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| 1 #! /bin/sh |
| 2 # depcomp - compile a program generating dependencies as side-effects |
| 3 |
| 4 scriptversion=2005-07-09.11 |
| 5 |
| 6 # Copyright (C) 1999, 2000, 2003, 2004, 2005 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, write to the Free Software |
| 20 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
| 21 # 02110-1301, USA. |
| 22 |
| 23 # As a special exception to the GNU General Public License, if you |
| 24 # distribute this file as part of a program that contains a |
| 25 # configuration script generated by Autoconf, you may include it under |
| 26 # the same distribution terms that you use for the rest of that program. |
| 27 |
| 28 # Originally written by Alexandre Oliva <oliva@dcc.unicamp.br>. |
| 29 |
| 30 case $1 in |
| 31 '') |
| 32 echo "$0: No command. Try \`$0 --help' for more information." 1>&2 |
| 33 exit 1; |
| 34 ;; |
| 35 -h | --h*) |
| 36 cat <<\EOF |
| 37 Usage: depcomp [--help] [--version] PROGRAM [ARGS] |
| 38 |
| 39 Run PROGRAMS ARGS to compile a file, generating dependencies |
| 40 as side-effects. |
| 41 |
| 42 Environment variables: |
| 43 depmode Dependency tracking mode. |
| 44 source Source file read by `PROGRAMS ARGS'. |
| 45 object Object file output by `PROGRAMS ARGS'. |
| 46 DEPDIR directory where to store dependencies. |
| 47 depfile Dependency file to output. |
| 48 tmpdepfile Temporary file to use when outputing dependencies. |
| 49 libtool Whether libtool is used (yes/no). |
| 50 |
| 51 Report bugs to <bug-automake@gnu.org>. |
| 52 EOF |
| 53 exit $? |
| 54 ;; |
| 55 -v | --v*) |
| 56 echo "depcomp $scriptversion" |
| 57 exit $? |
| 58 ;; |
| 59 esac |
| 60 |
| 61 if test -z "$depmode" || test -z "$source" || test -z "$object"; then |
| 62 echo "depcomp: Variables source, object and depmode must be set" 1>&2 |
| 63 exit 1 |
| 64 fi |
| 65 |
| 66 # Dependencies for sub/bar.o or sub/bar.obj go into sub/.deps/bar.Po. |
| 67 depfile=${depfile-`echo "$object" | |
| 68 sed 's|[^\\/]*$|'${DEPDIR-.deps}'/&|;s|\.\([^.]*\)$|.P\1|;s|Pobj$|Po|'`} |
| 69 tmpdepfile=${tmpdepfile-`echo "$depfile" | sed 's/\.\([^.]*\)$/.T\1/'`} |
| 70 |
| 71 rm -f "$tmpdepfile" |
| 72 |
| 73 # Some modes work just like other modes, but use different flags. We |
| 74 # parameterize here, but still list the modes in the big case below, |
| 75 # to make depend.m4 easier to write. Note that we *cannot* use a case |
| 76 # here, because this file can only contain one case statement. |
| 77 if test "$depmode" = hp; then |
| 78 # HP compiler uses -M and no extra arg. |
| 79 gccflag=-M |
| 80 depmode=gcc |
| 81 fi |
| 82 |
| 83 if test "$depmode" = dashXmstdout; then |
| 84 # This is just like dashmstdout with a different argument. |
| 85 dashmflag=-xM |
| 86 depmode=dashmstdout |
| 87 fi |
| 88 |
| 89 case "$depmode" in |
| 90 gcc3) |
| 91 ## gcc 3 implements dependency tracking that does exactly what |
| 92 ## we want. Yay! Note: for some reason libtool 1.4 doesn't like |
| 93 ## it if -MD -MP comes after the -MF stuff. Hmm. |
| 94 "$@" -MT "$object" -MD -MP -MF "$tmpdepfile" |
| 95 stat=$? |
| 96 if test $stat -eq 0; then : |
| 97 else |
| 98 rm -f "$tmpdepfile" |
| 99 exit $stat |
| 100 fi |
| 101 mv "$tmpdepfile" "$depfile" |
| 102 ;; |
| 103 |
| 104 gcc) |
| 105 ## There are various ways to get dependency output from gcc. Here's |
| 106 ## why we pick this rather obscure method: |
| 107 ## - Don't want to use -MD because we'd like the dependencies to end |
| 108 ## up in a subdir. Having to rename by hand is ugly. |
| 109 ## (We might end up doing this anyway to support other compilers.) |
| 110 ## - The DEPENDENCIES_OUTPUT environment variable makes gcc act like |
| 111 ## -MM, not -M (despite what the docs say). |
| 112 ## - Using -M directly means running the compiler twice (even worse |
| 113 ## than renaming). |
| 114 if test -z "$gccflag"; then |
| 115 gccflag=-MD, |
| 116 fi |
| 117 "$@" -Wp,"$gccflag$tmpdepfile" |
| 118 stat=$? |
| 119 if test $stat -eq 0; then : |
| 120 else |
| 121 rm -f "$tmpdepfile" |
| 122 exit $stat |
| 123 fi |
| 124 rm -f "$depfile" |
| 125 echo "$object : \\" > "$depfile" |
| 126 alpha=ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz |
| 127 ## The second -e expression handles DOS-style file names with drive letters. |
| 128 sed -e 's/^[^:]*: / /' \ |
| 129 -e 's/^['$alpha']:\/[^:]*: / /' < "$tmpdepfile" >> "$depfile" |
| 130 ## This next piece of magic avoids the `deleted header file' problem. |
| 131 ## The problem is that when a header file which appears in a .P file |
| 132 ## is deleted, the dependency causes make to die (because there is |
| 133 ## typically no way to rebuild the header). We avoid this by adding |
| 134 ## dummy dependencies for each header file. Too bad gcc doesn't do |
| 135 ## this for us directly. |
| 136 tr ' ' ' |
| 137 ' < "$tmpdepfile" | |
| 138 ## Some versions of gcc put a space before the `:'. On the theory |
| 139 ## that the space means something, we add a space to the output as |
| 140 ## well. |
| 141 ## Some versions of the HPUX 10.20 sed can't process this invocation |
| 142 ## correctly. Breaking it into two sed invocations is a workaround. |
| 143 sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile" |
| 144 rm -f "$tmpdepfile" |
| 145 ;; |
| 146 |
| 147 hp) |
| 148 # This case exists only to let depend.m4 do its work. It works by |
| 149 # looking at the text of this script. This case will never be run, |
| 150 # since it is checked for above. |
| 151 exit 1 |
| 152 ;; |
| 153 |
| 154 sgi) |
| 155 if test "$libtool" = yes; then |
| 156 "$@" "-Wp,-MDupdate,$tmpdepfile" |
| 157 else |
| 158 "$@" -MDupdate "$tmpdepfile" |
| 159 fi |
| 160 stat=$? |
| 161 if test $stat -eq 0; then : |
| 162 else |
| 163 rm -f "$tmpdepfile" |
| 164 exit $stat |
| 165 fi |
| 166 rm -f "$depfile" |
| 167 |
| 168 if test -f "$tmpdepfile"; then # yes, the sourcefile depend on other files |
| 169 echo "$object : \\" > "$depfile" |
| 170 |
| 171 # Clip off the initial element (the dependent). Don't try to be |
| 172 # clever and replace this with sed code, as IRIX sed won't handle |
| 173 # lines with more than a fixed number of characters (4096 in |
| 174 # IRIX 6.2 sed, 8192 in IRIX 6.5). We also remove comment lines; |
| 175 # the IRIX cc adds comments like `#:fec' to the end of the |
| 176 # dependency line. |
| 177 tr ' ' ' |
| 178 ' < "$tmpdepfile" \ |
| 179 | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' | \ |
| 180 tr ' |
| 181 ' ' ' >> $depfile |
| 182 echo >> $depfile |
| 183 |
| 184 # The second pass generates a dummy entry for each header file. |
| 185 tr ' ' ' |
| 186 ' < "$tmpdepfile" \ |
| 187 | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' -e 's/$/:/' \ |
| 188 >> $depfile |
| 189 else |
| 190 # The sourcefile does not contain any dependencies, so just |
| 191 # store a dummy comment line, to avoid errors with the Makefile |
| 192 # "include basename.Plo" scheme. |
| 193 echo "#dummy" > "$depfile" |
| 194 fi |
| 195 rm -f "$tmpdepfile" |
| 196 ;; |
| 197 |
| 198 aix) |
| 199 # The C for AIX Compiler uses -M and outputs the dependencies |
| 200 # in a .u file. In older versions, this file always lives in the |
| 201 # current directory. Also, the AIX compiler puts `$object:' at the |
| 202 # start of each line; $object doesn't have directory information. |
| 203 # Version 6 uses the directory in both cases. |
| 204 stripped=`echo "$object" | sed 's/\(.*\)\..*$/\1/'` |
| 205 tmpdepfile="$stripped.u" |
| 206 if test "$libtool" = yes; then |
| 207 "$@" -Wc,-M |
| 208 else |
| 209 "$@" -M |
| 210 fi |
| 211 stat=$? |
| 212 |
| 213 if test -f "$tmpdepfile"; then : |
| 214 else |
| 215 stripped=`echo "$stripped" | sed 's,^.*/,,'` |
| 216 tmpdepfile="$stripped.u" |
| 217 fi |
| 218 |
| 219 if test $stat -eq 0; then : |
| 220 else |
| 221 rm -f "$tmpdepfile" |
| 222 exit $stat |
| 223 fi |
| 224 |
| 225 if test -f "$tmpdepfile"; then |
| 226 outname="$stripped.o" |
| 227 # Each line is of the form `foo.o: dependent.h'. |
| 228 # Do two passes, one to just change these to |
| 229 # `$object: dependent.h' and one to simply `dependent.h:'. |
| 230 sed -e "s,^$outname:,$object :," < "$tmpdepfile" > "$depfile" |
| 231 sed -e "s,^$outname: \(.*\)$,\1:," < "$tmpdepfile" >> "$depfile" |
| 232 else |
| 233 # The sourcefile does not contain any dependencies, so just |
| 234 # store a dummy comment line, to avoid errors with the Makefile |
| 235 # "include basename.Plo" scheme. |
| 236 echo "#dummy" > "$depfile" |
| 237 fi |
| 238 rm -f "$tmpdepfile" |
| 239 ;; |
| 240 |
| 241 icc) |
| 242 # Intel's C compiler understands `-MD -MF file'. However on |
| 243 # icc -MD -MF foo.d -c -o sub/foo.o sub/foo.c |
| 244 # ICC 7.0 will fill foo.d with something like |
| 245 # foo.o: sub/foo.c |
| 246 # foo.o: sub/foo.h |
| 247 # which is wrong. We want: |
| 248 # sub/foo.o: sub/foo.c |
| 249 # sub/foo.o: sub/foo.h |
| 250 # sub/foo.c: |
| 251 # sub/foo.h: |
| 252 # ICC 7.1 will output |
| 253 # foo.o: sub/foo.c sub/foo.h |
| 254 # and will wrap long lines using \ : |
| 255 # foo.o: sub/foo.c ... \ |
| 256 # sub/foo.h ... \ |
| 257 # ... |
| 258 |
| 259 "$@" -MD -MF "$tmpdepfile" |
| 260 stat=$? |
| 261 if test $stat -eq 0; then : |
| 262 else |
| 263 rm -f "$tmpdepfile" |
| 264 exit $stat |
| 265 fi |
| 266 rm -f "$depfile" |
| 267 # Each line is of the form `foo.o: dependent.h', |
| 268 # or `foo.o: dep1.h dep2.h \', or ` dep3.h dep4.h \'. |
| 269 # Do two passes, one to just change these to |
| 270 # `$object: dependent.h' and one to simply `dependent.h:'. |
| 271 sed "s,^[^:]*:,$object :," < "$tmpdepfile" > "$depfile" |
| 272 # Some versions of the HPUX 10.20 sed can't process this invocation |
| 273 # correctly. Breaking it into two sed invocations is a workaround. |
| 274 sed 's,^[^:]*: \(.*\)$,\1,;s/^\\$//;/^$/d;/:$/d' < "$tmpdepfile" | |
| 275 sed -e 's/$/ :/' >> "$depfile" |
| 276 rm -f "$tmpdepfile" |
| 277 ;; |
| 278 |
| 279 tru64) |
| 280 # The Tru64 compiler uses -MD to generate dependencies as a side |
| 281 # effect. `cc -MD -o foo.o ...' puts the dependencies into `foo.o.d'. |
| 282 # At least on Alpha/Redhat 6.1, Compaq CCC V6.2-504 seems to put |
| 283 # dependencies in `foo.d' instead, so we check for that too. |
| 284 # Subdirectories are respected. |
| 285 dir=`echo "$object" | sed -e 's|/[^/]*$|/|'` |
| 286 test "x$dir" = "x$object" && dir= |
| 287 base=`echo "$object" | sed -e 's|^.*/||' -e 's/\.o$//' -e 's/\.lo$//'` |
| 288 |
| 289 if test "$libtool" = yes; then |
| 290 # With Tru64 cc, shared objects can also be used to make a |
| 291 # static library. This mecanism is used in libtool 1.4 series to |
| 292 # handle both shared and static libraries in a single compilation. |
| 293 # With libtool 1.4, dependencies were output in $dir.libs/$base.lo.d. |
| 294 # |
| 295 # With libtool 1.5 this exception was removed, and libtool now |
| 296 # generates 2 separate objects for the 2 libraries. These two |
| 297 # compilations output dependencies in in $dir.libs/$base.o.d and |
| 298 # in $dir$base.o.d. We have to check for both files, because |
| 299 # one of the two compilations can be disabled. We should prefer |
| 300 # $dir$base.o.d over $dir.libs/$base.o.d because the latter is |
| 301 # automatically cleaned when .libs/ is deleted, while ignoring |
| 302 # the former would cause a distcleancheck panic. |
| 303 tmpdepfile1=$dir.libs/$base.lo.d # libtool 1.4 |
| 304 tmpdepfile2=$dir$base.o.d # libtool 1.5 |
| 305 tmpdepfile3=$dir.libs/$base.o.d # libtool 1.5 |
| 306 tmpdepfile4=$dir.libs/$base.d # Compaq CCC V6.2-504 |
| 307 "$@" -Wc,-MD |
| 308 else |
| 309 tmpdepfile1=$dir$base.o.d |
| 310 tmpdepfile2=$dir$base.d |
| 311 tmpdepfile3=$dir$base.d |
| 312 tmpdepfile4=$dir$base.d |
| 313 "$@" -MD |
| 314 fi |
| 315 |
| 316 stat=$? |
| 317 if test $stat -eq 0; then : |
| 318 else |
| 319 rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" "$tmpdepfile4" |
| 320 exit $stat |
| 321 fi |
| 322 |
| 323 for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" "$tmpdepfile4" |
| 324 do |
| 325 test -f "$tmpdepfile" && break |
| 326 done |
| 327 if test -f "$tmpdepfile"; then |
| 328 sed -e "s,^.*\.[a-z]*:,$object:," < "$tmpdepfile" > "$depfile" |
| 329 # That's a tab and a space in the []. |
| 330 sed -e 's,^.*\.[a-z]*:[ ]*,,' -e 's,$,:,' < "$tmpdepfile" >> "$depfile" |
| 331 else |
| 332 echo "#dummy" > "$depfile" |
| 333 fi |
| 334 rm -f "$tmpdepfile" |
| 335 ;; |
| 336 |
| 337 #nosideeffect) |
| 338 # This comment above is used by automake to tell side-effect |
| 339 # dependency tracking mechanisms from slower ones. |
| 340 |
| 341 dashmstdout) |
| 342 # Important note: in order to support this mode, a compiler *must* |
| 343 # always write the preprocessed file to stdout, regardless of -o. |
| 344 "$@" || exit $? |
| 345 |
| 346 # Remove the call to Libtool. |
| 347 if test "$libtool" = yes; then |
| 348 while test $1 != '--mode=compile'; do |
| 349 shift |
| 350 done |
| 351 shift |
| 352 fi |
| 353 |
| 354 # Remove `-o $object'. |
| 355 IFS=" " |
| 356 for arg |
| 357 do |
| 358 case $arg in |
| 359 -o) |
| 360 shift |
| 361 ;; |
| 362 $object) |
| 363 shift |
| 364 ;; |
| 365 *) |
| 366 set fnord "$@" "$arg" |
| 367 shift # fnord |
| 368 shift # $arg |
| 369 ;; |
| 370 esac |
| 371 done |
| 372 |
| 373 test -z "$dashmflag" && dashmflag=-M |
| 374 # Require at least two characters before searching for `:' |
| 375 # in the target name. This is to cope with DOS-style filenames: |
| 376 # a dependency such as `c:/foo/bar' could be seen as target `c' otherwise. |
| 377 "$@" $dashmflag | |
| 378 sed 's:^[ ]*[^: ][^:][^:]*\:[ ]*:'"$object"'\: :' > "$tmpdepfile" |
| 379 rm -f "$depfile" |
| 380 cat < "$tmpdepfile" > "$depfile" |
| 381 tr ' ' ' |
| 382 ' < "$tmpdepfile" | \ |
| 383 ## Some versions of the HPUX 10.20 sed can't process this invocation |
| 384 ## correctly. Breaking it into two sed invocations is a workaround. |
| 385 sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile" |
| 386 rm -f "$tmpdepfile" |
| 387 ;; |
| 388 |
| 389 dashXmstdout) |
| 390 # This case only exists to satisfy depend.m4. It is never actually |
| 391 # run, as this mode is specially recognized in the preamble. |
| 392 exit 1 |
| 393 ;; |
| 394 |
| 395 makedepend) |
| 396 "$@" || exit $? |
| 397 # Remove any Libtool call |
| 398 if test "$libtool" = yes; then |
| 399 while test $1 != '--mode=compile'; do |
| 400 shift |
| 401 done |
| 402 shift |
| 403 fi |
| 404 # X makedepend |
| 405 shift |
| 406 cleared=no |
| 407 for arg in "$@"; do |
| 408 case $cleared in |
| 409 no) |
| 410 set ""; shift |
| 411 cleared=yes ;; |
| 412 esac |
| 413 case "$arg" in |
| 414 -D*|-I*) |
| 415 set fnord "$@" "$arg"; shift ;; |
| 416 # Strip any option that makedepend may not understand. Remove |
| 417 # the object too, otherwise makedepend will parse it as a source file. |
| 418 -*|$object) |
| 419 ;; |
| 420 *) |
| 421 set fnord "$@" "$arg"; shift ;; |
| 422 esac |
| 423 done |
| 424 obj_suffix="`echo $object | sed 's/^.*\././'`" |
| 425 touch "$tmpdepfile" |
| 426 ${MAKEDEPEND-makedepend} -o"$obj_suffix" -f"$tmpdepfile" "$@" |
| 427 rm -f "$depfile" |
| 428 cat < "$tmpdepfile" > "$depfile" |
| 429 sed '1,2d' "$tmpdepfile" | tr ' ' ' |
| 430 ' | \ |
| 431 ## Some versions of the HPUX 10.20 sed can't process this invocation |
| 432 ## correctly. Breaking it into two sed invocations is a workaround. |
| 433 sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile" |
| 434 rm -f "$tmpdepfile" "$tmpdepfile".bak |
| 435 ;; |
| 436 |
| 437 cpp) |
| 438 # Important note: in order to support this mode, a compiler *must* |
| 439 # always write the preprocessed file to stdout. |
| 440 "$@" || exit $? |
| 441 |
| 442 # Remove the call to Libtool. |
| 443 if test "$libtool" = yes; then |
| 444 while test $1 != '--mode=compile'; do |
| 445 shift |
| 446 done |
| 447 shift |
| 448 fi |
| 449 |
| 450 # Remove `-o $object'. |
| 451 IFS=" " |
| 452 for arg |
| 453 do |
| 454 case $arg in |
| 455 -o) |
| 456 shift |
| 457 ;; |
| 458 $object) |
| 459 shift |
| 460 ;; |
| 461 *) |
| 462 set fnord "$@" "$arg" |
| 463 shift # fnord |
| 464 shift # $arg |
| 465 ;; |
| 466 esac |
| 467 done |
| 468 |
| 469 "$@" -E | |
| 470 sed -n -e '/^# [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' \ |
| 471 -e '/^#line [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' | |
| 472 sed '$ s: \\$::' > "$tmpdepfile" |
| 473 rm -f "$depfile" |
| 474 echo "$object : \\" > "$depfile" |
| 475 cat < "$tmpdepfile" >> "$depfile" |
| 476 sed < "$tmpdepfile" '/^$/d;s/^ //;s/ \\$//;s/$/ :/' >> "$depfile" |
| 477 rm -f "$tmpdepfile" |
| 478 ;; |
| 479 |
| 480 msvisualcpp) |
| 481 # Important note: in order to support this mode, a compiler *must* |
| 482 # always write the preprocessed file to stdout, regardless of -o, |
| 483 # because we must use -o when running libtool. |
| 484 "$@" || exit $? |
| 485 IFS=" " |
| 486 for arg |
| 487 do |
| 488 case "$arg" in |
| 489 "-Gm"|"/Gm"|"-Gi"|"/Gi"|"-ZI"|"/ZI") |
| 490 set fnord "$@" |
| 491 shift |
| 492 shift |
| 493 ;; |
| 494 *) |
| 495 set fnord "$@" "$arg" |
| 496 shift |
| 497 shift |
| 498 ;; |
| 499 esac |
| 500 done |
| 501 "$@" -E | |
| 502 sed -n '/^#line [0-9][0-9]* "\([^"]*\)"/ s::echo "`cygpath -u \\"\1\\"`":p' |
sort | uniq > "$tmpdepfile" |
| 503 rm -f "$depfile" |
| 504 echo "$object : \\" > "$depfile" |
| 505 . "$tmpdepfile" | sed 's% %\\ %g' | sed -n '/^\(.*\)$/ s:: \1 \\:p' >> "$de
pfile" |
| 506 echo " " >> "$depfile" |
| 507 . "$tmpdepfile" | sed 's% %\\ %g' | sed -n '/^\(.*\)$/ s::\1\::p' >> "$depfile
" |
| 508 rm -f "$tmpdepfile" |
| 509 ;; |
| 510 |
| 511 none) |
| 512 exec "$@" |
| 513 ;; |
| 514 |
| 515 *) |
| 516 echo "Unknown depmode $depmode" 1>&2 |
| 517 exit 1 |
| 518 ;; |
| 519 esac |
| 520 |
| 521 exit 0 |
| 522 |
| 523 # Local Variables: |
| 524 # mode: shell-script |
| 525 # sh-indentation: 2 |
| 526 # eval: (add-hook 'write-file-hooks 'time-stamp) |
| 527 # time-stamp-start: "scriptversion=" |
| 528 # time-stamp-format: "%:y-%02m-%02d.%02H" |
| 529 # time-stamp-end: "$" |
| 530 # End: |
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