1 #! /bin/sh 2 # depcomp - compile a program generating dependencies as side-effects 3 4 scriptversion=2013-05-30.07; # UTC 5 6 # Copyright (C) 1999-2014 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 <http://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 (at] dcc.unicamp.br>. 27 28 case $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 35 Usage: depcomp [--help] [--version] PROGRAM [ARGS] 36 37 Run PROGRAMS ARGS to compile a file, generating dependencies 38 as side-effects. 39 40 Environment 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 49 Report bugs to <bug-automake@gnu.org>. 50 EOF 51 exit $? 52 ;; 53 -v | --v*) 54 echo "depcomp $scriptversion" 55 exit $? 56 ;; 57 esac 58 59 # Get the directory component of the given path, and save it in the 60 # global variables '$dir'. Note that this directory component will 61 # be either empty or ending with a '/' character. This is deliberate. 62 set_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'. 72 set_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. 80 make_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. 87 aix_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. 108 tab=' ' 109 # A newline character. 110 nl=' 111 ' 112 # Character ranges might be problematic outside the C locale. 113 # These definitions help. 114 upper=ABCDEFGHIJKLMNOPQRSTUVWXYZ 115 lower=abcdefghijklmnopqrstuvwxyz 116 digits=0123456789 117 alpha=${upper}${lower} 118 119 if test -z "$depmode" || test -z "$source" || test -z "$object"; then 120 echo "depcomp: Variables source, object and depmode must be set" 1>&2 121 exit 1 122 fi 123 124 # Dependencies for sub/bar.o or sub/bar.obj go into sub/.deps/bar.Po. 125 depfile=${depfile-`echo "$object" | 126 sed 's|[^\\/]*$|'${DEPDIR-.deps}'/&|;s|\.\([^.]*\)$|.P\1|;s|Pobj$|Po|'`} 127 tmpdepfile=${tmpdepfile-`echo "$depfile" | sed 's/\.\([^.]*\)$/.T\1/'`} 128 129 rm -f "$tmpdepfile" 130 131 # Avoid interferences from the environment. 132 gccflag= 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. 138 if test "$depmode" = hp; then 139 # HP compiler uses -M and no extra arg. 140 gccflag=-M 141 depmode=gcc 142 fi 143 144 if test "$depmode" = dashXmstdout; then 145 # This is just like dashmstdout with a different argument. 146 dashmflag=-xM 147 depmode=dashmstdout 148 fi 149 150 cygpath_u="cygpath -u -f -" 151 if test "$depmode" = msvcmsys; then 152 # This is just like msvisualcpp but w/o cygpath translation. 153 # Just convert the backslash-escaped backslashes to single forward 154 # slashes to satisfy depend.m4 155 cygpath_u='sed s,\\\\,/,g' 156 depmode=msvisualcpp 157 fi 158 159 if test "$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 165 fi 166 167 if test "$depmode" = xlc; then 168 # IBM C/C++ Compilers xlc/xlC can output gcc-like dependency information. 169 gccflag=-qmakedep=gcc,-MF 170 depmode=gcc 171 fi 172 173 case "$depmode" in 174 gcc3) 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 ;; 199 200 gcc) 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 "$tmpdepfile" 245 ;; 246 247 hp) 248 # This case exists only to let depend.m4 do its work. It works by 249 # looking at the text of this script. This case will never be run, 250 # since it is checked for above. 251 exit 1 252 ;; 253 254 xlc) 255 # This case exists only to let depend.m4 do its work. It works by 256 # looking at the text of this script. This case will never be run, 257 # since it is checked for above. 258 exit 1 259 ;; 260 261 aix) 262 # The C for AIX Compiler uses -M and outputs the dependencies 263 # in a .u file. In older versions, this file always lives in the 264 # current directory. Also, the AIX compiler puts '$object:' at the 265 # start of each line; $object doesn't have directory information. 266 # Version 6 uses the directory in both cases. 267 set_dir_from "$object" 268 set_base_from "$object" 269 if test "$libtool" = yes; then 270 tmpdepfile1=$dir$base.u 271 tmpdepfile2=$base.u 272 tmpdepfile3=$dir.libs/$base.u 273 "$@" -Wc,-M 274 else 275 tmpdepfile1=$dir$base.u 276 tmpdepfile2=$dir$base.u 277 tmpdepfile3=$dir$base.u 278 "$@" -M 279 fi 280 stat=$? 281 if test $stat -ne 0; then 282 rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" 283 exit $stat 284 fi 285 286 for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" 287 do 288 test -f "$tmpdepfile" && break 289 done 290 aix_post_process_depfile 291 ;; 292 293 tcc) 294 # tcc (Tiny C Compiler) understand '-MD -MF file' since version 0.9.26 295 # FIXME: That version still under development at the moment of writing. 296 # Make that this statement remains true also for stable, released 297 # versions. 298 # It will wrap lines (doesn't matter whether long or short) with a 299 # trailing '\', as in: 300 # 301 # foo.o : \ 302 # foo.c \ 303 # foo.h \ 304 # 305 # It will put a trailing '\' even on the last line, and will use leading 306 # spaces rather than leading tabs (at least since its commit 0394caf7 307 # "Emit spaces for -MD"). 308 "$@" -MD -MF "$tmpdepfile" 309 stat=$? 310 if test $stat -ne 0; then 311 rm -f "$tmpdepfile" 312 exit $stat 313 fi 314 rm -f "$depfile" 315 # Each non-empty line is of the form 'foo.o : \' or ' dep.h \'. 316 # We have to change lines of the first kind to '$object: \'. 317 sed -e "s|.*:|$object :|" < "$tmpdepfile" > "$depfile" 318 # And for each line of the second kind, we have to emit a 'dep.h:' 319 # dummy dependency, to avoid the deleted-header problem. 320 sed -n -e 's|^ *\(.*\) *\\$|\1:|p' < "$tmpdepfile" >> "$depfile" 321 rm -f "$tmpdepfile" 322 ;; 323 324 ## The order of this option in the case statement is important, since the 325 ## shell code in configure will try each of these formats in the order 326 ## listed in this file. A plain '-MD' option would be understood by many 327 ## compilers, so we must ensure this comes after the gcc and icc options. 328 pgcc) 329 # Portland's C compiler understands '-MD'. 330 # Will always output deps to 'file.d' where file is the root name of the 331 # source file under compilation, even if file resides in a subdirectory. 332 # The object file name does not affect the name of the '.d' file. 333 # pgcc 10.2 will output 334 # foo.o: sub/foo.c sub/foo.h 335 # and will wrap long lines using '\' : 336 # foo.o: sub/foo.c ... \ 337 # sub/foo.h ... \ 338 # ... 339 set_dir_from "$object" 340 # Use the source, not the object, to determine the base name, since 341 # that's sadly what pgcc will do too. 342 set_base_from "$source" 343 tmpdepfile=$base.d 344 345 # For projects that build the same source file twice into different object 346 # files, the pgcc approach of using the *source* file root name can cause 347 # problems in parallel builds. Use a locking strategy to avoid stomping on 348 # the same $tmpdepfile. 349 lockdir=$base.d-lock 350 trap " 351 echo '$0: caught signal, cleaning up...' >&2 352 rmdir '$lockdir' 353 exit 1 354 " 1 2 13 15 355 numtries=100 356 i=$numtries 357 while test $i -gt 0; do 358 # mkdir is a portable test-and-set. 359 if mkdir "$lockdir" 2>/dev/null; then 360 # This process acquired the lock. 361 "$@" -MD 362 stat=$? 363 # Release the lock. 364 rmdir "$lockdir" 365 break 366 else 367 # If the lock is being held by a different process, wait 368 # until the winning process is done or we timeout. 369 while test -d "$lockdir" && test $i -gt 0; do 370 sleep 1 371 i=`expr $i - 1` 372 done 373 fi 374 i=`expr $i - 1` 375 done 376 trap - 1 2 13 15 377 if test $i -le 0; then 378 echo "$0: failed to acquire lock after $numtries attempts" >&2 379 echo "$0: check lockdir '$lockdir'" >&2 380 exit 1 381 fi 382 383 if test $stat -ne 0; then 384 rm -f "$tmpdepfile" 385 exit $stat 386 fi 387 rm -f "$depfile" 388 # Each line is of the form `foo.o: dependent.h', 389 # or `foo.o: dep1.h dep2.h \', or ` dep3.h dep4.h \'. 390 # Do two passes, one to just change these to 391 # `$object: dependent.h' and one to simply `dependent.h:'. 392 sed "s,^[^:]*:,$object :," < "$tmpdepfile" > "$depfile" 393 # Some versions of the HPUX 10.20 sed can't process this invocation 394 # correctly. Breaking it into two sed invocations is a workaround. 395 sed 's,^[^:]*: \(.*\)$,\1,;s/^\\$//;/^$/d;/:$/d' < "$tmpdepfile" \ 396 | sed -e 's/$/ :/' >> "$depfile" 397 rm -f "$tmpdepfile" 398 ;; 399 400 hp2) 401 # The "hp" stanza above does not work with aCC (C++) and HP's ia64 402 # compilers, which have integrated preprocessors. The correct option 403 # to use with these is +Maked; it writes dependencies to a file named 404 # 'foo.d', which lands next to the object file, wherever that 405 # happens to be. 406 # Much of this is similar to the tru64 case; see comments there. 407 set_dir_from "$object" 408 set_base_from "$object" 409 if test "$libtool" = yes; then 410 tmpdepfile1=$dir$base.d 411 tmpdepfile2=$dir.libs/$base.d 412 "$@" -Wc,+Maked 413 else 414 tmpdepfile1=$dir$base.d 415 tmpdepfile2=$dir$base.d 416 "$@" +Maked 417 fi 418 stat=$? 419 if test $stat -ne 0; then 420 rm -f "$tmpdepfile1" "$tmpdepfile2" 421 exit $stat 422 fi 423 424 for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" 425 do 426 test -f "$tmpdepfile" && break 427 done 428 if test -f "$tmpdepfile"; then 429 sed -e "s,^.*\.[$lower]*:,$object:," "$tmpdepfile" > "$depfile" 430 # Add 'dependent.h:' lines. 431 sed -ne '2,${ 432 s/^ *// 433 s/ \\*$// 434 s/$/:/ 435 p 436 }' "$tmpdepfile" >> "$depfile" 437 else 438 make_dummy_depfile 439 fi 440 rm -f "$tmpdepfile" "$tmpdepfile2" 441 ;; 442 443 tru64) 444 # The Tru64 compiler uses -MD to generate dependencies as a side 445 # effect. 'cc -MD -o foo.o ...' puts the dependencies into 'foo.o.d'. 446 # At least on Alpha/Redhat 6.1, Compaq CCC V6.2-504 seems to put 447 # dependencies in 'foo.d' instead, so we check for that too. 448 # Subdirectories are respected. 449 set_dir_from "$object" 450 set_base_from "$object" 451 452 if test "$libtool" = yes; then 453 # Libtool generates 2 separate objects for the 2 libraries. These 454 # two compilations output dependencies in $dir.libs/$base.o.d and 455 # in $dir$base.o.d. We have to check for both files, because 456 # one of the two compilations can be disabled. We should prefer 457 # $dir$base.o.d over $dir.libs/$base.o.d because the latter is 458 # automatically cleaned when .libs/ is deleted, while ignoring 459 # the former would cause a distcleancheck panic. 460 tmpdepfile1=$dir$base.o.d # libtool 1.5 461 tmpdepfile2=$dir.libs/$base.o.d # Likewise. 462 tmpdepfile3=$dir.libs/$base.d # Compaq CCC V6.2-504 463 "$@" -Wc,-MD 464 else 465 tmpdepfile1=$dir$base.d 466 tmpdepfile2=$dir$base.d 467 tmpdepfile3=$dir$base.d 468 "$@" -MD 469 fi 470 471 stat=$? 472 if test $stat -ne 0; then 473 rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" 474 exit $stat 475 fi 476 477 for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" 478 do 479 test -f "$tmpdepfile" && break 480 done 481 # Same post-processing that is required for AIX mode. 482 aix_post_process_depfile 483 ;; 484 485 msvc7) 486 if test "$libtool" = yes; then 487 showIncludes=-Wc,-showIncludes 488 else 489 showIncludes=-showIncludes 490 fi 491 "$@" $showIncludes > "$tmpdepfile" 492 stat=$? 493 grep -v '^Note: including file: ' "$tmpdepfile" 494 if test $stat -ne 0; then 495 rm -f "$tmpdepfile" 496 exit $stat 497 fi 498 rm -f "$depfile" 499 echo "$object : \\" > "$depfile" 500 # The first sed program below extracts the file names and escapes 501 # backslashes for cygpath. The second sed program outputs the file 502 # name when reading, but also accumulates all include files in the 503 # hold buffer in order to output them again at the end. This only 504 # works with sed implementations that can handle large buffers. 505 sed < "$tmpdepfile" -n ' 506 /^Note: including file: *\(.*\)/ { 507 s//\1/ 508 s/\\/\\\\/g 509 p 510 }' | $cygpath_u | sort -u | sed -n ' 511 s/ /\\ /g 512 s/\(.*\)/'"$tab"'\1 \\/p 513 s/.\(.*\) \\/\1:/ 514 H 515 $ { 516 s/.*/'"$tab"'/ 517 G 518 p 519 }' >> "$depfile" 520 echo >> "$depfile" # make sure the fragment doesn't end with a backslash 521 rm -f "$tmpdepfile" 522 ;; 523 524 msvc7msys) 525 # This case exists only to let depend.m4 do its work. It works by 526 # looking at the text of this script. This case will never be run, 527 # since it is checked for above. 528 exit 1 529 ;; 530 531 #nosideeffect) 532 # This comment above is used by automake to tell side-effect 533 # dependency tracking mechanisms from slower ones. 534 535 dashmstdout) 536 # Important note: in order to support this mode, a compiler *must* 537 # always write the preprocessed file to stdout, regardless of -o. 538 "$@" || exit $? 539 540 # Remove the call to Libtool. 541 if test "$libtool" = yes; then 542 while test "X$1" != 'X--mode=compile'; do 543 shift 544 done 545 shift 546 fi 547 548 # Remove '-o $object'. 549 IFS=" " 550 for arg 551 do 552 case $arg in 553 -o) 554 shift 555 ;; 556 $object) 557 shift 558 ;; 559 *) 560 set fnord "$@" "$arg" 561 shift # fnord 562 shift # $arg 563 ;; 564 esac 565 done 566 567 test -z "$dashmflag" && dashmflag=-M 568 # Require at least two characters before searching for ':' 569 # in the target name. This is to cope with DOS-style filenames: 570 # a dependency such as 'c:/foo/bar' could be seen as target 'c' otherwise. 571 "$@" $dashmflag | 572 sed "s|^[$tab ]*[^:$tab ][^:][^:]*:[$tab ]*|$object: |" > "$tmpdepfile" 573 rm -f "$depfile" 574 cat < "$tmpdepfile" > "$depfile" 575 # Some versions of the HPUX 10.20 sed can't process this sed invocation 576 # correctly. Breaking it into two sed invocations is a workaround. 577 tr ' ' "$nl" < "$tmpdepfile" \ 578 | sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' \ 579 | sed -e 's/$/ :/' >> "$depfile" 580 rm -f "$tmpdepfile" 581 ;; 582 583 dashXmstdout) 584 # This case only exists to satisfy depend.m4. It is never actually 585 # run, as this mode is specially recognized in the preamble. 586 exit 1 587 ;; 588 589 makedepend) 590 "$@" || exit $? 591 # Remove any Libtool call 592 if test "$libtool" = yes; then 593 while test "X$1" != 'X--mode=compile'; do 594 shift 595 done 596 shift 597 fi 598 # X makedepend 599 shift 600 cleared=no eat=no 601 for arg 602 do 603 case $cleared in 604 no) 605 set ""; shift 606 cleared=yes ;; 607 esac 608 if test $eat = yes; then 609 eat=no 610 continue 611 fi 612 case "$arg" in 613 -D*|-I*) 614 set fnord "$@" "$arg"; shift ;; 615 # Strip any option that makedepend may not understand. Remove 616 # the object too, otherwise makedepend will parse it as a source file. 617 -arch) 618 eat=yes ;; 619 -*|$object) 620 ;; 621 *) 622 set fnord "$@" "$arg"; shift ;; 623 esac 624 done 625 obj_suffix=`echo "$object" | sed 's/^.*\././'` 626 touch "$tmpdepfile" 627 ${MAKEDEPEND-makedepend} -o"$obj_suffix" -f"$tmpdepfile" "$@" 628 rm -f "$depfile" 629 # makedepend may prepend the VPATH from the source file name to the object. 630 # No need to regex-escape $object, excess matching of '.' is harmless. 631 sed "s|^.*\($object *:\)|\1|" "$tmpdepfile" > "$depfile" 632 # Some versions of the HPUX 10.20 sed can't process the last invocation 633 # correctly. Breaking it into two sed invocations is a workaround. 634 sed '1,2d' "$tmpdepfile" \ 635 | tr ' ' "$nl" \ 636 | sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' \ 637 | sed -e 's/$/ :/' >> "$depfile" 638 rm -f "$tmpdepfile" "$tmpdepfile".bak 639 ;; 640 641 cpp) 642 # Important note: in order to support this mode, a compiler *must* 643 # always write the preprocessed file to stdout. 644 "$@" || exit $? 645 646 # Remove the call to Libtool. 647 if test "$libtool" = yes; then 648 while test "X$1" != 'X--mode=compile'; do 649 shift 650 done 651 shift 652 fi 653 654 # Remove '-o $object'. 655 IFS=" " 656 for arg 657 do 658 case $arg in 659 -o) 660 shift 661 ;; 662 $object) 663 shift 664 ;; 665 *) 666 set fnord "$@" "$arg" 667 shift # fnord 668 shift # $arg 669 ;; 670 esac 671 done 672 673 "$@" -E \ 674 | sed -n -e '/^# [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' \ 675 -e '/^#line [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' \ 676 | sed '$ s: \\$::' > "$tmpdepfile" 677 rm -f "$depfile" 678 echo "$object : \\" > "$depfile" 679 cat < "$tmpdepfile" >> "$depfile" 680 sed < "$tmpdepfile" '/^$/d;s/^ //;s/ \\$//;s/$/ :/' >> "$depfile" 681 rm -f "$tmpdepfile" 682 ;; 683 684 msvisualcpp) 685 # Important note: in order to support this mode, a compiler *must* 686 # always write the preprocessed file to stdout. 687 "$@" || exit $? 688 689 # Remove the call to Libtool. 690 if test "$libtool" = yes; then 691 while test "X$1" != 'X--mode=compile'; do 692 shift 693 done 694 shift 695 fi 696 697 IFS=" " 698 for arg 699 do 700 case "$arg" in 701 -o) 702 shift 703 ;; 704 $object) 705 shift 706 ;; 707 "-Gm"|"/Gm"|"-Gi"|"/Gi"|"-ZI"|"/ZI") 708 set fnord "$@" 709 shift 710 shift 711 ;; 712 *) 713 set fnord "$@" "$arg" 714 shift 715 shift 716 ;; 717 esac 718 done 719 "$@" -E 2>/dev/null | 720 sed -n '/^#line [0-9][0-9]* "\([^"]*\)"/ s::\1:p' | $cygpath_u | sort -u > "$tmpdepfile" 721 rm -f "$depfile" 722 echo "$object : \\" > "$depfile" 723 sed < "$tmpdepfile" -n -e 's% %\\ %g' -e '/^\(.*\)$/ s::'"$tab"'\1 \\:p' >> "$depfile" 724 echo "$tab" >> "$depfile" 725 sed < "$tmpdepfile" -n -e 's% %\\ %g' -e '/^\(.*\)$/ s::\1\::p' >> "$depfile" 726 rm -f "$tmpdepfile" 727 ;; 728 729 msvcmsys) 730 # This case exists only to let depend.m4 do its work. It works by 731 # looking at the text of this script. This case will never be run, 732 # since it is checked for above. 733 exit 1 734 ;; 735 736 none) 737 exec "$@" 738 ;; 739 740 *) 741 echo "Unknown depmode $depmode" 1>&2 742 exit 1 743 ;; 744 esac 745 746 exit 0 747 748 # Local Variables: 749 # mode: shell-script 750 # sh-indentation: 2 751 # eval: (add-hook 'write-file-hooks 'time-stamp) 752 # time-stamp-start: "scriptversion=" 753 # time-stamp-format: "%:y-%02m-%02d.%02H" 754 # time-stamp-time-zone: "UTC" 755 # time-stamp-end: "; # UTC" 756 # End: 757
