makeconfig

   1 #!/bin/sh
   2
   3 #
   4 # Sccsid @(#)makeconfig 1.44 (gritter) 5/26/09
   5 #
   6
   7 if [ -z "${CONFIG}" ]; then
   8         [ -f user.conf ] && . user.conf
   9 else
  10         case ${CONFIG} in
  11         MINIMAL)
  12                 WANT_JUNK=0 WANT_SOCKET=0
  13                 ;;
  14         NETLESS)
  15                 WANT_SOCKET=0
  16                 ;;
  17         NETSEND)
  18                 WANT_JUNK=0 WANT_IMAP=0 WANT_POP3=0
  19                 ;;
  20         *)
  21                 echo >&2 "Unknown CONFIG= setting: ${CONFIG}"
  22                 echo >&2 'Possible values: MINIMAL, NETLESS, NETSEND'
  23                 exit 1
  24         esac
  25 fi
  26
  27 wantfeat() {
  28         local i
  29         eval i=\$WANT_${1}
  30         [ -z "${i}" ] && return 0
  31         [ "${i}" = "0" ] && return 1
  32         return 0
  33 }
  34
  35 if ! wantfeat IMAP && ! wantfeat POP3 && ! wantfeat SMTP; then
  36         WANT_SOCKET=0
  37         WANT_SSL=0
  38 fi
  39 if ! wantfeat IMAP; then
  40         WANT_GSSAPI=0
  41 fi
  42
  43 tmp=___build$$
  44 tmp2=___tmp1$$
  45 tmp3=___tmp2$$
  46 out=config.h
  47 log=config.log
  48 lib=LIBS
  49 inc=INCS
  50
  51 make="${MAKE-make}"
  52
  53 exec 5>&2 >$log 2>&1
  54
  55 rm -f $out $lib $inc
  56 echo "\
  57 /*
  58  * Auto-generated by $0.
  59  * Changes are lost when $0 is run again.
  60  */
  61 " >$out
  62 echo "
  63 # Auto-generated by $0.
  64 # Changes are lost when $0 is run again.
  65 #
  66 # need one non-empty line
  67
  68 # to make grep happy
  69 ">$lib
  70 echo "
  71 # Auto-generated by $0.
  72 # Changes are lost when $0 is run again.
  73 #
  74 # need one non-empty line
  75
  76 # to make grep happy
  77 ">$inc
  78
  79 trap "rm -f $out $lib $inc; exit" 1 2 15
  80 trap "rm -f $tmp.? $tmp $tmp2.? $tmp2 $tmp3.? $tmp3" 0
  81
  82 msg() {
  83         fmt=$1
  84         shift
  85         printf "*** $fmt\\n" "$@"
  86         printf "$fmt" "$@" >&5
  87 }
  88
  89 compile_check() {
  90         variable=$1
  91         topic=$2
  92         define=$3
  93
  94         echo '************************************************************'
  95         msg "checking $topic ... "
  96         echo "/* checked $topic */" >>$out
  97         rm -f $tmp.o
  98         echo '*** test program is'
  99         tee $tmp.c
 100         #echo '*** the preprocessor generates'
 101         #$make $tmp.x
 102         #cat $tmp.x
 103         echo '*** results are'
 104         if $make $tmp.o && test -f $tmp.o
 105         then
 106                 msg "okay\\n"
 107                 echo "$define" >>$out
 108                 eval have_$variable=yes
 109                 return 0
 110         else
 111                 echo "/* $define */" >>$out
 112                 msg "no\\n"
 113                 eval unset have_$variable
 114                 return 1
 115         fi
 116 }
 117
 118 link_check() {
 119         variable=$1
 120         topic=$2
 121         define=$3
 122         libs=$4
 123         incs=$5
 124
 125         echo '************************************************************'
 126         msg "checking $topic ... "
 127         echo "/* checked $topic */" >>$out
 128         rm -f $tmp $tmp.o
 129         echo '*** test program is'
 130         tee $tmp.c
 131         #echo '*** the preprocessor generates'
 132         #$make $tmp.x
 133         #cat $tmp.x
 134         echo '*** results are'
 135         if $make $tmp INCLUDES="$INCLUDES $incs" LIBS="$LIBS $libs" &&
 136                 test -f $tmp
 137         then
 138                 msg "okay\\n"
 139                 echo "$define" >>$out
 140                 cp $lib $tmp2
 141                 echo "$libs" >$lib
 142                 cat $tmp2 >>$lib
 143                 cp $inc $tmp2
 144                 echo "$incs" >$inc
 145                 cat $tmp2 >>$inc
 146                 eval have_$variable=yes
 147                 return 0
 148         else
 149                 msg "no\\n"
 150                 echo "/* $define */" >>$out
 151                 eval unset have_$variable
 152                 return 1
 153         fi
 154 }
 155
 156 link_check hello 'if a hello world program can be built' <<\! || { \
 157     echo 'This problem is most certainly not specific to this software.' >&5; \
 158     echo "Read the file '$log' and check your compiler installation." >&5; \
 159     rm $out; exit 1; \
 160 }
 161 #include <stdio.h>
 162
 163 int main(int argc, char *argv[])
 164 {
 165         puts("hello world");
 166         return 0;
 167 }
 168 !
 169
 170 compile_check alloca_h 'for <alloca.h>' '#define HAVE_ALLOCA_H' <<\!
 171 #include <alloca.h>
 172 !
 173
 174 link_check alloca 'for alloca()' '#define HAVE_ALLOCA' <<\!
 175 #include "rcv.h"
 176 int main(void)
 177 {
 178         alloca(1);
 179         return 0;
 180 }
 181 !
 182
 183 compile_check ssize_t 'for ssize_t' '#define HAVE_SSIZE_T' <<\!
 184 #include <sys/types.h>
 185 #include <unistd.h>
 186 int main(void)
 187 {
 188         ssize_t i = 3;
 189         write(1, "foo", i);
 190         return 0;
 191 }
 192 !
 193
 194 link_check snprintf 'for snprintf()' '#define HAVE_SNPRINTF' <<\!
 195 #include <stdio.h>
 196 int main(void)
 197 {
 198         char    b[20];
 199         snprintf(b, sizeof b, "%s", "string");
 200         return 0;
 201 }
 202 !
 203
 204 link_check fchdir 'for fchdir()' '#define HAVE_FCHDIR' <<\!
 205 #include <unistd.h>
 206 int main(void)
 207 {
 208         fchdir(0);
 209         return 0;
 210 }
 211 !
 212
 213 link_check mmap 'for mmap()' '#define HAVE_MMAP' <<\!
 214 #include <sys/types.h>
 215 #include <sys/mman.h>
 216 int main(void)
 217 {
 218         mmap(0, 0, 0, 0, 0, 0);
 219         return 0;
 220 }
 221 !
 222
 223 link_check mremap 'for mremap()' '#define HAVE_MREMAP' <<\!
 224 #include <sys/types.h>
 225 #include <sys/mman.h>
 226 int main(void)
 227 {
 228         mremap(0, 0, 0, MREMAP_MAYMOVE);
 229         return 0;
 230 }
 231 !
 232
 233 cat >$tmp2.c <<\!
 234 #include <iconv.h>
 235 int main(void)
 236 {
 237         iconv_t id;
 238
 239         id = iconv_open("foo", "bar");
 240         return 0;
 241 }
 242 !
 243 <$tmp2.c link_check iconv 'for iconv functionality' '#define HAVE_ICONV' ||
 244         <$tmp2.c link_check iconv 'for iconv functionality in libiconv' \
 245                 '#define HAVE_ICONV' '-liconv'
 246
 247 link_check wctype 'for wctype functionality' '#define HAVE_WCTYPE_H' <<\!
 248 #include <wctype.h>
 249 int main(void)
 250 {
 251         iswprint(L'c');
 252         towupper(L'c');
 253         return 0;
 254 }
 255 !
 256
 257 link_check wcwidth 'for wcwidth() ' '#define HAVE_WCWIDTH' <<\!
 258 #include <wchar.h>
 259 int main(void)
 260 {
 261         wcwidth(L'c');
 262         return 0;
 263 }
 264 !
 265
 266 link_check mbtowc 'for mbtowc()' '#define HAVE_MBTOWC' <<\!
 267 #include <stdlib.h>
 268 int main(void)
 269 {
 270         wchar_t wc;
 271         mbtowc(&wc, "x", 1);
 272         return 0;
 273 }
 274 !
 275
 276 link_check setlocale 'for setlocale()' '#define HAVE_SETLOCALE' <<\!
 277 #include <locale.h>
 278 int main(void)
 279 {
 280         setlocale(LC_ALL, "");
 281         return 0;
 282 }
 283 !
 284
 285 link_check nl_langinfo 'for nl_langinfo()' '#define HAVE_NL_LANGINFO' <<\!
 286 #include <langinfo.h>
 287 int main(void)
 288 {
 289         nl_langinfo(DAY_1);
 290         return 0;
 291 }
 292 !
 293
 294 link_check mkstemp 'for mkstemp()' '#define HAVE_MKSTEMP' <<\!
 295 #include <stdlib.h>
 296 int main(void)
 297 {
 298         mkstemp("x");
 299         return 0;
 300 }
 301 !
 302
 303 link_check fpathconf 'for fpathconf()' '#define HAVE_FPATHCONF' <<\!
 304 #include <unistd.h>
 305 int main(void)
 306 {
 307         fpathconf(0, _PC_PATH_MAX);
 308         return 0;
 309 }
 310 !
 311
 312 link_check wordexp 'for wordexp()' '#define HAVE_WORDEXP' <<\!
 313 #include <wordexp.h>
 314 int main(void)
 315 {
 316         wordexp((char *)0, (wordexp_t *)0, 0);
 317         return 0;
 318 }
 319 !
 320
 321 ## user.conf added later, indentation not adjusted ##
 322
 323 if wantfeat SOCKET; then
 324
 325 compile_check arpa_inet_h 'for <arpa/inet.h>' '#define HAVE_ARPA_INET_H' <<\!
 326 #include "config.h"
 327 #include <sys/types.h>
 328 #include <sys/socket.h>
 329 #include <netdb.h>
 330 #include <netinet/in.h>
 331 #include <arpa/inet.h>
 332 !
 333
 334 cat >$tmp2.c <<\!
 335 #include "config.h"
 336 #include <sys/types.h>
 337 #include <sys/socket.h>
 338 #include <netdb.h>
 339 #include <netinet/in.h>
 340 #ifdef  HAVE_ARPA_INET_H
 341 #include <arpa/inet.h>
 342 #endif  /* HAVE_ARPA_INET_H */
 343
 344 int main(void)
 345 {
 346         struct sockaddr s;
 347         socket(AF_INET, SOCK_STREAM, 0);
 348         connect(0, &s, 0);
 349         gethostbyname("foo");
 350         return 0;
 351 }
 352 !
 353
 354 WANT_SOCKET=1
 355 <$tmp2.c link_check sockets 'for socket functionality in libc' \
 356                 '#define HAVE_SOCKETS' ||
 357         <$tmp2.c link_check sockets 'for socket functionality in libnsl' \
 358                         '#define HAVE_SOCKETS' '-lnsl' ||
 359                 <$tmp2.c link_check sockets \
 360                         'for socket functionality in libsocket and libnsl' \
 361                         '#define HAVE_SOCKETS' '-lsocket -lnsl' ||
 362                 WANT_SOCKET=0
 363
 364 #link_check ipv6 'for IPv6 functionality' '#define HAVE_IPv6_FUNCS' <<\!
 365 ##include "config.h"
 366 ##include <sys/types.h>
 367 ##include <sys/socket.h>
 368 ##include <netdb.h>
 369 ##include <netinet/in.h>
 370 ##ifdef HAVE_ARPA_INET_H
 371 ##include <arpa/inet.h>
 372 ##endif /* HAVE_ARPA_INET_H */
 373 #
 374 #int main(void)
 375 #{
 376 #       struct addrinfo a, *ap;
 377 #       getaddrinfo("foo", "0", &a, &ap);
 378 #       return 0;
 379 #}
 380 #!
 381
 382         [ ${WANT_SOCKET} -eq 1 ] ||
 383                 WANT_IMAP=0 WANT_POP3=0 WANT_SMTP=0 WANT_SSL=0 WANT_GSSAPI=0
 384         if wantfeat IMAP; then
 385                 echo "#define USE_IMAP" >> $out
 386         else
 387                 echo "/* #define USE_IMAP */" >> $out
 388         fi
 389         if wantfeat POP3; then
 390                 echo "#define USE_POP3" >>$out
 391         else
 392                 echo "/* #define USE_POP3 */" >> $out
 393         fi
 394         if wantfeat SMTP; then
 395                 echo "#define USE_SMTP" >>$out
 396         else
 397                 echo "/* #define USE_SMTP */" >> $out
 398         fi
 399 else
 400         echo '/* Socket (IMAP/POP3/SMTP) support not configured */' >> $out
 401         WANT_IMAP=0 WANT_POP3=0 WANT_SMTP=0 WANT_SSL=0 WANT_GSSAPI=0
 402 fi # wantfeat SOCKET
 403 if wantfeat SSL; then
 404
 405 link_check nss 'for Network Security Services (NSS)' '#define USE_SSL
 406 #define USE_NSS' '-lsmime3 -lnss3 -lssl3 -lnspr4 -lplc4' <<\! || \
 407                 link_check openssl 'for sufficiently recent OpenSSL' \
 408                         '#define USE_SSL
 409 #define USE_OPENSSL' '-lssl -lcrypto' <<\%
 410 #include <nss.h>
 411 #include <ssl.h>
 412 #include <prinit.h>
 413 #include <prmem.h>
 414 #include <pk11func.h>
 415 #include <prtypes.h>
 416 #include <prerror.h>
 417 #include <secerr.h>
 418 #include <smime.h>
 419 #include <ciferfam.h>
 420 #include <private/pprio.h>
 421
 422 int main(void)
 423 {
 424         PR_ImportTCPSocket(0);
 425         NSS_CMSSignerInfo_AddSMIMECaps(0);
 426         return 0;
 427 }
 428 !
 429 #include <openssl/ssl.h>
 430 #include <openssl/err.h>
 431 #include <openssl/x509v3.h>
 432 #include <openssl/x509.h>
 433 #include <openssl/rand.h>
 434
 435 int main(void)
 436 {
 437         SSLv23_client_method();
 438         PEM_read_PrivateKey(0, 0, 0, 0);
 439         return 0;
 440 }
 441 %
 442 if test x$have_nss = xyes
 443 then
 444         compile_check genname_h 'for genname.h' '#define HAVE_GENNAME_H' <<\!
 445 #include <genname.h>
 446 !
 447         compile_check xconst_h 'for xconst.h' '#define HAVE_XCONST_H' <<\!
 448 #include <xconst.h>
 449 !
 450         compile_check CERTAltNameEncodedContext \
 451                 'for CERTAltNameEncodedContext type' \
 452                 '#define HAVE_CERTAltNameEncodedContext' <<\!
 453 #include "config.h"
 454 #include <nss.h>
 455 #include <ssl.h>
 456 #include <prinit.h>
 457 #include <prmem.h>
 458 #include <pk11func.h>
 459 #include <prtypes.h>
 460 #include <prerror.h>
 461 #include <secerr.h>
 462 #include <smime.h>
 463 #include <ciferfam.h>
 464 #ifdef HAVE_XCONST_H
 465 #include <xconst.h>
 466 #endif
 467 #ifdef HAVE_GENNAME_H
 468 #include <genname.h>
 469 #endif
 470 #include <private/pprio.h>
 471
 472 CERTAltNameEncodedContext       foo;
 473 !
 474 fi
 475
 476 if test x$have_openssl = xyes
 477 then
 478         compile_check stack_of 'for STACK_OF()' '#define HAVE_STACK_OF' <<\!
 479 #include <openssl/ssl.h>
 480 #include <openssl/err.h>
 481 #include <openssl/x509v3.h>
 482 #include <openssl/x509.h>
 483 #include <openssl/rand.h>
 484
 485 int main(void)
 486 {
 487         STACK_OF(GENERAL_NAME)  *gens = NULL;
 488         printf("%p", gens);     /* to make it used */
 489         SSLv23_client_method();
 490         PEM_read_PrivateKey(0, 0, 0, 0);
 491         return 0;
 492 }
 493 !
 494 fi
 495
 496 else
 497         echo '/* Socket/SSL support not configured */' >> $out
 498 fi # wantfeat SSL
 499 if wantfeat GSSAPI; then
 500
 501 cat >$tmp2.c <<\!
 502 #include <gssapi/gssapi.h>
 503
 504 int main(void)
 505 {
 506         gss_import_name(0, 0, GSS_C_NT_HOSTBASED_SERVICE, 0);
 507         gss_init_sec_context(0,0,0,0,0,0,0,0,0,0,0,0,0);
 508         return 0;
 509 }
 510 !
 511
 512 sed -e '1s/gssapi\///' < $tmp2.c > $tmp3.c
 513
 514 <$tmp2.c link_check gssapi 'for GSSAPI in libgss' \
 515                 '#define USE_GSSAPI' '-lgss' ||
 516         <$tmp2.c link_check gssapi 'for GSSAPI in libgssapi_krb5' \
 517                         '#define USE_GSSAPI' '-lgssapi_krb5' ||
 518                 link_check gssapi 'for GSSAPI in libgssapi_krb5, old-style' \
 519                                 '#define USE_GSSAPI
 520 #define GSSAPI_OLD_STYLE' '-lgssapi_krb5' <<\! || \
 521                         <$tmp3.c link_check gssapi 'for GSSAPI in libgssapi' \
 522                                 '#define USE_GSSAPI
 523 #define GSSAPI_REG_INCLUDE' '-lgssapi' || \
 524                         <$tmp3.c link_check gssapi \
 525                                 'for GSSAPI in libgssapi, OpenBSD-style' \
 526                                 '#define USE_GSSAPI
 527 #define GSSAPI_REG_INCLUDE' \
 528                 '-lgssapi -lkrb5 -lcrypto' '-I/usr/include/kerberosV'
 529
 530 #include <gssapi/gssapi.h>
 531 #include <gssapi/gssapi_generic.h>
 532
 533 int main(void)
 534 {
 535         gss_import_name(0, 0, gss_nt_service_name, 0);
 536         gss_init_sec_context(0,0,0,0,0,0,0,0,0,0,0,0,0);
 537         return 0;
 538 }
 539 !
 540
 541 else
 542         echo '/* IMAP/GSSAPI support not configured */' >> $out
 543 fi # wantfeat GSSAPI
 544
 545 if wantfeat JUNK; then
 546         echo "#define USE_JUNK" >>$out
 547 else
 548         echo "/* #define USE_JUNK */" >> $out
 549 fi
 550
 551 cat >$tmp2.c <<\!
 552 #include "config.h"
 553 #ifdef HAVE_NL_LANGINFO
 554 #include <langinfo.h>
 555 #endif
 556 :
 557 :The following optional features are enabled:
 558 #ifdef  HAVE_SETLOCALE
 559 : + Locale support: Printable characters depend on the environment
 560 #if defined (HAVE_MBTOWC) && defined (HAVE_WCTYPE_H)
 561 : + Multibyte character support
 562 #endif
 563 #endif  /* HAVE_SETLOCALE */
 564 #ifdef  HAVE_ICONV
 565 : + Character set conversion using iconv()
 566 #endif
 567 #if defined (HAVE_SETLOCALE) && defined (HAVE_NL_LANGINFO) && defined (CODESET)
 568 : + Automatic detection of terminal character set
 569 #endif
 570 #ifdef  HAVE_SOCKETS
 571 # if defined USE_IMAP && defined USE_POP3 && defined USE_SMTP
 572 : + Networking support (IMAP, POP3, and SMTP)
 573 # else
 574 #  ifdef USE_IMAP
 575 : + Networking support (IMAP)
 576 #  endif
 577 #  ifdef USE_POP3
 578 : + Networking support (POP3)
 579 #  endif
 580 #  ifdef USE_SMTP
 581 : + Networking support (SMTP)
 582 #  endif
 583 # endif
 584 #endif
 585 #ifdef  USE_GSSAPI
 586 : + IMAP GSSAPI authentication
 587 #endif
 588 #if defined (USE_NSS)
 589 : + S/MIME and SSL/TLS using Network Security Services (NSS)
 590 #endif
 591 #if defined (USE_OPENSSL)
 592 : + S/MIME and SSL/TLS using OpenSSL
 593 #endif
 594 #ifdef USE_JUNK
 595 : + Gunnar Ritter's junk-mail management
 596 #endif
 597 :
 598 :The following optional features are disabled:
 599 #ifndef HAVE_SETLOCALE
 600 : - Locale support: Only ASCII characters are recognized
 601 #endif
 602 #if !defined (HAVE_SETLOCALE) || !defined (HAVE_MBTOWC) || \
 603         !defined (HAVE_WCTYPE_H)
 604 : - Multibyte character support
 605 #endif
 606 #ifndef HAVE_ICONV
 607 : - Character set conversion using iconv()
 608 #endif
 609 #if !defined (HAVE_SETLOCALE) || !defined (HAVE_NL_LANGINFO) || \
 610         !defined (CODESET)
 611 : - Automatic detection of terminal character set
 612 #endif
 613 #ifndef HAVE_SOCKETS
 614 : - Networking support (IMAP, POP3, and SMTP)
 615 #else
 616 # ifndef USE_IMAP
 617 : - Networking support (IMAP)
 618 # endif
 619 # ifndef USE_POP3
 620 : - Networking support (POP3)
 621 # endif
 622 # ifndef USE_SMTP
 623 : - Networking support (SMTP)
 624 # endif
 625 #endif
 626 #ifndef USE_GSSAPI
 627 : - IMAP GSSAPI authentication
 628 #endif
 629 #ifndef USE_SSL
 630 : - SSL/TLS (network transport authentication and encryption)
 631 #endif
 632 #ifndef USE_JUNK
 633 : - Gunnar Ritter's junk-mail management
 634 #endif
 635 :
 636 :Remarks:
 637 #ifndef HAVE_SNPRINTF
 638 : * The function snprintf() could not be found. mailx will be compiled to use
 639 : sprintf() instead. This might overflow buffers if input values are larger
 640 : than expected. Use the resulting binary with care or update your system
 641 : environment and start the configuration process again.
 642 #endif
 643 #ifndef HAVE_FCHDIR
 644 : * The function fchdir() could not be found. mailx will be compiled to use
 645 : chdir() instead. This is not a problem unless the current working
 646 : directory of mailx is moved while the IMAP cache is used.
 647 #endif
 648 :
 649 !
 650
 651 (hash cc) && cc -E $tmp2.c | sed '/^[^:]/d; /^$/d; s/^://' >&5
 652
 653 exit 0