1 #! /bin/sh 2 # depcomp - compile a program generating dependencies as side-effects 3 4 scriptversion=2006-10-15.18 5 6 # Copyright (C) 1999, 2000, 2003, 2004, 2005, 2006 Free Software 7 # Foundation, Inc. 8 9 # This program is free software; you can redistribute it and/or modify 10 # it under the terms of the GNU General Public License as published by 11 # the Free Software Foundation; either version 2, or (at your option) 12 # any later version. 13 14 # This program is distributed in the hope that it will be useful, 15 # but WITHOUT ANY WARRANTY; without even the implied warranty of 16 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 17 # GNU General Public License for more details. 18 19 # You should have received a copy of the GNU General Public License 20 # along with this program; if not, write to the Free Software 21 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 22 # 02110-1301, USA. 23 24 # As a special exception to the GNU General Public License, if you 25 # distribute this file as part of a program that contains a 26 # configuration script generated by Autoconf, you may include it under 27 # the same distribution terms that you use for the rest of that program. 28 29 # Originally written by Alexandre Oliva <oliva (at] dcc.unicamp.br>. 30 31 case $1 in 32 '') 33 echo "$0: No command. Try \`$0 --help' for more information." 1>&2 34 exit 1; 35 ;; 36 -h | --h*) 37 cat <<\EOF 38 Usage: depcomp [--help] [--version] PROGRAM [ARGS] 39 40 Run PROGRAMS ARGS to compile a file, generating dependencies 41 as side-effects. 42 43 Environment variables: 44 depmode Dependency tracking mode. 45 source Source file read by `PROGRAMS ARGS'. 46 object Object file output by `PROGRAMS ARGS'. 47 DEPDIR directory where to store dependencies. 48 depfile Dependency file to output. 49 tmpdepfile Temporary file to use when outputing dependencies. 50 libtool Whether libtool is used (yes/no). 51 52 Report bugs to <bug-automake (at] gnu.org>. 53 EOF 54 exit $? 55 ;; 56 -v | --v*) 57 echo "depcomp $scriptversion" 58 exit $? 59 ;; 60 esac 61 62 if test -z "$depmode" || test -z "$source" || test -z "$object"; then 63 echo "depcomp: Variables source, object and depmode must be set" 1>&2 64 exit 1 65 fi 66 67 # Dependencies for sub/bar.o or sub/bar.obj go into sub/.deps/bar.Po. 68 depfile=${depfile-`echo "$object" | 69 sed 's|[^\\/]*$|'${DEPDIR-.deps}'/&|;s|\.\([^.]*\)$|.P\1|;s|Pobj$|Po|'`} 70 tmpdepfile=${tmpdepfile-`echo "$depfile" | sed 's/\.\([^.]*\)$/.T\1/'`} 71 72 rm -f "$tmpdepfile" 73 74 # Some modes work just like other modes, but use different flags. We 75 # parameterize here, but still list the modes in the big case below, 76 # to make depend.m4 easier to write. Note that we *cannot* use a case 77 # here, because this file can only contain one case statement. 78 if test "$depmode" = hp; then 79 # HP compiler uses -M and no extra arg. 80 gccflag=-M 81 depmode=gcc 82 fi 83 84 if test "$depmode" = dashXmstdout; then 85 # This is just like dashmstdout with a different argument. 86 dashmflag=-xM 87 depmode=dashmstdout 88 fi 89 90 case "$depmode" in 91 gcc3) 92 ## gcc 3 implements dependency tracking that does exactly what 93 ## we want. Yay! Note: for some reason libtool 1.4 doesn't like 94 ## it if -MD -MP comes after the -MF stuff. Hmm. 95 ## Unfortunately, FreeBSD c89 acceptance of flags depends upon 96 ## the command line argument order; so add the flags where they 97 ## appear in depend2.am. Note that the slowdown incurred here 98 ## affects only configure: in makefiles, %FASTDEP% shortcuts this. 99 for arg 100 do 101 case $arg in 102 -c) set fnord "$@" -MT "$object" -MD -MP -MF "$tmpdepfile" "$arg" ;; 103 *) set fnord "$@" "$arg" ;; 104 esac 105 shift # fnord 106 shift # $arg 107 done 108 "$@" 109 stat=$? 110 if test $stat -eq 0; then : 111 else 112 rm -f "$tmpdepfile" 113 exit $stat 114 fi 115 mv "$tmpdepfile" "$depfile" 116 ;; 117 118 gcc) 119 ## There are various ways to get dependency output from gcc. Here's 120 ## why we pick this rather obscure method: 121 ## - Don't want to use -MD because we'd like the dependencies to end 122 ## up in a subdir. Having to rename by hand is ugly. 123 ## (We might end up doing this anyway to support other compilers.) 124 ## - The DEPENDENCIES_OUTPUT environment variable makes gcc act like 125 ## -MM, not -M (despite what the docs say). 126 ## - Using -M directly means running the compiler twice (even worse 127 ## than renaming). 128 if test -z "$gccflag"; then 129 gccflag=-MD, 130 fi 131 "$@" -Wp,"$gccflag$tmpdepfile" 132 stat=$? 133 if test $stat -eq 0; then : 134 else 135 rm -f "$tmpdepfile" 136 exit $stat 137 fi 138 rm -f "$depfile" 139 echo "$object : \\" > "$depfile" 140 alpha=ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz 141 ## The second -e expression handles DOS-style file names with drive letters. 142 sed -e 's/^[^:]*: / /' \ 143 -e 's/^['$alpha']:\/[^:]*: / /' < "$tmpdepfile" >> "$depfile" 144 ## This next piece of magic avoids the `deleted header file' problem. 145 ## The problem is that when a header file which appears in a .P file 146 ## is deleted, the dependency causes make to die (because there is 147 ## typically no way to rebuild the header). We avoid this by adding 148 ## dummy dependencies for each header file. Too bad gcc doesn't do 149 ## this for us directly. 150 tr ' ' ' 151 ' < "$tmpdepfile" | 152 ## Some versions of gcc put a space before the `:'. On the theory 153 ## that the space means something, we add a space to the output as 154 ## well. 155 ## Some versions of the HPUX 10.20 sed can't process this invocation 156 ## correctly. Breaking it into two sed invocations is a workaround. 157 sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile" 158 rm -f "$tmpdepfile" 159 ;; 160 161 hp) 162 # This case exists only to let depend.m4 do its work. It works by 163 # looking at the text of this script. This case will never be run, 164 # since it is checked for above. 165 exit 1 166 ;; 167 168 sgi) 169 if test "$libtool" = yes; then 170 "$@" "-Wp,-MDupdate,$tmpdepfile" 171 else 172 "$@" -MDupdate "$tmpdepfile" 173 fi 174 stat=$? 175 if test $stat -eq 0; then : 176 else 177 rm -f "$tmpdepfile" 178 exit $stat 179 fi 180 rm -f "$depfile" 181 182 if test -f "$tmpdepfile"; then # yes, the sourcefile depend on other files 183 echo "$object : \\" > "$depfile" 184 185 # Clip off the initial element (the dependent). Don't try to be 186 # clever and replace this with sed code, as IRIX sed won't handle 187 # lines with more than a fixed number of characters (4096 in 188 # IRIX 6.2 sed, 8192 in IRIX 6.5). We also remove comment lines; 189 # the IRIX cc adds comments like `#:fec' to the end of the 190 # dependency line. 191 tr ' ' ' 192 ' < "$tmpdepfile" \ 193 | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' | \ 194 tr ' 195 ' ' ' >> $depfile 196 echo >> $depfile 197 198 # The second pass generates a dummy entry for each header file. 199 tr ' ' ' 200 ' < "$tmpdepfile" \ 201 | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' -e 's/$/:/' \ 202 >> $depfile 203 else 204 # The sourcefile does not contain any dependencies, so just 205 # store a dummy comment line, to avoid errors with the Makefile 206 # "include basename.Plo" scheme. 207 echo "#dummy" > "$depfile" 208 fi 209 rm -f "$tmpdepfile" 210 ;; 211 212 aix) 213 # The C for AIX Compiler uses -M and outputs the dependencies 214 # in a .u file. In older versions, this file always lives in the 215 # current directory. Also, the AIX compiler puts `$object:' at the 216 # start of each line; $object doesn't have directory information. 217 # Version 6 uses the directory in both cases. 218 stripped=`echo "$object" | sed 's/\(.*\)\..*$/\1/'` 219 tmpdepfile="$stripped.u" 220 if test "$libtool" = yes; then 221 "$@" -Wc,-M 222 else 223 "$@" -M 224 fi 225 stat=$? 226 227 if test -f "$tmpdepfile"; then : 228 else 229 stripped=`echo "$stripped" | sed 's,^.*/,,'` 230 tmpdepfile="$stripped.u" 231 fi 232 233 if test $stat -eq 0; then : 234 else 235 rm -f "$tmpdepfile" 236 exit $stat 237 fi 238 239 if test -f "$tmpdepfile"; then 240 outname="$stripped.o" 241 # Each line is of the form `foo.o: dependent.h'. 242 # Do two passes, one to just change these to 243 # `$object: dependent.h' and one to simply `dependent.h:'. 244 sed -e "s,^$outname:,$object :," < "$tmpdepfile" > "$depfile" 245 sed -e "s,^$outname: \(.*\)$,\1:," < "$tmpdepfile" >> "$depfile" 246 else 247 # The sourcefile does not contain any dependencies, so just 248 # store a dummy comment line, to avoid errors with the Makefile 249 # "include basename.Plo" scheme. 250 echo "#dummy" > "$depfile" 251 fi 252 rm -f "$tmpdepfile" 253 ;; 254 255 icc) 256 # Intel's C compiler understands `-MD -MF file'. However on 257 # icc -MD -MF foo.d -c -o sub/foo.o sub/foo.c 258 # ICC 7.0 will fill foo.d with something like 259 # foo.o: sub/foo.c 260 # foo.o: sub/foo.h 261 # which is wrong. We want: 262 # sub/foo.o: sub/foo.c 263 # sub/foo.o: sub/foo.h 264 # sub/foo.c: 265 # sub/foo.h: 266 # ICC 7.1 will output 267 # foo.o: sub/foo.c sub/foo.h 268 # and will wrap long lines using \ : 269 # foo.o: sub/foo.c ... \ 270 # sub/foo.h ... \ 271 # ... 272 273 "$@" -MD -MF "$tmpdepfile" 274 stat=$? 275 if test $stat -eq 0; then : 276 else 277 rm -f "$tmpdepfile" 278 exit $stat 279 fi 280 rm -f "$depfile" 281 # Each line is of the form `foo.o: dependent.h', 282 # or `foo.o: dep1.h dep2.h \', or ` dep3.h dep4.h \'. 283 # Do two passes, one to just change these to 284 # `$object: dependent.h' and one to simply `dependent.h:'. 285 sed "s,^[^:]*:,$object :," < "$tmpdepfile" > "$depfile" 286 # Some versions of the HPUX 10.20 sed can't process this invocation 287 # correctly. Breaking it into two sed invocations is a workaround. 288 sed 's,^[^:]*: \(.*\)$,\1,;s/^\\$//;/^$/d;/:$/d' < "$tmpdepfile" | 289 sed -e 's/$/ :/' >> "$depfile" 290 rm -f "$tmpdepfile" 291 ;; 292 293 hp2) 294 # The "hp" stanza above does not work with aCC (C++) and HP's ia64 295 # compilers, which have integrated preprocessors. The correct option 296 # to use with these is +Maked; it writes dependencies to a file named 297 # 'foo.d', which lands next to the object file, wherever that 298 # happens to be. 299 # Much of this is similar to the tru64 case; see comments there. 300 dir=`echo "$object" | sed -e 's|/[^/]*$|/|'` 301 test "x$dir" = "x$object" && dir= 302 base=`echo "$object" | sed -e 's|^.*/||' -e 's/\.o$//' -e 's/\.lo$//'` 303 if test "$libtool" = yes; then 304 tmpdepfile1=$dir$base.d 305 tmpdepfile2=$dir.libs/$base.d 306 "$@" -Wc,+Maked 307 else 308 tmpdepfile1=$dir$base.d 309 tmpdepfile2=$dir$base.d 310 "$@" +Maked 311 fi 312 stat=$? 313 if test $stat -eq 0; then : 314 else 315 rm -f "$tmpdepfile1" "$tmpdepfile2" 316 exit $stat 317 fi 318 319 for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" 320 do 321 test -f "$tmpdepfile" && break 322 done 323 if test -f "$tmpdepfile"; then 324 sed -e "s,^.*\.[a-z]*:,$object:," "$tmpdepfile" > "$depfile" 325 # Add `dependent.h:' lines. 326 sed -ne '2,${; s/^ *//; s/ \\*$//; s/$/:/; p;}' "$tmpdepfile" >> "$depfile" 327 else 328 echo "#dummy" > "$depfile" 329 fi 330 rm -f "$tmpdepfile" "$tmpdepfile2" 331 ;; 332 333 tru64) 334 # The Tru64 compiler uses -MD to generate dependencies as a side 335 # effect. `cc -MD -o foo.o ...' puts the dependencies into `foo.o.d'. 336 # At least on Alpha/Redhat 6.1, Compaq CCC V6.2-504 seems to put 337 # dependencies in `foo.d' instead, so we check for that too. 338 # Subdirectories are respected. 339 dir=`echo "$object" | sed -e 's|/[^/]*$|/|'` 340 test "x$dir" = "x$object" && dir= 341 base=`echo "$object" | sed -e 's|^.*/||' -e 's/\.o$//' -e 's/\.lo$//'` 342 343 if test "$libtool" = yes; then 344 # With Tru64 cc, shared objects can also be used to make a 345 # static library. This mechanism is used in libtool 1.4 series to 346 # handle both shared and static libraries in a single compilation. 347 # With libtool 1.4, dependencies were output in $dir.libs/$base.lo.d. 348 # 349 # With libtool 1.5 this exception was removed, and libtool now 350 # generates 2 separate objects for the 2 libraries. These two 351 # compilations output dependencies in $dir.libs/$base.o.d and 352 # in $dir$base.o.d. We have to check for both files, because 353 # one of the two compilations can be disabled. We should prefer 354 # $dir$base.o.d over $dir.libs/$base.o.d because the latter is 355 # automatically cleaned when .libs/ is deleted, while ignoring 356 # the former would cause a distcleancheck panic. 357 tmpdepfile1=$dir.libs/$base.lo.d # libtool 1.4 358 tmpdepfile2=$dir$base.o.d # libtool 1.5 359 tmpdepfile3=$dir.libs/$base.o.d # libtool 1.5 360 tmpdepfile4=$dir.libs/$base.d # Compaq CCC V6.2-504 361 "$@" -Wc,-MD 362 else 363 tmpdepfile1=$dir$base.o.d 364 tmpdepfile2=$dir$base.d 365 tmpdepfile3=$dir$base.d 366 tmpdepfile4=$dir$base.d 367 "$@" -MD 368 fi 369 370 stat=$? 371 if test $stat -eq 0; then : 372 else 373 rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" "$tmpdepfile4" 374 exit $stat 375 fi 376 377 for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" "$tmpdepfile4" 378 do 379 test -f "$tmpdepfile" && break 380 done 381 if test -f "$tmpdepfile"; then 382 sed -e "s,^.*\.[a-z]*:,$object:," < "$tmpdepfile" > "$depfile" 383 # That's a tab and a space in the []. 384 sed -e 's,^.*\.[a-z]*:[ ]*,,' -e 's,$,:,' < "$tmpdepfile" >> "$depfile" 385 else 386 echo "#dummy" > "$depfile" 387 fi 388 rm -f "$tmpdepfile" 389 ;; 390 391 #nosideeffect) 392 # This comment above is used by automake to tell side-effect 393 # dependency tracking mechanisms from slower ones. 394 395 dashmstdout) 396 # Important note: in order to support this mode, a compiler *must* 397 # always write the preprocessed file to stdout, regardless of -o. 398 "$@" || exit $? 399 400 # Remove the call to Libtool. 401 if test "$libtool" = yes; then 402 while test $1 != '--mode=compile'; do 403 shift 404 done 405 shift 406 fi 407 408 # Remove `-o $object'. 409 IFS=" " 410 for arg 411 do 412 case $arg in 413 -o) 414 shift 415 ;; 416 $object) 417 shift 418 ;; 419 *) 420 set fnord "$@" "$arg" 421 shift # fnord 422 shift # $arg 423 ;; 424 esac 425 done 426 427 test -z "$dashmflag" && dashmflag=-M 428 # Require at least two characters before searching for `:' 429 # in the target name. This is to cope with DOS-style filenames: 430 # a dependency such as `c:/foo/bar' could be seen as target `c' otherwise. 431 "$@" $dashmflag | 432 sed 's:^[ ]*[^: ][^:][^:]*\:[ ]*:'"$object"'\: :' > "$tmpdepfile" 433 rm -f "$depfile" 434 cat < "$tmpdepfile" > "$depfile" 435 tr ' ' ' 436 ' < "$tmpdepfile" | \ 437 ## Some versions of the HPUX 10.20 sed can't process this invocation 438 ## correctly. Breaking it into two sed invocations is a workaround. 439 sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile" 440 rm -f "$tmpdepfile" 441 ;; 442 443 dashXmstdout) 444 # This case only exists to satisfy depend.m4. It is never actually 445 # run, as this mode is specially recognized in the preamble. 446 exit 1 447 ;; 448 449 makedepend) 450 "$@" || exit $? 451 # Remove any Libtool call 452 if test "$libtool" = yes; then 453 while test $1 != '--mode=compile'; do 454 shift 455 done 456 shift 457 fi 458 # X makedepend 459 shift 460 cleared=no 461 for arg in "$@"; do 462 case $cleared in 463 no) 464 set ""; shift 465 cleared=yes ;; 466 esac 467 case "$arg" in 468 -D*|-I*) 469 set fnord "$@" "$arg"; shift ;; 470 # Strip any option that makedepend may not understand. Remove 471 # the object too, otherwise makedepend will parse it as a source file. 472 -*|$object) 473 ;; 474 *) 475 set fnord "$@" "$arg"; shift ;; 476 esac 477 done 478 obj_suffix="`echo $object | sed 's/^.*\././'`" 479 touch "$tmpdepfile" 480 ${MAKEDEPEND-makedepend} -o"$obj_suffix" -f"$tmpdepfile" "$@" 481 rm -f "$depfile" 482 cat < "$tmpdepfile" > "$depfile" 483 sed '1,2d' "$tmpdepfile" | tr ' ' ' 484 ' | \ 485 ## Some versions of the HPUX 10.20 sed can't process this invocation 486 ## correctly. Breaking it into two sed invocations is a workaround. 487 sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile" 488 rm -f "$tmpdepfile" "$tmpdepfile".bak 489 ;; 490 491 cpp) 492 # Important note: in order to support this mode, a compiler *must* 493 # always write the preprocessed file to stdout. 494 "$@" || exit $? 495 496 # Remove the call to Libtool. 497 if test "$libtool" = yes; then 498 while test $1 != '--mode=compile'; do 499 shift 500 done 501 shift 502 fi 503 504 # Remove `-o $object'. 505 IFS=" " 506 for arg 507 do 508 case $arg in 509 -o) 510 shift 511 ;; 512 $object) 513 shift 514 ;; 515 *) 516 set fnord "$@" "$arg" 517 shift # fnord 518 shift # $arg 519 ;; 520 esac 521 done 522 523 "$@" -E | 524 sed -n -e '/^# [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' \ 525 -e '/^#line [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' | 526 sed '$ s: \\$::' > "$tmpdepfile" 527 rm -f "$depfile" 528 echo "$object : \\" > "$depfile" 529 cat < "$tmpdepfile" >> "$depfile" 530 sed < "$tmpdepfile" '/^$/d;s/^ //;s/ \\$//;s/$/ :/' >> "$depfile" 531 rm -f "$tmpdepfile" 532 ;; 533 534 msvisualcpp) 535 # Important note: in order to support this mode, a compiler *must* 536 # always write the preprocessed file to stdout, regardless of -o, 537 # because we must use -o when running libtool. 538 "$@" || exit $? 539 IFS=" " 540 for arg 541 do 542 case "$arg" in 543 "-Gm"|"/Gm"|"-Gi"|"/Gi"|"-ZI"|"/ZI") 544 set fnord "$@" 545 shift 546 shift 547 ;; 548 *) 549 set fnord "$@" "$arg" 550 shift 551 shift 552 ;; 553 esac 554 done 555 "$@" -E | 556 sed -n '/^#line [0-9][0-9]* "\([^"]*\)"/ s::echo "`cygpath -u \\"\1\\"`":p' | sort | uniq > "$tmpdepfile" 557 rm -f "$depfile" 558 echo "$object : \\" > "$depfile" 559 . "$tmpdepfile" | sed 's% %\\ %g' | sed -n '/^\(.*\)$/ s:: \1 \\:p' >> "$depfile" 560 echo " " >> "$depfile" 561 . "$tmpdepfile" | sed 's% %\\ %g' | sed -n '/^\(.*\)$/ s::\1\::p' >> "$depfile" 562 rm -f "$tmpdepfile" 563 ;; 564 565 none) 566 exec "$@" 567 ;; 568 569 *) 570 echo "Unknown depmode $depmode" 1>&2 571 exit 1 572 ;; 573 esac 574 575 exit 0 576 577 # Local Variables: 578 # mode: shell-script 579 # sh-indentation: 2 580 # eval: (add-hook 'write-file-hooks 'time-stamp) 581 # time-stamp-start: "scriptversion=" 582 # time-stamp-format: "%:y-%02m-%02d.%02H" 583 # time-stamp-end: "$" 584 # End: 585
