depcomp (23568B)
1#! /bin/sh 2# depcomp - compile a program generating dependencies as side-effects 3 4scriptversion=2018-03-07.03; # UTC 5 6# Copyright (C) 1999-2021 Free Software Foundation, Inc. 7 8# This program is free software; you can redistribute it and/or modify 9# it under the terms of the GNU General Public License as published by 10# the Free Software Foundation; either version 2, or (at your option) 11# any later version. 12 13# This program is distributed in the hope that it will be useful, 14# but WITHOUT ANY WARRANTY; without even the implied warranty of 15# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16# GNU General Public License for more details. 17 18# You should have received a copy of the GNU General Public License 19# along with this program. If not, see <https://www.gnu.org/licenses/>. 20 21# As a special exception to the GNU General Public License, if you 22# distribute this file as part of a program that contains a 23# configuration script generated by Autoconf, you may include it under 24# the same distribution terms that you use for the rest of that program. 25 26# Originally written by Alexandre Oliva <oliva@dcc.unicamp.br>. 27 28case $1 in 29 '') 30 echo "$0: No command. Try '$0 --help' for more information." 1>&2 31 exit 1; 32 ;; 33 -h | --h*) 34 cat <<\EOF 35Usage: depcomp [--help] [--version] PROGRAM [ARGS] 36 37Run PROGRAMS ARGS to compile a file, generating dependencies 38as side-effects. 39 40Environment variables: 41 depmode Dependency tracking mode. 42 source Source file read by 'PROGRAMS ARGS'. 43 object Object file output by 'PROGRAMS ARGS'. 44 DEPDIR directory where to store dependencies. 45 depfile Dependency file to output. 46 tmpdepfile Temporary file to use when outputting dependencies. 47 libtool Whether libtool is used (yes/no). 48 49Report bugs to <bug-automake@gnu.org>. 50EOF 51 exit $? 52 ;; 53 -v | --v*) 54 echo "depcomp $scriptversion" 55 exit $? 56 ;; 57esac 58 59# Get the directory component of the given path, and save it in the 60# global variables '$dir'. Note that this directory component will 61# be either empty or ending with a '/' character. This is deliberate. 62set_dir_from () 63{ 64 case $1 in 65 */*) dir=`echo "$1" | sed -e 's|/[^/]*$|/|'`;; 66 *) dir=;; 67 esac 68} 69 70# Get the suffix-stripped basename of the given path, and save it the 71# global variable '$base'. 72set_base_from () 73{ 74 base=`echo "$1" | sed -e 's|^.*/||' -e 's/\.[^.]*$//'` 75} 76 77# If no dependency file was actually created by the compiler invocation, 78# we still have to create a dummy depfile, to avoid errors with the 79# Makefile "include basename.Plo" scheme. 80make_dummy_depfile () 81{ 82 echo "#dummy" > "$depfile" 83} 84 85# Factor out some common post-processing of the generated depfile. 86# Requires the auxiliary global variable '$tmpdepfile' to be set. 87aix_post_process_depfile () 88{ 89 # If the compiler actually managed to produce a dependency file, 90 # post-process it. 91 if test -f "$tmpdepfile"; then 92 # Each line is of the form 'foo.o: dependency.h'. 93 # Do two passes, one to just change these to 94 # $object: dependency.h 95 # and one to simply output 96 # dependency.h: 97 # which is needed to avoid the deleted-header problem. 98 { sed -e "s,^.*\.[$lower]*:,$object:," < "$tmpdepfile" 99 sed -e "s,^.*\.[$lower]*:[$tab ]*,," -e 's,$,:,' < "$tmpdepfile" 100 } > "$depfile" 101 rm -f "$tmpdepfile" 102 else 103 make_dummy_depfile 104 fi 105} 106 107# A tabulation character. 108tab=' ' 109# A newline character. 110nl=' 111' 112# Character ranges might be problematic outside the C locale. 113# These definitions help. 114upper=ABCDEFGHIJKLMNOPQRSTUVWXYZ 115lower=abcdefghijklmnopqrstuvwxyz 116digits=0123456789 117alpha=${upper}${lower} 118 119if test -z "$depmode" || test -z "$source" || test -z "$object"; then 120 echo "depcomp: Variables source, object and depmode must be set" 1>&2 121 exit 1 122fi 123 124# Dependencies for sub/bar.o or sub/bar.obj go into sub/.deps/bar.Po. 125depfile=${depfile-`echo "$object" | 126 sed 's|[^\\/]*$|'${DEPDIR-.deps}'/&|;s|\.\([^.]*\)$|.P\1|;s|Pobj$|Po|'`} 127tmpdepfile=${tmpdepfile-`echo "$depfile" | sed 's/\.\([^.]*\)$/.T\1/'`} 128 129rm -f "$tmpdepfile" 130 131# Avoid interferences from the environment. 132gccflag= dashmflag= 133 134# Some modes work just like other modes, but use different flags. We 135# parameterize here, but still list the modes in the big case below, 136# to make depend.m4 easier to write. Note that we *cannot* use a case 137# here, because this file can only contain one case statement. 138if test "$depmode" = hp; then 139 # HP compiler uses -M and no extra arg. 140 gccflag=-M 141 depmode=gcc 142fi 143 144if test "$depmode" = dashXmstdout; then 145 # This is just like dashmstdout with a different argument. 146 dashmflag=-xM 147 depmode=dashmstdout 148fi 149 150cygpath_u="cygpath -u -f -" 151if test "$depmode" = msvcmsys; then 152 # This is just like msvisualcpp but w/o cygpath translation. 153 # Just convert the backslash-escaped backslashes to single forward 154 # slashes to satisfy depend.m4 155 cygpath_u='sed s,\\\\,/,g' 156 depmode=msvisualcpp 157fi 158 159if test "$depmode" = msvc7msys; then 160 # This is just like msvc7 but w/o cygpath translation. 161 # Just convert the backslash-escaped backslashes to single forward 162 # slashes to satisfy depend.m4 163 cygpath_u='sed s,\\\\,/,g' 164 depmode=msvc7 165fi 166 167if test "$depmode" = xlc; then 168 # IBM C/C++ Compilers xlc/xlC can output gcc-like dependency information. 169 gccflag=-qmakedep=gcc,-MF 170 depmode=gcc 171fi 172 173case "$depmode" in 174gcc3) 175## gcc 3 implements dependency tracking that does exactly what 176## we want. Yay! Note: for some reason libtool 1.4 doesn't like 177## it if -MD -MP comes after the -MF stuff. Hmm. 178## Unfortunately, FreeBSD c89 acceptance of flags depends upon 179## the command line argument order; so add the flags where they 180## appear in depend2.am. Note that the slowdown incurred here 181## affects only configure: in makefiles, %FASTDEP% shortcuts this. 182 for arg 183 do 184 case $arg in 185 -c) set fnord "$@" -MT "$object" -MD -MP -MF "$tmpdepfile" "$arg" ;; 186 *) set fnord "$@" "$arg" ;; 187 esac 188 shift # fnord 189 shift # $arg 190 done 191 "$@" 192 stat=$? 193 if test $stat -ne 0; then 194 rm -f "$tmpdepfile" 195 exit $stat 196 fi 197 mv "$tmpdepfile" "$depfile" 198 ;; 199 200gcc) 201## Note that this doesn't just cater to obsosete pre-3.x GCC compilers. 202## but also to in-use compilers like IMB xlc/xlC and the HP C compiler. 203## (see the conditional assignment to $gccflag above). 204## There are various ways to get dependency output from gcc. Here's 205## why we pick this rather obscure method: 206## - Don't want to use -MD because we'd like the dependencies to end 207## up in a subdir. Having to rename by hand is ugly. 208## (We might end up doing this anyway to support other compilers.) 209## - The DEPENDENCIES_OUTPUT environment variable makes gcc act like 210## -MM, not -M (despite what the docs say). Also, it might not be 211## supported by the other compilers which use the 'gcc' depmode. 212## - Using -M directly means running the compiler twice (even worse 213## than renaming). 214 if test -z "$gccflag"; then 215 gccflag=-MD, 216 fi 217 "$@" -Wp,"$gccflag$tmpdepfile" 218 stat=$? 219 if test $stat -ne 0; then 220 rm -f "$tmpdepfile" 221 exit $stat 222 fi 223 rm -f "$depfile" 224 echo "$object : \\" > "$depfile" 225 # The second -e expression handles DOS-style file names with drive 226 # letters. 227 sed -e 's/^[^:]*: / /' \ 228 -e 's/^['$alpha']:\/[^:]*: / /' < "$tmpdepfile" >> "$depfile" 229## This next piece of magic avoids the "deleted header file" problem. 230## The problem is that when a header file which appears in a .P file 231## is deleted, the dependency causes make to die (because there is 232## typically no way to rebuild the header). We avoid this by adding 233## dummy dependencies for each header file. Too bad gcc doesn't do 234## this for us directly. 235## Some versions of gcc put a space before the ':'. On the theory 236## that the space means something, we add a space to the output as 237## well. hp depmode also adds that space, but also prefixes the VPATH 238## to the object. Take care to not repeat it in the output. 239## Some versions of the HPUX 10.20 sed can't process this invocation 240## correctly. Breaking it into two sed invocations is a workaround. 241 tr ' ' "$nl" < "$tmpdepfile" \ 242 | sed -e 's/^\\$//' -e '/^$/d' -e "s|.*$object$||" -e '/:$/d' \ 243 | sed -e 's/$/ :/' >> "$depfile" 244 rm -f "$tmpdepfile" 245 ;; 246 247hp) 248 # This case exists only to let depend.m4 do its work. It works by 249 # looking at the text of this script. This case will never be run, 250 # since it is checked for above. 251 exit 1 252 ;; 253 254sgi) 255 if test "$libtool" = yes; then 256 "$@" "-Wp,-MDupdate,$tmpdepfile" 257 else 258 "$@" -MDupdate "$tmpdepfile" 259 fi 260 stat=$? 261 if test $stat -ne 0; then 262 rm -f "$tmpdepfile" 263 exit $stat 264 fi 265 rm -f "$depfile" 266 267 if test -f "$tmpdepfile"; then # yes, the sourcefile depend on other files 268 echo "$object : \\" > "$depfile" 269 # Clip off the initial element (the dependent). Don't try to be 270 # clever and replace this with sed code, as IRIX sed won't handle 271 # lines with more than a fixed number of characters (4096 in 272 # IRIX 6.2 sed, 8192 in IRIX 6.5). We also remove comment lines; 273 # the IRIX cc adds comments like '#:fec' to the end of the 274 # dependency line. 275 tr ' ' "$nl" < "$tmpdepfile" \ 276 | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' \ 277 | tr "$nl" ' ' >> "$depfile" 278 echo >> "$depfile" 279 # The second pass generates a dummy entry for each header file. 280 tr ' ' "$nl" < "$tmpdepfile" \ 281 | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' -e 's/$/:/' \ 282 >> "$depfile" 283 else 284 make_dummy_depfile 285 fi 286 rm -f "$tmpdepfile" 287 ;; 288 289xlc) 290 # This case exists only to let depend.m4 do its work. It works by 291 # looking at the text of this script. This case will never be run, 292 # since it is checked for above. 293 exit 1 294 ;; 295 296aix) 297 # The C for AIX Compiler uses -M and outputs the dependencies 298 # in a .u file. In older versions, this file always lives in the 299 # current directory. Also, the AIX compiler puts '$object:' at the 300 # start of each line; $object doesn't have directory information. 301 # Version 6 uses the directory in both cases. 302 set_dir_from "$object" 303 set_base_from "$object" 304 if test "$libtool" = yes; then 305 tmpdepfile1=$dir$base.u 306 tmpdepfile2=$base.u 307 tmpdepfile3=$dir.libs/$base.u 308 "$@" -Wc,-M 309 else 310 tmpdepfile1=$dir$base.u 311 tmpdepfile2=$dir$base.u 312 tmpdepfile3=$dir$base.u 313 "$@" -M 314 fi 315 stat=$? 316 if test $stat -ne 0; then 317 rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" 318 exit $stat 319 fi 320 321 for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" 322 do 323 test -f "$tmpdepfile" && break 324 done 325 aix_post_process_depfile 326 ;; 327 328tcc) 329 # tcc (Tiny C Compiler) understand '-MD -MF file' since version 0.9.26 330 # FIXME: That version still under development at the moment of writing. 331 # Make that this statement remains true also for stable, released 332 # versions. 333 # It will wrap lines (doesn't matter whether long or short) with a 334 # trailing '\', as in: 335 # 336 # foo.o : \ 337 # foo.c \ 338 # foo.h \ 339 # 340 # It will put a trailing '\' even on the last line, and will use leading 341 # spaces rather than leading tabs (at least since its commit 0394caf7 342 # "Emit spaces for -MD"). 343 "$@" -MD -MF "$tmpdepfile" 344 stat=$? 345 if test $stat -ne 0; then 346 rm -f "$tmpdepfile" 347 exit $stat 348 fi 349 rm -f "$depfile" 350 # Each non-empty line is of the form 'foo.o : \' or ' dep.h \'. 351 # We have to change lines of the first kind to '$object: \'. 352 sed -e "s|.*:|$object :|" < "$tmpdepfile" > "$depfile" 353 # And for each line of the second kind, we have to emit a 'dep.h:' 354 # dummy dependency, to avoid the deleted-header problem. 355 sed -n -e 's|^ *\(.*\) *\\$|\1:|p' < "$tmpdepfile" >> "$depfile" 356 rm -f "$tmpdepfile" 357 ;; 358 359## The order of this option in the case statement is important, since the 360## shell code in configure will try each of these formats in the order 361## listed in this file. A plain '-MD' option would be understood by many 362## compilers, so we must ensure this comes after the gcc and icc options. 363pgcc) 364 # Portland's C compiler understands '-MD'. 365 # Will always output deps to 'file.d' where file is the root name of the 366 # source file under compilation, even if file resides in a subdirectory. 367 # The object file name does not affect the name of the '.d' file. 368 # pgcc 10.2 will output 369 # foo.o: sub/foo.c sub/foo.h 370 # and will wrap long lines using '\' : 371 # foo.o: sub/foo.c ... \ 372 # sub/foo.h ... \ 373 # ... 374 set_dir_from "$object" 375 # Use the source, not the object, to determine the base name, since 376 # that's sadly what pgcc will do too. 377 set_base_from "$source" 378 tmpdepfile=$base.d 379 380 # For projects that build the same source file twice into different object 381 # files, the pgcc approach of using the *source* file root name can cause 382 # problems in parallel builds. Use a locking strategy to avoid stomping on 383 # the same $tmpdepfile. 384 lockdir=$base.d-lock 385 trap " 386 echo '$0: caught signal, cleaning up...' >&2 387 rmdir '$lockdir' 388 exit 1 389 " 1 2 13 15 390 numtries=100 391 i=$numtries 392 while test $i -gt 0; do 393 # mkdir is a portable test-and-set. 394 if mkdir "$lockdir" 2>/dev/null; then 395 # This process acquired the lock. 396 "$@" -MD 397 stat=$? 398 # Release the lock. 399 rmdir "$lockdir" 400 break 401 else 402 # If the lock is being held by a different process, wait 403 # until the winning process is done or we timeout. 404 while test -d "$lockdir" && test $i -gt 0; do 405 sleep 1 406 i=`expr $i - 1` 407 done 408 fi 409 i=`expr $i - 1` 410 done 411 trap - 1 2 13 15 412 if test $i -le 0; then 413 echo "$0: failed to acquire lock after $numtries attempts" >&2 414 echo "$0: check lockdir '$lockdir'" >&2 415 exit 1 416 fi 417 418 if test $stat -ne 0; then 419 rm -f "$tmpdepfile" 420 exit $stat 421 fi 422 rm -f "$depfile" 423 # Each line is of the form `foo.o: dependent.h', 424 # or `foo.o: dep1.h dep2.h \', or ` dep3.h dep4.h \'. 425 # Do two passes, one to just change these to 426 # `$object: dependent.h' and one to simply `dependent.h:'. 427 sed "s,^[^:]*:,$object :," < "$tmpdepfile" > "$depfile" 428 # Some versions of the HPUX 10.20 sed can't process this invocation 429 # correctly. Breaking it into two sed invocations is a workaround. 430 sed 's,^[^:]*: \(.*\)$,\1,;s/^\\$//;/^$/d;/:$/d' < "$tmpdepfile" \ 431 | sed -e 's/$/ :/' >> "$depfile" 432 rm -f "$tmpdepfile" 433 ;; 434 435hp2) 436 # The "hp" stanza above does not work with aCC (C++) and HP's ia64 437 # compilers, which have integrated preprocessors. The correct option 438 # to use with these is +Maked; it writes dependencies to a file named 439 # 'foo.d', which lands next to the object file, wherever that 440 # happens to be. 441 # Much of this is similar to the tru64 case; see comments there. 442 set_dir_from "$object" 443 set_base_from "$object" 444 if test "$libtool" = yes; then 445 tmpdepfile1=$dir$base.d 446 tmpdepfile2=$dir.libs/$base.d 447 "$@" -Wc,+Maked 448 else 449 tmpdepfile1=$dir$base.d 450 tmpdepfile2=$dir$base.d 451 "$@" +Maked 452 fi 453 stat=$? 454 if test $stat -ne 0; then 455 rm -f "$tmpdepfile1" "$tmpdepfile2" 456 exit $stat 457 fi 458 459 for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" 460 do 461 test -f "$tmpdepfile" && break 462 done 463 if test -f "$tmpdepfile"; then 464 sed -e "s,^.*\.[$lower]*:,$object:," "$tmpdepfile" > "$depfile" 465 # Add 'dependent.h:' lines. 466 sed -ne '2,${ 467 s/^ *// 468 s/ \\*$// 469 s/$/:/ 470 p 471 }' "$tmpdepfile" >> "$depfile" 472 else 473 make_dummy_depfile 474 fi 475 rm -f "$tmpdepfile" "$tmpdepfile2" 476 ;; 477 478tru64) 479 # The Tru64 compiler uses -MD to generate dependencies as a side 480 # effect. 'cc -MD -o foo.o ...' puts the dependencies into 'foo.o.d'. 481 # At least on Alpha/Redhat 6.1, Compaq CCC V6.2-504 seems to put 482 # dependencies in 'foo.d' instead, so we check for that too. 483 # Subdirectories are respected. 484 set_dir_from "$object" 485 set_base_from "$object" 486 487 if test "$libtool" = yes; then 488 # Libtool generates 2 separate objects for the 2 libraries. These 489 # two compilations output dependencies in $dir.libs/$base.o.d and 490 # in $dir$base.o.d. We have to check for both files, because 491 # one of the two compilations can be disabled. We should prefer 492 # $dir$base.o.d over $dir.libs/$base.o.d because the latter is 493 # automatically cleaned when .libs/ is deleted, while ignoring 494 # the former would cause a distcleancheck panic. 495 tmpdepfile1=$dir$base.o.d # libtool 1.5 496 tmpdepfile2=$dir.libs/$base.o.d # Likewise. 497 tmpdepfile3=$dir.libs/$base.d # Compaq CCC V6.2-504 498 "$@" -Wc,-MD 499 else 500 tmpdepfile1=$dir$base.d 501 tmpdepfile2=$dir$base.d 502 tmpdepfile3=$dir$base.d 503 "$@" -MD 504 fi 505 506 stat=$? 507 if test $stat -ne 0; then 508 rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" 509 exit $stat 510 fi 511 512 for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" 513 do 514 test -f "$tmpdepfile" && break 515 done 516 # Same post-processing that is required for AIX mode. 517 aix_post_process_depfile 518 ;; 519 520msvc7) 521 if test "$libtool" = yes; then 522 showIncludes=-Wc,-showIncludes 523 else 524 showIncludes=-showIncludes 525 fi 526 "$@" $showIncludes > "$tmpdepfile" 527 stat=$? 528 grep -v '^Note: including file: ' "$tmpdepfile" 529 if test $stat -ne 0; then 530 rm -f "$tmpdepfile" 531 exit $stat 532 fi 533 rm -f "$depfile" 534 echo "$object : \\" > "$depfile" 535 # The first sed program below extracts the file names and escapes 536 # backslashes for cygpath. The second sed program outputs the file 537 # name when reading, but also accumulates all include files in the 538 # hold buffer in order to output them again at the end. This only 539 # works with sed implementations that can handle large buffers. 540 sed < "$tmpdepfile" -n ' 541/^Note: including file: *\(.*\)/ { 542 s//\1/ 543 s/\\/\\\\/g 544 p 545}' | $cygpath_u | sort -u | sed -n ' 546s/ /\\ /g 547s/\(.*\)/'"$tab"'\1 \\/p 548s/.\(.*\) \\/\1:/ 549H 550$ { 551 s/.*/'"$tab"'/ 552 G 553 p 554}' >> "$depfile" 555 echo >> "$depfile" # make sure the fragment doesn't end with a backslash 556 rm -f "$tmpdepfile" 557 ;; 558 559msvc7msys) 560 # This case exists only to let depend.m4 do its work. It works by 561 # looking at the text of this script. This case will never be run, 562 # since it is checked for above. 563 exit 1 564 ;; 565 566#nosideeffect) 567 # This comment above is used by automake to tell side-effect 568 # dependency tracking mechanisms from slower ones. 569 570dashmstdout) 571 # Important note: in order to support this mode, a compiler *must* 572 # always write the preprocessed file to stdout, regardless of -o. 573 "$@" || exit $? 574 575 # Remove the call to Libtool. 576 if test "$libtool" = yes; then 577 while test "X$1" != 'X--mode=compile'; do 578 shift 579 done 580 shift 581 fi 582 583 # Remove '-o $object'. 584 IFS=" " 585 for arg 586 do 587 case $arg in 588 -o) 589 shift 590 ;; 591 $object) 592 shift 593 ;; 594 *) 595 set fnord "$@" "$arg" 596 shift # fnord 597 shift # $arg 598 ;; 599 esac 600 done 601 602 test -z "$dashmflag" && dashmflag=-M 603 # Require at least two characters before searching for ':' 604 # in the target name. This is to cope with DOS-style filenames: 605 # a dependency such as 'c:/foo/bar' could be seen as target 'c' otherwise. 606 "$@" $dashmflag | 607 sed "s|^[$tab ]*[^:$tab ][^:][^:]*:[$tab ]*|$object: |" > "$tmpdepfile" 608 rm -f "$depfile" 609 cat < "$tmpdepfile" > "$depfile" 610 # Some versions of the HPUX 10.20 sed can't process this sed invocation 611 # correctly. Breaking it into two sed invocations is a workaround. 612 tr ' ' "$nl" < "$tmpdepfile" \ 613 | sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' \ 614 | sed -e 's/$/ :/' >> "$depfile" 615 rm -f "$tmpdepfile" 616 ;; 617 618dashXmstdout) 619 # This case only exists to satisfy depend.m4. It is never actually 620 # run, as this mode is specially recognized in the preamble. 621 exit 1 622 ;; 623 624makedepend) 625 "$@" || exit $? 626 # Remove any Libtool call 627 if test "$libtool" = yes; then 628 while test "X$1" != 'X--mode=compile'; do 629 shift 630 done 631 shift 632 fi 633 # X makedepend 634 shift 635 cleared=no eat=no 636 for arg 637 do 638 case $cleared in 639 no) 640 set ""; shift 641 cleared=yes ;; 642 esac 643 if test $eat = yes; then 644 eat=no 645 continue 646 fi 647 case "$arg" in 648 -D*|-I*) 649 set fnord "$@" "$arg"; shift ;; 650 # Strip any option that makedepend may not understand. Remove 651 # the object too, otherwise makedepend will parse it as a source file. 652 -arch) 653 eat=yes ;; 654 -*|$object) 655 ;; 656 *) 657 set fnord "$@" "$arg"; shift ;; 658 esac 659 done 660 obj_suffix=`echo "$object" | sed 's/^.*\././'` 661 touch "$tmpdepfile" 662 ${MAKEDEPEND-makedepend} -o"$obj_suffix" -f"$tmpdepfile" "$@" 663 rm -f "$depfile" 664 # makedepend may prepend the VPATH from the source file name to the object. 665 # No need to regex-escape $object, excess matching of '.' is harmless. 666 sed "s|^.*\($object *:\)|\1|" "$tmpdepfile" > "$depfile" 667 # Some versions of the HPUX 10.20 sed can't process the last invocation 668 # correctly. Breaking it into two sed invocations is a workaround. 669 sed '1,2d' "$tmpdepfile" \ 670 | tr ' ' "$nl" \ 671 | sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' \ 672 | sed -e 's/$/ :/' >> "$depfile" 673 rm -f "$tmpdepfile" "$tmpdepfile".bak 674 ;; 675 676cpp) 677 # Important note: in order to support this mode, a compiler *must* 678 # always write the preprocessed file to stdout. 679 "$@" || exit $? 680 681 # Remove the call to Libtool. 682 if test "$libtool" = yes; then 683 while test "X$1" != 'X--mode=compile'; do 684 shift 685 done 686 shift 687 fi 688 689 # Remove '-o $object'. 690 IFS=" " 691 for arg 692 do 693 case $arg in 694 -o) 695 shift 696 ;; 697 $object) 698 shift 699 ;; 700 *) 701 set fnord "$@" "$arg" 702 shift # fnord 703 shift # $arg 704 ;; 705 esac 706 done 707 708 "$@" -E \ 709 | sed -n -e '/^# [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' \ 710 -e '/^#line [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' \ 711 | sed '$ s: \\$::' > "$tmpdepfile" 712 rm -f "$depfile" 713 echo "$object : \\" > "$depfile" 714 cat < "$tmpdepfile" >> "$depfile" 715 sed < "$tmpdepfile" '/^$/d;s/^ //;s/ \\$//;s/$/ :/' >> "$depfile" 716 rm -f "$tmpdepfile" 717 ;; 718 719msvisualcpp) 720 # Important note: in order to support this mode, a compiler *must* 721 # always write the preprocessed file to stdout. 722 "$@" || exit $? 723 724 # Remove the call to Libtool. 725 if test "$libtool" = yes; then 726 while test "X$1" != 'X--mode=compile'; do 727 shift 728 done 729 shift 730 fi 731 732 IFS=" " 733 for arg 734 do 735 case "$arg" in 736 -o) 737 shift 738 ;; 739 $object) 740 shift 741 ;; 742 "-Gm"|"/Gm"|"-Gi"|"/Gi"|"-ZI"|"/ZI") 743 set fnord "$@" 744 shift 745 shift 746 ;; 747 *) 748 set fnord "$@" "$arg" 749 shift 750 shift 751 ;; 752 esac 753 done 754 "$@" -E 2>/dev/null | 755 sed -n '/^#line [0-9][0-9]* "\([^"]*\)"/ s::\1:p' | $cygpath_u | sort -u > "$tmpdepfile" 756 rm -f "$depfile" 757 echo "$object : \\" > "$depfile" 758 sed < "$tmpdepfile" -n -e 's% %\\ %g' -e '/^\(.*\)$/ s::'"$tab"'\1 \\:p' >> "$depfile" 759 echo "$tab" >> "$depfile" 760 sed < "$tmpdepfile" -n -e 's% %\\ %g' -e '/^\(.*\)$/ s::\1\::p' >> "$depfile" 761 rm -f "$tmpdepfile" 762 ;; 763 764msvcmsys) 765 # This case exists only to let depend.m4 do its work. It works by 766 # looking at the text of this script. This case will never be run, 767 # since it is checked for above. 768 exit 1 769 ;; 770 771none) 772 exec "$@" 773 ;; 774 775*) 776 echo "Unknown depmode $depmode" 1>&2 777 exit 1 778 ;; 779esac 780 781exit 0 782 783# Local Variables: 784# mode: shell-script 785# sh-indentation: 2 786# eval: (add-hook 'before-save-hook 'time-stamp) 787# time-stamp-start: "scriptversion=" 788# time-stamp-format: "%:y-%02m-%02d.%02H" 789# time-stamp-time-zone: "UTC0" 790# time-stamp-end: "; # UTC" 791# End: