1 #! /bin/sh 2 3 # depcomp - compile a program generating dependencies as side-effects 4 # Copyright 1999, 2000, 2003 Free Software Foundation, Inc. 5 6 # This program is free software; you can redistribute it and/or modify 7 # it under the terms of the GNU General Public License as published by 8 # the Free Software Foundation; either version 2, or (at your option) 9 # any later version. 10 11 # This program is distributed in the hope that it will be useful, 12 # but WITHOUT ANY WARRANTY; without even the implied warranty of 13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 # GNU General Public License for more details. 15 16 # You should have received a copy of the GNU General Public License 17 # along with this program; if not, write to the Free Software 18 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 19 # 02111-1307, USA. 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 if test -z "$depmode" || test -z "$source" || test -z "$object"; then 29 echo "depcomp: Variables source, object and depmode must be set" 1>&2 30 exit 1 31 fi 32 # `libtool' can also be set to `yes' or `no'. 33 34 if test -z "$depfile"; then 35 base=`echo "$object" | sed -e 's,^.*/,,' -e 's,\.\([^.]*\)$,.P\1,'` 36 dir=`echo "$object" | sed 's,/.*$,/,'` 37 if test "$dir" = "$object"; then 38 dir= 39 fi 40 # FIXME: should be _deps on DOS. 41 depfile="$dir.deps/$base" 42 fi 43 44 tmpdepfile=${tmpdepfile-`echo "$depfile" | sed 's/\.\([^.]*\)$/.T\1/'`} 45 46 rm -f "$tmpdepfile" 47 48 # Some modes work just like other modes, but use different flags. We 49 # parameterize here, but still list the modes in the big case below, 50 # to make depend.m4 easier to write. Note that we *cannot* use a case 51 # here, because this file can only contain one case statement. 52 if test "$depmode" = hp; then 53 # HP compiler uses -M and no extra arg. 54 gccflag=-M 55 depmode=gcc 56 fi 57 58 if test "$depmode" = dashXmstdout; then 59 # This is just like dashmstdout with a different argument. 60 dashmflag=-xM 61 depmode=dashmstdout 62 fi 63 64 case "$depmode" in 65 gcc3) 66 ## gcc 3 implements dependency tracking that does exactly what 67 ## we want. Yay! Note: for some reason libtool 1.4 doesn't like 68 ## it if -MD -MP comes after the -MF stuff. Hmm. 69 "$@" -MT "$object" -MD -MP -MF "$tmpdepfile" 70 stat=$? 71 if test $stat -eq 0; then : 72 else 73 rm -f "$tmpdepfile" 74 exit $stat 75 fi 76 mv "$tmpdepfile" "$depfile" 77 ;; 78 79 gcc) 80 ## There are various ways to get dependency output from gcc. Here's 81 ## why we pick this rather obscure method: 82 ## - Don't want to use -MD because we'd like the dependencies to end 83 ## up in a subdir. Having to rename by hand is ugly. 84 ## (We might end up doing this anyway to support other compilers.) 85 ## - The DEPENDENCIES_OUTPUT environment variable makes gcc act like 86 ## -MM, not -M (despite what the docs say). 87 ## - Using -M directly means running the compiler twice (even worse 88 ## than renaming). 89 if test -z "$gccflag"; then 90 gccflag=-MD, 91 fi 92 "$@" -Wp,"$gccflag$tmpdepfile" 93 stat=$? 94 if test $stat -eq 0; then : 95 else 96 rm -f "$tmpdepfile" 97 exit $stat 98 fi 99 rm -f "$depfile" 100 echo "$object : \\" > "$depfile" 101 alpha=ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz 102 ## The second -e expression handles DOS-style file names with drive letters. 103 sed -e 's/^[^:]*: / /' \ 104 -e 's/^['$alpha']:\/[^:]*: / /' < "$tmpdepfile" >> "$depfile" 105 ## This next piece of magic avoids the `deleted header file' problem. 106 ## The problem is that when a header file which appears in a .P file 107 ## is deleted, the dependency causes make to die (because there is 108 ## typically no way to rebuild the header). We avoid this by adding 109 ## dummy dependencies for each header file. Too bad gcc doesn't do 110 ## this for us directly. 111 tr ' ' ' 112 ' < "$tmpdepfile" | 113 ## Some versions of gcc put a space before the `:'. On the theory 114 ## that the space means something, we add a space to the output as 115 ## well. 116 ## Some versions of the HPUX 10.20 sed can't process this invocation 117 ## correctly. Breaking it into two sed invocations is a workaround. 118 sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile" 119 rm -f "$tmpdepfile" 120 ;; 121 122 hp) 123 # This case exists only to let depend.m4 do its work. It works by 124 # looking at the text of this script. This case will never be run, 125 # since it is checked for above. 126 exit 1 127 ;; 128 129 sgi) 130 if test "$libtool" = yes; then 131 "$@" "-Wp,-MDupdate,$tmpdepfile" 132 else 133 "$@" -MDupdate "$tmpdepfile" 134 fi 135 stat=$? 136 if test $stat -eq 0; then : 137 else 138 rm -f "$tmpdepfile" 139 exit $stat 140 fi 141 rm -f "$depfile" 142 143 if test -f "$tmpdepfile"; then # yes, the sourcefile depend on other files 144 echo "$object : \\" > "$depfile" 145 146 # Clip off the initial element (the dependent). Don't try to be 147 # clever and replace this with sed code, as IRIX sed won't handle 148 # lines with more than a fixed number of characters (4096 in 149 # IRIX 6.2 sed, 8192 in IRIX 6.5). We also remove comment lines; 150 # the IRIX cc adds comments like `#:fec' to the end of the 151 # dependency line. 152 tr ' ' ' 153 ' < "$tmpdepfile" \ 154 | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' | \ 155 tr ' 156 ' ' ' >> $depfile 157 echo >> $depfile 158 159 # The second pass generates a dummy entry for each header file. 160 tr ' ' ' 161 ' < "$tmpdepfile" \ 162 | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' -e 's/$/:/' \ 163 >> $depfile 164 else 165 # The sourcefile does not contain any dependencies, so just 166 # store a dummy comment line, to avoid errors with the Makefile 167 # "include basename.Plo" scheme. 168 echo "#dummy" > "$depfile" 169 fi 170 rm -f "$tmpdepfile" 171 ;; 172 173 aix) 174 # The C for AIX Compiler uses -M and outputs the dependencies 175 # in a .u file. In older versions, this file always lives in the 176 # current directory. Also, the AIX compiler puts `$object:' at the 177 # start of each line; $object doesn't have directory information. 178 # Version 6 uses the directory in both cases. 179 stripped=`echo "$object" | sed 's/\(.*\)\..*$/\1/'` 180 tmpdepfile="$stripped.u" 181 if test "$libtool" = yes; then 182 "$@" -Wc,-M 183 else 184 "$@" -M 185 fi 186 stat=$? 187 188 if test -f "$tmpdepfile"; then : 189 else 190 stripped=`echo "$stripped" | sed 's,^.*/,,'` 191 tmpdepfile="$stripped.u" 192 fi 193 194 if test $stat -eq 0; then : 195 else 196 rm -f "$tmpdepfile" 197 exit $stat 198 fi 199 200 if test -f "$tmpdepfile"; then 201 outname="$stripped.o" 202 # Each line is of the form `foo.o: dependent.h'. 203 # Do two passes, one to just change these to 204 # `$object: dependent.h' and one to simply `dependent.h:'. 205 sed -e "s,^$outname:,$object :," < "$tmpdepfile" > "$depfile" 206 sed -e "s,^$outname: \(.*\)$,\1:," < "$tmpdepfile" >> "$depfile" 207 else 208 # The sourcefile does not contain any dependencies, so just 209 # store a dummy comment line, to avoid errors with the Makefile 210 # "include basename.Plo" scheme. 211 echo "#dummy" > "$depfile" 212 fi 213 rm -f "$tmpdepfile" 214 ;; 215 216 icc) 217 # Intel's C compiler understands `-MD -MF file'. However on 218 # icc -MD -MF foo.d -c -o sub/foo.o sub/foo.c 219 # ICC 7.0 will fill foo.d with something like 220 # foo.o: sub/foo.c 221 # foo.o: sub/foo.h 222 # which is wrong. We want: 223 # sub/foo.o: sub/foo.c 224 # sub/foo.o: sub/foo.h 225 # sub/foo.c: 226 # sub/foo.h: 227 # ICC 7.1 will output 228 # foo.o: sub/foo.c sub/foo.h 229 # and will wrap long lines using \ : 230 # foo.o: sub/foo.c ... \ 231 # sub/foo.h ... \ 232 # ... 233 234 "$@" -MD -MF "$tmpdepfile" 235 stat=$? 236 if test $stat -eq 0; then : 237 else 238 rm -f "$tmpdepfile" 239 exit $stat 240 fi 241 rm -f "$depfile" 242 # Each line is of the form `foo.o: dependent.h', 243 # or `foo.o: dep1.h dep2.h \', or ` dep3.h dep4.h \'. 244 # Do two passes, one to just change these to 245 # `$object: dependent.h' and one to simply `dependent.h:'. 246 sed "s,^[^:]*:,$object :," < "$tmpdepfile" > "$depfile" 247 # Some versions of the HPUX 10.20 sed can't process this invocation 248 # correctly. Breaking it into two sed invocations is a workaround. 249 sed 's,^[^:]*: \(.*\)$,\1,;s/^\\$//;/^$/d;/:$/d' < "$tmpdepfile" | 250 sed -e 's/$/ :/' >> "$depfile" 251 rm -f "$tmpdepfile" 252 ;; 253 254 tru64) 255 # The Tru64 compiler uses -MD to generate dependencies as a side 256 # effect. `cc -MD -o foo.o ...' puts the dependencies into `foo.o.d'. 257 # At least on Alpha/Redhat 6.1, Compaq CCC V6.2-504 seems to put 258 # dependencies in `foo.d' instead, so we check for that too. 259 # Subdirectories are respected. 260 dir=`echo "$object" | sed -e 's|/[^/]*$|/|'` 261 test "x$dir" = "x$object" && dir= 262 base=`echo "$object" | sed -e 's|^.*/||' -e 's/\.o$//' -e 's/\.lo$//'` 263 264 if test "$libtool" = yes; then 265 tmpdepfile1="$dir.libs/$base.lo.d" 266 tmpdepfile2="$dir.libs/$base.d" 267 "$@" -Wc,-MD 268 else 269 tmpdepfile1="$dir$base.o.d" 270 tmpdepfile2="$dir$base.d" 271 "$@" -MD 272 fi 273 274 stat=$? 275 if test $stat -eq 0; then : 276 else 277 rm -f "$tmpdepfile1" "$tmpdepfile2" 278 exit $stat 279 fi 280 281 if test -f "$tmpdepfile1"; then 282 tmpdepfile="$tmpdepfile1" 283 else 284 tmpdepfile="$tmpdepfile2" 285 fi 286 if test -f "$tmpdepfile"; then 287 sed -e "s,^.*\.[a-z]*:,$object:," < "$tmpdepfile" > "$depfile" 288 # That's a tab and a space in the []. 289 sed -e 's,^.*\.[a-z]*:[ ]*,,' -e 's,$,:,' < "$tmpdepfile" >> "$depfile" 290 else 291 echo "#dummy" > "$depfile" 292 fi 293 rm -f "$tmpdepfile" 294 ;; 295 296 #nosideeffect) 297 # This comment above is used by automake to tell side-effect 298 # dependency tracking mechanisms from slower ones. 299 300 dashmstdout) 301 # Important note: in order to support this mode, a compiler *must* 302 # always write the preprocessed file to stdout, regardless of -o. 303 "$@" || exit $? 304 305 # Remove the call to Libtool. 306 if test "$libtool" = yes; then 307 while test $1 != '--mode=compile'; do 308 shift 309 done 310 shift 311 fi 312 313 # Remove `-o $object'. 314 IFS=" " 315 for arg 316 do 317 case $arg in 318 -o) 319 shift 320 ;; 321 $object) 322 shift 323 ;; 324 *) 325 set fnord "$@" "$arg" 326 shift # fnord 327 shift # $arg 328 ;; 329 esac 330 done 331 332 test -z "$dashmflag" && dashmflag=-M 333 # Require at least two characters before searching for `:' 334 # in the target name. This is to cope with DOS-style filenames: 335 # a dependency such as `c:/foo/bar' could be seen as target `c' otherwise. 336 "$@" $dashmflag | 337 sed 's:^[ ]*[^: ][^:][^:]*\:[ ]*:'"$object"'\: :' > "$tmpdepfile" 338 rm -f "$depfile" 339 cat < "$tmpdepfile" > "$depfile" 340 tr ' ' ' 341 ' < "$tmpdepfile" | \ 342 ## Some versions of the HPUX 10.20 sed can't process this invocation 343 ## correctly. Breaking it into two sed invocations is a workaround. 344 sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile" 345 rm -f "$tmpdepfile" 346 ;; 347 348 dashXmstdout) 349 # This case only exists to satisfy depend.m4. It is never actually 350 # run, as this mode is specially recognized in the preamble. 351 exit 1 352 ;; 353 354 makedepend) 355 "$@" || exit $? 356 # Remove any Libtool call 357 if test "$libtool" = yes; then 358 while test $1 != '--mode=compile'; do 359 shift 360 done 361 shift 362 fi 363 # X makedepend 364 shift 365 cleared=no 366 for arg in "$@"; do 367 case $cleared in 368 no) 369 set ""; shift 370 cleared=yes ;; 371 esac 372 case "$arg" in 373 -D*|-I*) 374 set fnord "$@" "$arg"; shift ;; 375 # Strip any option that makedepend may not understand. Remove 376 # the object too, otherwise makedepend will parse it as a source file. 377 -*|$object) 378 ;; 379 *) 380 set fnord "$@" "$arg"; shift ;; 381 esac 382 done 383 obj_suffix="`echo $object | sed 's/^.*\././'`" 384 touch "$tmpdepfile" 385 ${MAKEDEPEND-makedepend} -o"$obj_suffix" -f"$tmpdepfile" "$@" 386 rm -f "$depfile" 387 cat < "$tmpdepfile" > "$depfile" 388 sed '1,2d' "$tmpdepfile" | tr ' ' ' 389 ' | \ 390 ## Some versions of the HPUX 10.20 sed can't process this invocation 391 ## correctly. Breaking it into two sed invocations is a workaround. 392 sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile" 393 rm -f "$tmpdepfile" "$tmpdepfile".bak 394 ;; 395 396 cpp) 397 # Important note: in order to support this mode, a compiler *must* 398 # always write the preprocessed file to stdout. 399 "$@" || exit $? 400 401 # Remove the call to Libtool. 402 if test "$libtool" = yes; then 403 while test $1 != '--mode=compile'; do 404 shift 405 done 406 shift 407 fi 408 409 # Remove `-o $object'. 410 IFS=" " 411 for arg 412 do 413 case $arg in 414 -o) 415 shift 416 ;; 417 $object) 418 shift 419 ;; 420 *) 421 set fnord "$@" "$arg" 422 shift # fnord 423 shift # $arg 424 ;; 425 esac 426 done 427 428 "$@" -E | 429 sed -n '/^# [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' | 430 sed '$ s: \\$::' > "$tmpdepfile" 431 rm -f "$depfile" 432 echo "$object : \\" > "$depfile" 433 cat < "$tmpdepfile" >> "$depfile" 434 sed < "$tmpdepfile" '/^$/d;s/^ //;s/ \\$//;s/$/ :/' >> "$depfile" 435 rm -f "$tmpdepfile" 436 ;; 437 438 msvisualcpp) 439 # Important note: in order to support this mode, a compiler *must* 440 # always write the preprocessed file to stdout, regardless of -o, 441 # because we must use -o when running libtool. 442 "$@" || exit $? 443 IFS=" " 444 for arg 445 do 446 case "$arg" in 447 "-Gm"|"/Gm"|"-Gi"|"/Gi"|"-ZI"|"/ZI") 448 set fnord "$@" 449 shift 450 shift 451 ;; 452 *) 453 set fnord "$@" "$arg" 454 shift 455 shift 456 ;; 457 esac 458 done 459 "$@" -E | 460 sed -n '/^#line [0-9][0-9]* "\([^"]*\)"/ s::echo "`cygpath -u \\"\1\\"`":p' | sort | uniq > "$tmpdepfile" 461 rm -f "$depfile" 462 echo "$object : \\" > "$depfile" 463 . "$tmpdepfile" | sed 's% %\\ %g' | sed -n '/^\(.*\)$/ s:: \1 \\:p' >> "$depfile" 464 echo " " >> "$depfile" 465 . "$tmpdepfile" | sed 's% %\\ %g' | sed -n '/^\(.*\)$/ s::\1\::p' >> "$depfile" 466 rm -f "$tmpdepfile" 467 ;; 468 469 none) 470 exec "$@" 471 ;; 472 473 *) 474 echo "Unknown depmode $depmode" 1>&2 475 exit 1 476 ;; 477 esac 478 479 exit 0 480
