depcomp

Wed, 31 May 2017 12:20:04 +0200

author
Mike Becker <universe@uap-core.de>
date
Wed, 31 May 2017 12:20:04 +0200
changeset 48
0d2c13c24fd0
permissions
-rwxr-xr-x

adds remaining autoconf files

universe@48 1 #! /bin/sh
universe@48 2 # depcomp - compile a program generating dependencies as side-effects
universe@48 3
universe@48 4 scriptversion=2013-05-30.07; # UTC
universe@48 5
universe@48 6 # Copyright (C) 1999-2013 Free Software Foundation, Inc.
universe@48 7
universe@48 8 # This program is free software; you can redistribute it and/or modify
universe@48 9 # it under the terms of the GNU General Public License as published by
universe@48 10 # the Free Software Foundation; either version 2, or (at your option)
universe@48 11 # any later version.
universe@48 12
universe@48 13 # This program is distributed in the hope that it will be useful,
universe@48 14 # but WITHOUT ANY WARRANTY; without even the implied warranty of
universe@48 15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
universe@48 16 # GNU General Public License for more details.
universe@48 17
universe@48 18 # You should have received a copy of the GNU General Public License
universe@48 19 # along with this program. If not, see <http://www.gnu.org/licenses/>.
universe@48 20
universe@48 21 # As a special exception to the GNU General Public License, if you
universe@48 22 # distribute this file as part of a program that contains a
universe@48 23 # configuration script generated by Autoconf, you may include it under
universe@48 24 # the same distribution terms that you use for the rest of that program.
universe@48 25
universe@48 26 # Originally written by Alexandre Oliva <oliva@dcc.unicamp.br>.
universe@48 27
universe@48 28 case $1 in
universe@48 29 '')
universe@48 30 echo "$0: No command. Try '$0 --help' for more information." 1>&2
universe@48 31 exit 1;
universe@48 32 ;;
universe@48 33 -h | --h*)
universe@48 34 cat <<\EOF
universe@48 35 Usage: depcomp [--help] [--version] PROGRAM [ARGS]
universe@48 36
universe@48 37 Run PROGRAMS ARGS to compile a file, generating dependencies
universe@48 38 as side-effects.
universe@48 39
universe@48 40 Environment variables:
universe@48 41 depmode Dependency tracking mode.
universe@48 42 source Source file read by 'PROGRAMS ARGS'.
universe@48 43 object Object file output by 'PROGRAMS ARGS'.
universe@48 44 DEPDIR directory where to store dependencies.
universe@48 45 depfile Dependency file to output.
universe@48 46 tmpdepfile Temporary file to use when outputting dependencies.
universe@48 47 libtool Whether libtool is used (yes/no).
universe@48 48
universe@48 49 Report bugs to <bug-automake@gnu.org>.
universe@48 50 EOF
universe@48 51 exit $?
universe@48 52 ;;
universe@48 53 -v | --v*)
universe@48 54 echo "depcomp $scriptversion"
universe@48 55 exit $?
universe@48 56 ;;
universe@48 57 esac
universe@48 58
universe@48 59 # Get the directory component of the given path, and save it in the
universe@48 60 # global variables '$dir'. Note that this directory component will
universe@48 61 # be either empty or ending with a '/' character. This is deliberate.
universe@48 62 set_dir_from ()
universe@48 63 {
universe@48 64 case $1 in
universe@48 65 */*) dir=`echo "$1" | sed -e 's|/[^/]*$|/|'`;;
universe@48 66 *) dir=;;
universe@48 67 esac
universe@48 68 }
universe@48 69
universe@48 70 # Get the suffix-stripped basename of the given path, and save it the
universe@48 71 # global variable '$base'.
universe@48 72 set_base_from ()
universe@48 73 {
universe@48 74 base=`echo "$1" | sed -e 's|^.*/||' -e 's/\.[^.]*$//'`
universe@48 75 }
universe@48 76
universe@48 77 # If no dependency file was actually created by the compiler invocation,
universe@48 78 # we still have to create a dummy depfile, to avoid errors with the
universe@48 79 # Makefile "include basename.Plo" scheme.
universe@48 80 make_dummy_depfile ()
universe@48 81 {
universe@48 82 echo "#dummy" > "$depfile"
universe@48 83 }
universe@48 84
universe@48 85 # Factor out some common post-processing of the generated depfile.
universe@48 86 # Requires the auxiliary global variable '$tmpdepfile' to be set.
universe@48 87 aix_post_process_depfile ()
universe@48 88 {
universe@48 89 # If the compiler actually managed to produce a dependency file,
universe@48 90 # post-process it.
universe@48 91 if test -f "$tmpdepfile"; then
universe@48 92 # Each line is of the form 'foo.o: dependency.h'.
universe@48 93 # Do two passes, one to just change these to
universe@48 94 # $object: dependency.h
universe@48 95 # and one to simply output
universe@48 96 # dependency.h:
universe@48 97 # which is needed to avoid the deleted-header problem.
universe@48 98 { sed -e "s,^.*\.[$lower]*:,$object:," < "$tmpdepfile"
universe@48 99 sed -e "s,^.*\.[$lower]*:[$tab ]*,," -e 's,$,:,' < "$tmpdepfile"
universe@48 100 } > "$depfile"
universe@48 101 rm -f "$tmpdepfile"
universe@48 102 else
universe@48 103 make_dummy_depfile
universe@48 104 fi
universe@48 105 }
universe@48 106
universe@48 107 # A tabulation character.
universe@48 108 tab=' '
universe@48 109 # A newline character.
universe@48 110 nl='
universe@48 111 '
universe@48 112 # Character ranges might be problematic outside the C locale.
universe@48 113 # These definitions help.
universe@48 114 upper=ABCDEFGHIJKLMNOPQRSTUVWXYZ
universe@48 115 lower=abcdefghijklmnopqrstuvwxyz
universe@48 116 digits=0123456789
universe@48 117 alpha=${upper}${lower}
universe@48 118
universe@48 119 if test -z "$depmode" || test -z "$source" || test -z "$object"; then
universe@48 120 echo "depcomp: Variables source, object and depmode must be set" 1>&2
universe@48 121 exit 1
universe@48 122 fi
universe@48 123
universe@48 124 # Dependencies for sub/bar.o or sub/bar.obj go into sub/.deps/bar.Po.
universe@48 125 depfile=${depfile-`echo "$object" |
universe@48 126 sed 's|[^\\/]*$|'${DEPDIR-.deps}'/&|;s|\.\([^.]*\)$|.P\1|;s|Pobj$|Po|'`}
universe@48 127 tmpdepfile=${tmpdepfile-`echo "$depfile" | sed 's/\.\([^.]*\)$/.T\1/'`}
universe@48 128
universe@48 129 rm -f "$tmpdepfile"
universe@48 130
universe@48 131 # Avoid interferences from the environment.
universe@48 132 gccflag= dashmflag=
universe@48 133
universe@48 134 # Some modes work just like other modes, but use different flags. We
universe@48 135 # parameterize here, but still list the modes in the big case below,
universe@48 136 # to make depend.m4 easier to write. Note that we *cannot* use a case
universe@48 137 # here, because this file can only contain one case statement.
universe@48 138 if test "$depmode" = hp; then
universe@48 139 # HP compiler uses -M and no extra arg.
universe@48 140 gccflag=-M
universe@48 141 depmode=gcc
universe@48 142 fi
universe@48 143
universe@48 144 if test "$depmode" = dashXmstdout; then
universe@48 145 # This is just like dashmstdout with a different argument.
universe@48 146 dashmflag=-xM
universe@48 147 depmode=dashmstdout
universe@48 148 fi
universe@48 149
universe@48 150 cygpath_u="cygpath -u -f -"
universe@48 151 if test "$depmode" = msvcmsys; then
universe@48 152 # This is just like msvisualcpp but w/o cygpath translation.
universe@48 153 # Just convert the backslash-escaped backslashes to single forward
universe@48 154 # slashes to satisfy depend.m4
universe@48 155 cygpath_u='sed s,\\\\,/,g'
universe@48 156 depmode=msvisualcpp
universe@48 157 fi
universe@48 158
universe@48 159 if test "$depmode" = msvc7msys; then
universe@48 160 # This is just like msvc7 but w/o cygpath translation.
universe@48 161 # Just convert the backslash-escaped backslashes to single forward
universe@48 162 # slashes to satisfy depend.m4
universe@48 163 cygpath_u='sed s,\\\\,/,g'
universe@48 164 depmode=msvc7
universe@48 165 fi
universe@48 166
universe@48 167 if test "$depmode" = xlc; then
universe@48 168 # IBM C/C++ Compilers xlc/xlC can output gcc-like dependency information.
universe@48 169 gccflag=-qmakedep=gcc,-MF
universe@48 170 depmode=gcc
universe@48 171 fi
universe@48 172
universe@48 173 case "$depmode" in
universe@48 174 gcc3)
universe@48 175 ## gcc 3 implements dependency tracking that does exactly what
universe@48 176 ## we want. Yay! Note: for some reason libtool 1.4 doesn't like
universe@48 177 ## it if -MD -MP comes after the -MF stuff. Hmm.
universe@48 178 ## Unfortunately, FreeBSD c89 acceptance of flags depends upon
universe@48 179 ## the command line argument order; so add the flags where they
universe@48 180 ## appear in depend2.am. Note that the slowdown incurred here
universe@48 181 ## affects only configure: in makefiles, %FASTDEP% shortcuts this.
universe@48 182 for arg
universe@48 183 do
universe@48 184 case $arg in
universe@48 185 -c) set fnord "$@" -MT "$object" -MD -MP -MF "$tmpdepfile" "$arg" ;;
universe@48 186 *) set fnord "$@" "$arg" ;;
universe@48 187 esac
universe@48 188 shift # fnord
universe@48 189 shift # $arg
universe@48 190 done
universe@48 191 "$@"
universe@48 192 stat=$?
universe@48 193 if test $stat -ne 0; then
universe@48 194 rm -f "$tmpdepfile"
universe@48 195 exit $stat
universe@48 196 fi
universe@48 197 mv "$tmpdepfile" "$depfile"
universe@48 198 ;;
universe@48 199
universe@48 200 gcc)
universe@48 201 ## Note that this doesn't just cater to obsosete pre-3.x GCC compilers.
universe@48 202 ## but also to in-use compilers like IMB xlc/xlC and the HP C compiler.
universe@48 203 ## (see the conditional assignment to $gccflag above).
universe@48 204 ## There are various ways to get dependency output from gcc. Here's
universe@48 205 ## why we pick this rather obscure method:
universe@48 206 ## - Don't want to use -MD because we'd like the dependencies to end
universe@48 207 ## up in a subdir. Having to rename by hand is ugly.
universe@48 208 ## (We might end up doing this anyway to support other compilers.)
universe@48 209 ## - The DEPENDENCIES_OUTPUT environment variable makes gcc act like
universe@48 210 ## -MM, not -M (despite what the docs say). Also, it might not be
universe@48 211 ## supported by the other compilers which use the 'gcc' depmode.
universe@48 212 ## - Using -M directly means running the compiler twice (even worse
universe@48 213 ## than renaming).
universe@48 214 if test -z "$gccflag"; then
universe@48 215 gccflag=-MD,
universe@48 216 fi
universe@48 217 "$@" -Wp,"$gccflag$tmpdepfile"
universe@48 218 stat=$?
universe@48 219 if test $stat -ne 0; then
universe@48 220 rm -f "$tmpdepfile"
universe@48 221 exit $stat
universe@48 222 fi
universe@48 223 rm -f "$depfile"
universe@48 224 echo "$object : \\" > "$depfile"
universe@48 225 # The second -e expression handles DOS-style file names with drive
universe@48 226 # letters.
universe@48 227 sed -e 's/^[^:]*: / /' \
universe@48 228 -e 's/^['$alpha']:\/[^:]*: / /' < "$tmpdepfile" >> "$depfile"
universe@48 229 ## This next piece of magic avoids the "deleted header file" problem.
universe@48 230 ## The problem is that when a header file which appears in a .P file
universe@48 231 ## is deleted, the dependency causes make to die (because there is
universe@48 232 ## typically no way to rebuild the header). We avoid this by adding
universe@48 233 ## dummy dependencies for each header file. Too bad gcc doesn't do
universe@48 234 ## this for us directly.
universe@48 235 ## Some versions of gcc put a space before the ':'. On the theory
universe@48 236 ## that the space means something, we add a space to the output as
universe@48 237 ## well. hp depmode also adds that space, but also prefixes the VPATH
universe@48 238 ## to the object. Take care to not repeat it in the output.
universe@48 239 ## Some versions of the HPUX 10.20 sed can't process this invocation
universe@48 240 ## correctly. Breaking it into two sed invocations is a workaround.
universe@48 241 tr ' ' "$nl" < "$tmpdepfile" \
universe@48 242 | sed -e 's/^\\$//' -e '/^$/d' -e "s|.*$object$||" -e '/:$/d' \
universe@48 243 | sed -e 's/$/ :/' >> "$depfile"
universe@48 244 rm -f "$tmpdepfile"
universe@48 245 ;;
universe@48 246
universe@48 247 hp)
universe@48 248 # This case exists only to let depend.m4 do its work. It works by
universe@48 249 # looking at the text of this script. This case will never be run,
universe@48 250 # since it is checked for above.
universe@48 251 exit 1
universe@48 252 ;;
universe@48 253
universe@48 254 sgi)
universe@48 255 if test "$libtool" = yes; then
universe@48 256 "$@" "-Wp,-MDupdate,$tmpdepfile"
universe@48 257 else
universe@48 258 "$@" -MDupdate "$tmpdepfile"
universe@48 259 fi
universe@48 260 stat=$?
universe@48 261 if test $stat -ne 0; then
universe@48 262 rm -f "$tmpdepfile"
universe@48 263 exit $stat
universe@48 264 fi
universe@48 265 rm -f "$depfile"
universe@48 266
universe@48 267 if test -f "$tmpdepfile"; then # yes, the sourcefile depend on other files
universe@48 268 echo "$object : \\" > "$depfile"
universe@48 269 # Clip off the initial element (the dependent). Don't try to be
universe@48 270 # clever and replace this with sed code, as IRIX sed won't handle
universe@48 271 # lines with more than a fixed number of characters (4096 in
universe@48 272 # IRIX 6.2 sed, 8192 in IRIX 6.5). We also remove comment lines;
universe@48 273 # the IRIX cc adds comments like '#:fec' to the end of the
universe@48 274 # dependency line.
universe@48 275 tr ' ' "$nl" < "$tmpdepfile" \
universe@48 276 | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' \
universe@48 277 | tr "$nl" ' ' >> "$depfile"
universe@48 278 echo >> "$depfile"
universe@48 279 # The second pass generates a dummy entry for each header file.
universe@48 280 tr ' ' "$nl" < "$tmpdepfile" \
universe@48 281 | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' -e 's/$/:/' \
universe@48 282 >> "$depfile"
universe@48 283 else
universe@48 284 make_dummy_depfile
universe@48 285 fi
universe@48 286 rm -f "$tmpdepfile"
universe@48 287 ;;
universe@48 288
universe@48 289 xlc)
universe@48 290 # This case exists only to let depend.m4 do its work. It works by
universe@48 291 # looking at the text of this script. This case will never be run,
universe@48 292 # since it is checked for above.
universe@48 293 exit 1
universe@48 294 ;;
universe@48 295
universe@48 296 aix)
universe@48 297 # The C for AIX Compiler uses -M and outputs the dependencies
universe@48 298 # in a .u file. In older versions, this file always lives in the
universe@48 299 # current directory. Also, the AIX compiler puts '$object:' at the
universe@48 300 # start of each line; $object doesn't have directory information.
universe@48 301 # Version 6 uses the directory in both cases.
universe@48 302 set_dir_from "$object"
universe@48 303 set_base_from "$object"
universe@48 304 if test "$libtool" = yes; then
universe@48 305 tmpdepfile1=$dir$base.u
universe@48 306 tmpdepfile2=$base.u
universe@48 307 tmpdepfile3=$dir.libs/$base.u
universe@48 308 "$@" -Wc,-M
universe@48 309 else
universe@48 310 tmpdepfile1=$dir$base.u
universe@48 311 tmpdepfile2=$dir$base.u
universe@48 312 tmpdepfile3=$dir$base.u
universe@48 313 "$@" -M
universe@48 314 fi
universe@48 315 stat=$?
universe@48 316 if test $stat -ne 0; then
universe@48 317 rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3"
universe@48 318 exit $stat
universe@48 319 fi
universe@48 320
universe@48 321 for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3"
universe@48 322 do
universe@48 323 test -f "$tmpdepfile" && break
universe@48 324 done
universe@48 325 aix_post_process_depfile
universe@48 326 ;;
universe@48 327
universe@48 328 tcc)
universe@48 329 # tcc (Tiny C Compiler) understand '-MD -MF file' since version 0.9.26
universe@48 330 # FIXME: That version still under development at the moment of writing.
universe@48 331 # Make that this statement remains true also for stable, released
universe@48 332 # versions.
universe@48 333 # It will wrap lines (doesn't matter whether long or short) with a
universe@48 334 # trailing '\', as in:
universe@48 335 #
universe@48 336 # foo.o : \
universe@48 337 # foo.c \
universe@48 338 # foo.h \
universe@48 339 #
universe@48 340 # It will put a trailing '\' even on the last line, and will use leading
universe@48 341 # spaces rather than leading tabs (at least since its commit 0394caf7
universe@48 342 # "Emit spaces for -MD").
universe@48 343 "$@" -MD -MF "$tmpdepfile"
universe@48 344 stat=$?
universe@48 345 if test $stat -ne 0; then
universe@48 346 rm -f "$tmpdepfile"
universe@48 347 exit $stat
universe@48 348 fi
universe@48 349 rm -f "$depfile"
universe@48 350 # Each non-empty line is of the form 'foo.o : \' or ' dep.h \'.
universe@48 351 # We have to change lines of the first kind to '$object: \'.
universe@48 352 sed -e "s|.*:|$object :|" < "$tmpdepfile" > "$depfile"
universe@48 353 # And for each line of the second kind, we have to emit a 'dep.h:'
universe@48 354 # dummy dependency, to avoid the deleted-header problem.
universe@48 355 sed -n -e 's|^ *\(.*\) *\\$|\1:|p' < "$tmpdepfile" >> "$depfile"
universe@48 356 rm -f "$tmpdepfile"
universe@48 357 ;;
universe@48 358
universe@48 359 ## The order of this option in the case statement is important, since the
universe@48 360 ## shell code in configure will try each of these formats in the order
universe@48 361 ## listed in this file. A plain '-MD' option would be understood by many
universe@48 362 ## compilers, so we must ensure this comes after the gcc and icc options.
universe@48 363 pgcc)
universe@48 364 # Portland's C compiler understands '-MD'.
universe@48 365 # Will always output deps to 'file.d' where file is the root name of the
universe@48 366 # source file under compilation, even if file resides in a subdirectory.
universe@48 367 # The object file name does not affect the name of the '.d' file.
universe@48 368 # pgcc 10.2 will output
universe@48 369 # foo.o: sub/foo.c sub/foo.h
universe@48 370 # and will wrap long lines using '\' :
universe@48 371 # foo.o: sub/foo.c ... \
universe@48 372 # sub/foo.h ... \
universe@48 373 # ...
universe@48 374 set_dir_from "$object"
universe@48 375 # Use the source, not the object, to determine the base name, since
universe@48 376 # that's sadly what pgcc will do too.
universe@48 377 set_base_from "$source"
universe@48 378 tmpdepfile=$base.d
universe@48 379
universe@48 380 # For projects that build the same source file twice into different object
universe@48 381 # files, the pgcc approach of using the *source* file root name can cause
universe@48 382 # problems in parallel builds. Use a locking strategy to avoid stomping on
universe@48 383 # the same $tmpdepfile.
universe@48 384 lockdir=$base.d-lock
universe@48 385 trap "
universe@48 386 echo '$0: caught signal, cleaning up...' >&2
universe@48 387 rmdir '$lockdir'
universe@48 388 exit 1
universe@48 389 " 1 2 13 15
universe@48 390 numtries=100
universe@48 391 i=$numtries
universe@48 392 while test $i -gt 0; do
universe@48 393 # mkdir is a portable test-and-set.
universe@48 394 if mkdir "$lockdir" 2>/dev/null; then
universe@48 395 # This process acquired the lock.
universe@48 396 "$@" -MD
universe@48 397 stat=$?
universe@48 398 # Release the lock.
universe@48 399 rmdir "$lockdir"
universe@48 400 break
universe@48 401 else
universe@48 402 # If the lock is being held by a different process, wait
universe@48 403 # until the winning process is done or we timeout.
universe@48 404 while test -d "$lockdir" && test $i -gt 0; do
universe@48 405 sleep 1
universe@48 406 i=`expr $i - 1`
universe@48 407 done
universe@48 408 fi
universe@48 409 i=`expr $i - 1`
universe@48 410 done
universe@48 411 trap - 1 2 13 15
universe@48 412 if test $i -le 0; then
universe@48 413 echo "$0: failed to acquire lock after $numtries attempts" >&2
universe@48 414 echo "$0: check lockdir '$lockdir'" >&2
universe@48 415 exit 1
universe@48 416 fi
universe@48 417
universe@48 418 if test $stat -ne 0; then
universe@48 419 rm -f "$tmpdepfile"
universe@48 420 exit $stat
universe@48 421 fi
universe@48 422 rm -f "$depfile"
universe@48 423 # Each line is of the form `foo.o: dependent.h',
universe@48 424 # or `foo.o: dep1.h dep2.h \', or ` dep3.h dep4.h \'.
universe@48 425 # Do two passes, one to just change these to
universe@48 426 # `$object: dependent.h' and one to simply `dependent.h:'.
universe@48 427 sed "s,^[^:]*:,$object :," < "$tmpdepfile" > "$depfile"
universe@48 428 # Some versions of the HPUX 10.20 sed can't process this invocation
universe@48 429 # correctly. Breaking it into two sed invocations is a workaround.
universe@48 430 sed 's,^[^:]*: \(.*\)$,\1,;s/^\\$//;/^$/d;/:$/d' < "$tmpdepfile" \
universe@48 431 | sed -e 's/$/ :/' >> "$depfile"
universe@48 432 rm -f "$tmpdepfile"
universe@48 433 ;;
universe@48 434
universe@48 435 hp2)
universe@48 436 # The "hp" stanza above does not work with aCC (C++) and HP's ia64
universe@48 437 # compilers, which have integrated preprocessors. The correct option
universe@48 438 # to use with these is +Maked; it writes dependencies to a file named
universe@48 439 # 'foo.d', which lands next to the object file, wherever that
universe@48 440 # happens to be.
universe@48 441 # Much of this is similar to the tru64 case; see comments there.
universe@48 442 set_dir_from "$object"
universe@48 443 set_base_from "$object"
universe@48 444 if test "$libtool" = yes; then
universe@48 445 tmpdepfile1=$dir$base.d
universe@48 446 tmpdepfile2=$dir.libs/$base.d
universe@48 447 "$@" -Wc,+Maked
universe@48 448 else
universe@48 449 tmpdepfile1=$dir$base.d
universe@48 450 tmpdepfile2=$dir$base.d
universe@48 451 "$@" +Maked
universe@48 452 fi
universe@48 453 stat=$?
universe@48 454 if test $stat -ne 0; then
universe@48 455 rm -f "$tmpdepfile1" "$tmpdepfile2"
universe@48 456 exit $stat
universe@48 457 fi
universe@48 458
universe@48 459 for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2"
universe@48 460 do
universe@48 461 test -f "$tmpdepfile" && break
universe@48 462 done
universe@48 463 if test -f "$tmpdepfile"; then
universe@48 464 sed -e "s,^.*\.[$lower]*:,$object:," "$tmpdepfile" > "$depfile"
universe@48 465 # Add 'dependent.h:' lines.
universe@48 466 sed -ne '2,${
universe@48 467 s/^ *//
universe@48 468 s/ \\*$//
universe@48 469 s/$/:/
universe@48 470 p
universe@48 471 }' "$tmpdepfile" >> "$depfile"
universe@48 472 else
universe@48 473 make_dummy_depfile
universe@48 474 fi
universe@48 475 rm -f "$tmpdepfile" "$tmpdepfile2"
universe@48 476 ;;
universe@48 477
universe@48 478 tru64)
universe@48 479 # The Tru64 compiler uses -MD to generate dependencies as a side
universe@48 480 # effect. 'cc -MD -o foo.o ...' puts the dependencies into 'foo.o.d'.
universe@48 481 # At least on Alpha/Redhat 6.1, Compaq CCC V6.2-504 seems to put
universe@48 482 # dependencies in 'foo.d' instead, so we check for that too.
universe@48 483 # Subdirectories are respected.
universe@48 484 set_dir_from "$object"
universe@48 485 set_base_from "$object"
universe@48 486
universe@48 487 if test "$libtool" = yes; then
universe@48 488 # Libtool generates 2 separate objects for the 2 libraries. These
universe@48 489 # two compilations output dependencies in $dir.libs/$base.o.d and
universe@48 490 # in $dir$base.o.d. We have to check for both files, because
universe@48 491 # one of the two compilations can be disabled. We should prefer
universe@48 492 # $dir$base.o.d over $dir.libs/$base.o.d because the latter is
universe@48 493 # automatically cleaned when .libs/ is deleted, while ignoring
universe@48 494 # the former would cause a distcleancheck panic.
universe@48 495 tmpdepfile1=$dir$base.o.d # libtool 1.5
universe@48 496 tmpdepfile2=$dir.libs/$base.o.d # Likewise.
universe@48 497 tmpdepfile3=$dir.libs/$base.d # Compaq CCC V6.2-504
universe@48 498 "$@" -Wc,-MD
universe@48 499 else
universe@48 500 tmpdepfile1=$dir$base.d
universe@48 501 tmpdepfile2=$dir$base.d
universe@48 502 tmpdepfile3=$dir$base.d
universe@48 503 "$@" -MD
universe@48 504 fi
universe@48 505
universe@48 506 stat=$?
universe@48 507 if test $stat -ne 0; then
universe@48 508 rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3"
universe@48 509 exit $stat
universe@48 510 fi
universe@48 511
universe@48 512 for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3"
universe@48 513 do
universe@48 514 test -f "$tmpdepfile" && break
universe@48 515 done
universe@48 516 # Same post-processing that is required for AIX mode.
universe@48 517 aix_post_process_depfile
universe@48 518 ;;
universe@48 519
universe@48 520 msvc7)
universe@48 521 if test "$libtool" = yes; then
universe@48 522 showIncludes=-Wc,-showIncludes
universe@48 523 else
universe@48 524 showIncludes=-showIncludes
universe@48 525 fi
universe@48 526 "$@" $showIncludes > "$tmpdepfile"
universe@48 527 stat=$?
universe@48 528 grep -v '^Note: including file: ' "$tmpdepfile"
universe@48 529 if test $stat -ne 0; then
universe@48 530 rm -f "$tmpdepfile"
universe@48 531 exit $stat
universe@48 532 fi
universe@48 533 rm -f "$depfile"
universe@48 534 echo "$object : \\" > "$depfile"
universe@48 535 # The first sed program below extracts the file names and escapes
universe@48 536 # backslashes for cygpath. The second sed program outputs the file
universe@48 537 # name when reading, but also accumulates all include files in the
universe@48 538 # hold buffer in order to output them again at the end. This only
universe@48 539 # works with sed implementations that can handle large buffers.
universe@48 540 sed < "$tmpdepfile" -n '
universe@48 541 /^Note: including file: *\(.*\)/ {
universe@48 542 s//\1/
universe@48 543 s/\\/\\\\/g
universe@48 544 p
universe@48 545 }' | $cygpath_u | sort -u | sed -n '
universe@48 546 s/ /\\ /g
universe@48 547 s/\(.*\)/'"$tab"'\1 \\/p
universe@48 548 s/.\(.*\) \\/\1:/
universe@48 549 H
universe@48 550 $ {
universe@48 551 s/.*/'"$tab"'/
universe@48 552 G
universe@48 553 p
universe@48 554 }' >> "$depfile"
universe@48 555 echo >> "$depfile" # make sure the fragment doesn't end with a backslash
universe@48 556 rm -f "$tmpdepfile"
universe@48 557 ;;
universe@48 558
universe@48 559 msvc7msys)
universe@48 560 # This case exists only to let depend.m4 do its work. It works by
universe@48 561 # looking at the text of this script. This case will never be run,
universe@48 562 # since it is checked for above.
universe@48 563 exit 1
universe@48 564 ;;
universe@48 565
universe@48 566 #nosideeffect)
universe@48 567 # This comment above is used by automake to tell side-effect
universe@48 568 # dependency tracking mechanisms from slower ones.
universe@48 569
universe@48 570 dashmstdout)
universe@48 571 # Important note: in order to support this mode, a compiler *must*
universe@48 572 # always write the preprocessed file to stdout, regardless of -o.
universe@48 573 "$@" || exit $?
universe@48 574
universe@48 575 # Remove the call to Libtool.
universe@48 576 if test "$libtool" = yes; then
universe@48 577 while test "X$1" != 'X--mode=compile'; do
universe@48 578 shift
universe@48 579 done
universe@48 580 shift
universe@48 581 fi
universe@48 582
universe@48 583 # Remove '-o $object'.
universe@48 584 IFS=" "
universe@48 585 for arg
universe@48 586 do
universe@48 587 case $arg in
universe@48 588 -o)
universe@48 589 shift
universe@48 590 ;;
universe@48 591 $object)
universe@48 592 shift
universe@48 593 ;;
universe@48 594 *)
universe@48 595 set fnord "$@" "$arg"
universe@48 596 shift # fnord
universe@48 597 shift # $arg
universe@48 598 ;;
universe@48 599 esac
universe@48 600 done
universe@48 601
universe@48 602 test -z "$dashmflag" && dashmflag=-M
universe@48 603 # Require at least two characters before searching for ':'
universe@48 604 # in the target name. This is to cope with DOS-style filenames:
universe@48 605 # a dependency such as 'c:/foo/bar' could be seen as target 'c' otherwise.
universe@48 606 "$@" $dashmflag |
universe@48 607 sed "s|^[$tab ]*[^:$tab ][^:][^:]*:[$tab ]*|$object: |" > "$tmpdepfile"
universe@48 608 rm -f "$depfile"
universe@48 609 cat < "$tmpdepfile" > "$depfile"
universe@48 610 # Some versions of the HPUX 10.20 sed can't process this sed invocation
universe@48 611 # correctly. Breaking it into two sed invocations is a workaround.
universe@48 612 tr ' ' "$nl" < "$tmpdepfile" \
universe@48 613 | sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' \
universe@48 614 | sed -e 's/$/ :/' >> "$depfile"
universe@48 615 rm -f "$tmpdepfile"
universe@48 616 ;;
universe@48 617
universe@48 618 dashXmstdout)
universe@48 619 # This case only exists to satisfy depend.m4. It is never actually
universe@48 620 # run, as this mode is specially recognized in the preamble.
universe@48 621 exit 1
universe@48 622 ;;
universe@48 623
universe@48 624 makedepend)
universe@48 625 "$@" || exit $?
universe@48 626 # Remove any Libtool call
universe@48 627 if test "$libtool" = yes; then
universe@48 628 while test "X$1" != 'X--mode=compile'; do
universe@48 629 shift
universe@48 630 done
universe@48 631 shift
universe@48 632 fi
universe@48 633 # X makedepend
universe@48 634 shift
universe@48 635 cleared=no eat=no
universe@48 636 for arg
universe@48 637 do
universe@48 638 case $cleared in
universe@48 639 no)
universe@48 640 set ""; shift
universe@48 641 cleared=yes ;;
universe@48 642 esac
universe@48 643 if test $eat = yes; then
universe@48 644 eat=no
universe@48 645 continue
universe@48 646 fi
universe@48 647 case "$arg" in
universe@48 648 -D*|-I*)
universe@48 649 set fnord "$@" "$arg"; shift ;;
universe@48 650 # Strip any option that makedepend may not understand. Remove
universe@48 651 # the object too, otherwise makedepend will parse it as a source file.
universe@48 652 -arch)
universe@48 653 eat=yes ;;
universe@48 654 -*|$object)
universe@48 655 ;;
universe@48 656 *)
universe@48 657 set fnord "$@" "$arg"; shift ;;
universe@48 658 esac
universe@48 659 done
universe@48 660 obj_suffix=`echo "$object" | sed 's/^.*\././'`
universe@48 661 touch "$tmpdepfile"
universe@48 662 ${MAKEDEPEND-makedepend} -o"$obj_suffix" -f"$tmpdepfile" "$@"
universe@48 663 rm -f "$depfile"
universe@48 664 # makedepend may prepend the VPATH from the source file name to the object.
universe@48 665 # No need to regex-escape $object, excess matching of '.' is harmless.
universe@48 666 sed "s|^.*\($object *:\)|\1|" "$tmpdepfile" > "$depfile"
universe@48 667 # Some versions of the HPUX 10.20 sed can't process the last invocation
universe@48 668 # correctly. Breaking it into two sed invocations is a workaround.
universe@48 669 sed '1,2d' "$tmpdepfile" \
universe@48 670 | tr ' ' "$nl" \
universe@48 671 | sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' \
universe@48 672 | sed -e 's/$/ :/' >> "$depfile"
universe@48 673 rm -f "$tmpdepfile" "$tmpdepfile".bak
universe@48 674 ;;
universe@48 675
universe@48 676 cpp)
universe@48 677 # Important note: in order to support this mode, a compiler *must*
universe@48 678 # always write the preprocessed file to stdout.
universe@48 679 "$@" || exit $?
universe@48 680
universe@48 681 # Remove the call to Libtool.
universe@48 682 if test "$libtool" = yes; then
universe@48 683 while test "X$1" != 'X--mode=compile'; do
universe@48 684 shift
universe@48 685 done
universe@48 686 shift
universe@48 687 fi
universe@48 688
universe@48 689 # Remove '-o $object'.
universe@48 690 IFS=" "
universe@48 691 for arg
universe@48 692 do
universe@48 693 case $arg in
universe@48 694 -o)
universe@48 695 shift
universe@48 696 ;;
universe@48 697 $object)
universe@48 698 shift
universe@48 699 ;;
universe@48 700 *)
universe@48 701 set fnord "$@" "$arg"
universe@48 702 shift # fnord
universe@48 703 shift # $arg
universe@48 704 ;;
universe@48 705 esac
universe@48 706 done
universe@48 707
universe@48 708 "$@" -E \
universe@48 709 | sed -n -e '/^# [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' \
universe@48 710 -e '/^#line [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' \
universe@48 711 | sed '$ s: \\$::' > "$tmpdepfile"
universe@48 712 rm -f "$depfile"
universe@48 713 echo "$object : \\" > "$depfile"
universe@48 714 cat < "$tmpdepfile" >> "$depfile"
universe@48 715 sed < "$tmpdepfile" '/^$/d;s/^ //;s/ \\$//;s/$/ :/' >> "$depfile"
universe@48 716 rm -f "$tmpdepfile"
universe@48 717 ;;
universe@48 718
universe@48 719 msvisualcpp)
universe@48 720 # Important note: in order to support this mode, a compiler *must*
universe@48 721 # always write the preprocessed file to stdout.
universe@48 722 "$@" || exit $?
universe@48 723
universe@48 724 # Remove the call to Libtool.
universe@48 725 if test "$libtool" = yes; then
universe@48 726 while test "X$1" != 'X--mode=compile'; do
universe@48 727 shift
universe@48 728 done
universe@48 729 shift
universe@48 730 fi
universe@48 731
universe@48 732 IFS=" "
universe@48 733 for arg
universe@48 734 do
universe@48 735 case "$arg" in
universe@48 736 -o)
universe@48 737 shift
universe@48 738 ;;
universe@48 739 $object)
universe@48 740 shift
universe@48 741 ;;
universe@48 742 "-Gm"|"/Gm"|"-Gi"|"/Gi"|"-ZI"|"/ZI")
universe@48 743 set fnord "$@"
universe@48 744 shift
universe@48 745 shift
universe@48 746 ;;
universe@48 747 *)
universe@48 748 set fnord "$@" "$arg"
universe@48 749 shift
universe@48 750 shift
universe@48 751 ;;
universe@48 752 esac
universe@48 753 done
universe@48 754 "$@" -E 2>/dev/null |
universe@48 755 sed -n '/^#line [0-9][0-9]* "\([^"]*\)"/ s::\1:p' | $cygpath_u | sort -u > "$tmpdepfile"
universe@48 756 rm -f "$depfile"
universe@48 757 echo "$object : \\" > "$depfile"
universe@48 758 sed < "$tmpdepfile" -n -e 's% %\\ %g' -e '/^\(.*\)$/ s::'"$tab"'\1 \\:p' >> "$depfile"
universe@48 759 echo "$tab" >> "$depfile"
universe@48 760 sed < "$tmpdepfile" -n -e 's% %\\ %g' -e '/^\(.*\)$/ s::\1\::p' >> "$depfile"
universe@48 761 rm -f "$tmpdepfile"
universe@48 762 ;;
universe@48 763
universe@48 764 msvcmsys)
universe@48 765 # This case exists only to let depend.m4 do its work. It works by
universe@48 766 # looking at the text of this script. This case will never be run,
universe@48 767 # since it is checked for above.
universe@48 768 exit 1
universe@48 769 ;;
universe@48 770
universe@48 771 none)
universe@48 772 exec "$@"
universe@48 773 ;;
universe@48 774
universe@48 775 *)
universe@48 776 echo "Unknown depmode $depmode" 1>&2
universe@48 777 exit 1
universe@48 778 ;;
universe@48 779 esac
universe@48 780
universe@48 781 exit 0
universe@48 782
universe@48 783 # Local Variables:
universe@48 784 # mode: shell-script
universe@48 785 # sh-indentation: 2
universe@48 786 # eval: (add-hook 'write-file-hooks 'time-stamp)
universe@48 787 # time-stamp-start: "scriptversion="
universe@48 788 # time-stamp-format: "%:y-%02m-%02d.%02H"
universe@48 789 # time-stamp-time-zone: "UTC"
universe@48 790 # time-stamp-end: "; # UTC"
universe@48 791 # End:

mercurial