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 "$object"; then
   29:   echo "depcomp: Variables source, object and depmode must be set" 1>&2
   30:   exit 1
   31: fi
   32: # `libtool' can also be set to `yes' or `no'.
   33: 
   34: depfile=${depfile-`echo "$object" | sed 's,\([^/]*\)$,.deps/\1,;s/\.\([^.]*\)$/.P\1/'`}
   35: tmpdepfile=${tmpdepfile-`echo "$depfile" | sed 's/\.\([^.]*\)$/.T\1/'`}
   36: 
   37: rm -f "$tmpdepfile"
   38: 
   39: # Some modes work just like other modes, but use different flags.  We
   40: # parameterize here, but still list the modes in the big case below,
   41: # to make depend.m4 easier to write.  Note that we *cannot* use a case
   42: # here, because this file can only contain one case statement.
   43: if test "$depmode" = hp; then
   44:   # HP compiler uses -M and no extra arg.
   45:   gccflag=-M
   46:   depmode=gcc
   47: fi
   48: 
   49: if test "$depmode" = dashXmstdout; then
   50:    # This is just like dashmstdout with a different argument.
   51:    dashmflag=-xM
   52:    depmode=dashmstdout
   53: fi
   54: 
   55: case "$depmode" in
   56: gcc3)
   57: ## gcc 3 implements dependency tracking that does exactly what
   58: ## we want.  Yay!  Note: for some reason libtool 1.4 doesn't like
   59: ## it if -MD -MP comes after the -MF stuff.  Hmm.
   60:   "$@" -MT "$object" -MD -MP -MF "$tmpdepfile"
   61:   stat=$?
   62:   if test $stat -eq 0; then :
   63:   else
   64:     rm -f "$tmpdepfile"
   65:     exit $stat
   66:   fi
   67:   mv "$tmpdepfile" "$depfile"
   68:   ;;
   69: 
   70: gcc)
   71: ## There are various ways to get dependency output from gcc.  Here's
   72: ## why we pick this rather obscure method:
   73: ## - Don't want to use -MD because we'd like the dependencies to end
   74: ##   up in a subdir.  Having to rename by hand is ugly.
   75: ##   (We might end up doing this anyway to support other compilers.)
   76: ## - The DEPENDENCIES_OUTPUT environment variable makes gcc act like
   77: ##   -MM, not -M (despite what the docs say).
   78: ## - Using -M directly means running the compiler twice (even worse
   79: ##   than renaming).
   80:   if test -z "$gccflag"; then
   81:     gccflag=-MD,
   82:   fi
   83:   "$@" -Wp,"$gccflag$tmpdepfile"
   84:   stat=$?
   85:   if test $stat -eq 0; then :
   86:   else
   87:     rm -f "$tmpdepfile"
   88:     exit $stat
   89:   fi
   90:   rm -f "$depfile"
   91:   echo "$object : \\" > "$depfile"
   92:   alpha=ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz
   93: ## The second -e expression handles DOS-style file names with drive letters.
   94:   sed -e 's/^[^:]*: / /' \
   95:       -e 's/^['$alpha']:\/[^:]*: / /' < "$tmpdepfile" >> "$depfile"
   96: ## This next piece of magic avoids the `deleted header file' problem.
   97: ## The problem is that when a header file which appears in a .P file
   98: ## is deleted, the dependency causes make to die (because there is
   99: ## typically no way to rebuild the header).  We avoid this by adding
  100: ## dummy dependencies for each header file.  Too bad gcc doesn't do
  101: ## this for us directly.
  102:   tr ' ' '
  103: ' < "$tmpdepfile" |
  104: ## Some versions of gcc put a space before the `:'.  On the theory
  105: ## that the space means something, we add a space to the output as
  106: ## well.
  107: ## Some versions of the HPUX 10.20 sed can't process this invocation
  108: ## correctly.  Breaking it into two sed invocations is a workaround.
  109:     sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile"
  110:   rm -f "$tmpdepfile"
  111:   ;;
  112: 
  113: hp)
  114:   # This case exists only to let depend.m4 do its work.  It works by
  115:   # looking at the text of this script.  This case will never be run,
  116:   # since it is checked for above.
  117:   exit 1
  118:   ;;
  119: 
  120: sgi)
  121:   if test "$libtool" = yes; then
  122:     "$@" "-Wp,-MDupdate,$tmpdepfile"
  123:   else
  124:     "$@" -MDupdate "$tmpdepfile"
  125:   fi
  126:   stat=$?
  127:   if test $stat -eq 0; then :
  128:   else
  129:     rm -f "$tmpdepfile"
  130:     exit $stat
  131:   fi
  132:   rm -f "$depfile"
  133: 
  134:   if test -f "$tmpdepfile"; then  # yes, the sourcefile depend on other files
  135:     echo "$object : \\" > "$depfile"
  136: 
  137:     # Clip off the initial element (the dependent).  Don't try to be
  138:     # clever and replace this with sed code, as IRIX sed won't handle
  139:     # lines with more than a fixed number of characters (4096 in
  140:     # IRIX 6.2 sed, 8192 in IRIX 6.5).  We also remove comment lines;
  141:     # the IRIX cc adds comments like `#:fec' to the end of the
  142:     # dependency line.
  143:     tr ' ' '
  144: ' < "$tmpdepfile" \
  145:     | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' | \
  146:     tr '
  147: ' ' ' >> $depfile
  148:     echo >> $depfile
  149: 
  150:     # The second pass generates a dummy entry for each header file.
  151:     tr ' ' '
  152: ' < "$tmpdepfile" \
  153:    | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' -e 's/$/:/' \
  154:    >> $depfile
  155:   else
  156:     # The sourcefile does not contain any dependencies, so just
  157:     # store a dummy comment line, to avoid errors with the Makefile
  158:     # "include basename.Plo" scheme.
  159:     echo "#dummy" > "$depfile"
  160:   fi
  161:   rm -f "$tmpdepfile"
  162:   ;;
  163: 
  164: aix)
  165:   # The C for AIX Compiler uses -M and outputs the dependencies
  166:   # in a .u file.  This file always lives in the current directory.
  167:   # Also, the AIX compiler puts `$object:' at the start of each line;
  168:   # $object doesn't have directory information.
  169:   stripped=`echo "$object" | sed -e 's,^.*/,,' -e 's/\(.*\)\..*$/\1/'`
  170:   tmpdepfile="$stripped.u"
  171:   outname="$stripped.o"
  172:   if test "$libtool" = yes; then
  173:     "$@" -Wc,-M
  174:   else
  175:     "$@" -M
  176:   fi
  177: 
  178:   stat=$?
  179:   if test $stat -eq 0; then :
  180:   else
  181:     rm -f "$tmpdepfile"
  182:     exit $stat
  183:   fi
  184: 
  185:   if test -f "$tmpdepfile"; then
  186:     # Each line is of the form `foo.o: dependent.h'.
  187:     # Do two passes, one to just change these to
  188:     # `$object: dependent.h' and one to simply `dependent.h:'.
  189:     sed -e "s,^$outname:,$object :," < "$tmpdepfile" > "$depfile"
  190:     sed -e "s,^$outname: \(.*\)$,\1:," < "$tmpdepfile" >> "$depfile"
  191:   else
  192:     # The sourcefile does not contain any dependencies, so just
  193:     # store a dummy comment line, to avoid errors with the Makefile
  194:     # "include basename.Plo" scheme.
  195:     echo "#dummy" > "$depfile"
  196:   fi
  197:   rm -f "$tmpdepfile"
  198:   ;;
  199: 
  200: tru64)
  201:    # The Tru64 AIX compiler uses -MD to generate dependencies as a side
  202:    # effect.  `cc -MD -o foo.o ...' puts the dependencies into `foo.o.d'.
  203:    # At least on Alpha/Redhat 6.1, Compaq CCC V6.2-504 seems to put 
  204:    # dependencies in `foo.d' instead, so we check for that too.
  205:    # Subdirectories are respected.
  206: 
  207:    tmpdepfile1="$object.d"
  208:    tmpdepfile2=`echo "$object" | sed -e 's/.o$/.d/'` 
  209:    if test "$libtool" = yes; then
  210:       "$@" -Wc,-MD
  211:    else
  212:       "$@" -MD
  213:    fi
  214: 
  215:    stat=$?
  216:    if test $stat -eq 0; then :
  217:    else
  218:       rm -f "$tmpdepfile1" "$tmpdepfile2"
  219:       exit $stat
  220:    fi
  221: 
  222:    if test -f "$tmpdepfile1"; then
  223:       tmpdepfile="$tmpdepfile1"
  224:    else
  225:       tmpdepfile="$tmpdepfile2"
  226:    fi
  227:    if test -f "$tmpdepfile"; then
  228:       sed -e "s,^.*\.[a-z]*:,$object:," < "$tmpdepfile" > "$depfile"
  229:       # That's a space and a tab in the [].
  230:       sed -e 's,^.*\.[a-z]*:[   ]*,,' -e 's,$,:,' < "$tmpdepfile" >> "$depfile"
  231:    else
  232:       echo "#dummy" > "$depfile"
  233:    fi
  234:    rm -f "$tmpdepfile"
  235:    ;;
  236: 
  237: #nosideeffect)
  238:   # This comment above is used by automake to tell side-effect
  239:   # dependency tracking mechanisms from slower ones.
  240: 
  241: dashmstdout)
  242:   # Important note: in order to support this mode, a compiler *must*
  243:   # always write the proprocessed file to stdout, regardless of -o,
  244:   # because we must use -o when running libtool.
  245:   test -z "$dashmflag" && dashmflag=-M
  246:   ( IFS=" "
  247:     case " $* " in
  248:     *" --mode=compile "*) # this is libtool, let us make it quiet
  249:       for arg
  250:       do # cycle over the arguments
  251:         case "$arg" in
  252:         "--mode=compile")
  253:           # insert --quiet before "--mode=compile"
  254:           set fnord "$@" --quiet
  255:           shift # fnord
  256:           ;;
  257:         esac
  258:         set fnord "$@" "$arg"
  259:         shift # fnord
  260:         shift # "$arg"
  261:       done
  262:       ;;
  263:     esac
  264:     "$@" $dashmflag | sed 's:^[^:]*\:[  ]*:'"$object"'\: :' > "$tmpdepfile"
  265:   ) &
  266:   proc=$!
  267:   "$@"
  268:   stat=$?
  269:   wait "$proc"
  270:   if test "$stat" != 0; then exit $stat; fi
  271:   rm -f "$depfile"
  272:   cat < "$tmpdepfile" > "$depfile"
  273:   tr ' ' '
  274: ' < "$tmpdepfile" | \
  275: ## Some versions of the HPUX 10.20 sed can't process this invocation
  276: ## correctly.  Breaking it into two sed invocations is a workaround.
  277:     sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile"
  278:   rm -f "$tmpdepfile"
  279:   ;;
  280: 
  281: dashXmstdout)
  282:   # This case only exists to satisfy depend.m4.  It is never actually
  283:   # run, as this mode is specially recognized in the preamble.
  284:   exit 1
  285:   ;;
  286: 
  287: makedepend)
  288:   # X makedepend
  289:   (
  290:     shift
  291:     cleared=no
  292:     for arg in "$@"; do
  293:       case $cleared in no)
  294:         set ""; shift
  295:         cleared=yes
  296:       esac
  297:       case "$arg" in
  298:         -D*|-I*)
  299:           set fnord "$@" "$arg"; shift;;
  300:         -*)
  301:           ;;
  302:         *)
  303:           set fnord "$@" "$arg"; shift;;
  304:       esac
  305:     done
  306:     obj_suffix="`echo $object | sed 's/^.*\././'`"
  307:     touch "$tmpdepfile"
  308:     ${MAKEDEPEND-makedepend} 2>/dev/null -o"$obj_suffix" -f"$tmpdepfile" "$@"
  309:   ) &
  310:   proc=$!
  311:   "$@"
  312:   stat=$?
  313:   wait "$proc"
  314:   if test "$stat" != 0; then exit $stat; fi
  315:   rm -f "$depfile"
  316:   cat < "$tmpdepfile" > "$depfile"
  317:   tail +3 "$tmpdepfile" | tr ' ' '
  318: ' | \
  319: ## Some versions of the HPUX 10.20 sed can't process this invocation
  320: ## correctly.  Breaking it into two sed invocations is a workaround.
  321:     sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile"
  322:   rm -f "$tmpdepfile" "$tmpdepfile".bak
  323:   ;;
  324: 
  325: cpp)
  326:   # Important note: in order to support this mode, a compiler *must*
  327:   # always write the proprocessed file to stdout, regardless of -o,
  328:   # because we must use -o when running libtool.
  329:   ( IFS=" "
  330:     case " $* " in
  331:     *" --mode=compile "*)
  332:       for arg
  333:       do # cycle over the arguments
  334:         case $arg in
  335:         "--mode=compile")
  336:           # insert --quiet before "--mode=compile"
  337:           set fnord "$@" --quiet
  338:           shift # fnord
  339:           ;;
  340:         esac
  341:         set fnord "$@" "$arg"
  342:         shift # fnord
  343:         shift # "$arg"
  344:       done
  345:       ;;
  346:     esac
  347:     "$@" -E |
  348:     sed -n '/^# [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' |
  349:     sed '$ s: \\$::' > "$tmpdepfile"
  350:   ) &
  351:   proc=$!
  352:   "$@"
  353:   stat=$?
  354:   wait "$proc"
  355:   if test "$stat" != 0; then exit $stat; fi
  356:   rm -f "$depfile"
  357:   echo "$object : \\" > "$depfile"
  358:   cat < "$tmpdepfile" >> "$depfile"
  359:   sed < "$tmpdepfile" '/^$/d;s/^ //;s/ \\$//;s/$/ :/' >> "$depfile"
  360:   rm -f "$tmpdepfile"
  361:   ;;
  362: 
  363: msvisualcpp)
  364:   # Important note: in order to support this mode, a compiler *must*
  365:   # always write the proprocessed file to stdout, regardless of -o,
  366:   # because we must use -o when running libtool.
  367:   ( IFS=" "
  368:     case " $* " in
  369:     *" --mode=compile "*)
  370:       for arg
  371:       do # cycle over the arguments
  372:         case $arg in
  373:         "--mode=compile")
  374:           # insert --quiet before "--mode=compile"
  375:           set fnord "$@" --quiet
  376:           shift # fnord
  377:           ;;
  378:         esac
  379:         set fnord "$@" "$arg"
  380:         shift # fnord
  381:         shift # "$arg"
  382:       done
  383:       ;;
  384:     esac
  385:     "$@" -E |
  386:     sed -n '/^#line [0-9][0-9]* "\([^"]*\)"/ s::echo "`cygpath -u \\"\1\\"`":p' | sort | uniq > "$tmpdepfile"
  387:   ) &
  388:   proc=$!
  389:   "$@"
  390:   stat=$?
  391:   wait "$proc"
  392:   if test "$stat" != 0; then exit $stat; fi
  393:   rm -f "$depfile"
  394:   echo "$object : \\" > "$depfile"
  395:   . "$tmpdepfile" | sed 's% %\\ %g' | sed -n '/^\(.*\)$/ s::    \1 \\:p' >> "$depfile"
  396:   echo "        " >> "$depfile"
  397:   . "$tmpdepfile" | sed 's% %\\ %g' | sed -n '/^\(.*\)$/ s::\1\::p' >> "$depfile"
  398:   rm -f "$tmpdepfile"
  399:   ;;
  400: 
  401: none)
  402:   exec "$@"
  403:   ;;
  404: 
  405: *)
  406:   echo "Unknown depmode $depmode" 1>&2
  407:   exit 1
  408:   ;;
  409: esac
  410: 
  411: exit 0