Annotation of freem/depcomp, revision 1.1
1.1 ! snw 1: #! /bin/sh
! 2: # depcomp - compile a program generating dependencies as side-effects
! 3:
! 4: scriptversion=2024-06-19.01; # UTC
! 5:
! 6: # Copyright (C) 1999-2024 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:
! 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: GNU Automake home page: <https://www.gnu.org/software/automake/>.
! 51: General help using GNU software: <https://www.gnu.org/gethelp/>.
! 52: EOF
! 53: exit $?
! 54: ;;
! 55: -v | --v*)
! 56: echo "depcomp (GNU Automake) $scriptversion"
! 57: exit $?
! 58: ;;
! 59: esac
! 60:
! 61: # Get the directory component of the given path, and save it in the
! 62: # global variables '$dir'. Note that this directory component will
! 63: # be either empty or ending with a '/' character. This is deliberate.
! 64: set_dir_from ()
! 65: {
! 66: case $1 in
! 67: */*) dir=`echo "$1" | sed -e 's|/[^/]*$|/|'`;;
! 68: *) dir=;;
! 69: esac
! 70: }
! 71:
! 72: # Get the suffix-stripped basename of the given path, and save it the
! 73: # global variable '$base'.
! 74: set_base_from ()
! 75: {
! 76: base=`echo "$1" | sed -e 's|^.*/||' -e 's/\.[^.]*$//'`
! 77: }
! 78:
! 79: # If no dependency file was actually created by the compiler invocation,
! 80: # we still have to create a dummy depfile, to avoid errors with the
! 81: # Makefile "include basename.Plo" scheme.
! 82: make_dummy_depfile ()
! 83: {
! 84: echo "#dummy" > "$depfile"
! 85: }
! 86:
! 87: # Factor out some common post-processing of the generated depfile.
! 88: # Requires the auxiliary global variable '$tmpdepfile' to be set.
! 89: aix_post_process_depfile ()
! 90: {
! 91: # If the compiler actually managed to produce a dependency file,
! 92: # post-process it.
! 93: if test -f "$tmpdepfile"; then
! 94: # Each line is of the form 'foo.o: dependency.h'.
! 95: # Do two passes, one to just change these to
! 96: # $object: dependency.h
! 97: # and one to simply output
! 98: # dependency.h:
! 99: # which is needed to avoid the deleted-header problem.
! 100: { sed -e "s,^.*\.[$lower]*:,$object:," < "$tmpdepfile"
! 101: sed -e "s,^.*\.[$lower]*:[$tab ]*,," -e 's,$,:,' < "$tmpdepfile"
! 102: } > "$depfile"
! 103: rm -f "$tmpdepfile"
! 104: else
! 105: make_dummy_depfile
! 106: fi
! 107: }
! 108:
! 109: # A tabulation character.
! 110: tab=' '
! 111: # A newline character.
! 112: nl='
! 113: '
! 114: # Character ranges might be problematic outside the C locale.
! 115: # These definitions help.
! 116: upper=ABCDEFGHIJKLMNOPQRSTUVWXYZ
! 117: lower=abcdefghijklmnopqrstuvwxyz
! 118: alpha=${upper}${lower}
! 119:
! 120: if test -z "$depmode" || test -z "$source" || test -z "$object"; then
! 121: echo "depcomp: Variables source, object and depmode must be set" 1>&2
! 122: exit 1
! 123: fi
! 124:
! 125: # Dependencies for sub/bar.o or sub/bar.obj go into sub/.deps/bar.Po.
! 126: depfile=${depfile-`echo "$object" |
! 127: sed 's|[^\\/]*$|'${DEPDIR-.deps}'/&|;s|\.\([^.]*\)$|.P\1|;s|Pobj$|Po|'`}
! 128: tmpdepfile=${tmpdepfile-`echo "$depfile" | sed 's/\.\([^.]*\)$/.T\1/'`}
! 129:
! 130: rm -f "$tmpdepfile"
! 131:
! 132: # Avoid interference from the environment.
! 133: gccflag= dashmflag=
! 134:
! 135: # Some modes work just like other modes, but use different flags. We
! 136: # parameterize here, but still list the modes in the big case below,
! 137: # to make depend.m4 easier to write. Note that we *cannot* use a case
! 138: # here, because this file can only contain one case statement.
! 139: if test "$depmode" = hp; then
! 140: # HP compiler uses -M and no extra arg.
! 141: gccflag=-M
! 142: depmode=gcc
! 143: fi
! 144:
! 145: if test "$depmode" = dashXmstdout; then
! 146: # This is just like dashmstdout with a different argument.
! 147: dashmflag=-xM
! 148: depmode=dashmstdout
! 149: fi
! 150:
! 151: cygpath_u="cygpath -u -f -"
! 152: if test "$depmode" = msvcmsys; then
! 153: # This is just like msvisualcpp but w/o cygpath translation.
! 154: # Just convert the backslash-escaped backslashes to single forward
! 155: # slashes to satisfy depend.m4
! 156: cygpath_u='sed s,\\\\,/,g'
! 157: depmode=msvisualcpp
! 158: fi
! 159:
! 160: if test "$depmode" = msvc7msys; then
! 161: # This is just like msvc7 but w/o cygpath translation.
! 162: # Just convert the backslash-escaped backslashes to single forward
! 163: # slashes to satisfy depend.m4
! 164: cygpath_u='sed s,\\\\,/,g'
! 165: depmode=msvc7
! 166: fi
! 167:
! 168: if test "$depmode" = xlc; then
! 169: # IBM C/C++ Compilers xlc/xlC can output gcc-like dependency information.
! 170: gccflag=-qmakedep=gcc,-MF
! 171: depmode=gcc
! 172: fi
! 173:
! 174: case "$depmode" in
! 175: gcc3)
! 176: ## gcc 3 implements dependency tracking that does exactly what
! 177: ## we want. Yay! Note: for some reason libtool 1.4 doesn't like
! 178: ## it if -MD -MP comes after the -MF stuff. Hmm.
! 179: ## Unfortunately, FreeBSD c89 acceptance of flags depends upon
! 180: ## the command line argument order; so add the flags where they
! 181: ## appear in depend2.am. Note that the slowdown incurred here
! 182: ## affects only configure: in makefiles, %FASTDEP% shortcuts this.
! 183: for arg
! 184: do
! 185: case $arg in
! 186: -c) set fnord "$@" -MT "$object" -MD -MP -MF "$tmpdepfile" "$arg" ;;
! 187: *) set fnord "$@" "$arg" ;;
! 188: esac
! 189: shift # fnord
! 190: shift # $arg
! 191: done
! 192: "$@"
! 193: stat=$?
! 194: if test $stat -ne 0; then
! 195: rm -f "$tmpdepfile"
! 196: exit $stat
! 197: fi
! 198: mv "$tmpdepfile" "$depfile"
! 199: ;;
! 200:
! 201: gcc)
! 202: ## Note that this doesn't just cater to obsolete pre-3.x GCC compilers.
! 203: ## but also to in-use compilers like IBM xlc/xlC and the HP C compiler.
! 204: ## (see the conditional assignment to $gccflag above).
! 205: ## There are various ways to get dependency output from gcc. Here's
! 206: ## why we pick this rather obscure method:
! 207: ## - Don't want to use -MD because we'd like the dependencies to end
! 208: ## up in a subdir. Having to rename by hand is ugly.
! 209: ## (We might end up doing this anyway to support other compilers.)
! 210: ## - The DEPENDENCIES_OUTPUT environment variable makes gcc act like
! 211: ## -MM, not -M (despite what the docs say). Also, it might not be
! 212: ## supported by the other compilers which use the 'gcc' depmode.
! 213: ## - Using -M directly means running the compiler twice (even worse
! 214: ## than renaming).
! 215: if test -z "$gccflag"; then
! 216: gccflag=-MD,
! 217: fi
! 218: "$@" -Wp,"$gccflag$tmpdepfile"
! 219: stat=$?
! 220: if test $stat -ne 0; then
! 221: rm -f "$tmpdepfile"
! 222: exit $stat
! 223: fi
! 224: rm -f "$depfile"
! 225: echo "$object : \\" > "$depfile"
! 226: # The second -e expression handles DOS-style file names with drive
! 227: # letters.
! 228: sed -e 's/^[^:]*: / /' \
! 229: -e 's/^['$alpha']:\/[^:]*: / /' < "$tmpdepfile" >> "$depfile"
! 230: ## This next piece of magic avoids the "deleted header file" problem.
! 231: ## The problem is that when a header file which appears in a .P file
! 232: ## is deleted, the dependency causes make to die (because there is
! 233: ## typically no way to rebuild the header). We avoid this by adding
! 234: ## dummy dependencies for each header file. Too bad gcc doesn't do
! 235: ## this for us directly.
! 236: ## Some versions of gcc put a space before the ':'. On the theory
! 237: ## that the space means something, we add a space to the output as
! 238: ## well. hp depmode also adds that space, but also prefixes the VPATH
! 239: ## to the object. Take care to not repeat it in the output.
! 240: ## Some versions of the HPUX 10.20 sed can't process this invocation
! 241: ## correctly. Breaking it into two sed invocations is a workaround.
! 242: tr ' ' "$nl" < "$tmpdepfile" \
! 243: | sed -e 's/^\\$//' -e '/^$/d' -e "s|.*$object$||" -e '/:$/d' \
! 244: | sed -e 's/$/ :/' >> "$depfile"
! 245: rm -f "$tmpdepfile"
! 246: ;;
! 247:
! 248: hp)
! 249: # This case exists only to let depend.m4 do its work. It works by
! 250: # looking at the text of this script. This case will never be run,
! 251: # since it is checked for above.
! 252: exit 1
! 253: ;;
! 254:
! 255: sgi)
! 256: if test "$libtool" = yes; then
! 257: "$@" "-Wp,-MDupdate,$tmpdepfile"
! 258: else
! 259: "$@" -MDupdate "$tmpdepfile"
! 260: fi
! 261: stat=$?
! 262: if test $stat -ne 0; then
! 263: rm -f "$tmpdepfile"
! 264: exit $stat
! 265: fi
! 266: rm -f "$depfile"
! 267:
! 268: if test -f "$tmpdepfile"; then # yes, the sourcefile depend on other files
! 269: echo "$object : \\" > "$depfile"
! 270: # Clip off the initial element (the dependent). Don't try to be
! 271: # clever and replace this with sed code, as IRIX sed won't handle
! 272: # lines with more than a fixed number of characters (4096 in
! 273: # IRIX 6.2 sed, 8192 in IRIX 6.5). We also remove comment lines;
! 274: # the IRIX cc adds comments like '#:fec' to the end of the
! 275: # dependency line.
! 276: tr ' ' "$nl" < "$tmpdepfile" \
! 277: | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' \
! 278: | tr "$nl" ' ' >> "$depfile"
! 279: echo >> "$depfile"
! 280: # The second pass generates a dummy entry for each header file.
! 281: tr ' ' "$nl" < "$tmpdepfile" \
! 282: | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' -e 's/$/:/' \
! 283: >> "$depfile"
! 284: else
! 285: make_dummy_depfile
! 286: fi
! 287: rm -f "$tmpdepfile"
! 288: ;;
! 289:
! 290: xlc)
! 291: # This case exists only to let depend.m4 do its work. It works by
! 292: # looking at the text of this script. This case will never be run,
! 293: # since it is checked for above.
! 294: exit 1
! 295: ;;
! 296:
! 297: aix)
! 298: # The C for AIX Compiler uses -M and outputs the dependencies
! 299: # in a .u file. In older versions, this file always lives in the
! 300: # current directory. Also, the AIX compiler puts '$object:' at the
! 301: # start of each line; $object doesn't have directory information.
! 302: # Version 6 uses the directory in both cases.
! 303: set_dir_from "$object"
! 304: set_base_from "$object"
! 305: if test "$libtool" = yes; then
! 306: tmpdepfile1=$dir$base.u
! 307: tmpdepfile2=$base.u
! 308: tmpdepfile3=$dir.libs/$base.u
! 309: "$@" -Wc,-M
! 310: else
! 311: tmpdepfile1=$dir$base.u
! 312: tmpdepfile2=$dir$base.u
! 313: tmpdepfile3=$dir$base.u
! 314: "$@" -M
! 315: fi
! 316: stat=$?
! 317: if test $stat -ne 0; then
! 318: rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3"
! 319: exit $stat
! 320: fi
! 321:
! 322: for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3"
! 323: do
! 324: test -f "$tmpdepfile" && break
! 325: done
! 326: aix_post_process_depfile
! 327: ;;
! 328:
! 329: tcc)
! 330: # tcc (Tiny C Compiler) understand '-MD -MF file' since version 0.9.26
! 331: # FIXME: That version still under development at the moment of writing.
! 332: # Make that this statement remains true also for stable, released
! 333: # versions.
! 334: # It will wrap lines (doesn't matter whether long or short) with a
! 335: # trailing '\', as in:
! 336: #
! 337: # foo.o : \
! 338: # foo.c \
! 339: # foo.h \
! 340: #
! 341: # It will put a trailing '\' even on the last line, and will use leading
! 342: # spaces rather than leading tabs (at least since its commit 0394caf7
! 343: # "Emit spaces for -MD").
! 344: "$@" -MD -MF "$tmpdepfile"
! 345: stat=$?
! 346: if test $stat -ne 0; then
! 347: rm -f "$tmpdepfile"
! 348: exit $stat
! 349: fi
! 350: rm -f "$depfile"
! 351: # Each non-empty line is of the form 'foo.o : \' or ' dep.h \'.
! 352: # We have to change lines of the first kind to '$object: \'.
! 353: sed -e "s|.*:|$object :|" < "$tmpdepfile" > "$depfile"
! 354: # And for each line of the second kind, we have to emit a 'dep.h:'
! 355: # dummy dependency, to avoid the deleted-header problem.
! 356: sed -n -e 's|^ *\(.*\) *\\$|\1:|p' < "$tmpdepfile" >> "$depfile"
! 357: rm -f "$tmpdepfile"
! 358: ;;
! 359:
! 360: ## The order of this option in the case statement is important, since the
! 361: ## shell code in configure will try each of these formats in the order
! 362: ## listed in this file. A plain '-MD' option would be understood by many
! 363: ## compilers, so we must ensure this comes after the gcc and icc options.
! 364: pgcc)
! 365: # Portland's C compiler understands '-MD'.
! 366: # Will always output deps to 'file.d' where file is the root name of the
! 367: # source file under compilation, even if file resides in a subdirectory.
! 368: # The object file name does not affect the name of the '.d' file.
! 369: # pgcc 10.2 will output
! 370: # foo.o: sub/foo.c sub/foo.h
! 371: # and will wrap long lines using '\' :
! 372: # foo.o: sub/foo.c ... \
! 373: # sub/foo.h ... \
! 374: # ...
! 375: set_dir_from "$object"
! 376: # Use the source, not the object, to determine the base name, since
! 377: # that's sadly what pgcc will do too.
! 378: set_base_from "$source"
! 379: tmpdepfile=$base.d
! 380:
! 381: # For projects that build the same source file twice into different object
! 382: # files, the pgcc approach of using the *source* file root name can cause
! 383: # problems in parallel builds. Use a locking strategy to avoid stomping on
! 384: # the same $tmpdepfile.
! 385: lockdir=$base.d-lock
! 386: trap "
! 387: echo '$0: caught signal, cleaning up...' >&2
! 388: rmdir '$lockdir'
! 389: exit 1
! 390: " 1 2 13 15
! 391: numtries=100
! 392: i=$numtries
! 393: while test $i -gt 0; do
! 394: # mkdir is a portable test-and-set.
! 395: if mkdir "$lockdir" 2>/dev/null; then
! 396: # This process acquired the lock.
! 397: "$@" -MD
! 398: stat=$?
! 399: # Release the lock.
! 400: rmdir "$lockdir"
! 401: break
! 402: else
! 403: # If the lock is being held by a different process, wait
! 404: # until the winning process is done or we timeout.
! 405: while test -d "$lockdir" && test $i -gt 0; do
! 406: sleep 1
! 407: i=`expr $i - 1`
! 408: done
! 409: fi
! 410: i=`expr $i - 1`
! 411: done
! 412: trap - 1 2 13 15
! 413: if test $i -le 0; then
! 414: echo "$0: failed to acquire lock after $numtries attempts" >&2
! 415: echo "$0: check lockdir '$lockdir'" >&2
! 416: exit 1
! 417: fi
! 418:
! 419: if test $stat -ne 0; then
! 420: rm -f "$tmpdepfile"
! 421: exit $stat
! 422: fi
! 423: rm -f "$depfile"
! 424: # Each line is of the form `foo.o: dependent.h',
! 425: # or `foo.o: dep1.h dep2.h \', or ` dep3.h dep4.h \'.
! 426: # Do two passes, one to just change these to
! 427: # `$object: dependent.h' and one to simply `dependent.h:'.
! 428: sed "s,^[^:]*:,$object :," < "$tmpdepfile" > "$depfile"
! 429: # Some versions of the HPUX 10.20 sed can't process this invocation
! 430: # correctly. Breaking it into two sed invocations is a workaround.
! 431: sed 's,^[^:]*: \(.*\)$,\1,;s/^\\$//;/^$/d;/:$/d' < "$tmpdepfile" \
! 432: | sed -e 's/$/ :/' >> "$depfile"
! 433: rm -f "$tmpdepfile"
! 434: ;;
! 435:
! 436: hp2)
! 437: # The "hp" stanza above does not work with aCC (C++) and HP's ia64
! 438: # compilers, which have integrated preprocessors. The correct option
! 439: # to use with these is +Maked; it writes dependencies to a file named
! 440: # 'foo.d', which lands next to the object file, wherever that
! 441: # happens to be.
! 442: # Much of this is similar to the tru64 case; see comments there.
! 443: set_dir_from "$object"
! 444: set_base_from "$object"
! 445: if test "$libtool" = yes; then
! 446: tmpdepfile1=$dir$base.d
! 447: tmpdepfile2=$dir.libs/$base.d
! 448: "$@" -Wc,+Maked
! 449: else
! 450: tmpdepfile1=$dir$base.d
! 451: tmpdepfile2=$dir$base.d
! 452: "$@" +Maked
! 453: fi
! 454: stat=$?
! 455: if test $stat -ne 0; then
! 456: rm -f "$tmpdepfile1" "$tmpdepfile2"
! 457: exit $stat
! 458: fi
! 459:
! 460: for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2"
! 461: do
! 462: test -f "$tmpdepfile" && break
! 463: done
! 464: if test -f "$tmpdepfile"; then
! 465: sed -e "s,^.*\.[$lower]*:,$object:," "$tmpdepfile" > "$depfile"
! 466: # Add 'dependent.h:' lines.
! 467: sed -ne '2,${
! 468: s/^ *//
! 469: s/ \\*$//
! 470: s/$/:/
! 471: p
! 472: }' "$tmpdepfile" >> "$depfile"
! 473: else
! 474: make_dummy_depfile
! 475: fi
! 476: rm -f "$tmpdepfile" "$tmpdepfile2"
! 477: ;;
! 478:
! 479: tru64)
! 480: # The Tru64 compiler uses -MD to generate dependencies as a side
! 481: # effect. 'cc -MD -o foo.o ...' puts the dependencies into 'foo.o.d'.
! 482: # At least on Alpha/Redhat 6.1, Compaq CCC V6.2-504 seems to put
! 483: # dependencies in 'foo.d' instead, so we check for that too.
! 484: # Subdirectories are respected.
! 485: set_dir_from "$object"
! 486: set_base_from "$object"
! 487:
! 488: if test "$libtool" = yes; then
! 489: # Libtool generates 2 separate objects for the 2 libraries. These
! 490: # two compilations output dependencies in $dir.libs/$base.o.d and
! 491: # in $dir$base.o.d. We have to check for both files, because
! 492: # one of the two compilations can be disabled. We should prefer
! 493: # $dir$base.o.d over $dir.libs/$base.o.d because the latter is
! 494: # automatically cleaned when .libs/ is deleted, while ignoring
! 495: # the former would cause a distcleancheck panic.
! 496: tmpdepfile1=$dir$base.o.d # libtool 1.5
! 497: tmpdepfile2=$dir.libs/$base.o.d # Likewise.
! 498: tmpdepfile3=$dir.libs/$base.d # Compaq CCC V6.2-504
! 499: "$@" -Wc,-MD
! 500: else
! 501: tmpdepfile1=$dir$base.d
! 502: tmpdepfile2=$dir$base.d
! 503: tmpdepfile3=$dir$base.d
! 504: "$@" -MD
! 505: fi
! 506:
! 507: stat=$?
! 508: if test $stat -ne 0; then
! 509: rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3"
! 510: exit $stat
! 511: fi
! 512:
! 513: for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3"
! 514: do
! 515: test -f "$tmpdepfile" && break
! 516: done
! 517: # Same post-processing that is required for AIX mode.
! 518: aix_post_process_depfile
! 519: ;;
! 520:
! 521: msvc7)
! 522: if test "$libtool" = yes; then
! 523: showIncludes=-Wc,-showIncludes
! 524: else
! 525: showIncludes=-showIncludes
! 526: fi
! 527: "$@" $showIncludes > "$tmpdepfile"
! 528: stat=$?
! 529: grep -v '^Note: including file: ' "$tmpdepfile"
! 530: if test $stat -ne 0; then
! 531: rm -f "$tmpdepfile"
! 532: exit $stat
! 533: fi
! 534: rm -f "$depfile"
! 535: echo "$object : \\" > "$depfile"
! 536: # The first sed program below extracts the file names and escapes
! 537: # backslashes for cygpath. The second sed program outputs the file
! 538: # name when reading, but also accumulates all include files in the
! 539: # hold buffer in order to output them again at the end. This only
! 540: # works with sed implementations that can handle large buffers.
! 541: sed < "$tmpdepfile" -n '
! 542: /^Note: including file: *\(.*\)/ {
! 543: s//\1/
! 544: s/\\/\\\\/g
! 545: p
! 546: }' | $cygpath_u | sort -u | sed -n '
! 547: s/ /\\ /g
! 548: s/\(.*\)/'"$tab"'\1 \\/p
! 549: s/.\(.*\) \\/\1:/
! 550: H
! 551: $ {
! 552: s/.*/'"$tab"'/
! 553: G
! 554: p
! 555: }' >> "$depfile"
! 556: echo >> "$depfile" # make sure the fragment doesn't end with a backslash
! 557: rm -f "$tmpdepfile"
! 558: ;;
! 559:
! 560: msvc7msys)
! 561: # This case exists only to let depend.m4 do its work. It works by
! 562: # looking at the text of this script. This case will never be run,
! 563: # since it is checked for above.
! 564: exit 1
! 565: ;;
! 566:
! 567: #nosideeffect)
! 568: # This comment above is used by automake to tell side-effect
! 569: # dependency tracking mechanisms from slower ones.
! 570:
! 571: dashmstdout)
! 572: # Important note: in order to support this mode, a compiler *must*
! 573: # always write the preprocessed file to stdout, regardless of -o.
! 574: "$@" || exit $?
! 575:
! 576: # Remove the call to Libtool.
! 577: if test "$libtool" = yes; then
! 578: while test "X$1" != 'X--mode=compile'; do
! 579: shift
! 580: done
! 581: shift
! 582: fi
! 583:
! 584: # Remove '-o $object'.
! 585: IFS=" "
! 586: for arg
! 587: do
! 588: case $arg in
! 589: -o)
! 590: shift
! 591: ;;
! 592: $object)
! 593: shift
! 594: ;;
! 595: *)
! 596: set fnord "$@" "$arg"
! 597: shift # fnord
! 598: shift # $arg
! 599: ;;
! 600: esac
! 601: done
! 602:
! 603: test -z "$dashmflag" && dashmflag=-M
! 604: # Require at least two characters before searching for ':'
! 605: # in the target name. This is to cope with DOS-style filenames:
! 606: # a dependency such as 'c:/foo/bar' could be seen as target 'c' otherwise.
! 607: "$@" $dashmflag |
! 608: sed "s|^[$tab ]*[^:$tab ][^:][^:]*:[$tab ]*|$object: |" > "$tmpdepfile"
! 609: rm -f "$depfile"
! 610: cat < "$tmpdepfile" > "$depfile"
! 611: # Some versions of the HPUX 10.20 sed can't process this sed invocation
! 612: # correctly. Breaking it into two sed invocations is a workaround.
! 613: tr ' ' "$nl" < "$tmpdepfile" \
! 614: | sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' \
! 615: | sed -e 's/$/ :/' >> "$depfile"
! 616: rm -f "$tmpdepfile"
! 617: ;;
! 618:
! 619: dashXmstdout)
! 620: # This case only exists to satisfy depend.m4. It is never actually
! 621: # run, as this mode is specially recognized in the preamble.
! 622: exit 1
! 623: ;;
! 624:
! 625: makedepend)
! 626: "$@" || exit $?
! 627: # Remove any Libtool call
! 628: if test "$libtool" = yes; then
! 629: while test "X$1" != 'X--mode=compile'; do
! 630: shift
! 631: done
! 632: shift
! 633: fi
! 634: # X makedepend
! 635: shift
! 636: cleared=no eat=no
! 637: for arg
! 638: do
! 639: case $cleared in
! 640: no)
! 641: set ""; shift
! 642: cleared=yes ;;
! 643: esac
! 644: if test $eat = yes; then
! 645: eat=no
! 646: continue
! 647: fi
! 648: case "$arg" in
! 649: -D*|-I*)
! 650: set fnord "$@" "$arg"; shift ;;
! 651: # Strip any option that makedepend may not understand. Remove
! 652: # the object too, otherwise makedepend will parse it as a source file.
! 653: -arch)
! 654: eat=yes ;;
! 655: -*|$object)
! 656: ;;
! 657: *)
! 658: set fnord "$@" "$arg"; shift ;;
! 659: esac
! 660: done
! 661: obj_suffix=`echo "$object" | sed 's/^.*\././'`
! 662: touch "$tmpdepfile"
! 663: ${MAKEDEPEND-makedepend} -o"$obj_suffix" -f"$tmpdepfile" "$@"
! 664: rm -f "$depfile"
! 665: # makedepend may prepend the VPATH from the source file name to the object.
! 666: # No need to regex-escape $object, excess matching of '.' is harmless.
! 667: sed "s|^.*\($object *:\)|\1|" "$tmpdepfile" > "$depfile"
! 668: # Some versions of the HPUX 10.20 sed can't process the last invocation
! 669: # correctly. Breaking it into two sed invocations is a workaround.
! 670: sed '1,2d' "$tmpdepfile" \
! 671: | tr ' ' "$nl" \
! 672: | sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' \
! 673: | sed -e 's/$/ :/' >> "$depfile"
! 674: rm -f "$tmpdepfile" "$tmpdepfile".bak
! 675: ;;
! 676:
! 677: cpp)
! 678: # Important note: in order to support this mode, a compiler *must*
! 679: # always write the preprocessed file to stdout.
! 680: "$@" || exit $?
! 681:
! 682: # Remove the call to Libtool.
! 683: if test "$libtool" = yes; then
! 684: while test "X$1" != 'X--mode=compile'; do
! 685: shift
! 686: done
! 687: shift
! 688: fi
! 689:
! 690: # Remove '-o $object'.
! 691: IFS=" "
! 692: for arg
! 693: do
! 694: case $arg in
! 695: -o)
! 696: shift
! 697: ;;
! 698: $object)
! 699: shift
! 700: ;;
! 701: *)
! 702: set fnord "$@" "$arg"
! 703: shift # fnord
! 704: shift # $arg
! 705: ;;
! 706: esac
! 707: done
! 708:
! 709: "$@" -E \
! 710: | sed -n -e '/^# [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' \
! 711: -e '/^#line [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' \
! 712: | sed '$ s: \\$::' > "$tmpdepfile"
! 713: rm -f "$depfile"
! 714: echo "$object : \\" > "$depfile"
! 715: cat < "$tmpdepfile" >> "$depfile"
! 716: sed < "$tmpdepfile" '/^$/d;s/^ //;s/ \\$//;s/$/ :/' >> "$depfile"
! 717: rm -f "$tmpdepfile"
! 718: ;;
! 719:
! 720: msvisualcpp)
! 721: # Important note: in order to support this mode, a compiler *must*
! 722: # always write the preprocessed file to stdout.
! 723: "$@" || exit $?
! 724:
! 725: # Remove the call to Libtool.
! 726: if test "$libtool" = yes; then
! 727: while test "X$1" != 'X--mode=compile'; do
! 728: shift
! 729: done
! 730: shift
! 731: fi
! 732:
! 733: IFS=" "
! 734: for arg
! 735: do
! 736: case "$arg" in
! 737: -o)
! 738: shift
! 739: ;;
! 740: $object)
! 741: shift
! 742: ;;
! 743: "-Gm"|"/Gm"|"-Gi"|"/Gi"|"-ZI"|"/ZI")
! 744: set fnord "$@"
! 745: shift
! 746: shift
! 747: ;;
! 748: *)
! 749: set fnord "$@" "$arg"
! 750: shift
! 751: shift
! 752: ;;
! 753: esac
! 754: done
! 755: "$@" -E 2>/dev/null |
! 756: sed -n '/^#line [0-9][0-9]* "\([^"]*\)"/ s::\1:p' | $cygpath_u | sort -u > "$tmpdepfile"
! 757: rm -f "$depfile"
! 758: echo "$object : \\" > "$depfile"
! 759: sed < "$tmpdepfile" -n -e 's% %\\ %g' -e '/^\(.*\)$/ s::'"$tab"'\1 \\:p' >> "$depfile"
! 760: echo "$tab" >> "$depfile"
! 761: sed < "$tmpdepfile" -n -e 's% %\\ %g' -e '/^\(.*\)$/ s::\1\::p' >> "$depfile"
! 762: rm -f "$tmpdepfile"
! 763: ;;
! 764:
! 765: msvcmsys)
! 766: # This case exists only to let depend.m4 do its work. It works by
! 767: # looking at the text of this script. This case will never be run,
! 768: # since it is checked for above.
! 769: exit 1
! 770: ;;
! 771:
! 772: none)
! 773: exec "$@"
! 774: ;;
! 775:
! 776: *)
! 777: echo "Unknown depmode $depmode" 1>&2
! 778: exit 1
! 779: ;;
! 780: esac
! 781:
! 782: exit 0
! 783:
! 784: # Local Variables:
! 785: # mode: shell-script
! 786: # sh-indentation: 2
! 787: # eval: (add-hook 'before-save-hook 'time-stamp)
! 788: # time-stamp-start: "scriptversion="
! 789: # time-stamp-format: "%:y-%02m-%02d.%02H"
! 790: # time-stamp-time-zone: "UTC0"
! 791: # time-stamp-end: "; # UTC"
! 792: # End:
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