config/depcomp

   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 # Originally written by Alexandre Oliva <oliva@dcc.unicamp.br>.
  22
  23 if test -z "$depmode" || test -z "$source" || test -z "$object"; then
  24   echo "depcomp: Variables source, object and depmode must be set" 1>&2
  25   exit 1
  26 fi
  27 # `libtool' can also be set to `yes' or `no'.
  28
  29 depfile=${depfile-`echo "$object" | sed 's,\([^/]*\)$,.deps/\1,;s/\.\([^.]*\)$/.P\1/'`}
  30 tmpdepfile=${tmpdepfile-`echo "$depfile" | sed 's/\.\([^.]*\)$/.T\1/'`}
  31
  32 rm -f "$tmpdepfile"
  33
  34 # Some modes work just like other modes, but use different flags.  We
  35 # parameterize here, but still list the modes in the big case below,
  36 # to make depend.m4 easier to write.  Note that we *cannot* use a case
  37 # here, because this file can only contain one case statement.
  38 if test "$depmode" = hp; then
  39   # HP compiler uses -M and no extra arg.
  40   gccflag=-M
  41   depmode=gcc
  42 fi
  43
  44 if test "$depmode" = dashXmstdout; then
  45    # This is just like dashmstdout with a different argument.
  46    dashmflag=-xM
  47    depmode=dashmstdout
  48 fi
  49
  50 case "$depmode" in
  51 gcc3)
  52 ## gcc 3 implements dependency tracking that does exactly what
  53 ## we want.  Yay!
  54    exec "$@" -MT "$object" -MF "$depfile" -MD -MP
  55    ;;
  56
  57 gcc)
  58 ## There are various ways to get dependency output from gcc.  Here's
  59 ## why we pick this rather obscure method:
  60 ## - Don't want to use -MD because we'd like the dependencies to end
  61 ##   up in a subdir.  Having to rename by hand is ugly.
  62 ##   (We might end up doing this anyway to support other compilers.)
  63 ## - The DEPENDENCIES_OUTPUT environment variable makes gcc act like
  64 ##   -MM, not -M (despite what the docs say).
  65 ## - Using -M directly means running the compiler twice (even worse
  66 ##   than renaming).
  67   if test -z "$gccflag"; then
  68     gccflag=-MD,
  69   fi
  70   if "$@" -Wp,"$gccflag$tmpdepfile"; then :
  71   else
  72     stat=$?
  73     rm -f "$tmpdepfile"
  74     exit $stat
  75   fi
  76   rm -f "$depfile"
  77   echo "$object : \\" > "$depfile"
  78   alpha=ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz
  79 ## The second -e expression handles DOS-style file names with drive letters.
  80   sed -e 's/^[^:]*: / /' \
  81       -e 's/^['$alpha']:\/[^:]*: / /' < "$tmpdepfile" >> "$depfile"
  82 ## This next piece of magic avoids the `deleted header file' problem.
  83 ## The problem is that when a header file which appears in a .P file
  84 ## is deleted, the dependency causes make to die (because there is
  85 ## typically no way to rebuild the header).  We avoid this by adding
  86 ## dummy dependencies for each header file.  Too bad gcc doesn't do
  87 ## this for us directly.
  88   tr ' ' '
  89 ' < "$tmpdepfile" |
  90 ## Some versions of gcc put a space before the `:'.  On the theory
  91 ## that the space means something, we add a space to the output as
  92 ## well.
  93 ## Some versions of the HPUX 10.20 sed can't process this invocation
  94 ## correctly.  Breaking it into two sed invocations is a workaround.
  95     sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile"
  96   rm -f "$tmpdepfile"
  97   ;;
  98
  99 hp)
 100   # This case exists only to let depend.m4 do its work.  It works by
 101   # looking at the text of this script.  This case will never be run,
 102   # since it is checked for above.
 103   exit 1
 104   ;;
 105
 106 sgi)
 107   if test "$libtool" = yes; then
 108     "$@" "-Wp,-MDupdate,$tmpdepfile"
 109   else
 110     "$@" -MDupdate "$tmpdepfile"
 111   fi
 112   stat=$?
 113   if test $stat -eq 0; then :
 114   else
 115     rm -f "$tmpdepfile"
 116     exit $stat
 117   fi
 118   rm -f "$depfile"
 119
 120   if test -f "$tmpdepfile"; then  # yes, the sourcefile depend on other files
 121     echo "$object : \\" > "$depfile"
 122
 123     # Clip off the initial element (the dependent). Don't try to be
 124     # clever and replace this with sed code, as IRIX sed won't handle
 125     # lines with more than a fixed number of characters (4096 in
 126     # IRIX 6.2 sed, 8192 in IRIX 6.5).
 127     tr ' ' '
 128 ' < "$tmpdepfile" | sed 's/^[^\.]*\.o://' | tr '
 129 ' ' ' >> $depfile
 130
 131     tr ' ' '
 132 ' < "$tmpdepfile" | \
 133 ## Some versions of the HPUX 10.20 sed can't process this invocation
 134 ## correctly.  Breaking it into two sed invocations is a workaround.
 135       sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile"
 136   else
 137     # The sourcefile does not contain any dependencies, so just
 138     # store a dummy comment line, to avoid errors with the Makefile
 139     # "include basename.Plo" scheme.
 140     echo "#dummy" > "$depfile"
 141   fi
 142   rm -f "$tmpdepfile"
 143   ;;
 144
 145 aix)
 146   # The C for AIX Compiler uses -M and outputs the dependencies
 147   # in a .u file.
 148   tmpdepfile=`echo "$object" | sed 's/\(.*\)\..*$/\1.u/'`
 149   if test "$libtool" = yes; then
 150     "$@" -Wc,-M
 151   else
 152     "$@" -M
 153   fi
 154
 155   stat=$?
 156   if test $stat -eq 0; then :
 157   else
 158     rm -f "$tmpdepfile"
 159     exit $stat
 160   fi
 161
 162   if test -f "$tmpdepfile"; then
 163     echo "$object : \\" > "$depfile"
 164
 165     # Clip off the initial element (the dependent). Don't try to be
 166     # clever and replace this with sed code, as IRIX sed won't handle
 167     # lines with more than a fixed number of characters (4096 in
 168     # IRIX 6.2 sed, 8192 in IRIX 6.5).
 169     tr ' ' '
 170 ' < "$tmpdepfile" | sed 's/^[^\.]*\.o://' | tr '
 171 ' ' ' >> $depfile
 172
 173     tr ' ' '
 174 ' < "$tmpdepfile" | \
 175 ## Some versions of the HPUX 10.20 sed can't process this invocation
 176 ## correctly.  Breaking it into two sed invocations is a workaround.
 177       sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile"
 178   else
 179     # The sourcefile does not contain any dependencies, so just
 180     # store a dummy comment line, to avoid errors with the Makefile
 181     # "include basename.Plo" scheme.
 182     echo "#dummy" > "$depfile"
 183   fi
 184   rm -f "$tmpdepfile"
 185   ;;
 186
 187 #nosideeffect)
 188   # This comment above is used by automake to tell side-effect
 189   # dependency tracking mechanisms from slower ones.
 190
 191 dashmstdout)
 192   # Important note: in order to support this mode, a compiler *must*
 193   # always write the proprocessed file to stdout, regardless of -o,
 194   # because we must use -o when running libtool.
 195   test -z "$dashmflag" && dashmflag=-M
 196   ( IFS=" "
 197     case " $* " in
 198     *" --mode=compile "*) # this is libtool, let us make it quiet
 199       for arg
 200       do # cycle over the arguments
 201         case "$arg" in
 202         "--mode=compile")
 203           # insert --quiet before "--mode=compile"
 204           set fnord "$@" --quiet
 205           shift # fnord
 206           ;;
 207         esac
 208         set fnord "$@" "$arg"
 209         shift # fnord
 210         shift # "$arg"
 211       done
 212       ;;
 213     esac
 214     "$@" $dashmflag | sed 's:^[^:]*\:[  ]*:'"$object"'\: :' > "$tmpdepfile"
 215   ) &
 216   proc=$!
 217   "$@"
 218   stat=$?
 219   wait "$proc"
 220   if test "$stat" != 0; then exit $stat; fi
 221   rm -f "$depfile"
 222   cat < "$tmpdepfile" > "$depfile"
 223   tr ' ' '
 224 ' < "$tmpdepfile" | \
 225 ## Some versions of the HPUX 10.20 sed can't process this invocation
 226 ## correctly.  Breaking it into two sed invocations is a workaround.
 227     sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile"
 228   rm -f "$tmpdepfile"
 229   ;;
 230
 231 dashXmstdout)
 232   # This case only exists to satisfy depend.m4.  It is never actually
 233   # run, as this mode is specially recognized in the preamble.
 234   exit 1
 235   ;;
 236
 237 makedepend)
 238   # X makedepend
 239   (
 240     shift
 241     cleared=no
 242     for arg in "$@"; do
 243       case $cleared in no)
 244         set ""; shift
 245         cleared=yes
 246       esac
 247       case "$arg" in
 248         -D*|-I*)
 249           set fnord "$@" "$arg"; shift;;
 250         -*)
 251           ;;
 252         *)
 253           set fnord "$@" "$arg"; shift;;
 254       esac
 255     done
 256     obj_suffix="`echo $object | sed 's/^.*\././'`"
 257     touch "$tmpdepfile"
 258     ${MAKEDEPEND-makedepend} 2>/dev/null -o"$obj_suffix" -f"$tmpdepfile" "$@"
 259   ) &
 260   proc=$!
 261   "$@"
 262   stat=$?
 263   wait "$proc"
 264   if test "$stat" != 0; then exit $stat; fi
 265   rm -f "$depfile"
 266   cat < "$tmpdepfile" > "$depfile"
 267   tail +3 "$tmpdepfile" | tr ' ' '
 268 ' | \
 269 ## Some versions of the HPUX 10.20 sed can't process this invocation
 270 ## correctly.  Breaking it into two sed invocations is a workaround.
 271     sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile"
 272   rm -f "$tmpdepfile" "$tmpdepfile".bak
 273   ;;
 274
 275 cpp)
 276   # Important note: in order to support this mode, a compiler *must*
 277   # always write the proprocessed file to stdout, regardless of -o,
 278   # because we must use -o when running libtool.
 279   ( IFS=" "
 280     case " $* " in
 281     *" --mode=compile "*)
 282       for arg
 283       do # cycle over the arguments
 284         case $arg in
 285         "--mode=compile")
 286           # insert --quiet before "--mode=compile"
 287           set fnord "$@" --quiet
 288           shift # fnord
 289           ;;
 290         esac
 291         set fnord "$@" "$arg"
 292         shift # fnord
 293         shift # "$arg"
 294       done
 295       ;;
 296     esac
 297     "$@" -E |
 298     sed -n '/^# [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' |
 299     sed '$ s: \\$::' > "$tmpdepfile"
 300   ) &
 301   proc=$!
 302   "$@"
 303   stat=$?
 304   wait "$proc"
 305   if test "$stat" != 0; then exit $stat; fi
 306   rm -f "$depfile"
 307   echo "$object : \\" > "$depfile"
 308   cat < "$tmpdepfile" >> "$depfile"
 309   sed < "$tmpdepfile" '/^$/d;s/^ //;s/ \\$//;s/$/ :/' >> "$depfile"
 310   rm -f "$tmpdepfile"
 311   ;;
 312
 313 msvisualcpp)
 314   # Important note: in order to support this mode, a compiler *must*
 315   # always write the proprocessed file to stdout, regardless of -o,
 316   # because we must use -o when running libtool.
 317   ( IFS=" "
 318     case " $* " in
 319     *" --mode=compile "*)
 320       for arg
 321       do # cycle over the arguments
 322         case $arg in
 323         "--mode=compile")
 324           # insert --quiet before "--mode=compile"
 325           set fnord "$@" --quiet
 326           shift # fnord
 327           ;;
 328         esac
 329         set fnord "$@" "$arg"
 330         shift # fnord
 331         shift # "$arg"
 332       done
 333       ;;
 334     esac
 335     "$@" -E |
 336     sed -n '/^#line [0-9][0-9]* "\([^"]*\)"/ s::echo "`cygpath -u \\"\1\\"`":p' | sort | uniq > "$tmpdepfile"
 337   ) &
 338   proc=$!
 339   "$@"
 340   stat=$?
 341   wait "$proc"
 342   if test "$stat" != 0; then exit $stat; fi
 343   rm -f "$depfile"
 344   echo "$object : \\" > "$depfile"
 345   . "$tmpdepfile" | sed 's% %\\ %g' | sed -n '/^\(.*\)$/ s::    \1 \\:p' >> "$depfile"
 346   echo "        " >> "$depfile"
 347   . "$tmpdepfile" | sed 's% %\\ %g' | sed -n '/^\(.*\)$/ s::\1\::p' >> "$depfile"
 348   rm -f "$tmpdepfile"
 349   ;;
 350
 351 none)
 352   exec "$@"
 353   ;;
 354
 355 *)
 356   echo "Unknown depmode $depmode" 1>&2
 357   exit 1
 358   ;;
 359 esac
 360
 361 exit 0