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[1.6]001 #! /bin/sh 002 003 # depcomp - compile a program generating dependencies as side-effects 004 # Copyright 1999, 2000 Free Software Foundation, Inc. 005 006 # This program is free software; you can redistribute it and/or modify 007 # it under the terms of the GNU General Public License as published by 008 # the Free Software Foundation; either version 2, or (at your option) 009 # any later version. 010 011 # This program is distributed in the hope that it will be useful, 012 # but WITHOUT ANY WARRANTY; without even the implied warranty of 013 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 014 # GNU General Public License for more details. 015 016 # You should have received a copy of the GNU General Public License 017 # along with this program; if not, write to the Free Software 018 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 019 # 02111-1307, USA. 020 021 # As a special exception to the GNU General Public License, if you 022 # distribute this file as part of a program that contains a 023 # configuration script generated by Autoconf, you may include it under 024 # the same distribution terms that you use for the rest of that program. 025 026 # Originally written by Alexandre Oliva <oliva@dcc.unicamp.br>. 027 028 if test -z "$depmode" || test -z "$source" || test -z "$object"; then 029 echo "depcomp: Variables source, object and depmode must be set" 1>&2 030 exit 1 031 fi 032 # `libtool' can also be set to `yes' or `no'. 033 034 if test -z "$depfile"; then 035 base=`echo "$object" | sed -e 's,^.*/,,' -e 's,\.\([^.]*\)$,.P\1,'` 036 dir=`echo "$object" | sed 's,/.*$,/,'` 037 if test "$dir" = "$object"; then 038 dir= 039 fi 040 # FIXME: should be _deps on DOS. 041 depfile="$dir.deps/$base" 042 fi 043 044 tmpdepfile=${tmpdepfile-`echo "$depfile" | sed 's/\.\([^.]*\)$/.T\1/'`} 045 046 rm -f "$tmpdepfile" 047 048 # Some modes work just like other modes, but use different flags. We 049 # parameterize here, but still list the modes in the big case below, 050 # to make depend.m4 easier to write. Note that we *cannot* use a case 051 # here, because this file can only contain one case statement. 052 if test "$depmode" = hp; then 053 # HP compiler uses -M and no extra arg. 054 gccflag=-M 055 depmode=gcc 056 fi 057 058 if test "$depmode" = dashXmstdout; then 059 # This is just like dashmstdout with a different argument. 060 dashmflag=-xM 061 depmode=dashmstdout 062 fi 063 064 case "$depmode" in 065 gcc3) 066 ## gcc 3 implements dependency tracking that does exactly what 067 ## we want. Yay! Note: for some reason libtool 1.4 doesn't like 068 ## it if -MD -MP comes after the -MF stuff. Hmm. 069 "$@" -MT "$object" -MD -MP -MF "$tmpdepfile" 070 stat=$? 071 if test $stat -eq 0; then : 072 else 073 rm -f "$tmpdepfile" 074 exit $stat 075 fi 076 mv "$tmpdepfile" "$depfile" 077 ;; 078 079 gcc) 080 ## There are various ways to get dependency output from gcc. Here's 081 ## why we pick this rather obscure method: 082 ## - Don't want to use -MD because we'd like the dependencies to end 083 ## up in a subdir. Having to rename by hand is ugly. 084 ## (We might end up doing this anyway to support other compilers.) 085 ## - The DEPENDENCIES_OUTPUT environment variable makes gcc act like 086 ## -MM, not -M (despite what the docs say). 087 ## - Using -M directly means running the compiler twice (even worse 088 ## than renaming). 089 if test -z "$gccflag"; then 090 gccflag=-MD, 091 fi 092 "$@" -Wp,"$gccflag$tmpdepfile" 093 stat=$? 094 if test $stat -eq 0; then : 095 else 096 rm -f "$tmpdepfile" 097 exit $stat 098 fi 099 rm -f "$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 "$tmpdepfile" 171 ;; 172 173 aix) 174 # The C for AIX Compiler uses -M and outputs the dependencies 175 # in a .u file. This file always lives in the current directory. 176 # Also, the AIX compiler puts `$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 "$tmpdepfile" 207 ;; 208 209 icc) 210 # Intel's C compiler understands `-MD -MF file'. However on 211 # icc -MD -MF foo.d -c -o sub/foo.o sub/foo.c 212 # ICC 7.0 will fill foo.d with something like 213 # foo.o: sub/foo.c 214 # foo.o: sub/foo.h 215 # which is wrong. We want: 216 # sub/foo.o: sub/foo.c 217 # sub/foo.o: sub/foo.h 218 # sub/foo.c: 219 # sub/foo.h: 220 # ICC 7.1 will output 221 # foo.o: sub/foo.c sub/foo.h 222 # and will wrap long lines using \ : 223 # foo.o: sub/foo.c ... \ 224 # sub/foo.h ... \ 225 # ... 226 227 "$@" -MD -MF "$tmpdepfile" 228 stat=$? 229 if test $stat -eq 0; then : 230 else 231 rm -f "$tmpdepfile" 232 exit $stat 233 fi 234 rm -f "$depfile" 235 # Each line is of the form `foo.o: dependent.h', 236 # or `foo.o: dep1.h dep2.h \', or ` dep3.h dep4.h \'. 237 # Do two passes, one to just change these to 238 # `$object: dependent.h' and one to simply `dependent.h:'. 239 sed "s,^[^:]*:,$object :," < "$tmpdepfile" > "$depfile" 240 # Some versions of the HPUX 10.20 sed can't process this invocation 241 # correctly. Breaking it into two sed invocations is a workaround. 242 sed 's,^[^:]*: \(.*\)$,\1,;s/^\\$//;/^$/d;/:$/d' < "$tmpdepfile" | 243 sed -e 's/$/ :/' >> "$depfile" 244 rm -f "$tmpdepfile" 245 ;; 246 247 tru64) 248 # The Tru64 compiler uses -MD to generate dependencies as a side 249 # effect. `cc -MD -o foo.o ...' puts the dependencies into `foo.o.d'. 250 # At least on Alpha/Redhat 6.1, Compaq CCC V6.2-504 seems to put 251 # dependencies in `foo.d' instead, so we check for that too. 252 # Subdirectories are respected. 253 dir=`echo "$object" | sed -e 's|/[^/]*$|/|'` 254 test "x$dir" = "x$object" && dir= 255 base=`echo "$object" | sed -e 's|^.*/||' -e 's/\.o$//' -e 's/\.lo$//'` 256 257 if test "$libtool" = yes; then 258 tmpdepfile1="$dir.libs/$base.lo.d" 259 tmpdepfile2="$dir.libs/$base.d" 260 "$@" -Wc,-MD 261 else 262 tmpdepfile1="$dir$base.o.d" 263 tmpdepfile2="$dir$base.d" 264 "$@" -MD 265 fi 266 267 stat=$? 268 if test $stat -eq 0; then : 269 else 270 rm -f "$tmpdepfile1" "$tmpdepfile2" 271 exit $stat 272 fi 273 274 if test -f "$tmpdepfile1"; then 275 tmpdepfile="$tmpdepfile1" 276 else 277 tmpdepfile="$tmpdepfile2" 278 fi 279 if test -f "$tmpdepfile"; then 280 sed -e "s,^.*\.[a-z]*:,$object:," < "$tmpdepfile" > "$depfile" 281 # That's a space and a tab in the []. 282 sed -e 's,^.*\.[a-z]*:[ ]*,,' -e 's,$,:,' < "$tmpdepfile" >> "$depfile" 283 else 284 echo "#dummy" > "$depfile" 285 fi 286 rm -f "$tmpdepfile" 287 ;; 288 289 #nosideeffect) 290 # This comment above is used by automake to tell side-effect 291 # dependency tracking mechanisms from slower ones. 292 293 dashmstdout) 294 # Important note: in order to support this mode, a compiler *must* 295 # always write the proprocessed file to stdout, regardless of -o. 296 "$@" || exit $? 297 298 # Remove the call to Libtool. 299 if test "$libtool" = yes; then 300 while test $1 != '--mode=compile'; do 301 shift 302 done 303 shift 304 fi 305 306 # Remove `-o $object'. 307 IFS=" " 308 for arg 309 do 310 case $arg in 311 -o) 312 shift 313 ;; 314 $object) 315 shift 316 ;; 317 *) 318 set fnord "$@" "$arg" 319 shift # fnord 320 shift # $arg 321 ;; 322 esac 323 done 324 325 test -z "$dashmflag" && dashmflag=-M 326 # Require at least two characters before searching for `:' 327 # in the target name. This is to cope with DOS-style filenames: 328 # a dependency such as `c:/foo/bar' could be seen as target `c' otherwise. 329 "$@" $dashmflag | 330 sed 's:^[ ]*[^: ][^:][^:]*\:[ ]*:'"$object"'\: :' > "$tmpdepfile" 331 rm -f "$depfile" 332 cat < "$tmpdepfile" > "$depfile" 333 tr ' ' ' 334 ' < "$tmpdepfile" | \ 335 ## Some versions of the HPUX 10.20 sed can't process this invocation 336 ## correctly. Breaking it into two sed invocations is a workaround. 337 sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile" 338 rm -f "$tmpdepfile" 339 ;; 340 341 dashXmstdout) 342 # This case only exists to satisfy depend.m4. It is never actually 343 # run, as this mode is specially recognized in the preamble. 344 exit 1 345 ;; 346 347 makedepend) 348 "$@" || exit $? 349 # Remove any Libtool call 350 if test "$libtool" = yes; then 351 while test $1 != '--mode=compile'; do 352 shift 353 done 354 shift 355 fi 356 # X makedepend 357 shift 358 cleared=no 359 for arg in "$@"; do 360 case $cleared in 361 no) 362 set ""; shift 363 cleared=yes ;; 364 esac 365 case "$arg" in 366 -D*|-I*) 367 set fnord "$@" "$arg"; shift ;; 368 # Strip any option that makedepend may not understand. Remove 369 # the object too, otherwise makedepend will parse it as a source file. 370 -*|$object) 371 ;; 372 *) 373 set fnord "$@" "$arg"; shift ;; 374 esac 375 done 376 obj_suffix="`echo $object | sed 's/^.*\././'`" 377 touch "$tmpdepfile" 378 ${MAKEDEPEND-makedepend} -o"$obj_suffix" -f"$tmpdepfile" "$@" 379 rm -f "$depfile" 380 cat < "$tmpdepfile" > "$depfile" 381 sed '1,2d' "$tmpdepfile" | tr ' ' ' 382 ' | \ 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 "$tmpdepfile" "$tmpdepfile".bak 387 ;; 388 389 cpp) 390 # Important note: in order to support this mode, a compiler *must* 391 # always write the proprocessed file to stdout. 392 "$@" || exit $? 393 394 # Remove the call to Libtool. 395 if test "$libtool" = yes; then 396 while test $1 != '--mode=compile'; do 397 shift 398 done 399 shift 400 fi 401 402 # Remove `-o $object'. 403 IFS=" " 404 for arg 405 do 406 case $arg in 407 -o) 408 shift 409 ;; 410 $object) 411 shift 412 ;; 413 *) 414 set fnord "$@" "$arg" 415 shift # fnord 416 shift # $arg 417 ;; 418 esac 419 done 420 421 "$@" -E | 422 sed -n '/^# [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' | 423 sed '$ s: \\$::' > "$tmpdepfile" 424 rm -f "$depfile" 425 echo "$object : \\" > "$depfile" 426 cat < "$tmpdepfile" >> "$depfile" 427 sed < "$tmpdepfile" '/^$/d;s/^ //;s/ \\$//;s/$/ :/' >> "$depfile" 428 rm -f "$tmpdepfile" 429 ;; 430 431 msvisualcpp) 432 # Important note: in order to support this mode, a compiler *must* 433 # always write the proprocessed file to stdout, regardless of -o, 434 # because we must use -o when running libtool. 435 "$@" || exit $? 436 IFS=" " 437 for arg 438 do 439 case "$arg" in 440 "-Gm"|"/Gm"|"-Gi"|"/Gi"|"-ZI"|"/ZI") 441 set fnord "$@" 442 shift 443 shift 444 ;; 445 *) 446 set fnord "$@" "$arg" 447 shift 448 shift 449 ;; 450 esac 451 done 452 "$@" -E | 453 sed -n '/^#line [0-9][0-9]* "\([^"]*\)"/ s::echo "`cygpath -u \\"\1\\"`":p' | sort | uniq > "$tmpdepfile" 454 rm -f "$depfile" 455 echo "$object : \\" > "$depfile" 456 . "$tmpdepfile" | sed 's% %\\ %g' | sed -n '/^\(.*\)$/ s:: \1 \\:p' >> "$depfile" 457 echo " " >> "$depfile" 458 . "$tmpdepfile" | sed 's% %\\ %g' | sed -n '/^\(.*\)$/ s::\1\::p' >> "$depfile" 459 rm -f "$tmpdepfile" 460 ;; 461 462 none) 463 exec "$@" 464 ;; 465 466 *) 467 echo "Unknown depmode $depmode" 1>&2 468 exit 1 469 ;; 470 esac 471 472 exit 0
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