makeconfig

   1 #!/bin/sh
   2
   3 [ -z "${WANT_ASSERTS}" ] && WANT_ASSERTS=0
   4 if [ -z "${CONFIG}" ]; then
   5         [ -f user.conf ] && . user.conf
   6 else
   7         case ${CONFIG} in
   8         MINIMAL)
   9                 WANT_JUNK=0 WANT_SOCKET=0
  10                 ;;
  11         NETLESS)
  12                 WANT_SOCKET=0
  13                 ;;
  14         NETSEND)
  15                 WANT_JUNK=0 WANT_IMAP=0 WANT_POP3=0
  16                 ;;
  17         *)
  18                 echo >&2 "Unknown CONFIG= setting: ${CONFIG}"
  19                 echo >&2 'Possible values: MINIMAL, NETLESS, NETSEND'
  20                 exit 1
  21         esac
  22 fi
  23
  24 wantfeat() {
  25         eval i=\$WANT_${1}
  26         [ "${i}" != "0" ]
  27 }
  28 nwantfeat() {
  29         eval i=\$WANT_${1}
  30         [ "${i}" = "0" ]
  31 }
  32
  33 if nwantfeat SOCKET; then
  34         WANT_IPV6=0 WANT_SSL=0
  35         WANT_IMAP=0 WANT_GSSAPI=0 WANT_POP3=0 WANT_SMTP=0
  36 fi
  37 if nwantfeat IMAP && nwantfeat POP3 && nwantfeat SMTP; then
  38         WANT_SOCKET=0 WANT_IPV6=0 WANT_SSL=0
  39 else
  40         WANT_SOCKET=1
  41 fi
  42 if nwantfeat IMAP; then
  43         WANT_GSSAPI=0
  44 fi
  45 # If we don't need MD5 except for producing boundary and message-id strings,
  46 # leave it off, plain old srand(3) should be enough for that purpose.
  47 if nwantfeat SOCKET && nwantfeat JUNK; then
  48         WANT_MD5=0
  49 elif wantfeat JUNK; then
  50         WANT_MD5=1
  51 fi
  52
  53 tmp=___build$$
  54 tmp2=___tmp1$$
  55 tmp3=___tmp2$$
  56 out=config.h
  57 log=config.log
  58 lib=LIBS
  59 inc=INCS
  60 makefile=config.mk
  61
  62 make="${MAKE-make}"
  63
  64 exec 5>&2 >$log 2>&1
  65
  66 rm -f $out $lib $inc
  67 echo "\
  68 /*
  69  * Auto-generated by $0.
  70  * Changes are lost when $0 is run again.
  71  */
  72 " > $out
  73 : > $lib
  74 : > $inc
  75 cat > $makefile << \!
  76 .SUFFIXES: .o .c .x .y
  77 .c.o:
  78         $(CC) $(CFLAGS) $(INCLUDES) -c $<
  79
  80 .c.x:
  81         $(CC) $(CFLAGS) $(INCLUDES) -E $< >$@
  82
  83 .c:
  84         $(CC) $(CFLAGS) $(INCLUDES) $(LDFLAGS) $< $(LIBS) -o $@
  85
  86 .y: ;
  87
  88 !
  89
  90 trap "rm -f $out $lib $inc $makefile; exit" 1 2 15
  91 trap "rm -rf $tmp.*; rm -f $tmp $tmp2.? $tmp2 $tmp3.? $tmp3 $makefile" 0
  92
  93 msg() {
  94         fmt=$1
  95         shift
  96         printf "*** $fmt\\n" "$@"
  97         printf "$fmt" "$@" >&5
  98 }
  99
 100 compile_check() {
 101         variable=$1
 102         topic=$2
 103         define=$3
 104
 105         echo '************************************************************'
 106         msg "checking $topic ... "
 107         echo "/* checked $topic */" >>$out
 108         rm -f $tmp.o
 109         echo '*** test program is'
 110         tee $tmp.c
 111         #echo '*** the preprocessor generates'
 112         #$make -f $makefile $tmp.x
 113         #cat $tmp.x
 114         echo '*** results are'
 115         if $make -f $makefile $tmp.o && test -f $tmp.o
 116         then
 117                 msg "okay\\n"
 118                 echo "$define" >>$out
 119                 eval have_$variable=yes
 120                 return 0
 121         else
 122                 echo "/* $define */" >>$out
 123                 msg "no\\n"
 124                 eval unset have_$variable
 125                 return 1
 126         fi
 127 }
 128
 129 link_check() {
 130         variable=$1
 131         topic=$2
 132         define=$3
 133         libs=$4
 134         incs=$5
 135
 136         echo '************************************************************'
 137         msg "checking $topic ... "
 138         echo "/* checked $topic */" >>$out
 139         rm -f $tmp $tmp.o
 140         echo '*** test program is'
 141         tee $tmp.c
 142         #echo '*** the preprocessor generates'
 143         #$make -f $makefile $tmp.x
 144         #cat $tmp.x
 145         echo '*** results are'
 146         if $make -f $makefile \
 147                         $tmp INCLUDES="$INCLUDES $incs" LIBS="$LIBS $libs" &&
 148                 test -f $tmp
 149         then
 150                 msg "okay\\n"
 151                 echo "$define" >> $out
 152                 echo "$libs" >> $lib
 153                 echo "$incs" >> $inc
 154                 eval have_$variable=yes
 155                 return 0
 156         else
 157                 msg "no\\n"
 158                 echo "/* $define */" >>$out
 159                 eval unset have_$variable
 160                 return 1
 161         fi
 162 }
 163
 164 link_check hello 'if a hello world program can be built' <<\! || { \
 165     echo 'This problem is most certainly not specific to this software.' >&5; \
 166     echo "Read the file '$log' and check your compiler installation." >&5; \
 167     rm $out; exit 1; \
 168 }
 169 #include <stdio.h>
 170
 171 int main(int argc, char *argv[])
 172 {
 173         (void)argc;
 174         (void)argv;
 175         puts("hello world");
 176         return 0;
 177 }
 178 !
 179
 180 compile_check alloca_h 'for <alloca.h>' '#define HAVE_ALLOCA_H' <<\!
 181 #include <alloca.h>
 182 !
 183
 184 link_check alloca 'for alloca()' '#define HAVE_ALLOCA' <<\!
 185 #include "rcv.h"
 186 int main(void)
 187 {
 188         alloca(1);
 189         return 0;
 190 }
 191 !
 192
 193 compile_check ssize_t 'for ssize_t' '#define HAVE_SSIZE_T' <<\!
 194 #include <sys/types.h>
 195 #include <unistd.h>
 196 int main(void)
 197 {
 198         ssize_t i = 3;
 199         write(1, "foo", i);
 200         return 0;
 201 }
 202 !
 203
 204 link_check snprintf 'for snprintf()' '#define HAVE_SNPRINTF' <<\!
 205 #include <stdio.h>
 206 int main(void)
 207 {
 208         char    b[20];
 209         snprintf(b, sizeof b, "%s", "string");
 210         return 0;
 211 }
 212 !
 213
 214 link_check putc_unlocked 'for putc_unlocked()' '#define HAVE_PUTC_UNLOCKED' <<\!
 215 #include <stdio.h>
 216 int main(void)
 217 {
 218         putc_unlocked('@', stdout);
 219         return 0;
 220 }
 221 !
 222
 223 link_check fchdir 'for fchdir()' '#define HAVE_FCHDIR' <<\!
 224 #include <unistd.h>
 225 int main(void)
 226 {
 227         fchdir(0);
 228         return 0;
 229 }
 230 !
 231
 232 link_check mmap 'for mmap()' '#define HAVE_MMAP' <<\!
 233 #include <sys/types.h>
 234 #include <sys/mman.h>
 235 int main(void)
 236 {
 237         mmap(0, 0, 0, 0, 0, 0);
 238         return 0;
 239 }
 240 !
 241
 242 link_check mremap 'for mremap()' '#define HAVE_MREMAP' <<\!
 243 #include <sys/types.h>
 244 #include <sys/mman.h>
 245 int main(void)
 246 {
 247         mremap(0, 0, 0, MREMAP_MAYMOVE);
 248         return 0;
 249 }
 250 !
 251
 252 cat >$tmp2.c <<\!
 253 #include <iconv.h>
 254 int main(void)
 255 {
 256         iconv_t id;
 257
 258         id = iconv_open("foo", "bar");
 259         return 0;
 260 }
 261 !
 262 <$tmp2.c link_check iconv 'for iconv functionality' '#define HAVE_ICONV' ||
 263         <$tmp2.c link_check iconv 'for iconv functionality in libiconv' \
 264                 '#define HAVE_ICONV' '-liconv'
 265
 266 link_check wctype 'for wctype functionality' '#define HAVE_WCTYPE_H' <<\!
 267 #include <wctype.h>
 268 int main(void)
 269 {
 270         iswprint(L'c');
 271         towupper(L'c');
 272         return 0;
 273 }
 274 !
 275
 276 link_check wcwidth 'for wcwidth() ' '#define HAVE_WCWIDTH' <<\!
 277 #include <wchar.h>
 278 int main(void)
 279 {
 280         wcwidth(L'c');
 281         return 0;
 282 }
 283 !
 284
 285 link_check mbtowc 'for mbtowc()' '#define HAVE_MBTOWC' <<\!
 286 #include <stdlib.h>
 287 int main(void)
 288 {
 289         wchar_t wc;
 290         mbtowc(&wc, "x", 1);
 291         return 0;
 292 }
 293 !
 294
 295 link_check setlocale 'for setlocale()' '#define HAVE_SETLOCALE' <<\!
 296 #include <locale.h>
 297 int main(void)
 298 {
 299         setlocale(LC_ALL, "");
 300         return 0;
 301 }
 302 !
 303
 304 link_check nl_langinfo 'for nl_langinfo()' '#define HAVE_NL_LANGINFO' <<\!
 305 #include <langinfo.h>
 306 int main(void)
 307 {
 308         nl_langinfo(DAY_1);
 309         return 0;
 310 }
 311 !
 312
 313 link_check mkstemp 'for mkstemp()' '#define HAVE_MKSTEMP' <<\!
 314 #include <stdlib.h>
 315 int main(void)
 316 {
 317         mkstemp("x");
 318         return 0;
 319 }
 320 !
 321
 322 link_check fpathconf 'for fpathconf()' '#define HAVE_FPATHCONF' <<\!
 323 #include <unistd.h>
 324 int main(void)
 325 {
 326         fpathconf(0, _PC_PATH_MAX);
 327         return 0;
 328 }
 329 !
 330
 331 link_check wordexp 'for wordexp()' '#define HAVE_WORDEXP' <<\!
 332 #include <wordexp.h>
 333 int main(void)
 334 {
 335         wordexp((char *)0, (wordexp_t *)0, 0);
 336         return 0;
 337 }
 338 !
 339
 340 link_check getopt 'for getopt()' '#define HAVE_GETOPT' << \!
 341 #include <unistd.h>
 342 int main(int argc, char **argv)
 343 {
 344 #if defined __GLIBC__ || defined __linux__
 345         Argument and option reordering is not a desired feature.
 346 #else
 347         getopt(argc, argv, "oPt");
 348 #endif
 349         return (((long)optarg + optind) & 0x7F);
 350 }
 351 !
 352
 353 ##
 354
 355 if wantfeat SOCKET; then
 356         compile_check arpa_inet_h 'for <arpa/inet.h>' \
 357                 '#define HAVE_ARPA_INET_H' << \!
 358 #include "config.h"
 359 #include <sys/types.h>
 360 #include <sys/socket.h>
 361 #include <netdb.h>
 362 #include <netinet/in.h>
 363 #include <arpa/inet.h>
 364 !
 365
 366         cat >$tmp2.c << \!
 367 #include "config.h"
 368 #include <sys/types.h>
 369 #include <sys/socket.h>
 370 #include <netdb.h>
 371 #include <netinet/in.h>
 372 #ifdef HAVE_ARPA_INET_H
 373 #include <arpa/inet.h>
 374 #endif
 375
 376 int main(void)
 377 {
 378         struct sockaddr s;
 379         socket(AF_INET, SOCK_STREAM, 0);
 380         connect(0, &s, 0);
 381         gethostbyname("foo");
 382         return 0;
 383 }
 384 !
 385
 386         WANT_SOCKET=1
 387         <$tmp2.c link_check sockets 'for sockets in libc' \
 388                         '#define HAVE_SOCKETS' ||
 389                 <$tmp2.c link_check sockets 'for sockets in libnsl' \
 390                         '#define HAVE_SOCKETS' '-lnsl' ||
 391                 <$tmp2.c link_check sockets \
 392                         'for sockets in libsocket and libnsl' \
 393                         '#define HAVE_SOCKETS' '-lsocket -lnsl' ||
 394                 WANT_SOCKET=0
 395
 396         # XXX Shouldn't it be a hard error if there is no socket support, then?
 397         [ ${WANT_SOCKET} -eq 1 ] ||
 398                 WANT_IPV6=0 WANT_SSL=0 \
 399                 WANT_IMAP=0 WANT_GSSAPI=0 WANT_POP3=0 WANT_SMTP=0
 400 fi # wantfeat SOCKET
 401
 402 if wantfeat IPV6; then
 403         link_check ipv6 'for IPv6 functionality' '#define USE_IPV6' << \!
 404 #include "config.h"
 405 #include <sys/types.h>
 406 #include <sys/socket.h>
 407 #include <netdb.h>
 408 #include <netinet/in.h>
 409 #ifdef HAVE_ARPA_INET_H
 410 #include <arpa/inet.h>
 411 #endif
 412
 413 int main(void)
 414 {
 415         struct addrinfo a, *ap;
 416         getaddrinfo("foo", "0", &a, &ap);
 417         return 0;
 418 }
 419 !
 420
 421 fi # wantfeat IPV6
 422
 423 if wantfeat IMAP; then
 424         echo "#define USE_IMAP" >> $out
 425 else
 426         echo "/* #define USE_IMAP */" >> $out
 427 fi
 428
 429 if wantfeat POP3; then
 430         echo "#define USE_POP3" >>$out
 431 else
 432         echo "/* #define USE_POP3 */" >> $out
 433 fi
 434
 435 if wantfeat SMTP; then
 436         echo "#define USE_SMTP" >>$out
 437 else
 438         echo "/* #define USE_SMTP */" >> $out
 439 fi
 440
 441 if wantfeat SSL; then
 442         link_check nss 'for Network Security Services (NSS)' '#define USE_SSL
 443                         #define USE_NSS' \
 444                         '-lsmime3 -lnss3 -lssl3 -lnspr4 -lplc4' <<\! || \
 445                 link_check openssl 'for sufficiently recent OpenSSL' \
 446                         '#define USE_SSL
 447                         #define USE_OPENSSL' '-lssl -lcrypto' << \%
 448 #include <nss.h>
 449 #include <ssl.h>
 450 #include <prinit.h>
 451 #include <prmem.h>
 452 #include <pk11func.h>
 453 #include <prtypes.h>
 454 #include <prerror.h>
 455 #include <secerr.h>
 456 #include <smime.h>
 457 #include <ciferfam.h>
 458 #include <private/pprio.h>
 459
 460 int main(void)
 461 {
 462         PR_ImportTCPSocket(0);
 463         NSS_CMSSignerInfo_AddSMIMECaps(0);
 464         return 0;
 465 }
 466 !
 467 #include <openssl/ssl.h>
 468 #include <openssl/err.h>
 469 #include <openssl/x509v3.h>
 470 #include <openssl/x509.h>
 471 #include <openssl/rand.h>
 472
 473 int main(void)
 474 {
 475         SSLv23_client_method();
 476         PEM_read_PrivateKey(0, 0, 0, 0);
 477         return 0;
 478 }
 479 %
 480
 481         if [ "${have_nss}" = 'yes' ]; then
 482                 compile_check genname_h 'for genname.h' \
 483                         '#define HAVE_GENNAME_H' << \!
 484 #include <genname.h>
 485 !
 486
 487                 compile_check xconst_h 'for xconst.h' \
 488                         '#define HAVE_XCONST_H' << \!
 489 #include <xconst.h>
 490 !
 491
 492                 compile_check CERTAltNameEncodedContext \
 493                         'for CERTAltNameEncodedContext type' \
 494                         '#define HAVE_CERTAltNameEncodedContext' << \!
 495 #include "config.h"
 496 #include <nss.h>
 497 #include <ssl.h>
 498 #include <prinit.h>
 499 #include <prmem.h>
 500 #include <pk11func.h>
 501 #include <prtypes.h>
 502 #include <prerror.h>
 503 #include <secerr.h>
 504 #include <smime.h>
 505 #include <ciferfam.h>
 506 #ifdef HAVE_XCONST_H
 507 #include <xconst.h>
 508 #endif
 509 #ifdef HAVE_GENNAME_H
 510 #include <genname.h>
 511 #endif
 512 #include <private/pprio.h>
 513
 514 CERTAltNameEncodedContext       foo;
 515 !
 516         fi
 517
 518         if [ "${have_openssl}" = 'yes' ]; then
 519                 compile_check stack_of 'for STACK_OF()' \
 520                         '#define HAVE_STACK_OF' << \!
 521 #include <openssl/ssl.h>
 522 #include <openssl/err.h>
 523 #include <openssl/x509v3.h>
 524 #include <openssl/x509.h>
 525 #include <openssl/rand.h>
 526
 527 int main(void)
 528 {
 529         STACK_OF(GENERAL_NAME)  *gens = NULL;
 530         printf("%p", gens);     /* to make it used */
 531         SSLv23_client_method();
 532         PEM_read_PrivateKey(0, 0, 0, 0);
 533         return 0;
 534 }
 535 !
 536         fi
 537
 538 else
 539         echo '/* Socket/SSL support not desired */' >> $out
 540 fi # wantfeat SSL
 541
 542 if wantfeat GSSAPI; then
 543         cat >$tmp2.c <<\!
 544 #include <gssapi/gssapi.h>
 545
 546 int main(void)
 547 {
 548         gss_import_name(0, 0, GSS_C_NT_HOSTBASED_SERVICE, 0);
 549         gss_init_sec_context(0,0,0,0,0,0,0,0,0,0,0,0,0);
 550         return 0;
 551 }
 552 !
 553
 554         sed -e '1s/gssapi\///' < $tmp2.c > $tmp3.c
 555
 556         <$tmp2.c link_check gssapi 'for GSSAPI in libgss' \
 557                         '#define USE_GSSAPI' '-lgss' ||
 558                 <$tmp2.c link_check gssapi 'for GSSAPI in libgssapi_krb5' \
 559                         '#define USE_GSSAPI' '-lgssapi_krb5' ||
 560                 link_check gssapi 'for GSSAPI in libgssapi_krb5, old-style' \
 561                         '#define USE_GSSAPI
 562                         #define GSSAPI_OLD_STYLE' '-lgssapi_krb5' <<\! || \
 563                 <$tmp3.c link_check gssapi 'for GSSAPI in libgssapi' \
 564                         '#define USE_GSSAPI
 565                         #define GSSAPI_REG_INCLUDE' '-lgssapi' || \
 566                 <$tmp3.c link_check gssapi \
 567                         'for GSSAPI in libgssapi, OpenBSD-style' \
 568                         '#define USE_GSSAPI
 569                         #define GSSAPI_REG_INCLUDE' \
 570                         '-lgssapi -lkrb5 -lcrypto' '-I/usr/include/kerberosV'
 571
 572 #include <gssapi/gssapi.h>
 573 #include <gssapi/gssapi_generic.h>
 574
 575 int main(void)
 576 {
 577         gss_import_name(0, 0, gss_nt_service_name, 0);
 578         gss_init_sec_context(0,0,0,0,0,0,0,0,0,0,0,0,0);
 579         return 0;
 580 }
 581 !
 582
 583 else
 584         echo '/* IMAP/GSSAPI support not desired */' >> $out
 585 fi # wantfeat GSSAPI
 586
 587 if wantfeat IDNA; then
 588         link_check idna 'for GNU Libidn' '#define USE_IDNA' '-lidn' << \!
 589 #include <idna.h>
 590 #include <stringprep.h>
 591 #include <tld.h>
 592
 593 int main(void)
 594 {
 595         char *utf8, *idna_ascii;
 596         uint32_t *idna_uni;
 597         size_t sz;
 598         utf8 = stringprep_locale_to_utf8("does.this.work");
 599         if (idna_to_ascii_8z(utf8, &idna_ascii, IDNA_USE_STD3_ASCII_RULES)
 600                         != IDNA_SUCCESS)
 601                 return (1);
 602         if (idna_to_unicode_8z4z(idna_ascii, &idna_uni, 0) != IDNA_SUCCESS)
 603                 return (1 + (unsigned char)idna_strerror(0)[0]);
 604         if (tld_check_4z(idna_uni, &sz, NULL) != TLD_SUCCESS)
 605                 return (2 + (unsigned char)tld_strerror(0)[0]);
 606         return (0);
 607 }
 608 !
 609
 610 else
 611         echo '/* IDNA support not desired */' >> $out
 612 fi # wantfeat IDNA
 613
 614 if wantfeat JUNK; then
 615         echo "#define USE_JUNK" >> $out
 616 else
 617         echo "/* #define USE_JUNK */" >> $out
 618 fi
 619
 620 if wantfeat MD5; then
 621         echo "#define USE_MD5" >> $out
 622 else
 623         echo "/* #define USE_MD5 */" >> $out
 624 fi
 625
 626 if wantfeat ASSERTS; then
 627         echo "#define HAVE_ASSERTS" >> $out
 628 else
 629         echo "/* #define HAVE_ASSERTS */" >> $out
 630 fi
 631
 632 # Since we cat(1) the content of those to cc/"ld", convert them to single line
 633 squeeze_em() {
 634         < "${1}" > "${2}" awk \
 635         'BEGIN {ORS = " "} /^[^#]/ {print} {next} END {ORS = ""; print "\n"}'
 636 }
 637 rm -f "$tmp"
 638 squeeze_em "$inc" "$tmp"
 639 mv "$tmp" "$inc"
 640 squeeze_em "$lib" "$tmp"
 641 mv "$tmp" "$lib"
 642
 643 # Finished!
 644 cat > $tmp2.c << \!
 645 #include "config.h"
 646 #ifdef HAVE_NL_LANGINFO
 647 #include <langinfo.h>
 648 #endif
 649 :
 650 :The following optional features are enabled:
 651 #ifdef HAVE_SETLOCALE
 652 : + Locale support: Printable characters depend on the environment
 653 #if defined HAVE_MBTOWC && defined HAVE_WCTYPE_H
 654 : + Multibyte character support
 655 #endif
 656 #endif
 657 #ifdef HAVE_ICONV
 658 : + Character set conversion using iconv()
 659 #endif
 660 #if defined HAVE_SETLOCALE && defined HAVE_NL_LANGINFO && defined CODESET
 661 : + Automatic detection of terminal character set
 662 #endif
 663 #ifdef HAVE_SOCKETS
 664 : + Network support
 665 #endif
 666 #ifdef USE_IPV6
 667 : + Support for Internet Protocol v6 (IPv6)
 668 #endif
 669 #ifdef USE_NSS
 670 : + S/MIME and SSL/TLS using Network Security Services (NSS)
 671 #endif
 672 #ifdef USE_OPENSSL
 673 : + S/MIME and SSL/TLS using OpenSSL
 674 #endif
 675 #ifdef USE_IMAP
 676 : + IMAP protocol
 677 #endif
 678 #ifdef USE_GSSAPI
 679 : + IMAP GSSAPI authentication
 680 #endif
 681 #ifdef USE_POP3
 682 : + POP3 protocol
 683 #endif
 684 #ifdef USE_SMTP
 685 : + SMTP protocol
 686 #endif
 687 #ifdef USE_JUNK
 688 : + Junk-mail management (Bayesian filtering)
 689 #endif
 690 #ifdef USE_MD5
 691 : + The MD5 message digest
 692 #endif
 693 #ifdef USE_IDNA
 694 : + IDNA (internationalized domain names for applications) support
 695 #endif
 696 :
 697 :The following optional features are disabled:
 698 #ifndef HAVE_SETLOCALE
 699 : - Locale support: Only ASCII characters are recognized
 700 #endif
 701 #if ! defined HAVE_SETLOCALE || ! defined HAVE_MBTOWC || !defined HAVE_WCTYPE_H
 702 : - Multibyte character support
 703 #endif
 704 #ifndef HAVE_ICONV
 705 : - Character set conversion using iconv()
 706 #endif
 707 #if ! defined HAVE_SETLOCALE || ! defined HAVE_NL_LANGINFO || ! defined CODESET
 708 : - Automatic detection of terminal character set
 709 #endif
 710 #ifndef HAVE_SOCKETS
 711 : - Network support
 712 #endif
 713 #ifndef USE_IPV6
 714 : - Support for Internet Protocol v6 (IPv6)
 715 #endif
 716 #if ! defined USE_SSL && ! defined USE_NSS
 717 : - SSL/TLS (network transport authentication and encryption)
 718 #endif
 719 #ifndef USE_IMAP
 720 : - IMAP protocol
 721 #endif
 722 #ifndef USE_GSSAPI
 723 : - IMAP GSSAPI authentication
 724 #endif
 725 #ifndef USE_POP3
 726 : - POP3 protocol
 727 #endif
 728 #ifndef USE_SMTP
 729 : - SMTP protocol
 730 #endif
 731 #ifndef USE_JUNK
 732 : - Junk-mail management (Bayesian filtering)
 733 #endif
 734 #ifndef USE_MD5
 735 : - The MD5 message digest
 736 #endif
 737 #ifndef USE_IDNA
 738 : - IDNA (internationalized domain names for applications) support
 739 #endif
 740 :
 741 :Remarks:
 742 #ifndef HAVE_SNPRINTF
 743 : * The function snprintf() could not be found. mailx will be compiled to use
 744 : sprintf() instead. This might overflow buffers if input values are larger
 745 : than expected. Use the resulting binary with care or update your system
 746 : environment and start the configuration process again.
 747 #endif
 748 #ifndef HAVE_FCHDIR
 749 : * The function fchdir() could not be found. mailx will be compiled to use
 750 : chdir() instead. This is not a problem unless the current working
 751 : directory of mailx is moved while the IMAP cache is used.
 752 #endif
 753 #ifndef HAVE_GETOPT
 754 : * A (usable) getopt() functionality could not be found.
 755 : A builtin version is used instead.
 756 #endif
 757 #ifdef HAVE_ASSERTS
 758 : * WANT_ASSERTS is enabled, the program binary will contain code assertions.
 759 : There are also additional commands available, like "core".
 760 : Such a binary is not meant to be used by end-users, but only for
 761 : development purposes.  Thanks!
 762 #endif
 763 :
 764 !
 765
 766 $make -f $makefile $tmp2.x
 767 < $tmp2.x >&5 sed '/^[^:]/d; /^$/d; s/^://'
 768
 769 exit 0