| 1 | #! /bin/sh
|
|---|
| 2 | # depcomp - compile a program generating dependencies as side-effects
|
|---|
| 3 |
|
|---|
| 4 | scriptversion=2018-03-07.03; # UTC
|
|---|
| 5 |
|
|---|
| 6 | # Copyright (C) 1999-2021 Free Software Foundation, Inc.
|
|---|
| 7 |
|
|---|
| 8 | # This program is free software; you can redistribute it and/or modify
|
|---|
| 9 | # it under the terms of the GNU General Public License as published by
|
|---|
| 10 | # the Free Software Foundation; either version 2, or (at your option)
|
|---|
| 11 | # any later version.
|
|---|
| 12 |
|
|---|
| 13 | # This program is distributed in the hope that it will be useful,
|
|---|
| 14 | # but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|---|
| 15 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|---|
| 16 | # GNU General Public License for more details.
|
|---|
| 17 |
|
|---|
| 18 | # You should have received a copy of the GNU General Public License
|
|---|
| 19 | # along with this program. If not, see <https://www.gnu.org/licenses/>.
|
|---|
| 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 <[email protected]>.
|
|---|
| 27 |
|
|---|
| 28 | case $1 in
|
|---|
| 29 | '')
|
|---|
| 30 | echo "$0: No command. Try '$0 --help' for more information." 1>&2
|
|---|
| 31 | exit 1;
|
|---|
| 32 | ;;
|
|---|
| 33 | -h | --h*)
|
|---|
| 34 | cat <<\EOF
|
|---|
| 35 | Usage: depcomp [--help] [--version] PROGRAM [ARGS]
|
|---|
| 36 |
|
|---|
| 37 | Run PROGRAMS ARGS to compile a file, generating dependencies
|
|---|
| 38 | as side-effects.
|
|---|
| 39 |
|
|---|
| 40 | Environment variables:
|
|---|
| 41 | depmode Dependency tracking mode.
|
|---|
| 42 | source Source file read by 'PROGRAMS ARGS'.
|
|---|
| 43 | object Object file output by 'PROGRAMS ARGS'.
|
|---|
| 44 | DEPDIR directory where to store dependencies.
|
|---|
| 45 | depfile Dependency file to output.
|
|---|
| 46 | tmpdepfile Temporary file to use when outputting dependencies.
|
|---|
| 47 | libtool Whether libtool is used (yes/no).
|
|---|
| 48 |
|
|---|
| 49 | Report bugs to <[email protected]>.
|
|---|
| 50 | EOF
|
|---|
| 51 | exit $?
|
|---|
| 52 | ;;
|
|---|
| 53 | -v | --v*)
|
|---|
| 54 | echo "depcomp $scriptversion"
|
|---|
| 55 | exit $?
|
|---|
| 56 | ;;
|
|---|
| 57 | esac
|
|---|
| 58 |
|
|---|
| 59 | # Get the directory component of the given path, and save it in the
|
|---|
| 60 | # global variables '$dir'. Note that this directory component will
|
|---|
| 61 | # be either empty or ending with a '/' character. This is deliberate.
|
|---|
| 62 | set_dir_from ()
|
|---|
| 63 | {
|
|---|
| 64 | case $1 in
|
|---|
| 65 | */*) dir=`echo "$1" | sed -e 's|/[^/]*$|/|'`;;
|
|---|
| 66 | *) dir=;;
|
|---|
| 67 | esac
|
|---|
| 68 | }
|
|---|
| 69 |
|
|---|
| 70 | # Get the suffix-stripped basename of the given path, and save it the
|
|---|
| 71 | # global variable '$base'.
|
|---|
| 72 | set_base_from ()
|
|---|
| 73 | {
|
|---|
| 74 | base=`echo "$1" | sed -e 's|^.*/||' -e 's/\.[^.]*$//'`
|
|---|
| 75 | }
|
|---|
| 76 |
|
|---|
| 77 | # If no dependency file was actually created by the compiler invocation,
|
|---|
| 78 | # we still have to create a dummy depfile, to avoid errors with the
|
|---|
| 79 | # Makefile "include basename.Plo" scheme.
|
|---|
| 80 | make_dummy_depfile ()
|
|---|
| 81 | {
|
|---|
| 82 | echo "#dummy" > "$depfile"
|
|---|
| 83 | }
|
|---|
| 84 |
|
|---|
| 85 | # Factor out some common post-processing of the generated depfile.
|
|---|
| 86 | # Requires the auxiliary global variable '$tmpdepfile' to be set.
|
|---|
| 87 | aix_post_process_depfile ()
|
|---|
| 88 | {
|
|---|
| 89 | # If the compiler actually managed to produce a dependency file,
|
|---|
| 90 | # post-process it.
|
|---|
| 91 | if test -f "$tmpdepfile"; then
|
|---|
| 92 | # Each line is of the form 'foo.o: dependency.h'.
|
|---|
| 93 | # Do two passes, one to just change these to
|
|---|
| 94 | # $object: dependency.h
|
|---|
| 95 | # and one to simply output
|
|---|
| 96 | # dependency.h:
|
|---|
| 97 | # which is needed to avoid the deleted-header problem.
|
|---|
| 98 | { sed -e "s,^.*\.[$lower]*:,$object:," < "$tmpdepfile"
|
|---|
| 99 | sed -e "s,^.*\.[$lower]*:[$tab ]*,," -e 's,$,:,' < "$tmpdepfile"
|
|---|
| 100 | } > "$depfile"
|
|---|
| 101 | rm -f "$tmpdepfile"
|
|---|
| 102 | else
|
|---|
| 103 | make_dummy_depfile
|
|---|
| 104 | fi
|
|---|
| 105 | }
|
|---|
| 106 |
|
|---|
| 107 | # A tabulation character.
|
|---|
| 108 | tab=' '
|
|---|
| 109 | # A newline character.
|
|---|
| 110 | nl='
|
|---|
| 111 | '
|
|---|
| 112 | # Character ranges might be problematic outside the C locale.
|
|---|
| 113 | # These definitions help.
|
|---|
| 114 | upper=ABCDEFGHIJKLMNOPQRSTUVWXYZ
|
|---|
| 115 | lower=abcdefghijklmnopqrstuvwxyz
|
|---|
| 116 | digits=0123456789
|
|---|
| 117 | alpha=${upper}${lower}
|
|---|
| 118 |
|
|---|
| 119 | if test -z "$depmode" || test -z "$source" || test -z "$object"; then
|
|---|
| 120 | echo "depcomp: Variables source, object and depmode must be set" 1>&2
|
|---|
| 121 | exit 1
|
|---|
| 122 | fi
|
|---|
| 123 |
|
|---|
| 124 | # Dependencies for sub/bar.o or sub/bar.obj go into sub/.deps/bar.Po.
|
|---|
| 125 | depfile=${depfile-`echo "$object" |
|
|---|
| 126 | sed 's|[^\\/]*$|'${DEPDIR-.deps}'/&|;s|\.\([^.]*\)$|.P\1|;s|Pobj$|Po|'`}
|
|---|
| 127 | tmpdepfile=${tmpdepfile-`echo "$depfile" | sed 's/\.\([^.]*\)$/.T\1/'`}
|
|---|
| 128 |
|
|---|
| 129 | rm -f "$tmpdepfile"
|
|---|
| 130 |
|
|---|
| 131 | # Avoid interferences from the environment.
|
|---|
| 132 | gccflag= dashmflag=
|
|---|
| 133 |
|
|---|
| 134 | # Some modes work just like other modes, but use different flags. We
|
|---|
| 135 | # parameterize here, but still list the modes in the big case below,
|
|---|
| 136 | # to make depend.m4 easier to write. Note that we *cannot* use a case
|
|---|
| 137 | # here, because this file can only contain one case statement.
|
|---|
| 138 | if test "$depmode" = hp; then
|
|---|
| 139 | # HP compiler uses -M and no extra arg.
|
|---|
| 140 | gccflag=-M
|
|---|
| 141 | depmode=gcc
|
|---|
| 142 | fi
|
|---|
| 143 |
|
|---|
| 144 | if test "$depmode" = dashXmstdout; then
|
|---|
| 145 | # This is just like dashmstdout with a different argument.
|
|---|
| 146 | dashmflag=-xM
|
|---|
| 147 | depmode=dashmstdout
|
|---|
| 148 | fi
|
|---|
| 149 |
|
|---|
| 150 | cygpath_u="cygpath -u -f -"
|
|---|
| 151 | if test "$depmode" = msvcmsys; then
|
|---|
| 152 | # This is just like msvisualcpp but w/o cygpath translation.
|
|---|
| 153 | # Just convert the backslash-escaped backslashes to single forward
|
|---|
| 154 | # slashes to satisfy depend.m4
|
|---|
| 155 | cygpath_u='sed s,\\\\,/,g'
|
|---|
| 156 | depmode=msvisualcpp
|
|---|
| 157 | fi
|
|---|
| 158 |
|
|---|
| 159 | if test "$depmode" = msvc7msys; then
|
|---|
| 160 | # This is just like msvc7 but w/o cygpath translation.
|
|---|
| 161 | # Just convert the backslash-escaped backslashes to single forward
|
|---|
| 162 | # slashes to satisfy depend.m4
|
|---|
| 163 | cygpath_u='sed s,\\\\,/,g'
|
|---|
| 164 | depmode=msvc7
|
|---|
| 165 | fi
|
|---|
| 166 |
|
|---|
| 167 | if test "$depmode" = xlc; then
|
|---|
| 168 | # IBM C/C++ Compilers xlc/xlC can output gcc-like dependency information.
|
|---|
| 169 | gccflag=-qmakedep=gcc,-MF
|
|---|
| 170 | depmode=gcc
|
|---|
| 171 | fi
|
|---|
| 172 |
|
|---|
| 173 | case "$depmode" in
|
|---|
| 174 | gcc3)
|
|---|
| 175 | ## gcc 3 implements dependency tracking that does exactly what
|
|---|
| 176 | ## we want. Yay! Note: for some reason libtool 1.4 doesn't like
|
|---|
| 177 | ## it if -MD -MP comes after the -MF stuff. Hmm.
|
|---|
| 178 | ## Unfortunately, FreeBSD c89 acceptance of flags depends upon
|
|---|
| 179 | ## the command line argument order; so add the flags where they
|
|---|
| 180 | ## appear in depend2.am. Note that the slowdown incurred here
|
|---|
| 181 | ## affects only configure: in makefiles, %FASTDEP% shortcuts this.
|
|---|
| 182 | for arg
|
|---|
| 183 | do
|
|---|
| 184 | case $arg in
|
|---|
| 185 | -c) set fnord "$@" -MT "$object" -MD -MP -MF "$tmpdepfile" "$arg" ;;
|
|---|
| 186 | *) set fnord "$@" "$arg" ;;
|
|---|
| 187 | esac
|
|---|
| 188 | shift # fnord
|
|---|
| 189 | shift # $arg
|
|---|
| 190 | done
|
|---|
| 191 | "$@"
|
|---|
| 192 | stat=$?
|
|---|
| 193 | if test $stat -ne 0; then
|
|---|
| 194 | rm -f "$tmpdepfile"
|
|---|
| 195 | exit $stat
|
|---|
| 196 | fi
|
|---|
| 197 | mv "$tmpdepfile" "$depfile"
|
|---|
| 198 | ;;
|
|---|
| 199 |
|
|---|
| 200 | gcc)
|
|---|
| 201 | ## Note that this doesn't just cater to obsosete pre-3.x GCC compilers.
|
|---|
| 202 | ## but also to in-use compilers like IMB xlc/xlC and the HP C compiler.
|
|---|
| 203 | ## (see the conditional assignment to $gccflag above).
|
|---|
| 204 | ## There are various ways to get dependency output from gcc. Here's
|
|---|
| 205 | ## why we pick this rather obscure method:
|
|---|
| 206 | ## - Don't want to use -MD because we'd like the dependencies to end
|
|---|
| 207 | ## up in a subdir. Having to rename by hand is ugly.
|
|---|
| 208 | ## (We might end up doing this anyway to support other compilers.)
|
|---|
| 209 | ## - The DEPENDENCIES_OUTPUT environment variable makes gcc act like
|
|---|
| 210 | ## -MM, not -M (despite what the docs say). Also, it might not be
|
|---|
| 211 | ## supported by the other compilers which use the 'gcc' depmode.
|
|---|
| 212 | ## - Using -M directly means running the compiler twice (even worse
|
|---|
| 213 | ## than renaming).
|
|---|
| 214 | if test -z "$gccflag"; then
|
|---|
| 215 | gccflag=-MD,
|
|---|
| 216 | fi
|
|---|
| 217 | "$@" -Wp,"$gccflag$tmpdepfile"
|
|---|
| 218 | stat=$?
|
|---|
| 219 | if test $stat -ne 0; then
|
|---|
| 220 | rm -f "$tmpdepfile"
|
|---|
| 221 | exit $stat
|
|---|
| 222 | fi
|
|---|
| 223 | rm -f "$depfile"
|
|---|
| 224 | echo "$object : \\" > "$depfile"
|
|---|
| 225 | # The second -e expression handles DOS-style file names with drive
|
|---|
| 226 | # letters.
|
|---|
| 227 | sed -e 's/^[^:]*: / /' \
|
|---|
| 228 | -e 's/^['$alpha']:\/[^:]*: / /' < "$tmpdepfile" >> "$depfile"
|
|---|
| 229 | ## This next piece of magic avoids the "deleted header file" problem.
|
|---|
| 230 | ## The problem is that when a header file which appears in a .P file
|
|---|
| 231 | ## is deleted, the dependency causes make to die (because there is
|
|---|
| 232 | ## typically no way to rebuild the header). We avoid this by adding
|
|---|
| 233 | ## dummy dependencies for each header file. Too bad gcc doesn't do
|
|---|
| 234 | ## this for us directly.
|
|---|
| 235 | ## Some versions of gcc put a space before the ':'. On the theory
|
|---|
| 236 | ## that the space means something, we add a space to the output as
|
|---|
| 237 | ## well. hp depmode also adds that space, but also prefixes the VPATH
|
|---|
| 238 | ## to the object. Take care to not repeat it in the output.
|
|---|
| 239 | ## Some versions of the HPUX 10.20 sed can't process this invocation
|
|---|
| 240 | ## correctly. Breaking it into two sed invocations is a workaround.
|
|---|
| 241 | tr ' ' "$nl" < "$tmpdepfile" \
|
|---|
| 242 | | sed -e 's/^\\$//' -e '/^$/d' -e "s|.*$object$||" -e '/:$/d' \
|
|---|
| 243 | | sed -e 's/$/ :/' >> "$depfile"
|
|---|
| 244 | rm -f "$tmpdepfile"
|
|---|
| 245 | ;;
|
|---|
| 246 |
|
|---|
| 247 | hp)
|
|---|
| 248 | # This case exists only to let depend.m4 do its work. It works by
|
|---|
| 249 | # looking at the text of this script. This case will never be run,
|
|---|
| 250 | # since it is checked for above.
|
|---|
| 251 | exit 1
|
|---|
| 252 | ;;
|
|---|
| 253 |
|
|---|
| 254 | sgi)
|
|---|
| 255 | if test "$libtool" = yes; then
|
|---|
| 256 | "$@" "-Wp,-MDupdate,$tmpdepfile"
|
|---|
| 257 | else
|
|---|
| 258 | "$@" -MDupdate "$tmpdepfile"
|
|---|
| 259 | fi
|
|---|
| 260 | stat=$?
|
|---|
| 261 | if test $stat -ne 0; then
|
|---|
| 262 | rm -f "$tmpdepfile"
|
|---|
| 263 | exit $stat
|
|---|
| 264 | fi
|
|---|
| 265 | rm -f "$depfile"
|
|---|
| 266 |
|
|---|
| 267 | if test -f "$tmpdepfile"; then # yes, the sourcefile depend on other files
|
|---|
| 268 | echo "$object : \\" > "$depfile"
|
|---|
| 269 | # Clip off the initial element (the dependent). Don't try to be
|
|---|
| 270 | # clever and replace this with sed code, as IRIX sed won't handle
|
|---|
| 271 | # lines with more than a fixed number of characters (4096 in
|
|---|
| 272 | # IRIX 6.2 sed, 8192 in IRIX 6.5). We also remove comment lines;
|
|---|
| 273 | # the IRIX cc adds comments like '#:fec' to the end of the
|
|---|
| 274 | # dependency line.
|
|---|
| 275 | tr ' ' "$nl" < "$tmpdepfile" \
|
|---|
| 276 | | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' \
|
|---|
| 277 | | tr "$nl" ' ' >> "$depfile"
|
|---|
| 278 | echo >> "$depfile"
|
|---|
| 279 | # The second pass generates a dummy entry for each header file.
|
|---|
| 280 | tr ' ' "$nl" < "$tmpdepfile" \
|
|---|
| 281 | | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' -e 's/$/:/' \
|
|---|
| 282 | >> "$depfile"
|
|---|
| 283 | else
|
|---|
| 284 | make_dummy_depfile
|
|---|
| 285 | fi
|
|---|
| 286 | rm -f "$tmpdepfile"
|
|---|
| 287 | ;;
|
|---|
| 288 |
|
|---|
| 289 | xlc)
|
|---|
| 290 | # This case exists only to let depend.m4 do its work. It works by
|
|---|
| 291 | # looking at the text of this script. This case will never be run,
|
|---|
| 292 | # since it is checked for above.
|
|---|
| 293 | exit 1
|
|---|
| 294 | ;;
|
|---|
| 295 |
|
|---|
| 296 | aix)
|
|---|
| 297 | # The C for AIX Compiler uses -M and outputs the dependencies
|
|---|
| 298 | # in a .u file. In older versions, this file always lives in the
|
|---|
| 299 | # current directory. Also, the AIX compiler puts '$object:' at the
|
|---|
| 300 | # start of each line; $object doesn't have directory information.
|
|---|
| 301 | # Version 6 uses the directory in both cases.
|
|---|
| 302 | set_dir_from "$object"
|
|---|
| 303 | set_base_from "$object"
|
|---|
| 304 | if test "$libtool" = yes; then
|
|---|
| 305 | tmpdepfile1=$dir$base.u
|
|---|
| 306 | tmpdepfile2=$base.u
|
|---|
| 307 | tmpdepfile3=$dir.libs/$base.u
|
|---|
| 308 | "$@" -Wc,-M
|
|---|
| 309 | else
|
|---|
| 310 | tmpdepfile1=$dir$base.u
|
|---|
| 311 | tmpdepfile2=$dir$base.u
|
|---|
| 312 | tmpdepfile3=$dir$base.u
|
|---|
| 313 | "$@" -M
|
|---|
| 314 | fi
|
|---|
| 315 | stat=$?
|
|---|
| 316 | if test $stat -ne 0; then
|
|---|
| 317 | rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3"
|
|---|
| 318 | exit $stat
|
|---|
| 319 | fi
|
|---|
| 320 |
|
|---|
| 321 | for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3"
|
|---|
| 322 | do
|
|---|
| 323 | test -f "$tmpdepfile" && break
|
|---|
| 324 | done
|
|---|
| 325 | aix_post_process_depfile
|
|---|
| 326 | ;;
|
|---|
| 327 |
|
|---|
| 328 | tcc)
|
|---|
| 329 | # tcc (Tiny C Compiler) understand '-MD -MF file' since version 0.9.26
|
|---|
| 330 | # FIXME: That version still under development at the moment of writing.
|
|---|
| 331 | # Make that this statement remains true also for stable, released
|
|---|
| 332 | # versions.
|
|---|
| 333 | # It will wrap lines (doesn't matter whether long or short) with a
|
|---|
| 334 | # trailing '\', as in:
|
|---|
| 335 | #
|
|---|
| 336 | # foo.o : \
|
|---|
| 337 | # foo.c \
|
|---|
| 338 | # foo.h \
|
|---|
| 339 | #
|
|---|
| 340 | # It will put a trailing '\' even on the last line, and will use leading
|
|---|
| 341 | # spaces rather than leading tabs (at least since its commit 0394caf7
|
|---|
| 342 | # "Emit spaces for -MD").
|
|---|
| 343 | "$@" -MD -MF "$tmpdepfile"
|
|---|
| 344 | stat=$?
|
|---|
| 345 | if test $stat -ne 0; then
|
|---|
| 346 | rm -f "$tmpdepfile"
|
|---|
| 347 | exit $stat
|
|---|
| 348 | fi
|
|---|
| 349 | rm -f "$depfile"
|
|---|
| 350 | # Each non-empty line is of the form 'foo.o : \' or ' dep.h \'.
|
|---|
| 351 | # We have to change lines of the first kind to '$object: \'.
|
|---|
| 352 | sed -e "s|.*:|$object :|" < "$tmpdepfile" > "$depfile"
|
|---|
| 353 | # And for each line of the second kind, we have to emit a 'dep.h:'
|
|---|
| 354 | # dummy dependency, to avoid the deleted-header problem.
|
|---|
| 355 | sed -n -e 's|^ *\(.*\) *\\$|\1:|p' < "$tmpdepfile" >> "$depfile"
|
|---|
| 356 | rm -f "$tmpdepfile"
|
|---|
| 357 | ;;
|
|---|
| 358 |
|
|---|
| 359 | ## The order of this option in the case statement is important, since the
|
|---|
| 360 | ## shell code in configure will try each of these formats in the order
|
|---|
| 361 | ## listed in this file. A plain '-MD' option would be understood by many
|
|---|
| 362 | ## compilers, so we must ensure this comes after the gcc and icc options.
|
|---|
| 363 | pgcc)
|
|---|
| 364 | # Portland's C compiler understands '-MD'.
|
|---|
| 365 | # Will always output deps to 'file.d' where file is the root name of the
|
|---|
| 366 | # source file under compilation, even if file resides in a subdirectory.
|
|---|
| 367 | # The object file name does not affect the name of the '.d' file.
|
|---|
| 368 | # pgcc 10.2 will output
|
|---|
| 369 | # foo.o: sub/foo.c sub/foo.h
|
|---|
| 370 | # and will wrap long lines using '\' :
|
|---|
| 371 | # foo.o: sub/foo.c ... \
|
|---|
| 372 | # sub/foo.h ... \
|
|---|
| 373 | # ...
|
|---|
| 374 | set_dir_from "$object"
|
|---|
| 375 | # Use the source, not the object, to determine the base name, since
|
|---|
| 376 | # that's sadly what pgcc will do too.
|
|---|
| 377 | set_base_from "$source"
|
|---|
| 378 | tmpdepfile=$base.d
|
|---|
| 379 |
|
|---|
| 380 | # For projects that build the same source file twice into different object
|
|---|
| 381 | # files, the pgcc approach of using the *source* file root name can cause
|
|---|
| 382 | # problems in parallel builds. Use a locking strategy to avoid stomping on
|
|---|
| 383 | # the same $tmpdepfile.
|
|---|
| 384 | lockdir=$base.d-lock
|
|---|
| 385 | trap "
|
|---|
| 386 | echo '$0: caught signal, cleaning up...' >&2
|
|---|
| 387 | rmdir '$lockdir'
|
|---|
| 388 | exit 1
|
|---|
| 389 | " 1 2 13 15
|
|---|
| 390 | numtries=100
|
|---|
| 391 | i=$numtries
|
|---|
| 392 | while test $i -gt 0; do
|
|---|
| 393 | # mkdir is a portable test-and-set.
|
|---|
| 394 | if mkdir "$lockdir" 2>/dev/null; then
|
|---|
| 395 | # This process acquired the lock.
|
|---|
| 396 | "$@" -MD
|
|---|
| 397 | stat=$?
|
|---|
| 398 | # Release the lock.
|
|---|
| 399 | rmdir "$lockdir"
|
|---|
| 400 | break
|
|---|
| 401 | else
|
|---|
| 402 | # If the lock is being held by a different process, wait
|
|---|
| 403 | # until the winning process is done or we timeout.
|
|---|
| 404 | while test -d "$lockdir" && test $i -gt 0; do
|
|---|
| 405 | sleep 1
|
|---|
| 406 | i=`expr $i - 1`
|
|---|
| 407 | done
|
|---|
| 408 | fi
|
|---|
| 409 | i=`expr $i - 1`
|
|---|
| 410 | done
|
|---|
| 411 | trap - 1 2 13 15
|
|---|
| 412 | if test $i -le 0; then
|
|---|
| 413 | echo "$0: failed to acquire lock after $numtries attempts" >&2
|
|---|
| 414 | echo "$0: check lockdir '$lockdir'" >&2
|
|---|
| 415 | exit 1
|
|---|
| 416 | fi
|
|---|
| 417 |
|
|---|
| 418 | if test $stat -ne 0; then
|
|---|
| 419 | rm -f "$tmpdepfile"
|
|---|
| 420 | exit $stat
|
|---|
| 421 | fi
|
|---|
| 422 | rm -f "$depfile"
|
|---|
| 423 | # Each line is of the form `foo.o: dependent.h',
|
|---|
| 424 | # or `foo.o: dep1.h dep2.h \', or ` dep3.h dep4.h \'.
|
|---|
| 425 | # Do two passes, one to just change these to
|
|---|
| 426 | # `$object: dependent.h' and one to simply `dependent.h:'.
|
|---|
| 427 | sed "s,^[^:]*:,$object :," < "$tmpdepfile" > "$depfile"
|
|---|
| 428 | # Some versions of the HPUX 10.20 sed can't process this invocation
|
|---|
| 429 | # correctly. Breaking it into two sed invocations is a workaround.
|
|---|
| 430 | sed 's,^[^:]*: \(.*\)$,\1,;s/^\\$//;/^$/d;/:$/d' < "$tmpdepfile" \
|
|---|
| 431 | | sed -e 's/$/ :/' >> "$depfile"
|
|---|
| 432 | rm -f "$tmpdepfile"
|
|---|
| 433 | ;;
|
|---|
| 434 |
|
|---|
| 435 | hp2)
|
|---|
| 436 | # The "hp" stanza above does not work with aCC (C++) and HP's ia64
|
|---|
| 437 | # compilers, which have integrated preprocessors. The correct option
|
|---|
| 438 | # to use with these is +Maked; it writes dependencies to a file named
|
|---|
| 439 | # 'foo.d', which lands next to the object file, wherever that
|
|---|
| 440 | # happens to be.
|
|---|
| 441 | # Much of this is similar to the tru64 case; see comments there.
|
|---|
| 442 | set_dir_from "$object"
|
|---|
| 443 | set_base_from "$object"
|
|---|
| 444 | if test "$libtool" = yes; then
|
|---|
| 445 | tmpdepfile1=$dir$base.d
|
|---|
| 446 | tmpdepfile2=$dir.libs/$base.d
|
|---|
| 447 | "$@" -Wc,+Maked
|
|---|
| 448 | else
|
|---|
| 449 | tmpdepfile1=$dir$base.d
|
|---|
| 450 | tmpdepfile2=$dir$base.d
|
|---|
| 451 | "$@" +Maked
|
|---|
| 452 | fi
|
|---|
| 453 | stat=$?
|
|---|
| 454 | if test $stat -ne 0; then
|
|---|
| 455 | rm -f "$tmpdepfile1" "$tmpdepfile2"
|
|---|
| 456 | exit $stat
|
|---|
| 457 | fi
|
|---|
| 458 |
|
|---|
| 459 | for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2"
|
|---|
| 460 | do
|
|---|
| 461 | test -f "$tmpdepfile" && break
|
|---|
| 462 | done
|
|---|
| 463 | if test -f "$tmpdepfile"; then
|
|---|
| 464 | sed -e "s,^.*\.[$lower]*:,$object:," "$tmpdepfile" > "$depfile"
|
|---|
| 465 | # Add 'dependent.h:' lines.
|
|---|
| 466 | sed -ne '2,${
|
|---|
| 467 | s/^ *//
|
|---|
| 468 | s/ \\*$//
|
|---|
| 469 | s/$/:/
|
|---|
| 470 | p
|
|---|
| 471 | }' "$tmpdepfile" >> "$depfile"
|
|---|
| 472 | else
|
|---|
| 473 | make_dummy_depfile
|
|---|
| 474 | fi
|
|---|
| 475 | rm -f "$tmpdepfile" "$tmpdepfile2"
|
|---|
| 476 | ;;
|
|---|
| 477 |
|
|---|
| 478 | tru64)
|
|---|
| 479 | # The Tru64 compiler uses -MD to generate dependencies as a side
|
|---|
| 480 | # effect. 'cc -MD -o foo.o ...' puts the dependencies into 'foo.o.d'.
|
|---|
| 481 | # At least on Alpha/Redhat 6.1, Compaq CCC V6.2-504 seems to put
|
|---|
| 482 | # dependencies in 'foo.d' instead, so we check for that too.
|
|---|
| 483 | # Subdirectories are respected.
|
|---|
| 484 | set_dir_from "$object"
|
|---|
| 485 | set_base_from "$object"
|
|---|
| 486 |
|
|---|
| 487 | if test "$libtool" = yes; then
|
|---|
| 488 | # Libtool generates 2 separate objects for the 2 libraries. These
|
|---|
| 489 | # two compilations output dependencies in $dir.libs/$base.o.d and
|
|---|
| 490 | # in $dir$base.o.d. We have to check for both files, because
|
|---|
| 491 | # one of the two compilations can be disabled. We should prefer
|
|---|
| 492 | # $dir$base.o.d over $dir.libs/$base.o.d because the latter is
|
|---|
| 493 | # automatically cleaned when .libs/ is deleted, while ignoring
|
|---|
| 494 | # the former would cause a distcleancheck panic.
|
|---|
| 495 | tmpdepfile1=$dir$base.o.d # libtool 1.5
|
|---|
| 496 | tmpdepfile2=$dir.libs/$base.o.d # Likewise.
|
|---|
| 497 | tmpdepfile3=$dir.libs/$base.d # Compaq CCC V6.2-504
|
|---|
| 498 | "$@" -Wc,-MD
|
|---|
| 499 | else
|
|---|
| 500 | tmpdepfile1=$dir$base.d
|
|---|
| 501 | tmpdepfile2=$dir$base.d
|
|---|
| 502 | tmpdepfile3=$dir$base.d
|
|---|
| 503 | "$@" -MD
|
|---|
| 504 | fi
|
|---|
| 505 |
|
|---|
| 506 | stat=$?
|
|---|
| 507 | if test $stat -ne 0; then
|
|---|
| 508 | rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3"
|
|---|
| 509 | exit $stat
|
|---|
| 510 | fi
|
|---|
| 511 |
|
|---|
| 512 | for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3"
|
|---|
| 513 | do
|
|---|
| 514 | test -f "$tmpdepfile" && break
|
|---|
| 515 | done
|
|---|
| 516 | # Same post-processing that is required for AIX mode.
|
|---|
| 517 | aix_post_process_depfile
|
|---|
| 518 | ;;
|
|---|
| 519 |
|
|---|
| 520 | msvc7)
|
|---|
| 521 | if test "$libtool" = yes; then
|
|---|
| 522 | showIncludes=-Wc,-showIncludes
|
|---|
| 523 | else
|
|---|
| 524 | showIncludes=-showIncludes
|
|---|
| 525 | fi
|
|---|
| 526 | "$@" $showIncludes > "$tmpdepfile"
|
|---|
| 527 | stat=$?
|
|---|
| 528 | grep -v '^Note: including file: ' "$tmpdepfile"
|
|---|
| 529 | if test $stat -ne 0; then
|
|---|
| 530 | rm -f "$tmpdepfile"
|
|---|
| 531 | exit $stat
|
|---|
| 532 | fi
|
|---|
| 533 | rm -f "$depfile"
|
|---|
| 534 | echo "$object : \\" > "$depfile"
|
|---|
| 535 | # The first sed program below extracts the file names and escapes
|
|---|
| 536 | # backslashes for cygpath. The second sed program outputs the file
|
|---|
| 537 | # name when reading, but also accumulates all include files in the
|
|---|
| 538 | # hold buffer in order to output them again at the end. This only
|
|---|
| 539 | # works with sed implementations that can handle large buffers.
|
|---|
| 540 | sed < "$tmpdepfile" -n '
|
|---|
| 541 | /^Note: including file: *\(.*\)/ {
|
|---|
| 542 | s//\1/
|
|---|
| 543 | s/\\/\\\\/g
|
|---|
| 544 | p
|
|---|
| 545 | }' | $cygpath_u | sort -u | sed -n '
|
|---|
| 546 | s/ /\\ /g
|
|---|
| 547 | s/\(.*\)/'"$tab"'\1 \\/p
|
|---|
| 548 | s/.\(.*\) \\/\1:/
|
|---|
| 549 | H
|
|---|
| 550 | $ {
|
|---|
| 551 | s/.*/'"$tab"'/
|
|---|
| 552 | G
|
|---|
| 553 | p
|
|---|
| 554 | }' >> "$depfile"
|
|---|
| 555 | echo >> "$depfile" # make sure the fragment doesn't end with a backslash
|
|---|
| 556 | rm -f "$tmpdepfile"
|
|---|
| 557 | ;;
|
|---|
| 558 |
|
|---|
| 559 | msvc7msys)
|
|---|
| 560 | # This case exists only to let depend.m4 do its work. It works by
|
|---|
| 561 | # looking at the text of this script. This case will never be run,
|
|---|
| 562 | # since it is checked for above.
|
|---|
| 563 | exit 1
|
|---|
| 564 | ;;
|
|---|
| 565 |
|
|---|
| 566 | #nosideeffect)
|
|---|
| 567 | # This comment above is used by automake to tell side-effect
|
|---|
| 568 | # dependency tracking mechanisms from slower ones.
|
|---|
| 569 |
|
|---|
| 570 | dashmstdout)
|
|---|
| 571 | # Important note: in order to support this mode, a compiler *must*
|
|---|
| 572 | # always write the preprocessed file to stdout, regardless of -o.
|
|---|
| 573 | "$@" || exit $?
|
|---|
| 574 |
|
|---|
| 575 | # Remove the call to Libtool.
|
|---|
| 576 | if test "$libtool" = yes; then
|
|---|
| 577 | while test "X$1" != 'X--mode=compile'; do
|
|---|
| 578 | shift
|
|---|
| 579 | done
|
|---|
| 580 | shift
|
|---|
| 581 | fi
|
|---|
| 582 |
|
|---|
| 583 | # Remove '-o $object'.
|
|---|
| 584 | IFS=" "
|
|---|
| 585 | for arg
|
|---|
| 586 | do
|
|---|
| 587 | case $arg in
|
|---|
| 588 | -o)
|
|---|
| 589 | shift
|
|---|
| 590 | ;;
|
|---|
| 591 | $object)
|
|---|
| 592 | shift
|
|---|
| 593 | ;;
|
|---|
| 594 | *)
|
|---|
| 595 | set fnord "$@" "$arg"
|
|---|
| 596 | shift # fnord
|
|---|
| 597 | shift # $arg
|
|---|
| 598 | ;;
|
|---|
| 599 | esac
|
|---|
| 600 | done
|
|---|
| 601 |
|
|---|
| 602 | test -z "$dashmflag" && dashmflag=-M
|
|---|
| 603 | # Require at least two characters before searching for ':'
|
|---|
| 604 | # in the target name. This is to cope with DOS-style filenames:
|
|---|
| 605 | # a dependency such as 'c:/foo/bar' could be seen as target 'c' otherwise.
|
|---|
| 606 | "$@" $dashmflag |
|
|---|
| 607 | sed "s|^[$tab ]*[^:$tab ][^:][^:]*:[$tab ]*|$object: |" > "$tmpdepfile"
|
|---|
| 608 | rm -f "$depfile"
|
|---|
| 609 | cat < "$tmpdepfile" > "$depfile"
|
|---|
| 610 | # Some versions of the HPUX 10.20 sed can't process this sed invocation
|
|---|
| 611 | # correctly. Breaking it into two sed invocations is a workaround.
|
|---|
| 612 | tr ' ' "$nl" < "$tmpdepfile" \
|
|---|
| 613 | | sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' \
|
|---|
| 614 | | sed -e 's/$/ :/' >> "$depfile"
|
|---|
| 615 | rm -f "$tmpdepfile"
|
|---|
| 616 | ;;
|
|---|
| 617 |
|
|---|
| 618 | dashXmstdout)
|
|---|
| 619 | # This case only exists to satisfy depend.m4. It is never actually
|
|---|
| 620 | # run, as this mode is specially recognized in the preamble.
|
|---|
| 621 | exit 1
|
|---|
| 622 | ;;
|
|---|
| 623 |
|
|---|
| 624 | makedepend)
|
|---|
| 625 | "$@" || exit $?
|
|---|
| 626 | # Remove any Libtool call
|
|---|
| 627 | if test "$libtool" = yes; then
|
|---|
| 628 | while test "X$1" != 'X--mode=compile'; do
|
|---|
| 629 | shift
|
|---|
| 630 | done
|
|---|
| 631 | shift
|
|---|
| 632 | fi
|
|---|
| 633 | # X makedepend
|
|---|
| 634 | shift
|
|---|
| 635 | cleared=no eat=no
|
|---|
| 636 | for arg
|
|---|
| 637 | do
|
|---|
| 638 | case $cleared in
|
|---|
| 639 | no)
|
|---|
| 640 | set ""; shift
|
|---|
| 641 | cleared=yes ;;
|
|---|
| 642 | esac
|
|---|
| 643 | if test $eat = yes; then
|
|---|
| 644 | eat=no
|
|---|
| 645 | continue
|
|---|
| 646 | fi
|
|---|
| 647 | case "$arg" in
|
|---|
| 648 | -D*|-I*)
|
|---|
| 649 | set fnord "$@" "$arg"; shift ;;
|
|---|
| 650 | # Strip any option that makedepend may not understand. Remove
|
|---|
| 651 | # the object too, otherwise makedepend will parse it as a source file.
|
|---|
| 652 | -arch)
|
|---|
| 653 | eat=yes ;;
|
|---|
| 654 | -*|$object)
|
|---|
| 655 | ;;
|
|---|
| 656 | *)
|
|---|
| 657 | set fnord "$@" "$arg"; shift ;;
|
|---|
| 658 | esac
|
|---|
| 659 | done
|
|---|
| 660 | obj_suffix=`echo "$object" | sed 's/^.*\././'`
|
|---|
| 661 | touch "$tmpdepfile"
|
|---|
| 662 | ${MAKEDEPEND-makedepend} -o"$obj_suffix" -f"$tmpdepfile" "$@"
|
|---|
| 663 | rm -f "$depfile"
|
|---|
| 664 | # makedepend may prepend the VPATH from the source file name to the object.
|
|---|
| 665 | # No need to regex-escape $object, excess matching of '.' is harmless.
|
|---|
| 666 | sed "s|^.*\($object *:\)|\1|" "$tmpdepfile" > "$depfile"
|
|---|
| 667 | # Some versions of the HPUX 10.20 sed can't process the last invocation
|
|---|
| 668 | # correctly. Breaking it into two sed invocations is a workaround.
|
|---|
| 669 | sed '1,2d' "$tmpdepfile" \
|
|---|
| 670 | | tr ' ' "$nl" \
|
|---|
| 671 | | sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' \
|
|---|
| 672 | | sed -e 's/$/ :/' >> "$depfile"
|
|---|
| 673 | rm -f "$tmpdepfile" "$tmpdepfile".bak
|
|---|
| 674 | ;;
|
|---|
| 675 |
|
|---|
| 676 | cpp)
|
|---|
| 677 | # Important note: in order to support this mode, a compiler *must*
|
|---|
| 678 | # always write the preprocessed file to stdout.
|
|---|
| 679 | "$@" || exit $?
|
|---|
| 680 |
|
|---|
| 681 | # Remove the call to Libtool.
|
|---|
| 682 | if test "$libtool" = yes; then
|
|---|
| 683 | while test "X$1" != 'X--mode=compile'; do
|
|---|
| 684 | shift
|
|---|
| 685 | done
|
|---|
| 686 | shift
|
|---|
| 687 | fi
|
|---|
| 688 |
|
|---|
| 689 | # Remove '-o $object'.
|
|---|
| 690 | IFS=" "
|
|---|
| 691 | for arg
|
|---|
| 692 | do
|
|---|
| 693 | case $arg in
|
|---|
| 694 | -o)
|
|---|
| 695 | shift
|
|---|
| 696 | ;;
|
|---|
| 697 | $object)
|
|---|
| 698 | shift
|
|---|
| 699 | ;;
|
|---|
| 700 | *)
|
|---|
| 701 | set fnord "$@" "$arg"
|
|---|
| 702 | shift # fnord
|
|---|
| 703 | shift # $arg
|
|---|
| 704 | ;;
|
|---|
| 705 | esac
|
|---|
| 706 | done
|
|---|
| 707 |
|
|---|
| 708 | "$@" -E \
|
|---|
| 709 | | sed -n -e '/^# [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' \
|
|---|
| 710 | -e '/^#line [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' \
|
|---|
| 711 | | sed '$ s: \\$::' > "$tmpdepfile"
|
|---|
| 712 | rm -f "$depfile"
|
|---|
| 713 | echo "$object : \\" > "$depfile"
|
|---|
| 714 | cat < "$tmpdepfile" >> "$depfile"
|
|---|
| 715 | sed < "$tmpdepfile" '/^$/d;s/^ //;s/ \\$//;s/$/ :/' >> "$depfile"
|
|---|
| 716 | rm -f "$tmpdepfile"
|
|---|
| 717 | ;;
|
|---|
| 718 |
|
|---|
| 719 | msvisualcpp)
|
|---|
| 720 | # Important note: in order to support this mode, a compiler *must*
|
|---|
| 721 | # always write the preprocessed file to stdout.
|
|---|
| 722 | "$@" || exit $?
|
|---|
| 723 |
|
|---|
| 724 | # Remove the call to Libtool.
|
|---|
| 725 | if test "$libtool" = yes; then
|
|---|
| 726 | while test "X$1" != 'X--mode=compile'; do
|
|---|
| 727 | shift
|
|---|
| 728 | done
|
|---|
| 729 | shift
|
|---|
| 730 | fi
|
|---|
| 731 |
|
|---|
| 732 | IFS=" "
|
|---|
| 733 | for arg
|
|---|
| 734 | do
|
|---|
| 735 | case "$arg" in
|
|---|
| 736 | -o)
|
|---|
| 737 | shift
|
|---|
| 738 | ;;
|
|---|
| 739 | $object)
|
|---|
| 740 | shift
|
|---|
| 741 | ;;
|
|---|
| 742 | "-Gm"|"/Gm"|"-Gi"|"/Gi"|"-ZI"|"/ZI")
|
|---|
| 743 | set fnord "$@"
|
|---|
| 744 | shift
|
|---|
| 745 | shift
|
|---|
| 746 | ;;
|
|---|
| 747 | *)
|
|---|
| 748 | set fnord "$@" "$arg"
|
|---|
| 749 | shift
|
|---|
| 750 | shift
|
|---|
| 751 | ;;
|
|---|
| 752 | esac
|
|---|
| 753 | done
|
|---|
| 754 | "$@" -E 2>/dev/null |
|
|---|
| 755 | sed -n '/^#line [0-9][0-9]* "\([^"]*\)"/ s::\1:p' | $cygpath_u | sort -u > "$tmpdepfile"
|
|---|
| 756 | rm -f "$depfile"
|
|---|
| 757 | echo "$object : \\" > "$depfile"
|
|---|
| 758 | sed < "$tmpdepfile" -n -e 's% %\\ %g' -e '/^\(.*\)$/ s::'"$tab"'\1 \\:p' >> "$depfile"
|
|---|
| 759 | echo "$tab" >> "$depfile"
|
|---|
| 760 | sed < "$tmpdepfile" -n -e 's% %\\ %g' -e '/^\(.*\)$/ s::\1\::p' >> "$depfile"
|
|---|
| 761 | rm -f "$tmpdepfile"
|
|---|
| 762 | ;;
|
|---|
| 763 |
|
|---|
| 764 | msvcmsys)
|
|---|
| 765 | # This case exists only to let depend.m4 do its work. It works by
|
|---|
| 766 | # looking at the text of this script. This case will never be run,
|
|---|
| 767 | # since it is checked for above.
|
|---|
| 768 | exit 1
|
|---|
| 769 | ;;
|
|---|
| 770 |
|
|---|
| 771 | none)
|
|---|
| 772 | exec "$@"
|
|---|
| 773 | ;;
|
|---|
| 774 |
|
|---|
| 775 | *)
|
|---|
| 776 | echo "Unknown depmode $depmode" 1>&2
|
|---|
| 777 | exit 1
|
|---|
| 778 | ;;
|
|---|
| 779 | esac
|
|---|
| 780 |
|
|---|
| 781 | exit 0
|
|---|
| 782 |
|
|---|
| 783 | # Local Variables:
|
|---|
| 784 | # mode: shell-script
|
|---|
| 785 | # sh-indentation: 2
|
|---|
| 786 | # eval: (add-hook 'before-save-hook 'time-stamp)
|
|---|
| 787 | # time-stamp-start: "scriptversion="
|
|---|
| 788 | # time-stamp-format: "%:y-%02m-%02d.%02H"
|
|---|
| 789 | # time-stamp-time-zone: "UTC0"
|
|---|
| 790 | # time-stamp-end: "; # UTC"
|
|---|
| 791 | # End:
|
|---|
