTALLTOP)${o}lib\"
396         \$(CP) \"\$(O_CRYPTO)\" \"\$(INSTALLTOP)${o}lib\"
397 EOF
398         $ex_libs .= " $zlib_lib" if $zlib_opt == 1;
399         }
400
401 $defs= <<"EOF";
402 # This makefile has been automatically generated from the OpenSSL distribution.
403 # This single makefile will build the complete OpenSSL distribution and
404 # by default leave the 'intertesting' output files in .${o}out and the stuff
405 # that needs deleting in .${o}tmp.
406 # The file was generated by running 'make makefile.one', which
407 # does a 'make files', which writes all the environment variables from all
408 # the makefiles to the file call MINFO.  This file is used by
409 # util${o}mk1mf.pl to generate makefile.one.
410 # The 'makefile per directory' system suites me when developing this
411 # library and also so I can 'distribute' indervidual library sections.
412 # The one monster makefile better suits building in non-unix
413 # environments.
414
415 EOF
416
417 $defs .= $preamble if defined $preamble;
418
419 $defs.= <<"EOF";
420 INSTALLTOP=$INSTALLTOP
421 OPENSSLDIR=$OPENSSLDIR
422
423 # Set your compiler options
424 PLATFORM=$platform
425 CC=$bin_dir${cc}
426 CFLAG=$cflags
427 APP_CFLAG=$app_cflag
428 LIB_CFLAG=$lib_cflag
429 SHLIB_CFLAG=$shl_cflag
430 APP_EX_OBJ=$app_ex_obj
431 SHLIB_EX_OBJ=$shlib_ex_obj
432 # add extra libraries to this define, for solaris -lsocket -lnsl would
433 # be added
434 EX_LIBS=$ex_libs
435
436 # The OpenSSL directory
437 SRC_D=$src_dir
438
439 LINK=$link
440 LFLAGS=$lflags
441 RSC=$rsc
442
443 # The output directory for everything intersting
444 OUT_D=$out_dir
445 # The output directory for all the temporary muck
446 TMP_D=$tmp_dir
447 # The output directory for the header files
448 INC_D=$inc_dir
449 INCO_D=$inc_dir${o}openssl
450
451 PERL=$perl
452 CP=$cp
453 RM=$rm
454 RANLIB=$ranlib
455 MKDIR=$mkdir
456 MKLIB=$bin_dir$mklib
457 MLFLAGS=$mlflags
458 ASM=$bin_dir$asm
459
460 ######################################################
461 # You should not need to touch anything below this point
462 ######################################################
463
464 E_EXE=openssl
465 SSL=$ssl
466 CRYPTO=$crypto
467
468 # BIN_D  - Binary output directory
469 # TEST_D - Binary test file output directory
470 # LIB_D  - library output directory
471 # ENG_D  - dynamic engine output directory
472 # Note: if you change these point to different directories then uncomment out
473 # the lines around the 'NB' comment below.
474
475 BIN_D=\$(OUT_D)
476 TEST_D=\$(OUT_D)
477 LIB_D=\$(OUT_D)
478 ENG_D=\$(OUT_D)
479
480 # INCL_D - local library directory
481 # OBJ_D  - temp object file directory
482 OBJ_D=\$(TMP_D)
483 INCL_D=\$(TMP_D)
484
485 O_SSL=     \$(LIB_D)$o$plib\$(SSL)$shlibp
486 O_CRYPTO=  \$(LIB_D)$o$plib\$(CRYPTO)$shlibp
487 SO_SSL=    $plib\$(SSL)$so_shlibp
488 SO_CRYPTO= $plib\$(CRYPTO)$so_shlibp
489 L_SSL=     \$(LIB_D)$o$plib\$(SSL)$libp
490 L_CRYPTO=  \$(LIB_D)$o$plib\$(CRYPTO)$libp
491
492 L_LIBS= \$(L_SSL) \$(L_CRYPTO)
493
494 ######################################################
495 # Don't touch anything below this point
496 ######################################################
497
498 INC=-I\$(INC_D) -I\$(INCL_D)
499 APP_CFLAGS=\$(INC) \$(CFLAG) \$(APP_CFLAG)
500 LIB_CFLAGS=\$(INC) \$(CFLAG) \$(LIB_CFLAG)
501 SHLIB_CFLAGS=\$(INC) \$(CFLAG) \$(LIB_CFLAG) \$(SHLIB_CFLAG)
502 LIBS_DEP=\$(O_CRYPTO) \$(O_SSL)
503
504 #############################################
505 EOF
506
507 $rules=<<"EOF";
508 all: banner \$(TMP_D) \$(BIN_D) \$(TEST_D) \$(LIB_D) \$(INCO_D) headers lib exe
509
510 banner:
511 $banner
512
513 \$(TMP_D):
514         \$(MKDIR) \"\$(TMP_D)\"
515 # NB: uncomment out these lines if BIN_D, TEST_D and LIB_D are different
516 #\$(BIN_D):
517 #       \$(MKDIR) \$(BIN_D)
518 #
519 #\$(TEST_D):
520 #       \$(MKDIR) \$(TEST_D)
521
522 \$(LIB_D):
523         \$(MKDIR) \"\$(LIB_D)\"
524
525 \$(INCO_D): \$(INC_D)
526         \$(MKDIR) \"\$(INCO_D)\"
527
528 \$(INC_D):
529         \$(MKDIR) \"\$(INC_D)\"
530
531 headers: \$(HEADER) \$(EXHEADER)
532         @
533
534 lib: \$(LIBS_DEP) \$(E_SHLIB)
535
536 exe: \$(T_EXE) \$(BIN_D)$o\$(E_EXE)$exep
537
538 install: all
539         \$(MKDIR) \"\$(INSTALLTOP)\"
540         \$(MKDIR) \"\$(INSTALLTOP)${o}bin\"
541         \$(MKDIR) \"\$(INSTALLTOP)${o}include\"
542         \$(MKDIR) \"\$(INSTALLTOP)${o}include${o}openssl\"
543         \$(MKDIR) \"\$(INSTALLTOP)${o}lib\"
544         \$(CP) \"\$(INCO_D)${o}*.\[ch\]\" \"\$(INSTALLTOP)${o}include${o}openssl\"
545         \$(CP) \"\$(BIN_D)$o\$(E_EXE)$exep \$(INSTALLTOP)${o}bin\"
546         \$(MKDIR) \"\$(OPENSSLDIR)\"
547         \$(CP) apps${o}openssl.cnf \"\$(OPENSSLDIR)\"
548 $extra_install
549
550
551 test: \$(T_EXE)
552         cd \$(BIN_D)
553         ..${o}ms${o}test
554
555 clean:
556         \$(RM) \$(TMP_D)$o*.*
557
558 vclean:
559         \$(RM) \$(TMP_D)$o*.*
560         \$(RM) \$(OUT_D)$o*.*
561
562 EOF
563     
564 my $platform_cpp_symbol = "MK1MF_PLATFORM_$platform";
565 $platform_cpp_symbol =~ s/-/_/g;
566 if (open(IN,"crypto/buildinf.h"))
567         {
568         # Remove entry for this platform in existing file buildinf.h.
569
570         my $old_buildinf_h = "";
571         while (<IN>)
572                 {
573                 if (/^\#ifdef $platform_cpp_symbol$/)
574                         {
575                         while (<IN>) { last if (/^\#endif/); }
576                         }
577                 else
578                         {
579                         $old_buildinf_h .= $_;
580                         }
581                 }
582         close(IN);
583
584         open(OUT,">crypto/buildinf.h") || die "Can't open buildinf.h";
585         print OUT $old_buildinf_h;
586         close(OUT);
587         }
588
589 open (OUT,">>crypto/buildinf.h") || die "Can't open buildinf.h";
590 printf OUT <<EOF;
591 #ifdef $platform_cpp_symbol
592   /* auto-generated/updated by util/mk1mf.pl for crypto/cversion.c */
593   #define CFLAGS "$cc $cflags"
594   #define PLATFORM "$platform"
595 EOF
596 printf OUT "  #define DATE \"%s\"\n", scalar gmtime();
597 printf OUT "#endif\n";
598 close(OUT);
599
600 # Strip of trailing ' '
601 foreach (keys %lib_obj) { $lib_obj{$_}=&clean_up_ws($lib_obj{$_}); }
602 $test=&clean_up_ws($test);
603 $e_exe=&clean_up_ws($e_exe);
604 $exheader=&clean_up_ws($exheader);
605 $header=&clean_up_ws($header);
606
607 # First we strip the exheaders from the headers list
608 foreach (split(/\s+/,$exheader)){ $h{$_}=1; }
609 foreach (split(/\s+/,$header))  { $h.=$_." " unless $h{$_}; }
610 chop($h); $header=$h;
611
612 $defs.=&do_defs("HEADER",$header,"\$(INCL_D)","");
613 $rules.=&do_copy_rule("\$(INCL_D)",$header,"");
614
615 $defs.=&do_defs("EXHEADER",$exheader,"\$(INCO_D)","");
616 $rules.=&do_copy_rule("\$(INCO_D)",$exheader,"");
617
618 $defs.=&do_defs("T_OBJ",$test,"\$(OBJ_D)",$obj);
619 $rules.=&do_compile_rule("\$(OBJ_D)",$test,"\$(APP_CFLAGS)");
620
621 $defs.=&do_defs("E_OBJ",$e_exe,"\$(OBJ_D)",$obj);
622 $rules.=&do_compile_rule("\$(OBJ_D)",$e_exe,'-DMONOLITH $(APP_CFLAGS)');
623
624 foreach (values %lib_nam)
625         {
626         $lib_obj=$lib_obj{$_};
627         local($slib)=$shlib;
628
629         if (($_ eq "SSL") && $no_ssl2 && $no_ssl3)
630                 {
631                 $rules.="\$(O_SSL):\n\n"; 
632                 next;
633                 }
634
635         $defs.=&do_defs(${_}."OBJ",$lib_obj,"\$(OBJ_D)",$obj);
636         $lib=($slib)?" \$(SHLIB_CFLAGS)".$shlib_ex_cflags{$_}:" \$(LIB_CFLAGS)";
637         $rules.=&do_compile_rule("\$(OBJ_D)",$lib_obj{$_},$lib);
638         }
639
640 # hack to add version info on MSVC
641 if (($platform eq "VC-WIN32") || ($platform eq "VC-WIN64A")
642         || ($platform eq "VC-WIN64I") || ($platform eq "VC-NT")) {
643     $rules.= <<"EOF";
644 \$(OBJ_D)\\\$(CRYPTO).res: ms\\version32.rc
645         \$(RSC) /fo"\$(OBJ_D)\\\$(CRYPTO).res" /d CRYPTO ms\\version32.rc
646
647 \$(OBJ_D)\\\$(SSL).res: ms\\version32.rc
648         \$(RSC) /fo"\$(OBJ_D)\\\$(SSL).res" /d SSL ms\\version32.rc
649
650 EOF
651 }
652
653 $defs.=&do_defs("T_EXE",$test,"\$(TEST_D)",$exep);
654 foreach (split(/\s+/,$test))
655         {
656         $t=&bname($_);
657         $tt="\$(OBJ_D)${o}$t${obj}";
658         $rules.=&do_link_rule("\$(TEST_D)$o$t$exep",$tt,"\$(LIBS_DEP)","\$(L_LIBS) \$(EX_LIBS)");
659         }
660
661 $defs.=&do_defs("E_SHLIB",$engines,"\$(ENG_D)",$shlibp);
662
663 foreach (split(/\s+/,$engines))
664         {
665         $rules.=&do_compile_rule("\$(OBJ_D)","engines${o}e_$_",$lib);
666         $rules.= &do_lib_rule("\$(OBJ_D)${o}e_${_}.obj","\$(ENG_D)$o$_$shlibp","",$shlib,"");
667         }
668
669
670
671 $rules.= &do_lib_rule("\$(SSLOBJ)","\$(O_SSL)",$ssl,$shlib,"\$(SO_SSL)");
672 $rules.= &do_lib_rule("\$(CRYPTOOBJ)","\$(O_CRYPTO)",$crypto,$shlib,"\$(SO_CRYPTO)");
673
674 $rules.=&do_link_rule("\$(BIN_D)$o\$(E_EXE)$exep","\$(E_OBJ)","\$(LIBS_DEP)","\$(L_LIBS) \$(EX_LIBS)");
675
676 print $defs;
677
678 if ($platform eq "linux-elf") {
679     print <<"EOF";
680 # Generate perlasm output files
681 %.cpp:
682         (cd \$(\@D)/..; PERL=perl make -f Makefile asm/\$(\@F))
683 EOF
684 }
685 print "###################################################################\n";
686 print $rules;
687
688 ###############################################
689 # strip off any trailing .[och] and append the relative directory
690 # also remembering to do nothing if we are in one of the dropped
691 # directories
692 sub var_add
693         {
694         local($dir,$val,$keepext)=@_;
695         local(@a,$_,$ret);
696
697         return("") if $no_engine && $dir =~ /\/engine/;
698         return("") if $no_hw   && $dir =~ /\/hw/;
699         return("") if $no_idea && $dir =~ /\/idea/;
700         return("") if $no_aes  && $dir =~ /\/aes/;
701         return("") if $no_camellia  && $dir =~ /\/camellia/;
702         return("") if $no_seed && $dir =~ /\/seed/;
703         return("") if $no_rc2  && $dir =~ /\/rc2/;
704         return("") if $no_rc4  && $dir =~ /\/rc4/;
705         return("") if $no_rc5  && $dir =~ /\/rc5/;
706         return("") if $no_rsa  && $dir =~ /\/rsa/;
707         return("") if $no_rsa  && $dir =~ /^rsaref/;
708         return("") if $no_dsa  && $dir =~ /\/dsa/;
709         return("") if $no_dh   && $dir =~ /\/dh/;
710         return("") if $no_ec   && $dir =~ /\/ec/;
711         return("") if $no_cms  && $dir =~ /\/cms/;
712         return("") if $no_jpake  && $dir =~ /\/jpake/;
713         if ($no_des && $dir =~ /\/des/)
714                 {
715                 if ($val =~ /read_pwd/)
716                         { return("$dir/read_pwd "); }
717                 else
718                         { return(""); }
719                 }
720         return("") if $no_mdc2 && $dir =~ /\/mdc2/;
721         return("") if $no_sock && $dir =~ /\/proxy/;
722         return("") if $no_bf   && $dir =~ /\/bf/;
723         return("") if $no_cast && $dir =~ /\/cast/;
724         return("") if $no_whirlpool && $dir =~ /\/whrlpool/;
725
726         $val =~ s/^\s*(.*)\s*$/$1/;
727         @a=split(/\s+/,$val);
728         grep(s/\.[och]$//,@a) unless $keepext;
729
730         @a=grep(!/^e_.*_3d$/,@a) if $no_des;
731         @a=grep(!/^e_.*_d$/,@a) if $no_des;
732         @a=grep(!/^e_.*_ae$/,@a) if $no_idea;
733         @a=grep(!/^e_.*_i$/,@a) if $no_aes;
734         @a=grep(!/^e_.*_r2$/,@a) if $no_rc2;
735         @a=grep(!/^e_.*_r5$/,@a) if $no_rc5;
736         @a=grep(!/^e_.*_bf$/,@a) if $no_bf;
737         @a=grep(!/^e_.*_c$/,@a) if $no_cast;
738         @a=grep(!/^e_rc4$/,@a) if $no_rc4;
739         @a=grep(!/^e_camellia$/,@a) if $no_camellia;
740         @a=grep(!/^e_seed$/,@a) if $no_seed;
741
742         #@a=grep(!/(^s2_)|(^s23_)/,@a) if $no_ssl2;
743         #@a=grep(!/(^s3_)|(^s23_)/,@a) if $no_ssl3;
744
745         @a=grep(!/(_sock$)|(_acpt$)|(_conn$)|(^pxy_)/,@a) if $no_sock;
746
747         @a=grep(!/(^md2)|(_md2$)/,@a) if $no_md2;
748         @a=grep(!/(^md4)|(_md4$)/,@a) if $no_md4;
749         @a=grep(!/(^md5)|(_md5$)/,@a) if $no_md5;
750         @a=grep(!/(rmd)|(ripemd)/,@a) if $no_ripemd;
751
752         @a=grep(!/(^d2i_r_)|(^i2d_r_)/,@a) if $no_rsa;
753         @a=grep(!/(^p_open$)|(^p_seal$)/,@a) if $no_rsa;
754         @a=grep(!/(^pem_seal$)/,@a) if $no_rsa;
755
756         @a=grep(!/(m_dss$)|(m_dss1$)/,@a) if $no_dsa;
757         @a=grep(!/(^d2i_s_)|(^i2d_s_)|(_dsap$)/,@a) if $no_dsa;
758
759         @a=grep(!/^n_pkey$/,@a) if $no_rsa || $no_rc4;
760
761         @a=grep(!/_dhp$/,@a) if $no_dh;
762
763         @a=grep(!/(^sha[^1])|(_sha$)|(m_dss$)/,@a) if $no_sha;
764         @a=grep(!/(^sha1)|(_sha1$)|(m_dss1$)/,@a) if $no_sha1;
765         @a=grep(!/_mdc2$/,@a) if $no_mdc2;
766
767         @a=grep(!/^engine$/,@a) if $no_engine;
768         @a=grep(!/^hw$/,@a) if $no_hw;
769         @a=grep(!/(^rsa$)|(^genrsa$)/,@a) if $no_rsa;
770         @a=grep(!/(^dsa$)|(^gendsa$)|(^dsaparam$)/,@a) if $no_dsa;
771         @a=grep(!/^gendsa$/,@a) if $no_sha1;
772         @a=grep(!/(^dh$)|(^gendh$)/,@a) if $no_dh;
773
774         @a=grep(!/(^dh)|(_sha1$)|(m_dss1$)/,@a) if $no_sha1;
775
776         grep($_="$dir/$_",@a);
777         @a=grep(!/(^|\/)s_/,@a) if $no_sock;
778         @a=grep(!/(^|\/)bio_sock/,@a) if $no_sock;
779         $ret=join(' ',@a)." ";
780         return($ret);
781         }
782
783 # change things so that each 'token' is only separated by one space
784 sub clean_up_ws
785         {
786         local($w)=@_;
787
788         $w =~ s/^\s*(.*)\s*$/$1/;
789         $w =~ s/\s+/ /g;
790         return($w);
791         }
792
793 sub do_defs
794         {
795         local($var,$files,$location,$postfix)=@_;
796         local($_,$ret,$pf);
797         local(*OUT,$tmp,$t);
798
799         $files =~ s/\//$o/g if $o ne '/';
800         $ret="$var="; 
801         $n=1;
802         $Vars{$var}.="";
803         foreach (split(/ /,$files))
804                 {
805                 $orig=$_;
806                 $_=&bname($_) unless /^\$/;
807                 if ($n++ == 2)
808                         {
809                         $n=0;
810                         $ret.="\\\n\t";
811                         }
812                 if (($_ =~ /bss_file/) && ($postfix eq ".h"))
813                         { $pf=".c"; }
814                 else    { $pf=$postfix; }
815                 if ($_ =~ /BN_ASM/)     { $t="$_ "; }
816                 elsif ($_ =~ /BNCO_ASM/){ $t="$_ "; }
817                 elsif ($_ =~ /AES_ASM/){ $t="$_ "; }
818                 elsif ($_ =~ /DES_ENC/) { $t="$_ "; }
819                 elsif ($_ =~ /BF_ENC/)  { $t="$_ "; }
820                 elsif ($_ =~ /CAST_ENC/){ $t="$_ "; }
821                 elsif ($_ =~ /RC4_ENC/) { $t="$_ "; }
822                 elsif ($_ =~ /RC5_ENC/) { $t="$_ "; }
823                 elsif ($_ =~ /MD5_ASM/) { $t="$_ "; }
824                 elsif ($_ =~ /SHA1_ASM/){ $t="$_ "; }
825                 elsif ($_ =~ /RMD160_ASM/){ $t="$_ "; }
826                 elsif ($_ =~ /WHIRLPOOL_ASM/){ $t="$_ "; }
827                 elsif ($_ =~ /CPUID_ASM/){ $t="$_ "; }
828                 else    { $t="$location${o}$_$pf "; }
829
830                 $Vars{$var}.="$t ";
831                 $ret.=$t;
832                 }
833         # hack to add version info on MSVC
834         if ($shlib && (($platform eq "VC-WIN32") || ($platfrom eq "VC-WIN64I") || ($platform eq "VC-WIN64A") || ($platform eq "VC-NT")))
835                 {
836                 if ($var eq "CRYPTOOBJ")
837                         { $ret.="\$(OBJ_D)\\\$(CRYPTO).res "; }
838                 elsif ($var eq "SSLOBJ")
839                         { $ret.="\$(OBJ_D)\\\$(SSL).res "; }
840                 }
841         chomp($ret);
842         $ret.="\n\n";
843         return($ret);
844         }
845
846 # return the name with the leading path removed
847 sub bname
848         {
849         local($ret)=@_;
850         $ret =~ s/^.*[\\\/]([^\\\/]+)$/$1/;
851         return($ret);
852         }
853
854 # return the leading path
855 sub dname
856         {
857         my $ret=shift;
858         $ret =~ s/(^.*)[\\\/][^\\\/]+$/$1/;
859         return($ret);
860         }
861
862 ##############################################################
863 # do a rule for each file that says 'compile' to new direcory
864 # compile the files in '$files' into $to
865 sub do_compile_rule
866         {
867         local($to,$files,$ex)=@_;
868         local($ret,$_,$n,$d,$s);
869
870         $files =~ s/\//$o/g if $o ne '/';
871         foreach (split(/\s+/,$files))
872                 {
873                 $n=&bname($_);
874                 $d=&dname($_);
875                 if (-f "${_}.c")
876                         {
877                         $ret.=&cc_compile_target("$to${o}$n$obj","${_}.c",$ex)
878                         }
879                 elsif (-f ($s="${d}${o}asm${o}${n}.pl") or
880                        ($s=~s/sha256/sha512/ and -f $s) or
881                        -f ($s="${d}${o}${n}.pl"))
882                         {
883                         $ret.=&perlasm_compile_target("$to${o}$n$obj",$s,$n);
884                         }
885                 elsif (-f ($s="${d}${o}asm${o}${n}.S") or
886                        -f ($s="${d}${o}${n}.S"))
887                         {
888                         $ret.=&Sasm_compile_target("$to${o}$n$obj",$s,$n);
889                         }
890                 else    { die "no rule for $_"; }
891                 }
892         return($ret);
893         }
894
895 ##############################################################
896 # do a rule for each file that says 'compile' to new direcory
897 sub perlasm_compile_target
898         {
899         my($target,$source,$bname)=@_;
900         my($ret);
901
902         $bname =~ s/(.*)\.[^\.]$/$1/;
903         $ret ="\$(TMP_D)$o$bname.asm: $source\n";
904         $ret.="\t\$(PERL) $source $asmtype \$(CFLAG) >\$\@\n\n";
905         $ret.="$target: \$(TMP_D)$o$bname.asm\n";
906         $ret.="\t\$(ASM) $afile\$\@ \$(TMP_D)$o$bname.asm\n\n";
907         return($ret);
908         }
909
910 sub Sasm_compile_target
911         {
912         my($target,$source,$bname)=@_;
913         my($ret);
914
915         $bname =~ s/(.*)\.[^\.]$/$1/;
916         $ret ="\$(TMP_D)$o$bname.asm: $source\n";
917         $ret.="\t\$(CC) -E \$(CFLAG) $source >\$\@\n\n";
918         $ret.="$target: \$(TMP_D)$o$bname.asm\n";
919         $ret.="\t\$(ASM) $afile\$\@ \$(TMP_D)$o$bname.asm\n\n";
920         return($ret);
921         }
922
923 sub cc_compile_target
924         {
925         local($target,$source,$ex_flags)=@_;
926         local($ret);
927         
928         $ex_flags.=" -DMK1MF_BUILD -D$platform_cpp_symbol" if ($source =~ /cversion/);
929         $target =~ s/\//$o/g if $o ne "/";
930         $source =~ s/\//$o/g if $o ne "/";
931         $ret ="$target: \$(SRC_D)$o$source\n\t";
932         $ret.="\$(CC) ${ofile}$target $ex_flags -c \$(SRC_D)$o$source\n\n";
933         return($ret);
934         }
935
936 ##############################################################
937 sub do_asm_rule
938         {
939         local($target,$src)=@_;
940         local($ret,@s,@t,$i);
941
942         $target =~ s/\//$o/g if $o ne "/";
943         $src =~ s/\//$o/g if $o ne "/";
944
945         @t=split(/\s+/,$target);
946         @s=split(/\s+/,$src);
947
948
949         for ($i=0; $i<=$#s; $i++)
950                 {
951                 my $objfile = $t[$i];
952                 my $srcfile = $s[$i];
953
954                 if ($perl_asm == 1)
955                         {
956                         my $plasm = $objfile;
957                         $plasm =~ s/${obj}/.pl/;
958                         $ret.="$srcfile: $plasm\n";
959                         $ret.="\t\$(PERL) $plasm $asmtype \$(CFLAG) >$srcfile\n\n";
960                         }
961
962                 $ret.="$objfile: $srcfile\n";
963                 $ret.="\t\$(ASM) $afile$objfile \$(SRC_D)$o$srcfile\n\n";
964                 }
965         return($ret);
966         }
967
968 sub do_shlib_rule
969         {
970         local($n,$def)=@_;
971         local($ret,$nn);
972         local($t);
973
974         ($nn=$n) =~ tr/a-z/A-Z/;
975         $ret.="$n.dll: \$(${nn}OBJ)\n";
976         if ($vc && $w32)
977                 {
978                 $ret.="\t\$(MKSHLIB) $efile$n.dll $def @<<\n  \$(${nn}OBJ_F)\n<<\n";
979                 }
980         $ret.="\n";
981         return($ret);
982         }
983
984 # do a rule for each file that says 'copy' to new direcory on change
985 sub do_copy_rule
986         {
987         local($to,$files,$p)=@_;
988         local($ret,$_,$n,$pp);
989         
990         $files =~ s/\//$o/g if $o ne '/';
991         foreach (split(/\s+/,$files))
992                 {
993                 $n=&bname($_);
994                 if ($n =~ /bss_file/)
995                         { $pp=".c"; }
996                 else    { $pp=$p; }
997                 $ret.="$to${o}$n$pp: \$(SRC_D)$o$_$pp\n\t\$(CP) \"\$(SRC_D)$o$_$pp\" \"$to${o}$n$pp\"\n\n";
998                 }
999         return($ret);
1000         }
1001
1002 sub read_options
1003         {
1004         # Many options are handled in a similar way. In particular
1005         # no-xxx sets zero or more scalars to 1.
1006         # Process these using a hash containing the option name and
1007         # reference to the scalars to set.
1008
1009         my %valid_options = (
1010                 "no-rc2" => \$no_rc2,
1011                 "no-rc4" => \$no_rc4,
1012                 "no-rc5" => \$no_rc5,
1013                 "no-idea" => \$no_idea,
1014                 "no-aes" => \$no_aes,
1015                 "no-camellia" => \$no_camellia,
1016                 "no-seed" => \$no_seed,
1017                 "no-des" => \$no_des,
1018                 "no-bf" => \$no_bf,
1019                 "no-cast" => \$no_cast,
1020                 "no-md2" => \$no_md2,
1021                 "no-md4" => \$no_md4,
1022                 "no-md5" => \$no_md5,
1023                 "no-sha" => \$no_sha,
1024                 "no-sha1" => \$no_sha1,
1025                 "no-ripemd" => \$no_ripemd,
1026                 "no-mdc2" => \$no_mdc2,
1027                 "no-whirlpool" => \$no_whirlpool,
1028                 "no-patents" => 
1029                         [\$no_rc2, \$no_rc4, \$no_rc5, \$no_idea, \$no_rsa],
1030                 "no-rsa" => \$no_rsa,
1031                 "no-dsa" => \$no_dsa,
1032                 "no-dh" => \$no_dh,
1033                 "no-hmac" => \$no_hmac,
1034                 "no-asm" => \$no_asm,
1035                 "nasm" => \$nasm,
1036                 "nw-nasm" => \$nw_nasm,
1037                 "nw-mwasm" => \$nw_mwasm,
1038                 "gaswin" => \$gaswin,
1039                 "no-ssl2" => \$no_ssl2,
1040                 "no-ssl3" => \$no_ssl3,
1041                 "no-tlsext" => \$no_tlsext,
1042                 "no-cms" => \$no_cms,
1043                 "no-jpake" => \$no_jpake,
1044                 "no-err" => \$no_err,
1045                 "no-sock" => \$no_sock,
1046                 "no-krb5" => \$no_krb5,
1047                 "no-ec" => \$no_ec,
1048                 "no-ecdsa" => \$no_ecdsa,
1049                 "no-ecdh" => \$no_ecdh,
1050                 "no-engine" => \$no_engine,
1051                 "no-hw" => \$no_hw,
1052                 "just-ssl" =>
1053                         [\$no_rc2, \$no_idea, \$no_des, \$no_bf, \$no_cast,
1054                           \$no_md2, \$no_sha, \$no_mdc2, \$no_dsa, \$no_dh,
1055                           \$no_ssl2, \$no_err, \$no_ripemd, \$no_rc5,
1056                           \$no_aes, \$no_camellia, \$no_seed],
1057                 "rsaref" => 0,
1058                 "gcc" => \$gcc,
1059                 "debug" => \$debug,
1060                 "profile" => \$profile,
1061                 "shlib" => \$shlib,
1062                 "dll" => \$shlib,
1063                 "shared" => 0,
1064                 "no-gmp" => 0,
1065                 "no-rfc3779" => 0,
1066                 "no-montasm" => 0,
1067                 "no-shared" => 0,
1068                 "no-store" => 0,
1069                 "no-zlib" => 0,
1070                 "no-zlib-dynamic" => 0,
1071                 );
1072
1073         if (exists $valid_options{$_})
1074                 {
1075                 my $r = $valid_options{$_};
1076                 if ( ref $r eq "SCALAR")
1077                         { $$r = 1;}
1078                 elsif ( ref $r eq "ARRAY")
1079                         {
1080                         my $r2;
1081                         foreach $r2 (@$r)
1082                                 {
1083                                 $$r2 = 1;
1084                                 }
1085                         }
1086                 }
1087         elsif (/^no-comp$/) { $xcflags = "-DOPENSSL_NO_COMP $xcflags"; }
1088         elsif (/^enable-zlib$/) { $zlib_opt = 1 if $zlib_opt == 0 }
1089         elsif (/^enable-zlib-dynamic$/)
1090                 {
1091                 $zlib_opt = 2;
1092                 }
1093         elsif (/^no-static-engine/)
1094                 {
1095                 $no_static_engine = 1;
1096                 }
1097         elsif (/^enable-static-engine/)
1098                 {
1099                 $no_static_engine = 0;
1100                 }
1101         # There are also enable-xxx options which correspond to
1102         # the no-xxx. Since the scalars are enabled by default
1103         # these can be ignored.
1104         elsif (/^enable-/)
1105                 {
1106                 my $t = $_;
1107                 $t =~ s/^enable/no/;
1108                 if (exists $valid_options{$t})
1109                         {return 1;}
1110                 return 0;
1111                 }
1112         # experimental-xxx is mostly like enable-xxx, but opensslconf.v
1113         # will still set OPENSSL_NO_xxx unless we set OPENSSL_EXPERIMENTAL_xxx.
1114         # (No need to fail if we don't know the algorithm -- this is for adventurous users only.)
1115         elsif (/^experimental-/)
1116                 {
1117                 my $algo, $ALGO;
1118                 ($algo = $_) =~ s/^experimental-//;
1119                 ($ALGO = $algo) =~ tr/[a-z]/[A-Z]/;
1120
1121                 $xcflags="-DOPENSSL_EXPERIMENTAL_$ALGO $xcflags";
1122                 
1123                 }
1124         elsif (/^--with-krb5-flavor=(.*)$/)
1125                 {
1126                 my $krb5_flavor = $1;
1127                 if ($krb5_flavor =~ /^force-[Hh]eimdal$/)
1128                         {
1129                         $xcflags="-DKRB5_HEIMDAL $xcflags";
1130                         }
1131                 elsif ($krb5_flavor =~ /^MIT/i)
1132                         {
1133                         $xcflags="-DKRB5_MIT $xcflags";
1134                         if ($krb5_flavor =~ /^MIT[._-]*1[._-]*[01]/i)
1135                                 {
1136                                 $xcflags="-DKRB5_MIT_OLD11 $xcflags"
1137                                 }
1138                         }
1139                 }
1140         elsif (/^([^=]*)=(.*)$/){ $VARS{$1}=$2; }
1141         elsif (/^-[lL].*$/)     { $l_flags.="$_ "; }
1142         elsif ((!/^-help/) && (!/^-h/) && (!/^-\?/) && /^-.*$/)
1143                 { $c_flags.="$_ "; }
1144         else { return(0); }
1145         return(1);
1146         }