Annotation of embedaddon/iftop/config/depcomp, revision 1.1
1.1 ! misho 1: #! /bin/sh
! 2:
! 3: # depcomp - compile a program generating dependencies as side-effects
! 4: # Copyright 1999, 2000 Free Software Foundation, Inc.
! 5:
! 6: # This program is free software; you can redistribute it and/or modify
! 7: # it under the terms of the GNU General Public License as published by
! 8: # the Free Software Foundation; either version 2, or (at your option)
! 9: # any later version.
! 10:
! 11: # This program is distributed in the hope that it will be useful,
! 12: # but WITHOUT ANY WARRANTY; without even the implied warranty of
! 13: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
! 14: # GNU General Public License for more details.
! 15:
! 16: # You should have received a copy of the GNU General Public License
! 17: # along with this program; if not, write to the Free Software
! 18: # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
! 19: # 02111-1307, USA.
! 20:
! 21: # As a special exception to the GNU General Public License, if you
! 22: # distribute this file as part of a program that contains a
! 23: # configuration script generated by Autoconf, you may include it under
! 24: # the same distribution terms that you use for the rest of that program.
! 25:
! 26: # Originally written by Alexandre Oliva <oliva@dcc.unicamp.br>.
! 27:
! 28: if test -z "$depmode" || test -z "$source" || test -z "$object"; then
! 29: echo "depcomp: Variables source, object and depmode must be set" 1>&2
! 30: exit 1
! 31: fi
! 32: # `libtool' can also be set to `yes' or `no'.
! 33:
! 34: if test -z "$depfile"; then
! 35: base=`echo "$object" | sed -e 's,^.*/,,' -e 's,\.\([^.]*\)$,.P\1,'`
! 36: dir=`echo "$object" | sed 's,/.*$,/,'`
! 37: if test "$dir" = "$object"; then
! 38: dir=
! 39: fi
! 40: # FIXME: should be _deps on DOS.
! 41: depfile="$dir.deps/$base"
! 42: fi
! 43:
! 44: tmpdepfile=${tmpdepfile-`echo "$depfile" | sed 's/\.\([^.]*\)$/.T\1/'`}
! 45:
! 46: rm -f "$tmpdepfile"
! 47:
! 48: # Some modes work just like other modes, but use different flags. We
! 49: # parameterize here, but still list the modes in the big case below,
! 50: # to make depend.m4 easier to write. Note that we *cannot* use a case
! 51: # here, because this file can only contain one case statement.
! 52: if test "$depmode" = hp; then
! 53: # HP compiler uses -M and no extra arg.
! 54: gccflag=-M
! 55: depmode=gcc
! 56: fi
! 57:
! 58: if test "$depmode" = dashXmstdout; then
! 59: # This is just like dashmstdout with a different argument.
! 60: dashmflag=-xM
! 61: depmode=dashmstdout
! 62: fi
! 63:
! 64: case "$depmode" in
! 65: gcc3)
! 66: ## gcc 3 implements dependency tracking that does exactly what
! 67: ## we want. Yay! Note: for some reason libtool 1.4 doesn't like
! 68: ## it if -MD -MP comes after the -MF stuff. Hmm.
! 69: "$@" -MT "$object" -MD -MP -MF "$tmpdepfile"
! 70: stat=$?
! 71: if test $stat -eq 0; then :
! 72: else
! 73: rm -f "$tmpdepfile"
! 74: exit $stat
! 75: fi
! 76: mv "$tmpdepfile" "$depfile"
! 77: ;;
! 78:
! 79: gcc)
! 80: ## There are various ways to get dependency output from gcc. Here's
! 81: ## why we pick this rather obscure method:
! 82: ## - Don't want to use -MD because we'd like the dependencies to end
! 83: ## up in a subdir. Having to rename by hand is ugly.
! 84: ## (We might end up doing this anyway to support other compilers.)
! 85: ## - The DEPENDENCIES_OUTPUT environment variable makes gcc act like
! 86: ## -MM, not -M (despite what the docs say).
! 87: ## - Using -M directly means running the compiler twice (even worse
! 88: ## than renaming).
! 89: if test -z "$gccflag"; then
! 90: gccflag=-MD,
! 91: fi
! 92: "$@" -Wp,"$gccflag$tmpdepfile"
! 93: stat=$?
! 94: if test $stat -eq 0; then :
! 95: else
! 96: rm -f "$tmpdepfile"
! 97: exit $stat
! 98: fi
! 99: rm -f "$depfile"
! 100: echo "$object : \\" > "$depfile"
! 101: alpha=ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz
! 102: ## The second -e expression handles DOS-style file names with drive letters.
! 103: sed -e 's/^[^:]*: / /' \
! 104: -e 's/^['$alpha']:\/[^:]*: / /' < "$tmpdepfile" >> "$depfile"
! 105: ## This next piece of magic avoids the `deleted header file' problem.
! 106: ## The problem is that when a header file which appears in a .P file
! 107: ## is deleted, the dependency causes make to die (because there is
! 108: ## typically no way to rebuild the header). We avoid this by adding
! 109: ## dummy dependencies for each header file. Too bad gcc doesn't do
! 110: ## this for us directly.
! 111: tr ' ' '
! 112: ' < "$tmpdepfile" |
! 113: ## Some versions of gcc put a space before the `:'. On the theory
! 114: ## that the space means something, we add a space to the output as
! 115: ## well.
! 116: ## Some versions of the HPUX 10.20 sed can't process this invocation
! 117: ## correctly. Breaking it into two sed invocations is a workaround.
! 118: sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile"
! 119: rm -f "$tmpdepfile"
! 120: ;;
! 121:
! 122: hp)
! 123: # This case exists only to let depend.m4 do its work. It works by
! 124: # looking at the text of this script. This case will never be run,
! 125: # since it is checked for above.
! 126: exit 1
! 127: ;;
! 128:
! 129: sgi)
! 130: if test "$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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