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compile (7383B)


      1 #! /bin/sh
      2 # Wrapper for compilers which do not understand '-c -o'.
      3 
      4 scriptversion=2018-03-07.03; # UTC
      5 
      6 # Copyright (C) 1999-2018 Free Software Foundation, Inc.
      7 # Written by Tom Tromey <tromey@cygnus.com>.
      8 #
      9 # This program is free software; you can redistribute it and/or modify
     10 # it under the terms of the GNU General Public License as published by
     11 # the Free Software Foundation; either version 2, or (at your option)
     12 # any later version.
     13 #
     14 # This program is distributed in the hope that it will be useful,
     15 # but WITHOUT ANY WARRANTY; without even the implied warranty of
     16 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     17 # GNU General Public License for more details.
     18 #
     19 # You should have received a copy of the GNU General Public License
     20 # along with this program.  If not, see <https://www.gnu.org/licenses/>.
     21 
     22 # As a special exception to the GNU General Public License, if you
     23 # distribute this file as part of a program that contains a
     24 # configuration script generated by Autoconf, you may include it under
     25 # the same distribution terms that you use for the rest of that program.
     26 
     27 # This file is maintained in Automake, please report
     28 # bugs to <bug-automake@gnu.org> or send patches to
     29 # <automake-patches@gnu.org>.
     30 
     31 nl='
     32 '
     33 
     34 # We need space, tab and new line, in precisely that order.  Quoting is
     35 # there to prevent tools from complaining about whitespace usage.
     36 IFS=" ""	$nl"
     37 
     38 file_conv=
     39 
     40 # func_file_conv build_file lazy
     41 # Convert a $build file to $host form and store it in $file
     42 # Currently only supports Windows hosts. If the determined conversion
     43 # type is listed in (the comma separated) LAZY, no conversion will
     44 # take place.
     45 func_file_conv ()
     46 {
     47   file=$1
     48   case $file in
     49     / | /[!/]*) # absolute file, and not a UNC file
     50       if test -z "$file_conv"; then
     51 	# lazily determine how to convert abs files
     52 	case `uname -s` in
     53 	  MINGW*)
     54 	    file_conv=mingw
     55 	    ;;
     56 	  CYGWIN*)
     57 	    file_conv=cygwin
     58 	    ;;
     59 	  *)
     60 	    file_conv=wine
     61 	    ;;
     62 	esac
     63       fi
     64       case $file_conv/,$2, in
     65 	*,$file_conv,*)
     66 	  ;;
     67 	mingw/*)
     68 	  file=`cmd //C echo "$file " | sed -e 's/"\(.*\) " *$/\1/'`
     69 	  ;;
     70 	cygwin/*)
     71 	  file=`cygpath -m "$file" || echo "$file"`
     72 	  ;;
     73 	wine/*)
     74 	  file=`winepath -w "$file" || echo "$file"`
     75 	  ;;
     76       esac
     77       ;;
     78   esac
     79 }
     80 
     81 # func_cl_dashL linkdir
     82 # Make cl look for libraries in LINKDIR
     83 func_cl_dashL ()
     84 {
     85   func_file_conv "$1"
     86   if test -z "$lib_path"; then
     87     lib_path=$file
     88   else
     89     lib_path="$lib_path;$file"
     90   fi
     91   linker_opts="$linker_opts -LIBPATH:$file"
     92 }
     93 
     94 # func_cl_dashl library
     95 # Do a library search-path lookup for cl
     96 func_cl_dashl ()
     97 {
     98   lib=$1
     99   found=no
    100   save_IFS=$IFS
    101   IFS=';'
    102   for dir in $lib_path $LIB
    103   do
    104     IFS=$save_IFS
    105     if $shared && test -f "$dir/$lib.dll.lib"; then
    106       found=yes
    107       lib=$dir/$lib.dll.lib
    108       break
    109     fi
    110     if test -f "$dir/$lib.lib"; then
    111       found=yes
    112       lib=$dir/$lib.lib
    113       break
    114     fi
    115     if test -f "$dir/lib$lib.a"; then
    116       found=yes
    117       lib=$dir/lib$lib.a
    118       break
    119     fi
    120   done
    121   IFS=$save_IFS
    122 
    123   if test "$found" != yes; then
    124     lib=$lib.lib
    125   fi
    126 }
    127 
    128 # func_cl_wrapper cl arg...
    129 # Adjust compile command to suit cl
    130 func_cl_wrapper ()
    131 {
    132   # Assume a capable shell
    133   lib_path=
    134   shared=:
    135   linker_opts=
    136   for arg
    137   do
    138     if test -n "$eat"; then
    139       eat=
    140     else
    141       case $1 in
    142 	-o)
    143 	  # configure might choose to run compile as 'compile cc -o foo foo.c'.
    144 	  eat=1
    145 	  case $2 in
    146 	    *.o | *.[oO][bB][jJ])
    147 	      func_file_conv "$2"
    148 	      set x "$@" -Fo"$file"
    149 	      shift
    150 	      ;;
    151 	    *)
    152 	      func_file_conv "$2"
    153 	      set x "$@" -Fe"$file"
    154 	      shift
    155 	      ;;
    156 	  esac
    157 	  ;;
    158 	-I)
    159 	  eat=1
    160 	  func_file_conv "$2" mingw
    161 	  set x "$@" -I"$file"
    162 	  shift
    163 	  ;;
    164 	-I*)
    165 	  func_file_conv "${1#-I}" mingw
    166 	  set x "$@" -I"$file"
    167 	  shift
    168 	  ;;
    169 	-l)
    170 	  eat=1
    171 	  func_cl_dashl "$2"
    172 	  set x "$@" "$lib"
    173 	  shift
    174 	  ;;
    175 	-l*)
    176 	  func_cl_dashl "${1#-l}"
    177 	  set x "$@" "$lib"
    178 	  shift
    179 	  ;;
    180 	-L)
    181 	  eat=1
    182 	  func_cl_dashL "$2"
    183 	  ;;
    184 	-L*)
    185 	  func_cl_dashL "${1#-L}"
    186 	  ;;
    187 	-static)
    188 	  shared=false
    189 	  ;;
    190 	-Wl,*)
    191 	  arg=${1#-Wl,}
    192 	  save_ifs="$IFS"; IFS=','
    193 	  for flag in $arg; do
    194 	    IFS="$save_ifs"
    195 	    linker_opts="$linker_opts $flag"
    196 	  done
    197 	  IFS="$save_ifs"
    198 	  ;;
    199 	-Xlinker)
    200 	  eat=1
    201 	  linker_opts="$linker_opts $2"
    202 	  ;;
    203 	-*)
    204 	  set x "$@" "$1"
    205 	  shift
    206 	  ;;
    207 	*.cc | *.CC | *.cxx | *.CXX | *.[cC]++)
    208 	  func_file_conv "$1"
    209 	  set x "$@" -Tp"$file"
    210 	  shift
    211 	  ;;
    212 	*.c | *.cpp | *.CPP | *.lib | *.LIB | *.Lib | *.OBJ | *.obj | *.[oO])
    213 	  func_file_conv "$1" mingw
    214 	  set x "$@" "$file"
    215 	  shift
    216 	  ;;
    217 	*)
    218 	  set x "$@" "$1"
    219 	  shift
    220 	  ;;
    221       esac
    222     fi
    223     shift
    224   done
    225   if test -n "$linker_opts"; then
    226     linker_opts="-link$linker_opts"
    227   fi
    228   exec "$@" $linker_opts
    229   exit 1
    230 }
    231 
    232 eat=
    233 
    234 case $1 in
    235   '')
    236      echo "$0: No command.  Try '$0 --help' for more information." 1>&2
    237      exit 1;
    238      ;;
    239   -h | --h*)
    240     cat <<\EOF
    241 Usage: compile [--help] [--version] PROGRAM [ARGS]
    242 
    243 Wrapper for compilers which do not understand '-c -o'.
    244 Remove '-o dest.o' from ARGS, run PROGRAM with the remaining
    245 arguments, and rename the output as expected.
    246 
    247 If you are trying to build a whole package this is not the
    248 right script to run: please start by reading the file 'INSTALL'.
    249 
    250 Report bugs to <bug-automake@gnu.org>.
    251 EOF
    252     exit $?
    253     ;;
    254   -v | --v*)
    255     echo "compile $scriptversion"
    256     exit $?
    257     ;;
    258   cl | *[/\\]cl | cl.exe | *[/\\]cl.exe | \
    259   icl | *[/\\]icl | icl.exe | *[/\\]icl.exe )
    260     func_cl_wrapper "$@"      # Doesn't return...
    261     ;;
    262 esac
    263 
    264 ofile=
    265 cfile=
    266 
    267 for arg
    268 do
    269   if test -n "$eat"; then
    270     eat=
    271   else
    272     case $1 in
    273       -o)
    274 	# configure might choose to run compile as 'compile cc -o foo foo.c'.
    275 	# So we strip '-o arg' only if arg is an object.
    276 	eat=1
    277 	case $2 in
    278 	  *.o | *.obj)
    279 	    ofile=$2
    280 	    ;;
    281 	  *)
    282 	    set x "$@" -o "$2"
    283 	    shift
    284 	    ;;
    285 	esac
    286 	;;
    287       *.c)
    288 	cfile=$1
    289 	set x "$@" "$1"
    290 	shift
    291 	;;
    292       *)
    293 	set x "$@" "$1"
    294 	shift
    295 	;;
    296     esac
    297   fi
    298   shift
    299 done
    300 
    301 if test -z "$ofile" || test -z "$cfile"; then
    302   # If no '-o' option was seen then we might have been invoked from a
    303   # pattern rule where we don't need one.  That is ok -- this is a
    304   # normal compilation that the losing compiler can handle.  If no
    305   # '.c' file was seen then we are probably linking.  That is also
    306   # ok.
    307   exec "$@"
    308 fi
    309 
    310 # Name of file we expect compiler to create.
    311 cofile=`echo "$cfile" | sed 's|^.*[\\/]||; s|^[a-zA-Z]:||; s/\.c$/.o/'`
    312 
    313 # Create the lock directory.
    314 # Note: use '[/\\:.-]' here to ensure that we don't use the same name
    315 # that we are using for the .o file.  Also, base the name on the expected
    316 # object file name, since that is what matters with a parallel build.
    317 lockdir=`echo "$cofile" | sed -e 's|[/\\:.-]|_|g'`.d
    318 while true; do
    319   if mkdir "$lockdir" >/dev/null 2>&1; then
    320     break
    321   fi
    322   sleep 1
    323 done
    324 # FIXME: race condition here if user kills between mkdir and trap.
    325 trap "rmdir '$lockdir'; exit 1" 1 2 15
    326 
    327 # Run the compile.
    328 "$@"
    329 ret=$?
    330 
    331 if test -f "$cofile"; then
    332   test "$cofile" = "$ofile" || mv "$cofile" "$ofile"
    333 elif test -f "${cofile}bj"; then
    334   test "${cofile}bj" = "$ofile" || mv "${cofile}bj" "$ofile"
    335 fi
    336 
    337 rmdir "$lockdir"
    338 exit $ret
    339 
    340 # Local Variables:
    341 # mode: shell-script
    342 # sh-indentation: 2
    343 # eval: (add-hook 'before-save-hook 'time-stamp)
    344 # time-stamp-start: "scriptversion="
    345 # time-stamp-format: "%:y-%02m-%02d.%02H"
    346 # time-stamp-time-zone: "UTC0"
    347 # time-stamp-end: "; # UTC"
    348 # End: