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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 "$tmpdepfile" 207 ;; 208 209 tru64) 210 # The Tru64 compiler uses -MD to generate dependencies as a side 211 # effect. `cc -MD -o foo.o ...' puts the dependencies into `foo.o.d'. 212 # At least on Alpha/Redhat 6.1, Compaq CCC V6.2-504 seems to put 213 # dependencies in `foo.d' instead, so we check for that too. 214 # Subdirectories are respected. 215 dir=`echo "$object" | sed -e 's|/[^/]*$|/|'` 216 test "x$dir" = "x$object" && dir= 217 base=`echo "$object" | sed -e 's|^.*/||' -e 's/\.o$//' -e 's/\.lo$//'` 218 219 if test "$libtool" = yes; then 220 tmpdepfile1="$dir.libs/$base.lo.d" 221 tmpdepfile2="$dir.libs/$base.d" 222 "$@" -Wc,-MD 223 else 224 tmpdepfile1="$dir$base.o.d" 225 tmpdepfile2="$dir$base.d" 226 "$@" -MD 227 fi 228 229 stat=$? 230 if test $stat -eq 0; then : 231 else 232 rm -f "$tmpdepfile1" "$tmpdepfile2" 233 exit $stat 234 fi 235 236 if test -f "$tmpdepfile1"; then 237 tmpdepfile="$tmpdepfile1" 238 else 239 tmpdepfile="$tmpdepfile2" 240 fi 241 if test -f "$tmpdepfile"; then 242 sed -e "s,^.*\.[a-z]*:,$object:," < "$tmpdepfile" > "$depfile" 243 # That's a space and a tab in the []. 244 sed -e 's,^.*\.[a-z]*:[ ]*,,' -e 's,$,:,' < "$tmpdepfile" >> "$depfile" 245 else 246 echo "#dummy" > "$depfile" 247 fi 248 rm -f "$tmpdepfile" 249 ;; 250 251 #nosideeffect) 252 # This comment above is used by automake to tell side-effect 253 # dependency tracking mechanisms from slower ones. 254 255 dashmstdout) 256 # Important note: in order to support this mode, a compiler *must* 257 # always write the proprocessed file to stdout, regardless of -o. 258 "$@" || exit $? 259 260 # Remove the call to Libtool. 261 if test "$libtool" = yes; then 262 while test $1 != '--mode=compile'; do 263 shift 264 done 265 shift 266 fi 267 268 # Remove `-o $object'. We will use -o /dev/null later, 269 # however we can't do the remplacement now because 270 # `-o $object' might simply not be used 271 IFS=" " 272 for arg 273 do 274 case $arg in 275 -o) 276 shift 277 ;; 278 $object) 279 shift 280 ;; 281 *) 282 set fnord "$@" "$arg" 283 shift # fnord 284 shift # $arg 285 ;; 286 esac 287 done 288 289 test -z "$dashmflag" && dashmflag=-M 290 "$@" -o /dev/null $dashmflag | sed 's:^[^:]*\:[ ]*:'"$object"'\: :' > "$tmpdepfile" 291 rm -f "$depfile" 292 cat < "$tmpdepfile" > "$depfile" 293 tr ' ' ' 294 ' < "$tmpdepfile" | \ 295 ## Some versions of the HPUX 10.20 sed can't process this invocation 296 ## correctly. Breaking it into two sed invocations is a workaround. 297 sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile" 298 rm -f "$tmpdepfile" 299 ;; 300 301 dashXmstdout) 302 # This case only exists to satisfy depend.m4. It is never actually 303 # run, as this mode is specially recognized in the preamble. 304 exit 1 305 ;; 306 307 makedepend) 308 "$@" || exit $? 309 # X makedepend 310 shift 311 cleared=no 312 for arg in "$@"; do 313 case $cleared in 314 no) 315 set ""; shift 316 cleared=yes ;; 317 esac 318 case "$arg" in 319 -D*|-I*) 320 set fnord "$@" "$arg"; shift ;; 321 -*) 322 ;; 323 *) 324 set fnord "$@" "$arg"; shift ;; 325 esac 326 done 327 obj_suffix="`echo $object | sed 's/^.*\././'`" 328 touch "$tmpdepfile" 329 ${MAKEDEPEND-makedepend} -o"$obj_suffix" -f"$tmpdepfile" "$@" 330 rm -f "$depfile" 331 cat < "$tmpdepfile" > "$depfile" 332 sed '1,2d' "$tmpdepfile" | tr ' ' ' 333 ' | \ 334 ## Some versions of the HPUX 10.20 sed can't process this invocation 335 ## correctly. Breaking it into two sed invocations is a workaround. 336 sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile" 337 rm -f "$tmpdepfile" "$tmpdepfile".bak 338 ;; 339 340 cpp) 341 # Important note: in order to support this mode, a compiler *must* 342 # always write the proprocessed file to stdout. 343 "$@" || exit $? 344 345 # Remove the call to Libtool. 346 if test "$libtool" = yes; then 347 while test $1 != '--mode=compile'; do 348 shift 349 done 350 shift 351 fi 352 353 # Remove `-o $object'. 354 IFS=" " 355 for arg 356 do 357 case $arg in 358 -o) 359 shift 360 ;; 361 $object) 362 shift 363 ;; 364 *) 365 set fnord "$@" "$arg" 366 shift # fnord 367 shift # $arg 368 ;; 369 esac 370 done 371 372 "$@" -E | 373 sed -n '/^# [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' | 374 sed '$ s: \\$::' > "$tmpdepfile" 375 rm -f "$depfile" 376 echo "$object : \\" > "$depfile" 377 cat < "$tmpdepfile" >> "$depfile" 378 sed < "$tmpdepfile" '/^$/d;s/^ //;s/ \\$//;s/$/ :/' >> "$depfile" 379 rm -f "$tmpdepfile" 380 ;; 381 382 msvisualcpp) 383 # Important note: in order to support this mode, a compiler *must* 384 # always write the proprocessed file to stdout, regardless of -o, 385 # because we must use -o when running libtool. 386 "$@" || exit $? 387 IFS=" " 388 for arg 389 do 390 case "$arg" in 391 "-Gm"|"/Gm"|"-Gi"|"/Gi"|"-ZI"|"/ZI") 392 set fnord "$@" 393 shift 394 shift 395 ;; 396 *) 397 set fnord "$@" "$arg" 398 shift 399 shift 400 ;; 401 esac 402 done 403 "$@" -E | 404 sed -n '/^#line [0-9][0-9]* "\([^"]*\)"/ s::echo "`cygpath -u \\"\1\\"`":p' | sort | uniq > "$tmpdepfile" 405 rm -f "$depfile" 406 echo "$object : \\" > "$depfile" 407 . "$tmpdepfile" | sed 's% %\\ %g' | sed -n '/^\(.*\)$/ s:: \1 \\:p' >> "$depfile" 408 echo " " >> "$depfile" 409 . "$tmpdepfile" | sed 's% %\\ %g' | sed -n '/^\(.*\)$/ s::\1\::p' >> "$depfile" 410 rm -f "$tmpdepfile" 411 ;; 412 413 none) 414 exec "$@" 415 ;; 416 417 *) 418 echo "Unknown depmode $depmode" 1>&2 419 exit 1 420 ;; 421 esac 422 423 exit 0
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