1 #!/bin/sh 2 srcversion='$MirOS: src/bin/mksh/Build.sh,v 1.669 2014/10/07 15:22:12 tg Exp $' 3 #- 4 # Copyright (c) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 5 # 2011, 2012, 2013, 2014 6 # Thorsten Glaser <tg (at] mirbsd.org> 7 # 8 # Provided that these terms and disclaimer and all copyright notices 9 # are retained or reproduced in an accompanying document, permission 10 # is granted to deal in this work without restriction, including un- 11 # limited rights to use, publicly perform, distribute, sell, modify, 12 # merge, give away, or sublicence. 13 # 14 # This work is provided "AS IS" and WITHOUT WARRANTY of any kind, to 15 # the utmost extent permitted by applicable law, neither express nor 16 # implied; without malicious intent or gross negligence. In no event 17 # may a licensor, author or contributor be held liable for indirect, 18 # direct, other damage, loss, or other issues arising in any way out 19 # of dealing in the work, even if advised of the possibility of such 20 # damage or existence of a defect, except proven that it results out 21 # of said person's immediate fault when using the work as intended. 22 #- 23 # People analysing the output must whitelist conftest.c for any kind 24 # of compiler warning checks (mirtoconf is by design not quiet). 25 # 26 # Used environment documentation is at the end of this file. 27 28 LC_ALL=C 29 export LC_ALL 30 31 case $ZSH_VERSION:$VERSION in 32 :zsh*) ZSH_VERSION=2 ;; 33 esac 34 35 if test -n "${ZSH_VERSION+x}" && (emulate sh) >/dev/null 2>&1; then 36 emulate sh 37 NULLCMD=: 38 fi 39 40 if test -d /usr/xpg4/bin/. >/dev/null 2>&1; then 41 # Solaris: some of the tools have weird behaviour, use portable ones 42 PATH=/usr/xpg4/bin:$PATH 43 export PATH 44 fi 45 46 nl=' 47 ' 48 safeIFS=' ' 49 safeIFS=" $safeIFS$nl" 50 IFS=$safeIFS 51 allu=QWERTYUIOPASDFGHJKLZXCVBNM 52 alll=qwertyuiopasdfghjklzxcvbnm 53 alln=0123456789 54 alls=______________________________________________________________ 55 56 genopt_die() { 57 if test -n "$1"; then 58 echo >&2 "E: $*" 59 echo >&2 "E: in '$srcfile': '$line'" 60 else 61 echo >&2 "E: invalid input in '$srcfile': '$line'" 62 fi 63 rm -f "$bn.gen" 64 exit 1 65 } 66 67 genopt_soptc() { 68 optc=`echo "$line" | sed 's/^[<>]\(.\).*$/\1/'` 69 test x"$optc" = x'|' && return 70 optclo=`echo "$optc" | tr $allu $alll` 71 if test x"$optc" = x"$optclo"; then 72 islo=1 73 else 74 islo=0 75 fi 76 sym=`echo "$line" | sed 's/^[<>]/|/'` 77 o_str=$o_str$nl"<$optclo$islo$sym" 78 } 79 80 genopt_scond() { 81 case x$cond in 82 x) 83 cond= 84 ;; 85 x*' '*) 86 cond=`echo "$cond" | sed 's/^ //'` 87 cond="#if $cond" 88 ;; 89 x'!'*) 90 cond=`echo "$cond" | sed 's/^!//'` 91 cond="#ifndef $cond" 92 ;; 93 x*) 94 cond="#ifdef $cond" 95 ;; 96 esac 97 } 98 99 do_genopt() { 100 srcfile=$1 101 test -f "$srcfile" || genopt_die Source file \$srcfile not set. 102 bn=`basename "$srcfile" | sed 's/.opt$//'` 103 o_gen= 104 o_str= 105 o_sym= 106 ddefs= 107 state=0 108 exec <"$srcfile" 109 IFS= 110 while IFS= read line; do 111 IFS=$safeIFS 112 case $state:$line in 113 2:'|'*) 114 # end of input 115 o_sym=`echo "$line" | sed 's/^.//'` 116 o_gen=$o_gen$nl"#undef F0" 117 o_gen=$o_gen$nl"#undef FN" 118 o_gen=$o_gen$ddefs 119 state=3 120 ;; 121 1:@@) 122 # begin of data block 123 o_gen=$o_gen$nl"#endif" 124 o_gen=$o_gen$nl"#ifndef F0" 125 o_gen=$o_gen$nl"#define F0 FN" 126 o_gen=$o_gen$nl"#endif" 127 state=2 128 ;; 129 *:@@*) 130 genopt_die ;; 131 0:@*|1:@*) 132 # begin of a definition block 133 sym=`echo "$line" | sed 's/^@//'` 134 if test $state = 0; then 135 o_gen=$o_gen$nl"#if defined($sym)" 136 else 137 o_gen=$o_gen$nl"#elif defined($sym)" 138 fi 139 ddefs="$ddefs$nl#undef $sym" 140 state=1 141 ;; 142 0:*|3:*) 143 genopt_die ;; 144 1:*) 145 # definition line 146 o_gen=$o_gen$nl$line 147 ;; 148 2:'<'*'|'*) 149 genopt_soptc 150 ;; 151 2:'>'*'|'*) 152 genopt_soptc 153 cond=`echo "$line" | sed 's/^[^|]*|//'` 154 genopt_scond 155 case $optc in 156 '|') optc=0 ;; 157 *) optc=\'$optc\' ;; 158 esac 159 IFS= read line || genopt_die Unexpected EOF 160 IFS=$safeIFS 161 test -n "$cond" && o_gen=$o_gen$nl"$cond" 162 o_gen=$o_gen$nl"$line, $optc)" 163 test -n "$cond" && o_gen=$o_gen$nl"#endif" 164 ;; 165 esac 166 done 167 case $state:$o_sym in 168 3:) genopt_die Expected optc sym at EOF ;; 169 3:*) ;; 170 *) genopt_die Missing EOF marker ;; 171 esac 172 echo "$o_str" | sort | while IFS='|' read x opts cond; do 173 IFS=$safeIFS 174 test -n "$x" || continue 175 genopt_scond 176 test -n "$cond" && echo "$cond" 177 echo "\"$opts\"" 178 test -n "$cond" && echo "#endif" 179 done | { 180 echo "#ifndef $o_sym$o_gen" 181 echo "#else" 182 cat 183 echo "#undef $o_sym" 184 echo "#endif" 185 } >"$bn.gen" 186 IFS=$safeIFS 187 return 0 188 } 189 190 if test x"$BUILDSH_RUN_GENOPT" = x"1"; then 191 set x -G "$srcfile" 192 shift 193 fi 194 if test x"$1" = x"-G"; then 195 do_genopt "$2" 196 exit $? 197 fi 198 199 echo "For the build logs, demonstrate that /dev/null and /dev/tty exist:" 200 ls -l /dev/null /dev/tty 201 202 v() { 203 $e "$*" 204 eval "$@" 205 } 206 207 vv() { 208 _c=$1 209 shift 210 $e "\$ $*" 2>&1 211 eval "$@" >vv.out 2>&1 212 sed "s^${_c} " <vv.out 213 } 214 215 vq() { 216 eval "$@" 217 } 218 219 rmf() { 220 for _f in "$@"; do 221 case $_f in 222 Build.sh|check.pl|check.t|dot.mkshrc|*.1|*.c|*.h|*.ico|*.opt) ;; 223 *) rm -f "$_f" ;; 224 esac 225 done 226 } 227 228 tcfn=no 229 bi= 230 ui= 231 ao= 232 fx= 233 me=`basename "$0"` 234 orig_CFLAGS=$CFLAGS 235 phase=x 236 oldish_ed=stdout-ed,no-stderr-ed 237 238 if test -t 1; then 239 bi='[1m' 240 ui='[4m' 241 ao='[0m' 242 fi 243 244 upper() { 245 echo :"$@" | sed 's/^://' | tr $alll $allu 246 } 247 248 # clean up after ac_testrun() 249 ac_testdone() { 250 eval HAVE_$fu=$fv 251 fr=no 252 test 0 = $fv || fr=yes 253 $e "$bi==> $fd...$ao $ui$fr$ao$fx" 254 fx= 255 } 256 257 # ac_cache label: sets f, fu, fv?=0 258 ac_cache() { 259 f=$1 260 fu=`upper $f` 261 eval fv=\$HAVE_$fu 262 case $fv in 263 0|1) 264 fx=' (cached)' 265 return 0 266 ;; 267 esac 268 fv=0 269 return 1 270 } 271 272 # ac_testinit label [!] checkif[!]0 [setlabelifcheckis[!]0] useroutput 273 # returns 1 if value was cached/implied, 0 otherwise: call ac_testdone 274 ac_testinit() { 275 if ac_cache $1; then 276 test x"$2" = x"!" && shift 277 test x"$2" = x"" || shift 278 fd=${3-$f} 279 ac_testdone 280 return 1 281 fi 282 fc=0 283 if test x"$2" = x""; then 284 ft=1 285 else 286 if test x"$2" = x"!"; then 287 fc=1 288 shift 289 fi 290 eval ft=\$HAVE_`upper $2` 291 shift 292 fi 293 fd=${3-$f} 294 if test $fc = "$ft"; then 295 fv=$2 296 fx=' (implied)' 297 ac_testdone 298 return 1 299 fi 300 $e ... $fd 301 return 0 302 } 303 304 # pipe .c | ac_test[n] [!] label [!] checkif[!]0 [setlabelifcheckis[!]0] useroutput 305 ac_testnnd() { 306 if test x"$1" = x"!"; then 307 fr=1 308 shift 309 else 310 fr=0 311 fi 312 ac_testinit "$@" || return 1 313 cat >conftest.c 314 vv ']' "$CC $CFLAGS $CPPFLAGS $LDFLAGS $NOWARN conftest.c $LIBS $ccpr" 315 test $tcfn = no && test -f a.out && tcfn=a.out 316 test $tcfn = no && test -f a.exe && tcfn=a.exe 317 test $tcfn = no && test -f conftest && tcfn=conftest 318 if test -f $tcfn; then 319 test 1 = $fr || fv=1 320 else 321 test 0 = $fr || fv=1 322 fi 323 vscan= 324 if test $phase = u; then 325 test $ct = gcc && vscan='unrecogni[sz]ed' 326 test $ct = hpcc && vscan='unsupported' 327 test $ct = pcc && vscan='unsupported' 328 test $ct = sunpro && vscan='-e ignored -e turned.off' 329 fi 330 test -n "$vscan" && grep $vscan vv.out >/dev/null 2>&1 && fv=$fr 331 return 0 332 } 333 ac_testn() { 334 ac_testnnd "$@" || return 335 rmf conftest.c conftest.o ${tcfn}* vv.out 336 ac_testdone 337 } 338 339 # ac_ifcpp cppexpr [!] label [!] checkif[!]0 [setlabelifcheckis[!]0] useroutput 340 ac_ifcpp() { 341 expr=$1; shift 342 ac_testn "$@" <<-EOF 343 #include <unistd.h> 344 extern int thiswillneverbedefinedIhope(void); 345 int main(void) { return (isatty(0) + 346 #$expr 347 0 348 #else 349 /* force a failure: expr is false */ 350 thiswillneverbedefinedIhope() 351 #endif 352 ); } 353 EOF 354 test x"$1" = x"!" && shift 355 f=$1 356 fu=`upper $f` 357 eval fv=\$HAVE_$fu 358 test x"$fv" = x"1" 359 } 360 361 add_cppflags() { 362 CPPFLAGS="$CPPFLAGS $*" 363 } 364 365 ac_cppflags() { 366 test x"$1" = x"" || fu=$1 367 fv=$2 368 test x"$2" = x"" && eval fv=\$HAVE_$fu 369 add_cppflags -DHAVE_$fu=$fv 370 } 371 372 ac_test() { 373 ac_testn "$@" 374 ac_cppflags 375 } 376 377 # ac_flags [-] add varname cflags [text] [ldflags] 378 ac_flags() { 379 if test x"$1" = x"-"; then 380 shift 381 hf=1 382 else 383 hf=0 384 fi 385 fa=$1 386 vn=$2 387 f=$3 388 ft=$4 389 fl=$5 390 test x"$ft" = x"" && ft="if $f can be used" 391 save_CFLAGS=$CFLAGS 392 CFLAGS="$CFLAGS $f" 393 if test -n "$fl"; then 394 save_LDFLAGS=$LDFLAGS 395 LDFLAGS="$LDFLAGS $fl" 396 fi 397 if test 1 = $hf; then 398 ac_testn can_$vn '' "$ft" 399 else 400 ac_testn can_$vn '' "$ft" <<-'EOF' 401 /* evil apo'stroph in comment test */ 402 #include <unistd.h> 403 int main(void) { return (isatty(0)); } 404 EOF 405 fi 406 eval fv=\$HAVE_CAN_`upper $vn` 407 if test -n "$fl"; then 408 test 11 = $fa$fv || LDFLAGS=$save_LDFLAGS 409 fi 410 test 11 = $fa$fv || CFLAGS=$save_CFLAGS 411 } 412 413 # ac_header [!] header [prereq ...] 414 ac_header() { 415 if test x"$1" = x"!"; then 416 na=1 417 shift 418 else 419 na=0 420 fi 421 hf=$1; shift 422 hv=`echo "$hf" | tr -d '\012\015' | tr -c $alll$allu$alln $alls` 423 echo "/* NeXTstep bug workaround */" >x 424 for i 425 do 426 case $i in 427 _time) 428 echo '#if HAVE_BOTH_TIME_H' >>x 429 echo '#include <sys/time.h>' >>x 430 echo '#include <time.h>' >>x 431 echo '#elif HAVE_SYS_TIME_H' >>x 432 echo '#include <sys/time.h>' >>x 433 echo '#elif HAVE_TIME_H' >>x 434 echo '#include <time.h>' >>x 435 echo '#endif' >>x 436 ;; 437 *) 438 echo "#include <$i>" >>x 439 ;; 440 esac 441 done 442 echo "#include <$hf>" >>x 443 echo '#include <unistd.h>' >>x 444 echo 'int main(void) { return (isatty(0)); }' >>x 445 ac_testn "$hv" "" "<$hf>" <x 446 rmf x 447 test 1 = $na || ac_cppflags 448 } 449 450 addsrcs() { 451 if test x"$1" = x"!"; then 452 fr=0 453 shift 454 else 455 fr=1 456 fi 457 eval i=\$$1 458 test $fr = "$i" && case " $SRCS " in 459 *\ $2\ *) ;; 460 *) SRCS="$SRCS $2" ;; 461 esac 462 } 463 464 465 curdir=`pwd` srcdir=`dirname "$0" 2>/dev/null` 466 case x$srcdir in 467 x) 468 srcdir=. 469 ;; 470 *\ *|*" "*|*"$nl"*) 471 echo >&2 Source directory should not contain space or tab or newline. 472 echo >&2 Errors may occur. 473 ;; 474 *"'"*) 475 echo Source directory must not contain single quotes. 476 exit 1 477 ;; 478 esac 479 dstversion=`sed -n '/define MKSH_VERSION/s/^.*"\([^"]*\)".*$/\1/p' "$srcdir/sh.h"` 480 add_cppflags -DMKSH_BUILDSH 481 482 e=echo 483 r=0 484 eq=0 485 pm=0 486 cm=normal 487 optflags=-std-compile-opts 488 check_categories= 489 last= 490 tfn= 491 legacy=0 492 493 for i 494 do 495 case $last:$i in 496 c:combine|c:dragonegg|c:llvm|c:lto) 497 cm=$i 498 last= 499 ;; 500 c:*) 501 echo "$me: Unknown option -c '$i'!" >&2 502 exit 1 503 ;; 504 o:*) 505 optflags=$i 506 last= 507 ;; 508 t:*) 509 tfn=$i 510 last= 511 ;; 512 :-c) 513 last=c 514 ;; 515 :-G) 516 echo "$me: Do not call me with '-G'!" >&2 517 exit 1 518 ;; 519 :-g) 520 # checker, debug, valgrind build 521 add_cppflags -DDEBUG 522 CFLAGS="$CFLAGS -g3 -fno-builtin" 523 ;; 524 :-j) 525 pm=1 526 ;; 527 :-L) 528 legacy=1 529 ;; 530 :+L) 531 legacy=0 532 ;; 533 :-M) 534 cm=makefile 535 ;; 536 :-O) 537 optflags=-std-compile-opts 538 ;; 539 :-o) 540 last=o 541 ;; 542 :-Q) 543 eq=1 544 ;; 545 :-r) 546 r=1 547 ;; 548 :-t) 549 last=t 550 ;; 551 :-v) 552 echo "Build.sh $srcversion" 553 echo "for mksh $dstversion" 554 exit 0 555 ;; 556 :*) 557 echo "$me: Unknown option '$i'!" >&2 558 exit 1 559 ;; 560 *) 561 echo "$me: Unknown option -'$last' '$i'!" >&2 562 exit 1 563 ;; 564 esac 565 done 566 if test -n "$last"; then 567 echo "$me: Option -'$last' not followed by argument!" >&2 568 exit 1 569 fi 570 571 test -z "$tfn" && if test $legacy = 0; then 572 tfn=mksh 573 else 574 tfn=lksh 575 fi 576 if test -d $tfn || test -d $tfn.exe; then 577 echo "$me: Error: ./$tfn is a directory!" >&2 578 exit 1 579 fi 580 rmf a.exe* a.out* conftest.c *core core.* lft ${tfn}* no *.bc *.ll *.o *.gen \ 581 Rebuild.sh signames.inc test.sh x vv.out 582 583 SRCS="lalloc.c eval.c exec.c expr.c funcs.c histrap.c jobs.c" 584 SRCS="$SRCS lex.c main.c misc.c shf.c syn.c tree.c var.c" 585 586 if test $legacy = 0; then 587 SRCS="$SRCS edit.c" 588 check_categories="$check_categories shell:legacy-no int:32" 589 else 590 check_categories="$check_categories shell:legacy-yes" 591 add_cppflags -DMKSH_LEGACY_MODE 592 HAVE_PERSISTENT_HISTORY=0 593 HAVE_ISSET_MKSH_CONSERVATIVE_FDS=1 # from sh.h 594 fi 595 596 if test x"$srcdir" = x"."; then 597 CPPFLAGS="-I. $CPPFLAGS" 598 else 599 CPPFLAGS="-I. -I'$srcdir' $CPPFLAGS" 600 fi 601 test -n "$LDSTATIC" && if test -n "$LDFLAGS"; then 602 LDFLAGS="$LDFLAGS $LDSTATIC" 603 else 604 LDFLAGS=$LDSTATIC 605 fi 606 607 if test -z "$TARGET_OS"; then 608 x=`uname -s 2>/dev/null || uname` 609 test x"$x" = x"`uname -n 2>/dev/null`" || TARGET_OS=$x 610 fi 611 if test -z "$TARGET_OS"; then 612 echo "$me: Set TARGET_OS, your uname is broken!" >&2 613 exit 1 614 fi 615 oswarn= 616 ccpc=-Wc, 617 ccpl=-Wl, 618 tsts= 619 ccpr='|| for _f in ${tcfn}*; do case $_f in Build.sh|check.pl|check.t|dot.mkshrc|*.1|*.c|*.h|*.ico|*.opt) ;; *) rm -f "$_f" ;; esac; done' 620 621 # Evil hack 622 if test x"$TARGET_OS" = x"Android"; then 623 check_categories="$check_categories android" 624 TARGET_OS=Linux 625 fi 626 627 # Evil OS 628 if test x"$TARGET_OS" = x"Minix"; then 629 echo >&2 " 630 WARNING: additional checks before running Build.sh required! 631 You can avoid these by calling Build.sh correctly, see below. 632 " 633 cat >conftest.c <<'EOF' 634 #include <sys/types.h> 635 const char * 636 #ifdef _NETBSD_SOURCE 637 ct="Ninix3" 638 #else 639 ct="Minix3" 640 #endif 641 ; 642 EOF 643 ct=unknown 644 vv ']' "${CC-cc} -E $CFLAGS $CPPFLAGS $NOWARN conftest.c | grep ct= | tr -d \\\\015 >x" 645 sed 's/^/[ /' x 646 eval `cat x` 647 rmf x vv.out 648 case $ct in 649 Minix3|Ninix3) 650 echo >&2 " 651 Warning: you set TARGET_OS to $TARGET_OS but that is ambiguous. 652 Please set it to either Minix3 or Ninix3, whereas the latter is 653 all versions of Minix with even partial NetBSD(R) userland. The 654 value determined from your compiler for the current compilation 655 (which may be wrong) is: $ct 656 " 657 TARGET_OS=$ct 658 ;; 659 *) 660 echo >&2 " 661 Warning: you set TARGET_OS to $TARGET_OS but that is ambiguous. 662 Please set it to either Minix3 or Ninix3, whereas the latter is 663 all versions of Minix with even partial NetBSD(R) userland. The 664 proper value couldn't be determined, continue at your own risk. 665 " 666 ;; 667 esac 668 fi 669 670 # Configuration depending on OS revision, on OSes that need them 671 case $TARGET_OS in 672 NEXTSTEP) 673 test x"$TARGET_OSREV" = x"" && TARGET_OSREV=`hostinfo 2>&1 | \ 674 grep 'NeXT Mach [0-9][0-9.]*:' | \ 675 sed 's/^.*NeXT Mach \([0-9][0-9.]*\):.*$/\1/'` 676 ;; 677 QNX|SCO_SV) 678 test x"$TARGET_OSREV" = x"" && TARGET_OSREV=`uname -r` 679 ;; 680 esac 681 682 # Configuration depending on OS name 683 case $TARGET_OS in 684 386BSD) 685 : ${HAVE_CAN_OTWO=0} 686 add_cppflags -DMKSH_NO_SIGSETJMP 687 add_cppflags -DMKSH_TYPEDEF_SIG_ATOMIC_T=int 688 add_cppflags -DMKSH_CONSERVATIVE_FDS 689 ;; 690 AIX) 691 add_cppflags -D_ALL_SOURCE 692 : ${HAVE_SETLOCALE_CTYPE=0} 693 ;; 694 BeOS) 695 case $KSH_VERSION in 696 *MIRBSD\ KSH*) 697 oswarn="; it has minor issues" 698 ;; 699 *) 700 oswarn="; you must recompile mksh with" 701 oswarn="$oswarn${nl}itself in a second stage" 702 ;; 703 esac 704 # BeOS has no real tty either 705 add_cppflags -DMKSH_UNEMPLOYED 706 add_cppflags -DMKSH_DISABLE_TTY_WARNING 707 # BeOS doesn't have different UIDs and GIDs 708 add_cppflags -DMKSH__NO_SETEUGID 709 ;; 710 BSD/OS) 711 : ${HAVE_SETLOCALE_CTYPE=0} 712 ;; 713 Coherent) 714 oswarn="; it has major issues" 715 add_cppflags -DMKSH__NO_SYMLINK 716 check_categories="$check_categories nosymlink" 717 add_cppflags -DMKSH__NO_SETEUGID 718 add_cppflags -DMKSH_CONSERVATIVE_FDS 719 add_cppflags -DMKSH_DISABLE_TTY_WARNING 720 ;; 721 CYGWIN*) 722 : ${HAVE_SETLOCALE_CTYPE=0} 723 ;; 724 Darwin) 725 add_cppflags -D_DARWIN_C_SOURCE 726 ;; 727 DragonFly) 728 ;; 729 FreeBSD) 730 ;; 731 FreeMiNT) 732 oswarn="; it has minor issues" 733 add_cppflags -D_GNU_SOURCE 734 add_cppflags -DMKSH_CONSERVATIVE_FDS 735 : ${HAVE_SETLOCALE_CTYPE=0} 736 ;; 737 GNU) 738 case $CC in 739 *tendracc*) ;; 740 *) add_cppflags -D_GNU_SOURCE ;; 741 esac 742 # define MKSH__NO_PATH_MAX to use Hurd-only functions 743 add_cppflags -DMKSH__NO_PATH_MAX 744 ;; 745 GNU/kFreeBSD) 746 case $CC in 747 *tendracc*) ;; 748 *) add_cppflags -D_GNU_SOURCE ;; 749 esac 750 ;; 751 Haiku) 752 add_cppflags -DMKSH_ASSUME_UTF8; HAVE_ISSET_MKSH_ASSUME_UTF8=1 753 ;; 754 HP-UX) 755 ;; 756 Interix) 757 ccpc='-X ' 758 ccpl='-Y ' 759 add_cppflags -D_ALL_SOURCE 760 : ${LIBS='-lcrypt'} 761 : ${HAVE_SETLOCALE_CTYPE=0} 762 ;; 763 IRIX*) 764 : ${HAVE_SETLOCALE_CTYPE=0} 765 ;; 766 Linux) 767 case $CC in 768 *tendracc*) ;; 769 *) add_cppflags -D_GNU_SOURCE ;; 770 esac 771 add_cppflags -DSETUID_CAN_FAIL_WITH_EAGAIN 772 : ${HAVE_REVOKE=0} 773 ;; 774 LynxOS) 775 oswarn="; it has minor issues" 776 ;; 777 MidnightBSD) 778 ;; 779 Minix-vmd) 780 add_cppflags -DMKSH__NO_SETEUGID 781 add_cppflags -DMKSH_UNEMPLOYED 782 add_cppflags -DMKSH_CONSERVATIVE_FDS 783 add_cppflags -D_MINIX_SOURCE 784 oldish_ed=no-stderr-ed # no /bin/ed, maybe see below 785 : ${HAVE_SETLOCALE_CTYPE=0} 786 ;; 787 Minix3) 788 add_cppflags -DMKSH_UNEMPLOYED 789 add_cppflags -DMKSH_CONSERVATIVE_FDS 790 add_cppflags -DMKSH_NO_LIMITS 791 add_cppflags -D_POSIX_SOURCE -D_POSIX_1_SOURCE=2 -D_MINIX 792 oldish_ed=no-stderr-ed # /usr/bin/ed(!) is broken 793 : ${HAVE_SETLOCALE_CTYPE=0} 794 ;; 795 MirBSD) 796 ;; 797 MSYS_*) 798 add_cppflags -DMKSH_ASSUME_UTF8=0; HAVE_ISSET_MKSH_ASSUME_UTF8=1 799 # almost same as CYGWIN* (from RT|Chatzilla) 800 : ${HAVE_SETLOCALE_CTYPE=0} 801 # broken on this OE (from ir0nh34d) 802 : ${HAVE_STDINT_H=0} 803 ;; 804 NetBSD) 805 ;; 806 NEXTSTEP) 807 add_cppflags -D_NEXT_SOURCE 808 add_cppflags -D_POSIX_SOURCE 809 : ${AWK=gawk} ${CC=cc -posix} 810 add_cppflags -DMKSH_NO_SIGSETJMP 811 # NeXTstep cannot get a controlling tty 812 add_cppflags -DMKSH_UNEMPLOYED 813 case $TARGET_OSREV in 814 4.2*) 815 # OpenStep 4.2 is broken by default 816 oswarn="; it needs libposix.a" 817 ;; 818 esac 819 add_cppflags -DMKSH_CONSERVATIVE_FDS 820 ;; 821 Ninix3) 822 # similar to Minix3 823 add_cppflags -DMKSH_UNEMPLOYED 824 add_cppflags -DMKSH_CONSERVATIVE_FDS 825 add_cppflags -DMKSH_NO_LIMITS 826 # but no idea what else could be needed 827 oswarn="; it has unknown issues" 828 ;; 829 OpenBSD) 830 : ${HAVE_SETLOCALE_CTYPE=0} 831 ;; 832 OSF1) 833 HAVE_SIG_T=0 # incompatible 834 add_cppflags -D_OSF_SOURCE 835 add_cppflags -D_POSIX_C_SOURCE=200112L 836 add_cppflags -D_XOPEN_SOURCE=600 837 add_cppflags -D_XOPEN_SOURCE_EXTENDED 838 : ${HAVE_SETLOCALE_CTYPE=0} 839 ;; 840 Plan9) 841 add_cppflags -D_POSIX_SOURCE 842 add_cppflags -D_LIMITS_EXTENSION 843 add_cppflags -D_BSD_EXTENSION 844 add_cppflags -D_SUSV2_SOURCE 845 add_cppflags -DMKSH_ASSUME_UTF8; HAVE_ISSET_MKSH_ASSUME_UTF8=1 846 add_cppflags -DMKSH_NO_CMDLINE_EDITING 847 add_cppflags -DMKSH__NO_SETEUGID 848 oswarn=' and will currently not work' 849 add_cppflags -DMKSH_UNEMPLOYED 850 # this is for detecting kencc 851 add_cppflags -DMKSH_MAYBE_KENCC 852 ;; 853 PW32*) 854 HAVE_SIG_T=0 # incompatible 855 oswarn=' and will currently not work' 856 : ${HAVE_SETLOCALE_CTYPE=0} 857 ;; 858 QNX) 859 add_cppflags -D__NO_EXT_QNX 860 add_cppflags -D__EXT_UNIX_MISC 861 case $TARGET_OSREV in 862 [012345].*|6.[0123].*|6.4.[01]) 863 oldish_ed=no-stderr-ed # oldish /bin/ed is broken 864 ;; 865 esac 866 : ${HAVE_SETLOCALE_CTYPE=0} 867 ;; 868 SCO_SV) 869 case $TARGET_OSREV in 870 3.2*) 871 # SCO OpenServer 5 872 add_cppflags -DMKSH_UNEMPLOYED 873 ;; 874 5*) 875 # SCO OpenServer 6 876 ;; 877 *) 878 oswarn='; this is an unknown version of' 879 oswarn="$oswarn$nl$TARGET_OS ${TARGET_OSREV}, please tell me what to do" 880 ;; 881 esac 882 add_cppflags -DMKSH_CONSERVATIVE_FDS 883 : ${HAVE_SYS_SIGLIST=0} ${HAVE__SYS_SIGLIST=0} 884 ;; 885 skyos) 886 oswarn="; it has minor issues" 887 ;; 888 SunOS) 889 add_cppflags -D_BSD_SOURCE 890 add_cppflags -D__EXTENSIONS__ 891 ;; 892 syllable) 893 add_cppflags -D_GNU_SOURCE 894 add_cppflags -DMKSH_NO_SIGSUSPEND 895 oswarn=' and will currently not work' 896 ;; 897 ULTRIX) 898 : ${CC=cc -YPOSIX} 899 add_cppflags -DMKSH_TYPEDEF_SSIZE_T=int 900 add_cppflags -DMKSH_CONSERVATIVE_FDS 901 : ${HAVE_SETLOCALE_CTYPE=0} 902 ;; 903 UnixWare|UNIX_SV) 904 # SCO UnixWare 905 add_cppflags -DMKSH_CONSERVATIVE_FDS 906 : ${HAVE_SYS_SIGLIST=0} ${HAVE__SYS_SIGLIST=0} 907 ;; 908 UWIN*) 909 ccpc='-Yc,' 910 ccpl='-Yl,' 911 tsts=" 3<>/dev/tty" 912 oswarn="; it will compile, but the target" 913 oswarn="$oswarn${nl}platform itself is very flakey/unreliable" 914 : ${HAVE_SETLOCALE_CTYPE=0} 915 ;; 916 _svr4) 917 # generic target for SVR4 Unix with uname -s = uname -n 918 # this duplicates the * target below 919 oswarn='; it may or may not work' 920 test x"$TARGET_OSREV" = x"" && TARGET_OSREV=`uname -r` 921 ;; 922 *) 923 oswarn='; it may or may not work' 924 test x"$TARGET_OSREV" = x"" && TARGET_OSREV=`uname -r` 925 ;; 926 esac 927 928 : ${HAVE_MKNOD=0} 929 930 : ${AWK=awk} ${CC=cc} ${NROFF=nroff} ${SIZE=size} 931 test 0 = $r && echo | $NROFF -v 2>&1 | grep GNU >/dev/null 2>&1 && \ 932 NROFF="$NROFF -c" 933 934 # this aids me in tracing FTBFSen without access to the buildd 935 $e "Hi from$ao $bi$srcversion$ao on:" 936 case $TARGET_OS in 937 AIX) 938 vv '|' "oslevel >&2" 939 vv '|' "uname -a >&2" 940 ;; 941 Darwin) 942 vv '|' "hwprefs machine_type os_type os_class >&2" 943 vv '|' "sw_vers >&2" 944 vv '|' "system_profiler SPSoftwareDataType SPHardwareDataType >&2" 945 vv '|' "/bin/sh --version >&2" 946 vv '|' "xcodebuild -version >&2" 947 vv '|' "uname -a >&2" 948 vv '|' "sysctl kern.version hw.machine hw.model hw.memsize hw.availcpu hw.cpufrequency hw.byteorder hw.cpu64bit_capable >&2" 949 ;; 950 IRIX*) 951 vv '|' "uname -a >&2" 952 vv '|' "hinv -v >&2" 953 ;; 954 OSF1) 955 vv '|' "uname -a >&2" 956 vv '|' "/usr/sbin/sizer -v >&2" 957 ;; 958 SCO_SV|UnixWare|UNIX_SV) 959 vv '|' "uname -a >&2" 960 vv '|' "uname -X >&2" 961 ;; 962 *) 963 vv '|' "uname -a >&2" 964 ;; 965 esac 966 test -z "$oswarn" || echo >&2 " 967 Warning: mksh has not yet been ported to or tested on your 968 operating system '$TARGET_OS'$oswarn. If you can provide 969 a shell account to the developer, this may improve; please 970 drop us a success or failure notice or even send in diffs. 971 " 972 $e "$bi$me: Building the MirBSD Korn Shell$ao $ui$dstversion$ao on $TARGET_OS ${TARGET_OSREV}..." 973 974 # 975 # Begin of mirtoconf checks 976 # 977 $e $bi$me: Scanning for functions... please ignore any errors.$ao 978 979 # 980 # Compiler: which one? 981 # 982 # notes: 983 # - ICC defines __GNUC__ too 984 # - GCC defines __hpux too 985 # - LLVM+clang defines __GNUC__ too 986 # - nwcc defines __GNUC__ too 987 CPP="$CC -E" 988 $e ... which compiler seems to be used 989 cat >conftest.c <<'EOF' 990 const char * 991 #if defined(__ICC) || defined(__INTEL_COMPILER) 992 ct="icc" 993 #elif defined(__xlC__) || defined(__IBMC__) 994 ct="xlc" 995 #elif defined(__SUNPRO_C) 996 ct="sunpro" 997 #elif defined(__ACK__) 998 ct="ack" 999 #elif defined(__BORLANDC__) 1000 ct="bcc" 1001 #elif defined(__WATCOMC__) 1002 ct="watcom" 1003 #elif defined(__MWERKS__) 1004 ct="metrowerks" 1005 #elif defined(__HP_cc) 1006 ct="hpcc" 1007 #elif defined(__DECC) || (defined(__osf__) && !defined(__GNUC__)) 1008 ct="dec" 1009 #elif defined(__PGI) 1010 ct="pgi" 1011 #elif defined(__DMC__) 1012 ct="dmc" 1013 #elif defined(_MSC_VER) 1014 ct="msc" 1015 #elif defined(__ADSPBLACKFIN__) || defined(__ADSPTS__) || defined(__ADSP21000__) 1016 ct="adsp" 1017 #elif defined(__IAR_SYSTEMS_ICC__) 1018 ct="iar" 1019 #elif defined(SDCC) 1020 ct="sdcc" 1021 #elif defined(__PCC__) 1022 ct="pcc" 1023 #elif defined(__TenDRA__) 1024 ct="tendra" 1025 #elif defined(__TINYC__) 1026 ct="tcc" 1027 #elif defined(__llvm__) && defined(__clang__) 1028 ct="clang" 1029 #elif defined(__NWCC__) 1030 ct="nwcc" 1031 #elif defined(__GNUC__) 1032 ct="gcc" 1033 #elif defined(_COMPILER_VERSION) 1034 ct="mipspro" 1035 #elif defined(__sgi) 1036 ct="mipspro" 1037 #elif defined(__hpux) || defined(__hpua) 1038 ct="hpcc" 1039 #elif defined(__ultrix) 1040 ct="ucode" 1041 #elif defined(__USLC__) 1042 ct="uslc" 1043 #elif defined(__LCC__) 1044 ct="lcc" 1045 #elif defined(MKSH_MAYBE_KENCC) 1046 /* and none of the above matches */ 1047 ct="kencc" 1048 #else 1049 ct="unknown" 1050 #endif 1051 ; 1052 const char * 1053 #if defined(__KLIBC__) 1054 et="klibc" 1055 #else 1056 et="unknown" 1057 #endif 1058 ; 1059 EOF 1060 ct=untested 1061 et=untested 1062 vv ']' "$CPP $CFLAGS $CPPFLAGS $NOWARN conftest.c | \ 1063 sed -n '/^ *[ce]t *= */s/^ *\([ce]t\) *= */\1=/p' | tr -d \\\\015 >x" 1064 sed 's/^/[ /' x 1065 eval `cat x` 1066 rmf x vv.out 1067 cat >conftest.c <<'EOF' 1068 #include <unistd.h> 1069 int main(void) { return (isatty(0)); } 1070 EOF 1071 case $ct in 1072 ack) 1073 # work around "the famous ACK const bug" 1074 CPPFLAGS="-Dconst= $CPPFLAGS" 1075 ;; 1076 adsp) 1077 echo >&2 'Warning: Analog Devices C++ compiler for Blackfin, TigerSHARC 1078 and SHARC (21000) DSPs detected. This compiler has not yet 1079 been tested for compatibility with mksh. Continue at your 1080 own risk, please report success/failure to the developers.' 1081 ;; 1082 bcc) 1083 echo >&2 "Warning: Borland C++ Builder detected. This compiler might 1084 produce broken executables. Continue at your own risk, 1085 please report success/failure to the developers." 1086 ;; 1087 clang) 1088 # does not work with current "ccc" compiler driver 1089 vv '|' "$CC $CFLAGS $CPPFLAGS $LDFLAGS $NOWARN $LIBS -version" 1090 # one of these two works, for now 1091 vv '|' "${CLANG-clang} -version" 1092 vv '|' "${CLANG-clang} --version" 1093 # ensure compiler and linker are in sync unless overridden 1094 case $CCC_CC:$CCC_LD in 1095 :*) ;; 1096 *:) CCC_LD=$CCC_CC; export CCC_LD ;; 1097 esac 1098 ;; 1099 dec) 1100 vv '|' "$CC $CFLAGS $CPPFLAGS $LDFLAGS $NOWARN $LIBS -V" 1101 vv '|' "$CC $CFLAGS $CPPFLAGS $LDFLAGS $NOWARN -Wl,-V conftest.c $LIBS" 1102 ;; 1103 dmc) 1104 echo >&2 "Warning: Digital Mars Compiler detected. When running under" 1105 echo >&2 " UWIN, mksh tends to be unstable due to the limitations" 1106 echo >&2 " of this platform. Continue at your own risk," 1107 echo >&2 " please report success/failure to the developers." 1108 ;; 1109 gcc) 1110 vv '|' "$CC $CFLAGS $CPPFLAGS $LDFLAGS $NOWARN -v conftest.c $LIBS" 1111 vv '|' 'echo `$CC $CFLAGS $CPPFLAGS $LDFLAGS $NOWARN $LIBS \ 1112 -dumpmachine` gcc`$CC $CFLAGS $CPPFLAGS $LDFLAGS $NOWARN \ 1113 $LIBS -dumpversion`' 1114 ;; 1115 hpcc) 1116 vv '|' "$CC $CFLAGS $CPPFLAGS $LDFLAGS $NOWARN -V conftest.c $LIBS" 1117 ;; 1118 iar) 1119 echo >&2 'Warning: IAR Systems (http://www.iar.com) compiler for embedded 1120 systems detected. This unsupported compiler has not yet 1121 been tested for compatibility with mksh. Continue at your 1122 own risk, please report success/failure to the developers.' 1123 ;; 1124 icc) 1125 vv '|' "$CC $CFLAGS $CPPFLAGS $LDFLAGS $NOWARN $LIBS -V" 1126 ;; 1127 kencc) 1128 vv '|' "$CC $CFLAGS $CPPFLAGS $LDFLAGS $NOWARN -v conftest.c $LIBS" 1129 ;; 1130 lcc) 1131 vv '|' "$CC $CFLAGS $CPPFLAGS $LDFLAGS $NOWARN -v conftest.c $LIBS" 1132 add_cppflags -D__inline__=__inline 1133 ;; 1134 metrowerks) 1135 echo >&2 'Warning: Metrowerks C compiler detected. This has not yet 1136 been tested for compatibility with mksh. Continue at your 1137 own risk, please report success/failure to the developers.' 1138 ;; 1139 mipspro) 1140 vv '|' "$CC $CFLAGS $CPPFLAGS $LDFLAGS $NOWARN $LIBS -version" 1141 ;; 1142 msc) 1143 ccpr= # errorlevels are not reliable 1144 case $TARGET_OS in 1145 Interix) 1146 if [[ -n $C89_COMPILER ]]; then 1147 C89_COMPILER=`ntpath2posix -c "$C89_COMPILER"` 1148 else 1149 C89_COMPILER=CL.EXE 1150 fi 1151 if [[ -n $C89_LINKER ]]; then 1152 C89_LINKER=`ntpath2posix -c "$C89_LINKER"` 1153 else 1154 C89_LINKER=LINK.EXE 1155 fi 1156 vv '|' "$C89_COMPILER /HELP >&2" 1157 vv '|' "$C89_LINKER /LINK >&2" 1158 ;; 1159 esac 1160 ;; 1161 nwcc) 1162 vv '|' "$CC $CFLAGS $CPPFLAGS $LDFLAGS $NOWARN $LIBS -version" 1163 ;; 1164 pcc) 1165 vv '|' "$CC $CFLAGS $CPPFLAGS $LDFLAGS $NOWARN $LIBS -v" 1166 ;; 1167 pgi) 1168 echo >&2 'Warning: PGI detected. This unknown compiler has not yet 1169 been tested for compatibility with mksh. Continue at your 1170 own risk, please report success/failure to the developers.' 1171 ;; 1172 sdcc) 1173 echo >&2 'Warning: sdcc (http://sdcc.sourceforge.net), the small devices 1174 C compiler for embedded systems detected. This has not yet 1175 been tested for compatibility with mksh. Continue at your 1176 own risk, please report success/failure to the developers.' 1177 ;; 1178 sunpro) 1179 vv '|' "$CC $CFLAGS $CPPFLAGS $LDFLAGS $NOWARN -V conftest.c $LIBS" 1180 ;; 1181 tcc) 1182 vv '|' "$CC $CFLAGS $CPPFLAGS $LDFLAGS $NOWARN $LIBS -v" 1183 ;; 1184 tendra) 1185 vv '|' "$CC $CFLAGS $CPPFLAGS $LDFLAGS $NOWARN $LIBS -V 2>&1 | \ 1186 fgrep -i -e version -e release" 1187 ;; 1188 ucode) 1189 vv '|' "$CC $CFLAGS $CPPFLAGS $LDFLAGS $NOWARN $LIBS -V" 1190 vv '|' "$CC $CFLAGS $CPPFLAGS $LDFLAGS $NOWARN -Wl,-V conftest.c $LIBS" 1191 ;; 1192 uslc) 1193 case $TARGET_OS:$TARGET_OSREV in 1194 SCO_SV:3.2*) 1195 # SCO OpenServer 5 1196 CFLAGS="$CFLAGS -g" 1197 : ${HAVE_CAN_OTWO=0} ${HAVE_CAN_OPTIMISE=0} 1198 ;; 1199 esac 1200 vv '|' "$CC $CFLAGS $CPPFLAGS $LDFLAGS $NOWARN -V conftest.c $LIBS" 1201 ;; 1202 watcom) 1203 vv '|' "$CC $CFLAGS $CPPFLAGS $LDFLAGS $NOWARN -v conftest.c $LIBS" 1204 ;; 1205 xlc) 1206 vv '|' "$CC $CFLAGS $CPPFLAGS $LDFLAGS $NOWARN $LIBS -qversion" 1207 vv '|' "$CC $CFLAGS $CPPFLAGS $LDFLAGS $NOWARN $LIBS -qversion=verbose" 1208 vv '|' "ld -V" 1209 ;; 1210 *) 1211 test x"$ct" = x"untested" && $e "!!! detecting preprocessor failed" 1212 ct=unknown 1213 vv "$CC --version" 1214 vv '|' "$CC $CFLAGS $CPPFLAGS $LDFLAGS $NOWARN -v conftest.c $LIBS" 1215 vv '|' "$CC $CFLAGS $CPPFLAGS $LDFLAGS $NOWARN -V conftest.c $LIBS" 1216 ;; 1217 esac 1218 case $cm in 1219 dragonegg|llvm) 1220 vv '|' "llc -version" 1221 ;; 1222 esac 1223 case $et in 1224 klibc) 1225 add_cppflags -DMKSH_NO_LIMITS 1226 ;; 1227 unknown) 1228 # nothing special detected, dont worry 1229 unset et 1230 ;; 1231 *) 1232 # huh? 1233 ;; 1234 esac 1235 $e "$bi==> which compiler seems to be used...$ao $ui$ct${et+ on $et}$ao" 1236 rmf conftest.c conftest.o conftest a.out* a.exe* vv.out 1237 1238 # 1239 # Compiler: works as-is, with -Wno-error and -Werror 1240 # 1241 save_NOWARN=$NOWARN 1242 NOWARN= 1243 DOWARN= 1244 ac_flags 0 compiler_works '' 'if the compiler works' 1245 test 1 = $HAVE_CAN_COMPILER_WORKS || exit 1 1246 HAVE_COMPILER_KNOWN=0 1247 test $ct = unknown || HAVE_COMPILER_KNOWN=1 1248 if ac_ifcpp 'if 0' compiler_fails '' \ 1249 'if the compiler does not fail correctly'; then 1250 save_CFLAGS=$CFLAGS 1251 : ${HAVE_CAN_DELEXE=x} 1252 case $ct in 1253 dec) 1254 CFLAGS="$CFLAGS ${ccpl}-non_shared" 1255 ac_testn can_delexe compiler_fails 0 'for the -non_shared linker option' <<-EOF 1256 #include <unistd.h> 1257 int main(void) { return (isatty(0)); } 1258 EOF 1259 ;; 1260 dmc) 1261 CFLAGS="$CFLAGS ${ccpl}/DELEXECUTABLE" 1262 ac_testn can_delexe compiler_fails 0 'for the /DELEXECUTABLE linker option' <<-EOF 1263 #include <unistd.h> 1264 int main(void) { return (isatty(0)); } 1265 EOF 1266 ;; 1267 *) 1268 exit 1 1269 ;; 1270 esac 1271 test 1 = $HAVE_CAN_DELEXE || CFLAGS=$save_CFLAGS 1272 ac_testn compiler_still_fails '' 'if the compiler still does not fail correctly' <<-EOF 1273 EOF 1274 test 1 = $HAVE_COMPILER_STILL_FAILS && exit 1 1275 fi 1276 if ac_ifcpp 'ifdef __TINYC__' couldbe_tcc '!' compiler_known 0 \ 1277 'if this could be tcc'; then 1278 ct=tcc 1279 CPP='cpp -D__TINYC__' 1280 HAVE_COMPILER_KNOWN=1 1281 fi 1282 1283 case $ct in 1284 bcc) 1285 save_NOWARN="${ccpc}-w" 1286 DOWARN="${ccpc}-w!" 1287 ;; 1288 dec) 1289 # -msg_* flags not used yet, or is -w2 correct? 1290 ;; 1291 dmc) 1292 save_NOWARN="${ccpc}-w" 1293 DOWARN="${ccpc}-wx" 1294 ;; 1295 hpcc) 1296 save_NOWARN= 1297 DOWARN=+We 1298 ;; 1299 kencc) 1300 save_NOWARN= 1301 DOWARN= 1302 ;; 1303 mipspro) 1304 save_NOWARN= 1305 DOWARN="-diag_error 1-10000" 1306 ;; 1307 msc) 1308 save_NOWARN="${ccpc}/w" 1309 DOWARN="${ccpc}/WX" 1310 ;; 1311 sunpro) 1312 test x"$save_NOWARN" = x"" && save_NOWARN='-errwarn=%none' 1313 ac_flags 0 errwarnnone "$save_NOWARN" 1314 test 1 = $HAVE_CAN_ERRWARNNONE || save_NOWARN= 1315 ac_flags 0 errwarnall "-errwarn=%all" 1316 test 1 = $HAVE_CAN_ERRWARNALL && DOWARN="-errwarn=%all" 1317 ;; 1318 tendra) 1319 save_NOWARN=-w 1320 ;; 1321 ucode) 1322 save_NOWARN= 1323 DOWARN=-w2 1324 ;; 1325 watcom) 1326 save_NOWARN= 1327 DOWARN=-Wc,-we 1328 ;; 1329 xlc) 1330 save_NOWARN=-qflag=i:e 1331 DOWARN=-qflag=i:i 1332 ;; 1333 *) 1334 test x"$save_NOWARN" = x"" && save_NOWARN=-Wno-error 1335 ac_flags 0 wnoerror "$save_NOWARN" 1336 test 1 = $HAVE_CAN_WNOERROR || save_NOWARN= 1337 ac_flags 0 werror -Werror 1338 test 1 = $HAVE_CAN_WERROR && DOWARN=-Werror 1339 test $ct = icc && DOWARN="$DOWARN -wd1419" 1340 ;; 1341 esac 1342 NOWARN=$save_NOWARN 1343 1344 # 1345 # Compiler: extra flags (-O2 -f* -W* etc.) 1346 # 1347 i=`echo :"$orig_CFLAGS" | sed 's/^://' | tr -c -d $alll$allu$alln` 1348 # optimisation: only if orig_CFLAGS is empty 1349 test x"$i" = x"" && case $ct in 1350 hpcc) 1351 phase=u 1352 ac_flags 1 otwo +O2 1353 phase=x 1354 ;; 1355 kencc|tcc|tendra) 1356 # no special optimisation 1357 ;; 1358 sunpro) 1359 cat >x <<-'EOF' 1360 #include <unistd.h> 1361 int main(void) { return (isatty(0)); } 1362 #define __IDSTRING_CONCAT(l,p) __LINTED__ ## l ## _ ## p 1363 #define __IDSTRING_EXPAND(l,p) __IDSTRING_CONCAT(l,p) 1364 #define pad void __IDSTRING_EXPAND(__LINE__,x)(void) { } 1365 EOF 1366 yes pad | head -n 256 >>x 1367 ac_flags - 1 otwo -xO2 <x 1368 rmf x 1369 ;; 1370 xlc) 1371 ac_flags 1 othree "-O3 -qstrict" 1372 test 1 = $HAVE_CAN_OTHREE || ac_flags 1 otwo -O2 1373 ;; 1374 *) 1375 ac_flags 1 otwo -O2 1376 test 1 = $HAVE_CAN_OTWO || ac_flags 1 optimise -O 1377 ;; 1378 esac 1379 # other flags: just add them if they are supported 1380 i=0 1381 case $ct in 1382 bcc) 1383 ac_flags 1 strpool "${ccpc}-d" 'if string pooling can be enabled' 1384 ;; 1385 clang) 1386 i=1 1387 ;; 1388 dec) 1389 ac_flags 0 verb -verbose 1390 ac_flags 1 rodata -readonly_strings 1391 ;; 1392 dmc) 1393 ac_flags 1 decl "${ccpc}-r" 'for strict prototype checks' 1394 ac_flags 1 schk "${ccpc}-s" 'for stack overflow checking' 1395 ;; 1396 gcc) 1397 # The following tests run with -Werror (gcc only) if possible 1398 NOWARN=$DOWARN; phase=u 1399 ac_flags 1 wnodeprecateddecls -Wno-deprecated-declarations 1400 # mksh is not written in CFrustFrust! 1401 ac_flags 1 no_eh_frame -fno-asynchronous-unwind-tables 1402 ac_flags 1 fnostrictaliasing -fno-strict-aliasing 1403 ac_flags 1 fstackprotectorstrong -fstack-protector-strong 1404 test 1 = $HAVE_CAN_FSTACKPROTECTORSTRONG || \ 1405 ac_flags 1 fstackprotectorall -fstack-protector-all 1406 test $cm = dragonegg && case " $CC $CFLAGS $LDFLAGS " in 1407 *\ -fplugin=*dragonegg*) ;; 1408 *) ac_flags 1 fplugin_dragonegg -fplugin=dragonegg ;; 1409 esac 1410 case $cm in 1411 combine) 1412 fv=0 1413 checks='7 8' 1414 ;; 1415 lto) 1416 fv=0 1417 checks='1 2 3 4 5 6 7 8' 1418 ;; 1419 *) 1420 fv=1 1421 ;; 1422 esac 1423 test $fv = 1 || for what in $checks; do 1424 test $fv = 1 && break 1425 case $what in 1426 1) t_cflags='-flto=jobserver' 1427 t_ldflags='-fuse-linker-plugin' 1428 t_use=1 t_name=fltojs_lp ;; 1429 2) t_cflags='-flto=jobserver' t_ldflags='' 1430 t_use=1 t_name=fltojs_nn ;; 1431 3) t_cflags='-flto=jobserver' 1432 t_ldflags='-fno-use-linker-plugin -fwhole-program' 1433 t_use=1 t_name=fltojs_np ;; 1434 4) t_cflags='-flto' 1435 t_ldflags='-fuse-linker-plugin' 1436 t_use=1 t_name=fltons_lp ;; 1437 5) t_cflags='-flto' t_ldflags='' 1438 t_use=1 t_name=fltons_nn ;; 1439 6) t_cflags='-flto' 1440 t_ldflags='-fno-use-linker-plugin -fwhole-program' 1441 t_use=1 t_name=fltons_np ;; 1442 7) t_cflags='-fwhole-program --combine' t_ldflags='' 1443 t_use=0 t_name=combine cm=combine ;; 1444 8) fv=1 cm=normal ;; 1445 esac 1446 test $fv = 1 && break 1447 ac_flags $t_use $t_name "$t_cflags" \ 1448 "if gcc supports $t_cflags $t_ldflags" "$t_ldflags" 1449 done 1450 i=1 1451 ;; 1452 hpcc) 1453 phase=u 1454 # probably not needed 1455 #ac_flags 1 agcc -Agcc 'for support of GCC extensions' 1456 phase=x 1457 ;; 1458 icc) 1459 ac_flags 1 fnobuiltinsetmode -fno-builtin-setmode 1460 ac_flags 1 fnostrictaliasing -fno-strict-aliasing 1461 ac_flags 1 fstacksecuritycheck -fstack-security-check 1462 i=1 1463 ;; 1464 mipspro) 1465 ac_flags 1 fullwarn -fullwarn 'for remark output support' 1466 ;; 1467 msc) 1468 ac_flags 1 strpool "${ccpc}/GF" 'if string pooling can be enabled' 1469 echo 'int main(void) { char test[64] = ""; return (*test); }' >x 1470 ac_flags - 1 stackon "${ccpc}/GZ" 'if stack checks can be enabled' <x 1471 ac_flags - 1 stckall "${ccpc}/Ge" 'stack checks for all functions' <x 1472 ac_flags - 1 secuchk "${ccpc}/GS" 'for compiler security checks' <x 1473 rmf x 1474 ac_flags 1 wall "${ccpc}/Wall" 'to enable all warnings' 1475 ac_flags 1 wp64 "${ccpc}/Wp64" 'to enable 64-bit warnings' 1476 ;; 1477 nwcc) 1478 i=1 1479 #broken# ac_flags 1 ssp -stackprotect 1480 ;; 1481 sunpro) 1482 phase=u 1483 ac_flags 1 v -v 1484 ac_flags 1 ipo -xipo 'for cross-module optimisation' 1485 phase=x 1486 ;; 1487 tcc) 1488 : #broken# ac_flags 1 boundschk -b 1489 ;; 1490 tendra) 1491 ac_flags 0 ysystem -Ysystem 1492 test 1 = $HAVE_CAN_YSYSTEM && CPPFLAGS="-Ysystem $CPPFLAGS" 1493 ac_flags 1 extansi -Xa 1494 ;; 1495 xlc) 1496 ac_flags 1 rodata "-qro -qroconst -qroptr" 1497 ac_flags 1 rtcheck -qcheck=all 1498 #ac_flags 1 rtchkc -qextchk # reported broken 1499 ac_flags 1 wformat "-qformat=all -qformat=nozln" 1500 #ac_flags 1 wp64 -qwarn64 # too verbose for now 1501 ;; 1502 esac 1503 # flags common to a subset of compilers (run with -Werror on gcc) 1504 if test 1 = $i; then 1505 ac_flags 1 wall -Wall 1506 ac_flags 1 fwrapv -fwrapv 1507 fi 1508 1509 phase=x 1510 # The following tests run with -Werror or similar (all compilers) if possible 1511 NOWARN=$DOWARN 1512 test $ct = pcc && phase=u 1513 1514 # 1515 # Compiler: check for stuff that only generates warnings 1516 # 1517 ac_test attribute_bounded '' 'for __attribute__((__bounded__))' <<-'EOF' 1518 #if defined(__TenDRA__) || (defined(__GNUC__) && (__GNUC__ < 2)) 1519 extern int thiswillneverbedefinedIhope(void); 1520 /* force a failure: TenDRA and gcc 1.42 have false positive here */ 1521 int main(void) { return (thiswillneverbedefinedIhope()); } 1522 #else 1523 #include <string.h> 1524 #undef __attribute__ 1525 int xcopy(const void *, void *, size_t) 1526 __attribute__((__bounded__(__buffer__, 1, 3))) 1527 __attribute__((__bounded__(__buffer__, 2, 3))); 1528 int main(int ac, char *av[]) { return (xcopy(av[0], av[--ac], 1)); } 1529 int xcopy(const void *s, void *d, size_t n) { 1530 /* 1531 * if memmove does not exist, we are not on a system 1532 * with GCC with __bounded__ attribute either so poo 1533 */ 1534 memmove(d, s, n); return ((int)n); 1535 } 1536 #endif 1537 EOF 1538 ac_test attribute_format '' 'for __attribute__((__format__))' <<-'EOF' 1539 #if defined(__TenDRA__) || (defined(__GNUC__) && (__GNUC__ < 2)) 1540 extern int thiswillneverbedefinedIhope(void); 1541 /* force a failure: TenDRA and gcc 1.42 have false positive here */ 1542 int main(void) { return (thiswillneverbedefinedIhope()); } 1543 #else 1544 #define fprintf printfoo 1545 #include <stdio.h> 1546 #undef __attribute__ 1547 #undef fprintf 1548 extern int fprintf(FILE *, const char *format, ...) 1549 __attribute__((__format__(__printf__, 2, 3))); 1550 int main(int ac, char **av) { return (fprintf(stderr, "%s%d", *av, ac)); } 1551 #endif 1552 EOF 1553 ac_test attribute_noreturn '' 'for __attribute__((__noreturn__))' <<-'EOF' 1554 #if defined(__TenDRA__) || (defined(__GNUC__) && (__GNUC__ < 2)) 1555 extern int thiswillneverbedefinedIhope(void); 1556 /* force a failure: TenDRA and gcc 1.42 have false positive here */ 1557 int main(void) { return (thiswillneverbedefinedIhope()); } 1558 #else 1559 #include <stdlib.h> 1560 #undef __attribute__ 1561 void fnord(void) __attribute__((__noreturn__)); 1562 int main(void) { fnord(); } 1563 void fnord(void) { exit(0); } 1564 #endif 1565 EOF 1566 ac_test attribute_pure '' 'for __attribute__((__pure__))' <<-'EOF' 1567 #if defined(__TenDRA__) || (defined(__GNUC__) && (__GNUC__ < 2)) 1568 extern int thiswillneverbedefinedIhope(void); 1569 /* force a failure: TenDRA and gcc 1.42 have false positive here */ 1570 int main(void) { return (thiswillneverbedefinedIhope()); } 1571 #else 1572 #include <unistd.h> 1573 #undef __attribute__ 1574 int foo(const char *) __attribute__((__pure__)); 1575 int main(int ac, char **av) { return (foo(av[ac - 1]) + isatty(0)); } 1576 int foo(const char *s) { return ((int)s[0]); } 1577 #endif 1578 EOF 1579 ac_test attribute_unused '' 'for __attribute__((__unused__))' <<-'EOF' 1580 #if defined(__TenDRA__) || (defined(__GNUC__) && (__GNUC__ < 2)) 1581 extern int thiswillneverbedefinedIhope(void); 1582 /* force a failure: TenDRA and gcc 1.42 have false positive here */ 1583 int main(void) { return (thiswillneverbedefinedIhope()); } 1584 #else 1585 #include <unistd.h> 1586 #undef __attribute__ 1587 int main(int ac __attribute__((__unused__)), char **av 1588 __attribute__((__unused__))) { return (isatty(0)); } 1589 #endif 1590 EOF 1591 ac_test attribute_used '' 'for __attribute__((__used__))' <<-'EOF' 1592 #if defined(__TenDRA__) || (defined(__GNUC__) && (__GNUC__ < 2)) 1593 extern int thiswillneverbedefinedIhope(void); 1594 /* force a failure: TenDRA and gcc 1.42 have false positive here */ 1595 int main(void) { return (thiswillneverbedefinedIhope()); } 1596 #else 1597 #include <unistd.h> 1598 #undef __attribute__ 1599 static const char fnord[] __attribute__((__used__)) = "42"; 1600 int main(void) { return (isatty(0)); } 1601 #endif 1602 EOF 1603 1604 # End of tests run with -Werror 1605 NOWARN=$save_NOWARN 1606 phase=x 1607 1608 # 1609 # mksh: flavours (full/small mksh, omit certain stuff) 1610 # 1611 if ac_ifcpp 'ifdef MKSH_SMALL' isset_MKSH_SMALL '' \ 1612 "if a reduced-feature mksh is requested"; then 1613 : ${HAVE_NICE=0} 1614 : ${HAVE_PERSISTENT_HISTORY=0} 1615 check_categories="$check_categories smksh" 1616 HAVE_ISSET_MKSH_CONSERVATIVE_FDS=1 # from sh.h 1617 fi 1618 ac_ifcpp 'if defined(MKSH_BINSHPOSIX) || defined(MKSH_BINSHREDUCED)' \ 1619 isset_MKSH_BINSH '' 'if invoking as sh should be handled specially' && \ 1620 check_categories="$check_categories binsh" 1621 ac_ifcpp 'ifdef MKSH_UNEMPLOYED' isset_MKSH_UNEMPLOYED '' \ 1622 "if mksh will be built without job control" && \ 1623 check_categories="$check_categories arge" 1624 ac_ifcpp 'ifdef MKSH_NOPROSPECTOFWORK' isset_MKSH_NOPROSPECTOFWORK '' \ 1625 "if mksh will be built without job signals" && \ 1626 check_categories="$check_categories arge nojsig" 1627 ac_ifcpp 'ifdef MKSH_ASSUME_UTF8' isset_MKSH_ASSUME_UTF8 '' \ 1628 'if the default UTF-8 mode is specified' && : ${HAVE_SETLOCALE_CTYPE=0} 1629 ac_ifcpp 'ifdef MKSH_CONSERVATIVE_FDS' isset_MKSH_CONSERVATIVE_FDS '' \ 1630 'if traditional/conservative fd use is requested' && \ 1631 check_categories="$check_categories convfds" 1632 #ac_ifcpp 'ifdef MKSH_DISABLE_DEPRECATED' isset_MKSH_DISABLE_DEPRECATED '' \ 1633 # "if deprecated features are to be omitted" && \ 1634 # check_categories="$check_categories nodeprecated" 1635 #ac_ifcpp 'ifdef MKSH_DISABLE_EXPERIMENTAL' isset_MKSH_DISABLE_EXPERIMENTAL '' \ 1636 # "if experimental features are to be omitted" && \ 1637 # check_categories="$check_categories noexperimental" 1638 ac_ifcpp 'ifdef MKSH_MIDNIGHTBSD01ASH_COMPAT' isset_MKSH_MIDNIGHTBSD01ASH_COMPAT '' \ 1639 'if the MidnightBSD 0.1 ash compatibility mode is requested' && \ 1640 check_categories="$check_categories mnbsdash" 1641 1642 # 1643 # Environment: headers 1644 # 1645 ac_header sys/time.h sys/types.h 1646 ac_header time.h sys/types.h 1647 test "11" = "$HAVE_SYS_TIME_H$HAVE_TIME_H" || HAVE_BOTH_TIME_H=0 1648 ac_test both_time_h '' 'whether <sys/time.h> and <time.h> can both be included' <<-'EOF' 1649 #include <sys/types.h> 1650 #include <sys/time.h> 1651 #include <time.h> 1652 #include <unistd.h> 1653 int main(void) { struct tm tm; return ((int)sizeof(tm) + isatty(0)); } 1654 EOF 1655 ac_header sys/bsdtypes.h 1656 ac_header sys/file.h sys/types.h 1657 ac_header sys/mkdev.h sys/types.h 1658 ac_header sys/mman.h sys/types.h 1659 ac_header sys/param.h 1660 ac_header sys/resource.h sys/types.h _time 1661 ac_header sys/select.h sys/types.h 1662 ac_header sys/sysmacros.h 1663 ac_header bstring.h 1664 ac_header grp.h sys/types.h 1665 ac_header libgen.h 1666 ac_header libutil.h sys/types.h 1667 ac_header paths.h 1668 ac_header stdint.h stdarg.h 1669 # include strings.h only if compatible with string.h 1670 ac_header strings.h sys/types.h string.h 1671 ac_header termios.h 1672 ac_header ulimit.h sys/types.h 1673 ac_header values.h 1674 1675 # 1676 # Environment: definitions 1677 # 1678 echo '#include <sys/types.h> 1679 #include <unistd.h> 1680 /* check that off_t can represent 2^63-1 correctly, thx FSF */ 1681 #define LARGE_OFF_T ((((off_t)1 << 31) << 31) - 1 + (((off_t)1 << 31) << 31)) 1682 int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721 && 1683 LARGE_OFF_T % 2147483647 == 1) ? 1 : -1]; 1684 int main(void) { return (isatty(0)); }' >lft.c 1685 ac_testn can_lfs '' "for large file support" <lft.c 1686 save_CPPFLAGS=$CPPFLAGS 1687 add_cppflags -D_FILE_OFFSET_BITS=64 1688 ac_testn can_lfs_sus '!' can_lfs 0 "... with -D_FILE_OFFSET_BITS=64" <lft.c 1689 if test 0 = $HAVE_CAN_LFS_SUS; then 1690 CPPFLAGS=$save_CPPFLAGS 1691 add_cppflags -D_LARGE_FILES=1 1692 ac_testn can_lfs_aix '!' can_lfs 0 "... with -D_LARGE_FILES=1" <lft.c 1693 test 1 = $HAVE_CAN_LFS_AIX || CPPFLAGS=$save_CPPFLAGS 1694 fi 1695 rmf lft* # end of large file support test 1696 1697 # 1698 # Environment: types 1699 # 1700 ac_test can_inttypes '!' stdint_h 1 "for standard 32-bit integer types" <<-'EOF' 1701 #include <sys/types.h> 1702 #include <stddef.h> 1703 int main(int ac, char **av) { return ((uint32_t)(ptrdiff_t)*av + (int32_t)ac); } 1704 EOF 1705 ac_test can_ucbints '!' can_inttypes 1 "for UCB 32-bit integer types" <<-'EOF' 1706 #include <sys/types.h> 1707 #include <stddef.h> 1708 int main(int ac, char **av) { return ((u_int32_t)(ptrdiff_t)*av + (int32_t)ac); } 1709 EOF 1710 ac_test can_int8type '!' stdint_h 1 "for standard 8-bit integer type" <<-'EOF' 1711 #include <sys/types.h> 1712 #include <stddef.h> 1713 int main(int ac, char **av) { return ((uint8_t)(ptrdiff_t)av[ac]); } 1714 EOF 1715 ac_test can_ucbint8 '!' can_int8type 1 "for UCB 8-bit integer type" <<-'EOF' 1716 #include <sys/types.h> 1717 #include <stddef.h> 1718 int main(int ac, char **av) { return ((u_int8_t)(ptrdiff_t)av[ac]); } 1719 EOF 1720 1721 ac_test rlim_t <<-'EOF' 1722 #include <sys/types.h> 1723 #if HAVE_BOTH_TIME_H 1724 #include <sys/time.h> 1725 #include <time.h> 1726 #elif HAVE_SYS_TIME_H 1727 #include <sys/time.h> 1728 #elif HAVE_TIME_H 1729 #include <time.h> 1730 #endif 1731 #if HAVE_SYS_RESOURCE_H 1732 #include <sys/resource.h> 1733 #endif 1734 #include <unistd.h> 1735 int main(void) { return (((int)(rlim_t)0) + isatty(0)); } 1736 EOF 1737 1738 # only testn: added later below 1739 ac_testn sig_t <<-'EOF' 1740 #include <sys/types.h> 1741 #include <signal.h> 1742 #include <stddef.h> 1743 volatile sig_t foo = (sig_t)0; 1744 int main(void) { return (foo == (sig_t)0); } 1745 EOF 1746 1747 ac_testn sighandler_t '!' sig_t 0 <<-'EOF' 1748 #include <sys/types.h> 1749 #include <signal.h> 1750 #include <stddef.h> 1751 volatile sighandler_t foo = (sighandler_t)0; 1752 int main(void) { return (foo == (sighandler_t)0); } 1753 EOF 1754 if test 1 = $HAVE_SIGHANDLER_T; then 1755 add_cppflags -Dsig_t=sighandler_t 1756 HAVE_SIG_T=1 1757 fi 1758 1759 ac_testn __sighandler_t '!' sig_t 0 <<-'EOF' 1760 #include <sys/types.h> 1761 #include <signal.h> 1762 #include <stddef.h> 1763 volatile __sighandler_t foo = (__sighandler_t)0; 1764 int main(void) { return (foo == (__sighandler_t)0); } 1765 EOF 1766 if test 1 = $HAVE___SIGHANDLER_T; then 1767 add_cppflags -Dsig_t=__sighandler_t 1768 HAVE_SIG_T=1 1769 fi 1770 1771 test 1 = $HAVE_SIG_T || add_cppflags -Dsig_t=nosig_t 1772 ac_cppflags SIG_T 1773 1774 # 1775 # check whether whatever we use for the final link will succeed 1776 # 1777 if test $cm = makefile; then 1778 : nothing to check 1779 else 1780 HAVE_LINK_WORKS=x 1781 ac_testinit link_works '' 'checking if the final link command may succeed' 1782 fv=1 1783 cat >conftest.c <<-'EOF' 1784 #define EXTERN 1785 #define MKSH_INCLUDES_ONLY 1786 #include "sh.h" 1787 __RCSID("$MirOS: src/bin/mksh/Build.sh,v 1.669 2014/10/07 15:22:12 tg Exp $"); 1788 int main(void) { printf("Hello, World!\n"); return (isatty(0)); } 1789 EOF 1790 case $cm in 1791 llvm) 1792 v "$CC $CFLAGS $CPPFLAGS $NOWARN -emit-llvm -c conftest.c" || fv=0 1793 rmf $tfn.s 1794 test $fv = 0 || v "llvm-link -o - conftest.o | opt $optflags | llc -o $tfn.s" || fv=0 1795 test $fv = 0 || v "$CC $CFLAGS $LDFLAGS -o $tcfn $tfn.s $LIBS $ccpr" 1796 ;; 1797 dragonegg) 1798 v "$CC $CFLAGS $CPPFLAGS $NOWARN -S -flto conftest.c" || fv=0 1799 test $fv = 0 || v "mv conftest.s conftest.ll" 1800 test $fv = 0 || v "llvm-as conftest.ll" || fv=0 1801 rmf $tfn.s 1802 test $fv = 0 || v "llvm-link -o - conftest.bc | opt $optflags | llc -o $tfn.s" || fv=0 1803 test $fv = 0 || v "$CC $CFLAGS $LDFLAGS -o $tcfn $tfn.s $LIBS $ccpr" 1804 ;; 1805 combine) 1806 v "$CC $CFLAGS $CPPFLAGS $LDFLAGS -fwhole-program --combine $NOWARN -o $tcfn conftest.c $LIBS $ccpr" 1807 ;; 1808 lto|normal) 1809 cm=normal 1810 v "$CC $CFLAGS $CPPFLAGS $NOWARN -c conftest.c" || fv=0 1811 test $fv = 0 || v "$CC $CFLAGS $LDFLAGS -o $tcfn conftest.o $LIBS $ccpr" 1812 ;; 1813 esac 1814 test -f $tcfn || fv=0 1815 ac_testdone 1816 test $fv = 1 || exit 1 1817 fi 1818 1819 # 1820 # Environment: errors and signals 1821 # 1822 test x"NetBSD" = x"$TARGET_OS" && $e Ignore the compatibility warning. 1823 1824 ac_testn sys_errlist '' "the sys_errlist[] array and sys_nerr" <<-'EOF' 1825 extern const int sys_nerr; 1826 extern const char * const sys_errlist[]; 1827 extern int isatty(int); 1828 int main(void) { return (*sys_errlist[sys_nerr - 1] + isatty(0)); } 1829 EOF 1830 ac_testn _sys_errlist '!' sys_errlist 0 "the _sys_errlist[] array and _sys_nerr" <<-'EOF' 1831 extern const int _sys_nerr; 1832 extern const char * const _sys_errlist[]; 1833 extern int isatty(int); 1834 int main(void) { return (*_sys_errlist[_sys_nerr - 1] + isatty(0)); } 1835 EOF 1836 if test 1 = "$HAVE__SYS_ERRLIST"; then 1837 add_cppflags -Dsys_nerr=_sys_nerr 1838 add_cppflags -Dsys_errlist=_sys_errlist 1839 HAVE_SYS_ERRLIST=1 1840 fi 1841 ac_cppflags SYS_ERRLIST 1842 1843 for what in name list; do 1844 uwhat=`upper $what` 1845 ac_testn sys_sig$what '' "the sys_sig${what}[] array" <<-EOF 1846 extern const char * const sys_sig${what}[]; 1847 extern int isatty(int); 1848 int main(void) { return (sys_sig${what}[0][0] + isatty(0)); } 1849 EOF 1850 ac_testn _sys_sig$what '!' sys_sig$what 0 "the _sys_sig${what}[] array" <<-EOF 1851 extern const char * const _sys_sig${what}[]; 1852 extern int isatty(int); 1853 int main(void) { return (_sys_sig${what}[0][0] + isatty(0)); } 1854 EOF 1855 eval uwhat_v=\$HAVE__SYS_SIG$uwhat 1856 if test 1 = "$uwhat_v"; then 1857 add_cppflags -Dsys_sig$what=_sys_sig$what 1858 eval HAVE_SYS_SIG$uwhat=1 1859 fi 1860 ac_cppflags SYS_SIG$uwhat 1861 done 1862 1863 # 1864 # Environment: library functions 1865 # 1866 ac_test flock <<-'EOF' 1867 #include <sys/types.h> 1868 #include <fcntl.h> 1869 #undef flock 1870 #if HAVE_SYS_FILE_H 1871 #include <sys/file.h> 1872 #endif 1873 int main(void) { return (flock(0, LOCK_EX | LOCK_UN)); } 1874 EOF 1875 1876 ac_test lock_fcntl '!' flock 1 'whether we can lock files with fcntl' <<-'EOF' 1877 #include <fcntl.h> 1878 #undef flock 1879 int main(void) { 1880 struct flock lks; 1881 lks.l_type = F_WRLCK | F_UNLCK; 1882 return (fcntl(0, F_SETLKW, &lks)); 1883 } 1884 EOF 1885 1886 ac_test getrusage <<-'EOF' 1887 #define MKSH_INCLUDES_ONLY 1888 #include "sh.h" 1889 int main(void) { 1890 struct rusage ru; 1891 return (getrusage(RUSAGE_SELF, &ru) + 1892 getrusage(RUSAGE_CHILDREN, &ru)); 1893 } 1894 EOF 1895 1896 ac_test getsid <<-'EOF' 1897 #include <unistd.h> 1898 int main(void) { return ((int)getsid(0)); } 1899 EOF 1900 1901 ac_test gettimeofday <<-'EOF' 1902 #define MKSH_INCLUDES_ONLY 1903 #include "sh.h" 1904 int main(void) { struct timeval tv; return (gettimeofday(&tv, NULL)); } 1905 EOF 1906 1907 ac_test issetugid <<-'EOF' 1908 #include <unistd.h> 1909 int main(void) { return (issetugid()); } 1910 EOF 1911 1912 ac_test killpg <<-'EOF' 1913 #include <signal.h> 1914 int main(int ac, char *av[]) { return (av[0][killpg(123, ac)]); } 1915 EOF 1916 1917 ac_test memmove <<-'EOF' 1918 #include <sys/types.h> 1919 #include <stddef.h> 1920 #include <string.h> 1921 #if HAVE_STRINGS_H 1922 #include <strings.h> 1923 #endif 1924 int main(int ac, char *av[]) { 1925 return (*(int *)(void *)memmove(av[0], av[1], (size_t)ac)); 1926 } 1927 EOF 1928 1929 ac_test mknod '' 'if to use mknod(), makedev() and friends' <<-'EOF' 1930 #define MKSH_INCLUDES_ONLY 1931 #include "sh.h" 1932 int main(int ac, char *av[]) { 1933 dev_t dv; 1934 dv = makedev((unsigned int)ac, (unsigned int)av[0][0]); 1935 return (mknod(av[0], (mode_t)0, dv) ? (int)major(dv) : 1936 (int)minor(dv)); 1937 } 1938 EOF 1939 1940 ac_test mmap lock_fcntl 0 'for mmap and munmap' <<-'EOF' 1941 #include <sys/types.h> 1942 #if HAVE_SYS_FILE_H 1943 #include <sys/file.h> 1944 #endif 1945 #if HAVE_SYS_MMAN_H 1946 #include <sys/mman.h> 1947 #endif 1948 #include <stddef.h> 1949 #include <stdlib.h> 1950 int main(void) { return ((void *)mmap(NULL, (size_t)0, 1951 PROT_READ, MAP_PRIVATE, 0, (off_t)0) == (void *)NULL ? 1 : 1952 munmap(NULL, 0)); } 1953 EOF 1954 1955 ac_test nice <<-'EOF' 1956 #include <unistd.h> 1957 int main(void) { return (nice(4)); } 1958 EOF 1959 1960 ac_test revoke <<-'EOF' 1961 #include <sys/types.h> 1962 #if HAVE_LIBUTIL_H 1963 #include <libutil.h> 1964 #endif 1965 #include <unistd.h> 1966 int main(int ac, char *av[]) { return (ac + revoke(av[0])); } 1967 EOF 1968 1969 ac_test setlocale_ctype '' 'setlocale(LC_CTYPE, "")' <<-'EOF' 1970 #include <locale.h> 1971 #include <stddef.h> 1972 int main(void) { return ((int)(ptrdiff_t)(void *)setlocale(LC_CTYPE, "")); } 1973 EOF 1974 1975 ac_test langinfo_codeset setlocale_ctype 0 'nl_langinfo(CODESET)' <<-'EOF' 1976 #include <langinfo.h> 1977 #include <stddef.h> 1978 int main(void) { return ((int)(ptrdiff_t)(void *)nl_langinfo(CODESET)); } 1979 EOF 1980 1981 ac_test select <<-'EOF' 1982 #include <sys/types.h> 1983 #if HAVE_BOTH_TIME_H 1984 #include <sys/time.h> 1985 #include <time.h> 1986 #elif HAVE_SYS_TIME_H 1987 #include <sys/time.h> 1988 #elif HAVE_TIME_H 1989 #include <time.h> 1990 #endif 1991 #if HAVE_SYS_BSDTYPES_H 1992 #include <sys/bsdtypes.h> 1993 #endif 1994 #if HAVE_SYS_SELECT_H 1995 #include <sys/select.h> 1996 #endif 1997 #if HAVE_BSTRING_H 1998 #include <bstring.h> 1999 #endif 2000 #include <stddef.h> 2001 #include <stdlib.h> 2002 #include <string.h> 2003 #if HAVE_STRINGS_H 2004 #include <strings.h> 2005 #endif 2006 #include <unistd.h> 2007 int main(void) { 2008 struct timeval tv = { 1, 200000 }; 2009 fd_set fds; FD_ZERO(&fds); FD_SET(0, &fds); 2010 return (select(FD_SETSIZE, &fds, NULL, NULL, &tv)); 2011 } 2012 EOF 2013 2014 ac_test setresugid <<-'EOF' 2015 #include <sys/types.h> 2016 #include <unistd.h> 2017 int main(void) { return (setresuid(0,0,0) + setresgid(0,0,0)); } 2018 EOF 2019 2020 ac_test setgroups setresugid 0 <<-'EOF' 2021 #include <sys/types.h> 2022 #if HAVE_GRP_H 2023 #include <grp.h> 2024 #endif 2025 #include <unistd.h> 2026 int main(void) { gid_t gid = 0; return (setgroups(0, &gid)); } 2027 EOF 2028 2029 if test x"$et" = x"klibc"; then 2030 2031 ac_testn __rt_sigsuspend '' 'whether klibc uses RT signals' <<-'EOF' 2032 #define MKSH_INCLUDES_ONLY 2033 #include "sh.h" 2034 extern int __rt_sigsuspend(const sigset_t *, size_t); 2035 int main(void) { return (__rt_sigsuspend(NULL, 0)); } 2036 EOF 2037 2038 # no? damn! legacy crap ahead! 2039 2040 ac_testn __sigsuspend_s '!' __rt_sigsuspend 1 \ 2041 'whether sigsuspend is usable (1/2)' <<-'EOF' 2042 #define MKSH_INCLUDES_ONLY 2043 #include "sh.h" 2044 extern int __sigsuspend_s(sigset_t); 2045 int main(void) { return (__sigsuspend_s(0)); } 2046 EOF 2047 ac_testn __sigsuspend_xxs '!' __sigsuspend_s 1 \ 2048 'whether sigsuspend is usable (2/2)' <<-'EOF' 2049 #define MKSH_INCLUDES_ONLY 2050 #include "sh.h" 2051 extern int __sigsuspend_xxs(int, int, sigset_t); 2052 int main(void) { return (__sigsuspend_xxs(0, 0, 0)); } 2053 EOF 2054 2055 if test "000" = "$HAVE___RT_SIGSUSPEND$HAVE___SIGSUSPEND_S$HAVE___SIGSUSPEND_XXS"; then 2056 # no usable sigsuspend(), use pause() *ugh* 2057 add_cppflags -DMKSH_NO_SIGSUSPEND 2058 fi 2059 fi 2060 2061 ac_test strerror '!' sys_errlist 0 <<-'EOF' 2062 extern char *strerror(int); 2063 int main(int ac, char *av[]) { return (*strerror(*av[ac])); } 2064 EOF 2065 2066 ac_test strsignal '!' sys_siglist 0 <<-'EOF' 2067 #include <string.h> 2068 #include <signal.h> 2069 int main(void) { return (strsignal(1)[0]); } 2070 EOF 2071 2072 ac_test strlcpy <<-'EOF' 2073 #include <string.h> 2074 int main(int ac, char *av[]) { return (strlcpy(*av, av[1], 2075 (size_t)ac)); } 2076 EOF 2077 2078 # 2079 # check headers for declarations 2080 # 2081 ac_test flock_decl flock 1 'for declaration of flock()' <<-'EOF' 2082 #define MKSH_INCLUDES_ONLY 2083 #include "sh.h" 2084 #if HAVE_SYS_FILE_H 2085 #include <sys/file.h> 2086 #endif 2087 int main(void) { return ((flock)(0, 0)); } 2088 EOF 2089 ac_test revoke_decl revoke 1 'for declaration of revoke()' <<-'EOF' 2090 #define MKSH_INCLUDES_ONLY 2091 #include "sh.h" 2092 int main(void) { return ((revoke)("")); } 2093 EOF 2094 ac_test sys_errlist_decl sys_errlist 0 "for declaration of sys_errlist[] and sys_nerr" <<-'EOF' 2095 #define MKSH_INCLUDES_ONLY 2096 #include "sh.h" 2097 int main(void) { return (*sys_errlist[sys_nerr - 1] + isatty(0)); } 2098 EOF 2099 ac_test sys_siglist_decl sys_siglist 0 'for declaration of sys_siglist[]' <<-'EOF' 2100 #define MKSH_INCLUDES_ONLY 2101 #include "sh.h" 2102 int main(void) { return (sys_siglist[0][0] + isatty(0)); } 2103 EOF 2104 2105 # 2106 # other checks 2107 # 2108 fd='if to use persistent history' 2109 ac_cache PERSISTENT_HISTORY || case $HAVE_MMAP$HAVE_FLOCK$HAVE_LOCK_FCNTL in 2110 11*|101) fv=1 ;; 2111 esac 2112 test 1 = $fv || check_categories="$check_categories no-histfile" 2113 ac_testdone 2114 ac_cppflags 2115 2116 save_CFLAGS=$CFLAGS 2117 ac_testn compile_time_asserts_$$ '' 'whether compile-time assertions pass' <<-'EOF' 2118 #define MKSH_INCLUDES_ONLY 2119 #include "sh.h" 2120 #ifndef CHAR_BIT 2121 #define CHAR_BIT 8 /* defuse this test on really legacy systems */ 2122 #endif 2123 struct ctasserts { 2124 #define cta(name, assertion) char name[(assertion) ? 1 : -1] 2125 /* this one should be defined by the standard */ 2126 cta(char_is_1_char, (sizeof(char) == 1) && (sizeof(signed char) == 1) && 2127 (sizeof(unsigned char) == 1)); 2128 cta(char_is_8_bits, ((CHAR_BIT) == 8) && ((int)(unsigned char)0xFF == 0xFF) && 2129 ((int)(unsigned char)0x100 == 0) && ((int)(unsigned char)(int)-1 == 0xFF)); 2130 /* the next assertion is probably not really needed */ 2131 cta(short_is_2_char, sizeof(short) == 2); 2132 cta(short_size_no_matter_of_signedness, sizeof(short) == sizeof(unsigned short)); 2133 /* the next assertion is probably not really needed */ 2134 cta(int_is_4_char, sizeof(int) == 4); 2135 cta(int_size_no_matter_of_signedness, sizeof(int) == sizeof(unsigned int)); 2136 2137 cta(long_ge_int, sizeof(long) >= sizeof(int)); 2138 cta(long_size_no_matter_of_signedness, sizeof(long) == sizeof(unsigned long)); 2139 2140 #ifndef MKSH_LEGACY_MODE 2141 /* the next assertion is probably not really needed */ 2142 cta(ari_is_4_char, sizeof(mksh_ari_t) == 4); 2143 /* but this is */ 2144 cta(ari_has_31_bit, 0 < (mksh_ari_t)(((((mksh_ari_t)1 << 15) << 15) - 1) * 2 + 1)); 2145 /* the next assertion is probably not really needed */ 2146 cta(uari_is_4_char, sizeof(mksh_uari_t) == 4); 2147 /* but the next three are; we REQUIRE unsigned integer wraparound */ 2148 cta(uari_has_31_bit, 0 < (mksh_uari_t)(((((mksh_uari_t)1 << 15) << 15) - 1) * 2 + 1)); 2149 cta(uari_has_32_bit, 0 < (mksh_uari_t)(((((mksh_uari_t)1 << 15) << 15) - 1) * 4 + 3)); 2150 cta(uari_wrap_32_bit, 2151 (mksh_uari_t)(((((mksh_uari_t)1 << 15) << 15) - 1) * 4 + 3) > 2152 (mksh_uari_t)(((((mksh_uari_t)1 << 15) << 15) - 1) * 4 + 4)); 2153 #define NUM 22 2154 #else 2155 #define NUM 16 2156 #endif 2157 /* these are always required */ 2158 cta(ari_is_signed, (mksh_ari_t)-1 < (mksh_ari_t)0); 2159 cta(uari_is_unsigned, (mksh_uari_t)-1 > (mksh_uari_t)0); 2160 /* we require these to have the precisely same size and assume 2s complement */ 2161 cta(ari_size_no_matter_of_signedness, sizeof(mksh_ari_t) == sizeof(mksh_uari_t)); 2162 2163 cta(sizet_size_no_matter_of_signedness, sizeof(ssize_t) == sizeof(size_t)); 2164 cta(ptrdifft_sizet_same_size, sizeof(ptrdiff_t) == sizeof(size_t)); 2165 cta(ptrdifft_voidptr_same_size, sizeof(ptrdiff_t) == sizeof(void *)); 2166 cta(ptrdifft_funcptr_same_size, sizeof(ptrdiff_t) == sizeof(void (*)(void))); 2167 /* our formatting routines assume this */ 2168 cta(ptr_fits_in_long, sizeof(ptrdiff_t) <= sizeof(long)); 2169 /* for struct alignment people */ 2170 char padding[64 - NUM]; 2171 }; 2172 char ctasserts_dblcheck[sizeof(struct ctasserts) == 64 ? 1 : -1]; 2173 int main(void) { return (sizeof(ctasserts_dblcheck) + isatty(0)); } 2174 EOF 2175 CFLAGS=$save_CFLAGS 2176 eval test 1 = \$HAVE_COMPILE_TIME_ASSERTS_$$ || exit 1 2177 2178 # 2179 # extra checks for legacy mksh 2180 # 2181 if test $legacy = 1; then 2182 ac_test long_32bit '' 'whether long is 32 bit wide' <<-'EOF' 2183 #define MKSH_INCLUDES_ONLY 2184 #include "sh.h" 2185 #ifndef CHAR_BIT 2186 #define CHAR_BIT 0 2187 #endif 2188 struct ctasserts { 2189 #define cta(name, assertion) char name[(assertion) ? 1 : -1] 2190 cta(char_is_8_bits, (CHAR_BIT) == 8); 2191 cta(long_is_32_bits, sizeof(long) == 4); 2192 }; 2193 int main(void) { return (sizeof(struct ctasserts)); } 2194 EOF 2195 2196 ac_test long_64bit '!' long_32bit 0 'whether long is 64 bit wide' <<-'EOF' 2197 #define MKSH_INCLUDES_ONLY 2198 #include "sh.h" 2199 #ifndef CHAR_BIT 2200 #define CHAR_BIT 0 2201 #endif 2202 struct ctasserts { 2203 #define cta(name, assertion) char name[(assertion) ? 1 : -1] 2204 cta(char_is_8_bits, (CHAR_BIT) == 8); 2205 cta(long_is_64_bits, sizeof(long) == 8); 2206 }; 2207 int main(void) { return (sizeof(struct ctasserts)); } 2208 EOF 2209 2210 case $HAVE_LONG_32BIT$HAVE_LONG_64BIT in 2211 10) check_categories="$check_categories int:32" ;; 2212 01) check_categories="$check_categories int:64" ;; 2213 *) check_categories="$check_categories int:u" ;; 2214 esac 2215 fi 2216 2217 # 2218 # Compiler: Praeprocessor (only if needed) 2219 # 2220 test 0 = $HAVE_SYS_SIGNAME && if ac_testinit cpp_dd '' \ 2221 'checking if the C Preprocessor supports -dD'; then 2222 echo '#define foo bar' >conftest.c 2223 vv ']' "$CPP $CFLAGS $CPPFLAGS $NOWARN -dD conftest.c >x" 2224 grep '#define foo bar' x >/dev/null 2>&1 && fv=1 2225 rmf conftest.c x vv.out 2226 ac_testdone 2227 fi 2228 2229 # 2230 # End of mirtoconf checks 2231 # 2232 $e ... done. 2233 2234 # Some operating systems have ancient versions of ed(1) writing 2235 # the character count to standard output; cope for that 2236 echo wq >x 2237 ed x <x 2>/dev/null | grep 3 >/dev/null 2>&1 && \ 2238 check_categories="$check_categories $oldish_ed" 2239 rmf x vv.out 2240 2241 if test 0 = $HAVE_SYS_SIGNAME; then 2242 if test 1 = $HAVE_CPP_DD; then 2243 $e Generating list of signal names... 2244 else 2245 $e No list of signal names available via cpp. Falling back... 2246 fi 2247 sigseenone=: 2248 sigseentwo=: 2249 echo '#include <signal.h> 2250 #ifndef NSIG 2251 #if defined(_NSIG) 2252 #define NSIG _NSIG 2253 #elif defined(SIGMAX) 2254 #define NSIG (SIGMAX+1) 2255 #elif defined(_SIGMAX) 2256 #define NSIG (_SIGMAX+1) 2257 #else 2258 /* XXX better error out, see sh.h */ 2259 #define NSIG 64 2260 #endif 2261 #endif 2262 int 2263 mksh_cfg= NSIG 2264 ;' >conftest.c 2265 # GNU sed 2.03 segfaults when optimising this to sed -n 2266 NSIG=`vq "$CPP $CFLAGS $CPPFLAGS $NOWARN conftest.c" | \ 2267 grep '^ *mksh_cfg *=' | \ 2268 sed 's/^ *mksh_cfg *=[ ]*\([()0-9x+-][()0-9x+ -]*\).*$/\1/'` 2269 case $NSIG in 2270 *mksh_cfg*) $e "Error: NSIG='$NSIG'"; NSIG=0 ;; 2271 *[\ \(\)+-]*) NSIG=`"$AWK" "BEGIN { print $NSIG }" </dev/null` ;; 2272 esac 2273 printf=printf 2274 (printf hallo) >/dev/null 2>&1 || printf=echo 2275 test $printf = echo || test "`printf %d 42`" = 42 || printf=echo 2276 test $printf = echo || NSIG=`printf %d "$NSIG" 2>/dev/null` 2277 $printf "NSIG=$NSIG ... " 2278 sigs="ABRT FPE ILL INT SEGV TERM ALRM BUS CHLD CONT HUP KILL PIPE QUIT" 2279 sigs="$sigs STOP TSTP TTIN TTOU USR1 USR2 POLL PROF SYS TRAP URG VTALRM" 2280 sigs="$sigs XCPU XFSZ INFO WINCH EMT IO DIL LOST PWR SAK CLD IOT RESV" 2281 sigs="$sigs STKFLT UNUSED" 2282 test 1 = $HAVE_CPP_DD && test $NSIG -gt 1 && sigs="$sigs "`vq \ 2283 "$CPP $CFLAGS $CPPFLAGS $NOWARN -dD conftest.c" | \ 2284 grep '[ ]SIG[A-Z0-9][A-Z0-9]*[ ]' | \ 2285 sed 's/^.*[ ]SIG\([A-Z0-9][A-Z0-9]*\)[ ].*$/\1/' | sort` 2286 test $NSIG -gt 1 || sigs= 2287 for name in $sigs; do 2288 case $sigseenone in 2289 *:$name:*) continue ;; 2290 esac 2291 sigseenone=$sigseenone$name: 2292 echo '#include <signal.h>' >conftest.c 2293 echo int >>conftest.c 2294 echo mksh_cfg= SIG$name >>conftest.c 2295 echo ';' >>conftest.c 2296 # GNU sed 2.03 croaks on optimising this, too 2297 vq "$CPP $CFLAGS $CPPFLAGS $NOWARN conftest.c" | \ 2298 grep '^ *mksh_cfg *=' | \ 2299 sed 's/^ *mksh_cfg *=[ ]*\([0-9][0-9x]*\).*$/:\1 '$name/ 2300 done | sed -n '/^:[^ ]/s/^://p' | while read nr name; do 2301 test $printf = echo || nr=`printf %d "$nr" 2>/dev/null` 2302 test $nr -gt 0 && test $nr -le $NSIG || continue 2303 case $sigseentwo in 2304 *:$nr:*) ;; 2305 *) echo " { \"$name\", $nr }," 2306 sigseentwo=$sigseentwo$nr: 2307 $printf "$name=$nr " >&2 2308 ;; 2309 esac 2310 done 2>&1 >signames.inc 2311 rmf conftest.c 2312 $e done. 2313 fi 2314 2315 addsrcs '!' HAVE_STRLCPY strlcpy.c 2316 addsrcs USE_PRINTF_BUILTIN printf.c 2317 test 1 = "$USE_PRINTF_BUILTIN" && add_cppflags -DMKSH_PRINTF_BUILTIN 2318 test 1 = "$HAVE_CAN_VERB" && CFLAGS="$CFLAGS -verbose" 2319 add_cppflags -DMKSH_BUILD_R=504 2320 2321 $e $bi$me: Finished configuration testing, now producing output.$ao 2322 2323 files= 2324 objs= 2325 sp= 2326 case $tcfn in 2327 a.exe) mkshexe=$tfn.exe ;; 2328 *) mkshexe=$tfn ;; 2329 esac 2330 case $curdir in 2331 *\ *) mkshshebang="#!./$mkshexe" ;; 2332 *) mkshshebang="#!$curdir/$mkshexe" ;; 2333 esac 2334 cat >test.sh <<-EOF 2335 $mkshshebang 2336 LC_ALL=C PATH='$PATH'; export LC_ALL PATH 2337 test -n "\$KSH_VERSION" || exit 1 2338 set -A check_categories -- $check_categories 2339 pflag='$curdir/$mkshexe' 2340 sflag='$srcdir/check.t' 2341 usee=0 Pflag=0 Sflag=0 uset=0 vflag=1 xflag=0 2342 while getopts "C:e:fPp:QSs:t:v" ch; do case \$ch { 2343 (C) check_categories[\${#check_categories[*]}]=\$OPTARG ;; 2344 (e) usee=1; eflag=\$OPTARG ;; 2345 (f) check_categories[\${#check_categories[*]}]=fastbox ;; 2346 (P) Pflag=1 ;; 2347 (+P) Pflag=0 ;; 2348 (p) pflag=\$OPTARG ;; 2349 (Q) vflag=0 ;; 2350 (+Q) vflag=1 ;; 2351 (S) Sflag=1 ;; 2352 (+S) Sflag=0 ;; 2353 (s) sflag=\$OPTARG ;; 2354 (t) uset=1; tflag=\$OPTARG ;; 2355 (v) vflag=1 ;; 2356 (+v) vflag=0 ;; 2357 (*) xflag=1 ;; 2358 } 2359 done 2360 shift \$((OPTIND - 1)) 2361 set -A args -- '$srcdir/check.pl' -p "\$pflag" 2362 x= 2363 for y in "\${check_categories[@]}"; do 2364 x=\$x,\$y 2365 done 2366 if [[ -n \$x ]]; then 2367 args[\${#args[*]}]=-C 2368 args[\${#args[*]}]=\${x#,} 2369 fi 2370 if (( usee )); then 2371 args[\${#args[*]}]=-e 2372 args[\${#args[*]}]=\$eflag 2373 fi 2374 (( Pflag )) && args[\${#args[*]}]=-P 2375 if (( uset )); then 2376 args[\${#args[*]}]=-t 2377 args[\${#args[*]}]=\$tflag 2378 fi 2379 (( vflag )) && args[\${#args[*]}]=-v 2380 (( xflag )) && args[\${#args[*]}]=-x # force usage by synerr 2381 if [[ -n \$TMPDIR && -d \$TMPDIR/. ]]; then 2382 args[\${#args[*]}]=-T 2383 args[\${#args[*]}]=\$TMPDIR 2384 fi 2385 print Testing mksh for conformance: 2386 fgrep -e MirOS: -e MIRBSD "\$sflag" 2387 print "This shell is actually:\\n\\t\$KSH_VERSION" 2388 print 'test.sh built for mksh $dstversion' 2389 cstr='\$os = defined \$^O ? \$^O : "unknown";' 2390 cstr="\$cstr"'print \$os . ", Perl version " . \$];' 2391 for perli in \$PERL perl5 perl no; do 2392 if [[ \$perli = no ]]; then 2393 print Cannot find a working Perl interpreter, aborting. 2394 exit 1 2395 fi 2396 print "Trying Perl interpreter '\$perli'..." 2397 perlos=\$(\$perli -e "\$cstr") 2398 rv=\$? 2399 print "Errorlevel \$rv, running on '\$perlos'" 2400 if (( rv )); then 2401 print "=> not using" 2402 continue 2403 fi 2404 if [[ -n \$perlos ]]; then 2405 print "=> using it" 2406 break 2407 fi 2408 done 2409 (( Sflag )) || echo + \$perli "\${args[@]}" -s "\$sflag" "\$@" 2410 (( Sflag )) || exec \$perli "\${args[@]}" -s "\$sflag" "\$@"$tsts 2411 # use of the -S option for check.t split into multiple chunks 2412 rv=0 2413 for s in "\$sflag".*; do 2414 echo + \$perli "\${args[@]}" -s "\$s" "\$@" 2415 \$perli "\${args[@]}" -s "\$s" "\$@"$tsts 2416 rc=\$? 2417 (( rv = rv ? rv : rc )) 2418 done 2419 exit \$rv 2420 EOF 2421 chmod 755 test.sh 2422 case $cm in 2423 dragonegg) 2424 emitbc="-S -flto" 2425 ;; 2426 llvm) 2427 emitbc="-emit-llvm -c" 2428 ;; 2429 *) 2430 emitbc=-c 2431 ;; 2432 esac 2433 echo ": # work around NeXTstep bug" >Rebuild.sh 2434 for file in "$srcdir"/*.opt; do 2435 echo "echo + Running genopt on '$file'..." 2436 echo "(srcfile='$file'; BUILDSH_RUN_GENOPT=1; . '$srcdir/Build.sh')" 2437 done >>Rebuild.sh 2438 echo set -x >>Rebuild.sh 2439 for file in $SRCS; do 2440 op=`echo x"$file" | sed 's/^x\(.*\)\.c$/\1./'` 2441 test -f $file || file=$srcdir/$file 2442 files="$files$sp$file" 2443 sp=' ' 2444 echo "$CC $CFLAGS $CPPFLAGS $emitbc $file || exit 1" >>Rebuild.sh 2445 if test $cm = dragonegg; then 2446 echo "mv ${op}s ${op}ll" >>Rebuild.sh 2447 echo "llvm-as ${op}ll || exit 1" >>Rebuild.sh 2448 objs="$objs$sp${op}bc" 2449 else 2450 objs="$objs$sp${op}o" 2451 fi 2452 done 2453 case $cm in 2454 dragonegg|llvm) 2455 echo "rm -f $tfn.s" >>Rebuild.sh 2456 echo "llvm-link -o - $objs | opt $optflags | llc -o $tfn.s" >>Rebuild.sh 2457 lobjs=$tfn.s 2458 ;; 2459 *) 2460 lobjs=$objs 2461 ;; 2462 esac 2463 echo tcfn=$mkshexe >>Rebuild.sh 2464 echo "$CC $CFLAGS $LDFLAGS -o \$tcfn $lobjs $LIBS $ccpr" >>Rebuild.sh 2465 echo "test -f \$tcfn || exit 1; $SIZE \$tcfn" >>Rebuild.sh 2466 if test $cm = makefile; then 2467 extras='emacsfn.h rlimits.opt sh.h sh_flags.opt var_spec.h' 2468 test 0 = $HAVE_SYS_SIGNAME && extras="$extras signames.inc" 2469 gens= genq= 2470 for file in "$srcdir"/*.opt; do 2471 genf=`basename "$file" | sed 's/.opt$/.gen/'` 2472 gens="$gens $genf" 2473 genq="$genq$nl$genf: $srcdir/Build.sh $file 2474 srcfile=$file; BUILDSH_RUN_GENOPT=1; . $srcdir/Build.sh" 2475 done 2476 cat >Makefrag.inc <<EOF 2477 # Makefile fragment for building mksh $dstversion 2478 2479 PROG= $mkshexe 2480 MAN= mksh.1 2481 SRCS= $SRCS 2482 SRCS_FP= $files 2483 OBJS_BP= $objs 2484 INDSRCS= $extras 2485 NONSRCS_INST= dot.mkshrc \$(MAN) 2486 NONSRCS_NOINST= Build.sh Makefile Rebuild.sh check.pl check.t test.sh 2487 CC= $CC 2488 CFLAGS= $CFLAGS 2489 CPPFLAGS= $CPPFLAGS 2490 LDFLAGS= $LDFLAGS 2491 LIBS= $LIBS 2492 2493 .depend \$(OBJS_BP):$gens$genq 2494 2495 # not BSD make only: 2496 #VPATH= $srcdir 2497 #all: \$(PROG) 2498 #\$(PROG): \$(OBJS_BP) 2499 # \$(CC) \$(CFLAGS) \$(LDFLAGS) -o \$@ \$(OBJS_BP) \$(LIBS) 2500 #\$(OBJS_BP): \$(SRCS_FP) \$(NONSRCS) 2501 #.c.o: 2502 # \$(CC) \$(CFLAGS) \$(CPPFLAGS) -c \$< 2503 2504 # for all make variants: 2505 #REGRESS_FLAGS= -f 2506 #regress: 2507 # ./test.sh \$(REGRESS_FLAGS) 2508 check_categories=$check_categories 2509 2510 # for BSD make only: 2511 #.PATH: $srcdir 2512 #.include <bsd.prog.mk> 2513 EOF 2514 $e 2515 $e Generated Makefrag.inc successfully. 2516 exit 0 2517 fi 2518 for file in "$srcdir"/*.opt; do 2519 $e "+ Running genopt on '$file'..." 2520 do_genopt "$file" || exit 1 2521 done 2522 if test $cm = combine; then 2523 objs="-o $mkshexe" 2524 for file in $SRCS; do 2525 test -f $file || file=$srcdir/$file 2526 objs="$objs $file" 2527 done 2528 emitbc="-fwhole-program --combine" 2529 v "$CC $CFLAGS $CPPFLAGS $LDFLAGS $emitbc $objs $LIBS $ccpr" 2530 elif test 1 = $pm; then 2531 for file in $SRCS; do 2532 test -f $file || file=$srcdir/$file 2533 v "$CC $CFLAGS $CPPFLAGS $emitbc $file" & 2534 done 2535 wait 2536 else 2537 for file in $SRCS; do 2538 test $cm = dragonegg && \ 2539 op=`echo x"$file" | sed 's/^x\(.*\)\.c$/\1./'` 2540 test -f $file || file=$srcdir/$file 2541 v "$CC $CFLAGS $CPPFLAGS $emitbc $file" || exit 1 2542 if test $cm = dragonegg; then 2543 v "mv ${op}s ${op}ll" 2544 v "llvm-as ${op}ll" || exit 1 2545 fi 2546 done 2547 fi 2548 case $cm in 2549 dragonegg|llvm) 2550 rmf $tfn.s 2551 v "llvm-link -o - $objs | opt $optflags | llc -o $tfn.s" 2552 ;; 2553 esac 2554 tcfn=$mkshexe 2555 test $cm = combine || v "$CC $CFLAGS $LDFLAGS -o $tcfn $lobjs $LIBS $ccpr" 2556 test -f $tcfn || exit 1 2557 test 1 = $r || v "$NROFF -mdoc <'$srcdir/mksh.1' >$tfn.cat1" || \ 2558 rmf $tfn.cat1 2559 test 0 = $eq && v $SIZE $tcfn 2560 i=install 2561 test -f /usr/ucb/$i && i=/usr/ucb/$i 2562 test 1 = $eq && e=: 2563 $e 2564 $e Installing the shell: 2565 $e "# $i -c -s -o root -g bin -m 555 $tfn /bin/$tfn" 2566 if test $legacy = 0; then 2567 $e "# grep -x /bin/$tfn /etc/shells >/dev/null || echo /bin/$tfn >>/etc/shells" 2568 $e "# $i -c -o root -g bin -m 444 dot.mkshrc /usr/share/doc/mksh/examples/" 2569 fi 2570 $e 2571 $e Installing the manual: 2572 if test -f $tfn.cat1; then 2573 $e "# $i -c -o root -g bin -m 444 $tfn.cat1" \ 2574 "/usr/share/man/cat1/$tfn.0" 2575 $e or 2576 fi 2577 $e "# $i -c -o root -g bin -m 444 $tfn.1 /usr/share/man/man1/$tfn.1" 2578 $e 2579 $e Run the regression test suite: ./test.sh 2580 $e Please also read the sample file dot.mkshrc and the fine manual. 2581 exit 0 2582 2583 : <<'EOD' 2584 2585 === Environment used === 2586 2587 ==== build environment ==== 2588 AWK default: awk 2589 CC default: cc 2590 CFLAGS if empty, defaults to -xO2 or +O2 2591 or -O3 -qstrict or -O2, per compiler 2592 CPPFLAGS default empty 2593 LDFLAGS default empty; added before sources 2594 LDSTATIC set this to '-static'; default unset 2595 LIBS default empty; added after sources 2596 [Interix] default: -lcrypt (XXX still needed?) 2597 NOWARN -Wno-error or similar 2598 NROFF default: nroff 2599 TARGET_OS default: $(uname -s || uname) 2600 TARGET_OSREV [QNX] default: $(uname -r) 2601 2602 ==== feature selectors ==== 2603 USE_PRINTF_BUILTIN 1 to include (unsupported) printf(1) as builtin 2604 ===== general format ===== 2605 HAVE_STRLEN ac_test 2606 HAVE_STRING_H ac_header 2607 HAVE_CAN_FSTACKPROTECTORALL ac_flags 2608 2609 ==== cpp definitions ==== 2610 DEBUG dont use in production, wants gcc, implies: 2611 DEBUG_LEAKS enable freeing resources before exiting 2612 MKSHRC_PATH "~/.mkshrc" (do not change) 2613 MKSH_A4PB force use of arc4random_pushb 2614 MKSH_ASSUME_UTF8 (0=disabled, 1=enabled; default: unset) 2615 MKSH_BINSHPOSIX if */sh or */-sh, enable set -o posix 2616 MKSH_BINSHREDUCED if */sh or */-sh, enable set -o sh 2617 MKSH_CLRTOEOL_STRING "\033[K" 2618 MKSH_CLS_STRING "\033[;H\033[J" 2619 MKSH_CONSERVATIVE_FDS fd 0-9 for scripts, shell only up to 31 2620 MKSH_DEFAULT_EXECSHELL "/bin/sh" (do not change) 2621 MKSH_DEFAULT_PROFILEDIR "/etc" (do not change) 2622 MKSH_DEFAULT_TMPDIR "/tmp" (do not change) 2623 MKSH_DISABLE_DEPRECATED disable code paths scheduled for later removal 2624 MKSH_DISABLE_EXPERIMENTAL disable code not yet comfy for (LTS) snapshots 2625 MKSH_DISABLE_TTY_WARNING shut up warning about ctty if OS cant be fixed 2626 MKSH_DONT_EMIT_IDSTRING omit RCS IDs from binary 2627 MKSH_MIDNIGHTBSD01ASH_COMPAT set -o sh: additional compatibility quirk 2628 MKSH_NOPROSPECTOFWORK disable jobs, co-processes, etc. (do not use) 2629 MKSH_NOPWNAM skip PAM calls, for -static on glibc or Solaris 2630 MKSH_NO_CMDLINE_EDITING disable command line editing code entirely 2631 MKSH_NO_DEPRECATED_WARNING omit warning when deprecated stuff is run 2632 MKSH_NO_EXTERNAL_CAT omit hack to skip cat builtin when flags passed 2633 MKSH_NO_LIMITS omit ulimit code 2634 MKSH_NO_SIGSETJMP define if sigsetjmp is broken or not available 2635 MKSH_NO_SIGSUSPEND use sigprocmask+pause instead of sigsuspend 2636 MKSH_SMALL omit some code, optimise hard for size (slower) 2637 MKSH_SMALL_BUT_FAST disable some hard-for-size optim. (modern sys.) 2638 MKSH_S_NOVI=1 disable Vi editing mode (default if MKSH_SMALL) 2639 MKSH_TYPEDEF_SIG_ATOMIC_T define to e.g. 'int' if sig_atomic_t is missing 2640 MKSH_TYPEDEF_SSIZE_T define to e.g. 'long' if your OS has no ssize_t 2641 MKSH_UNEMPLOYED disable job control (but not jobs/co-processes) 2642 2643 === generic installation instructions === 2644 2645 Set CC and possibly CFLAGS, CPPFLAGS, LDFLAGS, LIBS. If cross-compiling, 2646 also set TARGET_OS. To disable tests, set e.g. HAVE_STRLCPY=0; to enable 2647 them, set to a value other than 0 or 1. Ensure /bin/ed is installed. For 2648 MKSH_SMALL but with Vi mode, add -DMKSH_S_NOVI=0 to CPPFLAGS as well. 2649 2650 Normally, the following command is what you want to run, then: 2651 $ (sh Build.sh -r -c lto && ./test.sh -f) 2>&1 | tee log 2652 2653 Copy dot.mkshrc to /etc/skel/.mkshrc; install mksh into $prefix/bin; or 2654 /bin; install the manpage, if omitting the -r flag a catmanpage is made 2655 using $NROFF. Consider using a forward script as /etc/skel/.mkshrc like 2656 http://anonscm.debian.org/cgit/collab-maint/mksh.git/plain/debian/.mkshrc 2657 and put dot.mkshrc as /etc/mkshrc so users need not keep up their HOME. 2658 2659 EOD 2660
