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1.1 ! root 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) 1999-2013 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 <[email protected]>. ! 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 <[email protected]>. ! 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 "$tmpdepfile" ! 245: ;; ! 246: ! 247: hp) ! 248: # This case exists only to let depend.m4 do its work. It works by ! 249: # looking at the text of this script. This case will never be run, ! 250: # since it is checked for above. ! 251: exit 1 ! 252: ;; ! 253: ! 254: sgi) ! 255: if test "$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 "$tmpdepfile" ! 287: ;; ! 288: ! 289: xlc) ! 290: # This case exists only to let depend.m4 do its work. It works by ! 291: # looking at the text of this script. This case will never be run, ! 292: # since it is checked for above. ! 293: exit 1 ! 294: ;; ! 295: ! 296: aix) ! 297: # The C for AIX Compiler uses -M and outputs the dependencies ! 298: # in a .u file. In older versions, this file always lives in the ! 299: # current directory. Also, the AIX compiler puts '$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 "$tmpdepfile" && break ! 324: done ! 325: aix_post_process_depfile ! 326: ;; ! 327: ! 328: tcc) ! 329: # tcc (Tiny C Compiler) understand '-MD -MF file' since version 0.9.26 ! 330: # FIXME: That version still under development at the moment of writing. ! 331: # Make that this statement remains true also for stable, released ! 332: # versions. ! 333: # It will wrap lines (doesn't matter whether long or short) with a ! 334: # trailing '\', as in: ! 335: # ! 336: # foo.o : \ ! 337: # foo.c \ ! 338: # foo.h \ ! 339: # ! 340: # It will put a trailing '\' even on the last line, and will use leading ! 341: # spaces rather than leading tabs (at least since its commit 0394caf7 ! 342: # "Emit spaces for -MD"). ! 343: "$@" -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 "$tmpdepfile" ! 357: ;; ! 358: ! 359: ## The order of this option in the case statement is important, since the ! 360: ## shell code in configure will try each of these formats in the order ! 361: ## listed in this file. A plain '-MD' option would be understood by many ! 362: ## compilers, so we must ensure this comes after the gcc and icc options. ! 363: pgcc) ! 364: # Portland's C compiler understands '-MD'. ! 365: # Will always output deps to 'file.d' where file is the root name of the ! 366: # source file under compilation, even if file resides in a subdirectory. ! 367: # The object file name does not affect the name of the '.d' file. ! 368: # pgcc 10.2 will output ! 369: # foo.o: sub/foo.c sub/foo.h ! 370: # and will wrap long lines using '\' : ! 371: # foo.o: sub/foo.c ... \ ! 372: # sub/foo.h ... \ ! 373: # ... ! 374: set_dir_from "$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: ! 435: hp2) ! 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: ! 478: tru64) ! 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 "$tmpdepfile" && break ! 515: done ! 516: # Same post-processing that is required for AIX mode. ! 517: aix_post_process_depfile ! 518: ;; ! 519: ! 520: msvc7) ! 521: if test "$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 ' ! 546: s/ /\\ /g ! 547: s/\(.*\)/'"$tab"'\1 \\/p ! 548: s/.\(.*\) \\/\1:/ ! 549: H ! 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: ! 559: msvc7msys) ! 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: ! 570: dashmstdout) ! 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 "$tmpdepfile" ! 616: ;; ! 617: ! 618: dashXmstdout) ! 619: # This case only exists to satisfy depend.m4. It is never actually ! 620: # run, as this mode is specially recognized in the preamble. ! 621: exit 1 ! 622: ;; ! 623: ! 624: makedepend) ! 625: "$@" || 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: ! 676: cpp) ! 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 "$tmpdepfile" ! 717: ;; ! 718: ! 719: msvisualcpp) ! 720: # Important note: in order to support this mode, a compiler *must* ! 721: # always write the preprocessed file to stdout. ! 722: "$@" || 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 "$tmpdepfile" ! 762: ;; ! 763: ! 764: msvcmsys) ! 765: # This case exists only to let depend.m4 do its work. It works by ! 766: # looking at the text of this script. This case will never be run, ! 767: # since it is checked for above. ! 768: exit 1 ! 769: ;; ! 770: ! 771: none) ! 772: exec "$@" ! 773: ;; ! 774: ! 775: *) ! 776: echo "Unknown depmode $depmode" 1>&2 ! 777: exit 1 ! 778: ;; ! 779: esac ! 780: ! 781: exit 0 ! 782: ! 783: # Local Variables: ! 784: # mode: shell-script ! 785: # sh-indentation: 2 ! 786: # eval: (add-hook 'write-file-hooks 'time-stamp) ! 787: # time-stamp-start: "scriptversion=" ! 788: # time-stamp-format: "%:y-%02m-%02d.%02H" ! 789: # time-stamp-time-zone: "UTC" ! 790: # time-stamp-end: "; # UTC" ! 791: # End:
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