1#! /bin/sh 2 3# depcomp - compile a program generating dependencies as side-effects 4# Copyright 1999, 2000 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@dcc.unicamp.br>. 27 28if test -z "$depmode" || test -z "$source" || test -z "$object"; then 29 echo "depcomp: Variables source, object and depmode must be set" 1>&2 30 exit 1 31fi 32# `libtool' can also be set to `yes' or `no'. 33 34if test -z "$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/$base" 42fi 43 44tmpdepfile=${tmpdepfile-`echo "$depfile" | sed 's/\.\([^.]*\)$/.T\1/'`} 45 46rm -f "$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. 52if test "$depmode" = hp; then 53 # HP compiler uses -M and no extra arg. 54 gccflag=-M 55 depmode=gcc 56fi 57 58if test "$depmode" = dashXmstdout; then 59 # This is just like dashmstdout with a different argument. 60 dashmflag=-xM 61 depmode=dashmstdout 62fi 63 64case "$depmode" in 65gcc3) 66## gcc 3 implements dependency tracking that does exactly what 67## we want. Yay! Note: for some reason libtool 1.4 doesn't like 68## it if -MD -MP comes after the -MF stuff. Hmm. 69 "$@" -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" "$depfile" 77 ;; 78 79gcc) 80## There are various ways to get dependency output from gcc. Here's 81## why we pick this rather obscure method: 82## - Don't want to use -MD because we'd like the dependencies to end 83## up in a subdir. Having to rename by hand is ugly. 84## (We might end up doing this anyway to support other compilers.) 85## - The DEPENDENCIES_OUTPUT environment variable makes gcc act like 86## -MM, not -M (despite what the docs say). 87## - Using -M directly means running the compiler twice (even worse 88## than renaming). 89 if test -z "$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 "$tmpdepfile" 120 ;; 121 122hp) 123 # This case exists only to let depend.m4 do its work. It works by 124 # looking at the text of this script. This case will never be run, 125 # since it is checked for above. 126 exit 1 127 ;; 128 129sgi) 130 if test "$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 "$tmpdepfile" 171 ;; 172 173aix) 174 # The C for AIX Compiler uses -M and outputs the dependencies 175 # in a .u file. This file always lives in the current directory. 176 # Also, the AIX compiler puts `$object:' at the start of each line; 177 # $object doesn't have directory information. 178 stripped=`echo "$object" | sed -e 's,^.*/,,' -e 's/\(.*\)\..*$/\1/'` 179 tmpdepfile="$stripped.u" 180 outname="$stripped.o" 181 if test "$libtool" = yes; then 182 "$@" -Wc,-M 183 else 184 "$@" -M 185 fi 186 187 stat=$? 188 if test $stat -eq 0; then : 189 else 190 rm -f "$tmpdepfile" 191 exit $stat 192 fi 193 194 if test -f "$tmpdepfile"; then 195 # Each line is of the form `foo.o: dependent.h'. 196 # Do two passes, one to just change these to 197 # `$object: dependent.h' and one to simply `dependent.h:'. 198 sed -e "s,^$outname:,$object :," < "$tmpdepfile" > "$depfile" 199 sed -e "s,^$outname: \(.*\)$,\1:," < "$tmpdepfile" >> "$depfile" 200 else 201 # The sourcefile does not contain any dependencies, so just 202 # store a dummy comment line, to avoid errors with the Makefile 203 # "include basename.Plo" scheme. 204 echo "#dummy" > "$depfile" 205 fi 206 rm -f "$tmpdepfile" 207 ;; 208 209icc) 210 # Must come before tru64. 211 212 # Intel's C compiler understands `-MD -MF file'. However 213 # icc -MD -MF foo.d -c -o sub/foo.o sub/foo.c 214 # will fill foo.d with something like 215 # foo.o: sub/foo.c 216 # foo.o: sub/foo.h 217 # which is wrong. We want: 218 # sub/foo.o: sub/foo.c 219 # sub/foo.o: sub/foo.h 220 # sub/foo.c: 221 # sub/foo.h: 222 223 "$@" -MD -MF "$tmpdepfile" 224 stat=$? 225 if test $stat -eq 0; then : 226 else 227 rm -f "$tmpdepfile" 228 exit $stat 229 fi 230 rm -f "$depfile" 231 # Each line is of the form `foo.o: dependent.h'. 232 # Do two passes, one to just change these to 233 # `$object: dependent.h' and one to simply `dependent.h:'. 234 sed -e "s,^[^:]*:,$object :," < "$tmpdepfile" > "$depfile" 235 sed -e "s,^[^:]*: \(.*\)$,\1:," < "$tmpdepfile" >> "$depfile" 236 rm -f "$tmpdepfile" 237 ;; 238 239tru64) 240 # The Tru64 compiler uses -MD to generate dependencies as a side 241 # effect. `cc -MD -o foo.o ...' puts the dependencies into `foo.o.d'. 242 # At least on Alpha/Redhat 6.1, Compaq CCC V6.2-504 seems to put 243 # dependencies in `foo.d' instead, so we check for that too. 244 # Subdirectories are respected. 245 dir=`echo "$object" | sed -e 's|/[^/]*$|/|'` 246 test "x$dir" = "x$object" && dir= 247 base=`echo "$object" | sed -e 's|^.*/||' -e 's/\.o$//' -e 's/\.lo$//'` 248 249 if test "$libtool" = yes; then 250 tmpdepfile1="$dir.libs/$base.lo.d" 251 tmpdepfile2="$dir.libs/$base.d" 252 "$@" -Wc,-MD 253 else 254 tmpdepfile1="$dir$base.o.d" 255 tmpdepfile2="$dir$base.d" 256 "$@" -MD 257 fi 258 259 stat=$? 260 if test $stat -eq 0; then : 261 else 262 rm -f "$tmpdepfile1" "$tmpdepfile2" 263 exit $stat 264 fi 265 266 if test -f "$tmpdepfile1"; then 267 tmpdepfile="$tmpdepfile1" 268 else 269 tmpdepfile="$tmpdepfile2" 270 fi 271 if test -f "$tmpdepfile"; then 272 sed -e "s,^.*\.[a-z]*:,$object:," < "$tmpdepfile" > "$depfile" 273 # That's a space and a tab in the []. 274 sed -e 's,^.*\.[a-z]*:[ ]*,,' -e 's,$,:,' < "$tmpdepfile" >> "$depfile" 275 else 276 echo "#dummy" > "$depfile" 277 fi 278 rm -f "$tmpdepfile" 279 ;; 280 281#nosideeffect) 282 # This comment above is used by automake to tell side-effect 283 # dependency tracking mechanisms from slower ones. 284 285dashmstdout) 286 # Important note: in order to support this mode, a compiler *must* 287 # always write the proprocessed file to stdout, regardless of -o. 288 "$@" || exit $? 289 290 # Remove the call to Libtool. 291 if test "$libtool" = yes; then 292 while test $1 != '--mode=compile'; do 293 shift 294 done 295 shift 296 fi 297 298 # Remove `-o $object'. 299 IFS=" " 300 for arg 301 do 302 case $arg in 303 -o) 304 shift 305 ;; 306 $object) 307 shift 308 ;; 309 *) 310 set fnord "$@" "$arg" 311 shift # fnord 312 shift # $arg 313 ;; 314 esac 315 done 316 317 test -z "$dashmflag" && dashmflag=-M 318 # Require at least two characters before searching for `:' 319 # in the target name. This is to cope with DOS-style filenames: 320 # a dependency such as `c:/foo/bar' could be seen as target `c' otherwise. 321 "$@" $dashmflag | 322 sed 's:^[ ]*[^: ][^:][^:]*\:[ ]*:'"$object"'\: :' > "$tmpdepfile" 323 rm -f "$depfile" 324 cat < "$tmpdepfile" > "$depfile" 325 tr ' ' ' 326' < "$tmpdepfile" | \ 327## Some versions of the HPUX 10.20 sed can't process this invocation 328## correctly. Breaking it into two sed invocations is a workaround. 329 sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile" 330 rm -f "$tmpdepfile" 331 ;; 332 333dashXmstdout) 334 # This case only exists to satisfy depend.m4. It is never actually 335 # run, as this mode is specially recognized in the preamble. 336 exit 1 337 ;; 338 339makedepend) 340 "$@" || exit $? 341 # Remove any Libtool call 342 if test "$libtool" = yes; then 343 while test $1 != '--mode=compile'; do 344 shift 345 done 346 shift 347 fi 348 # X makedepend 349 shift 350 cleared=no 351 for arg in "$@"; do 352 case $cleared in 353 no) 354 set ""; shift 355 cleared=yes ;; 356 esac 357 case "$arg" in 358 -D*|-I*) 359 set fnord "$@" "$arg"; shift ;; 360 # Strip any option that makedepend may not understand. Remove 361 # the object too, otherwise makedepend will parse it as a source file. 362 -*|$object) 363 ;; 364 *) 365 set fnord "$@" "$arg"; shift ;; 366 esac 367 done 368 obj_suffix="`echo $object | sed 's/^.*\././'`" 369 touch "$tmpdepfile" 370 ${MAKEDEPEND-makedepend} -o"$obj_suffix" -f"$tmpdepfile" "$@" 371 rm -f "$depfile" 372 cat < "$tmpdepfile" > "$depfile" 373 sed '1,2d' "$tmpdepfile" | tr ' ' ' 374' | \ 375## Some versions of the HPUX 10.20 sed can't process this invocation 376## correctly. Breaking it into two sed invocations is a workaround. 377 sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile" 378 rm -f "$tmpdepfile" "$tmpdepfile".bak 379 ;; 380 381cpp) 382 # Important note: in order to support this mode, a compiler *must* 383 # always write the proprocessed file to stdout. 384 "$@" || exit $? 385 386 # Remove the call to Libtool. 387 if test "$libtool" = yes; then 388 while test $1 != '--mode=compile'; do 389 shift 390 done 391 shift 392 fi 393 394 # Remove `-o $object'. 395 IFS=" " 396 for arg 397 do 398 case $arg in 399 -o) 400 shift 401 ;; 402 $object) 403 shift 404 ;; 405 *) 406 set fnord "$@" "$arg" 407 shift # fnord 408 shift # $arg 409 ;; 410 esac 411 done 412 413 "$@" -E | 414 sed -n '/^# [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' | 415 sed '$ s: \\$::' > "$tmpdepfile" 416 rm -f "$depfile" 417 echo "$object : \\" > "$depfile" 418 cat < "$tmpdepfile" >> "$depfile" 419 sed < "$tmpdepfile" '/^$/d;s/^ //;s/ \\$//;s/$/ :/' >> "$depfile" 420 rm -f "$tmpdepfile" 421 ;; 422 423msvisualcpp) 424 # Important note: in order to support this mode, a compiler *must* 425 # always write the proprocessed file to stdout, regardless of -o, 426 # because we must use -o when running libtool. 427 "$@" || exit $? 428 IFS=" " 429 for arg 430 do 431 case "$arg" in 432 "-Gm"|"/Gm"|"-Gi"|"/Gi"|"-ZI"|"/ZI") 433 set fnord "$@" 434 shift 435 shift 436 ;; 437 *) 438 set fnord "$@" "$arg" 439 shift 440 shift 441 ;; 442 esac 443 done 444 "$@" -E | 445 sed -n '/^#line [0-9][0-9]* "\([^"]*\)"/ s::echo "`cygpath -u \\"\1\\"`":p' | sort | uniq > "$tmpdepfile" 446 rm -f "$depfile" 447 echo "$object : \\" > "$depfile" 448 . "$tmpdepfile" | sed 's% %\\ %g' | sed -n '/^\(.*\)$/ s:: \1 \\:p' >> "$depfile" 449 echo " " >> "$depfile" 450 . "$tmpdepfile" | sed 's% %\\ %g' | sed -n '/^\(.*\)$/ s::\1\::p' >> "$depfile" 451 rm -f "$tmpdepfile" 452 ;; 453 454none) 455 exec "$@" 456 ;; 457 458*) 459 echo "Unknown depmode $depmode" 1>&2 460 exit 1 461 ;; 462esac 463 464exit 0 465